Cut release 0.8.1

## Summary

* HTML files are now static, streamed directly to the client without
modification
* For any dynamic values, load via JSON APIs
* For files page, we stream the JSON content as we scan the directory to
avoid holding onto too much data

## Additional details

* We were previously building up a very large string all generated on
the X4 directly, we should be leveraging the browser
* Fixes https://github.com/daveallie/crosspoint-reader/issues/94

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: [daveallie]
+ko_fi: daveallie

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,54 @@
+name: Bug Report
+description: Report an issue or unexpected behavior
+title: "Short, descriptive title of the issue"
+labels: ["bug", "triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to report this bug! Please fill out the details below.
+
+  - type: input
+    id: version
+    attributes:
+      label: Affected Version
+      description: What version of the project/library are you using? (e.g., v1.2.3, master branch commit SHA)
+      placeholder: Ex. v1.2.3
+    validations:
+      required: true
+
+  - type: textarea
+    id: bug-description
+    attributes:
+      label: Describe the Bug
+      description: A clear and concise description of what the bug is.
+      placeholder:
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: Clearly list the steps necessary to reproduce the unexpected behavior.
+      placeholder: |
+        1. Go to '...'
+        2. Select '...'
+        3. Crash
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant Log Output/Screenshots
+      description: If applicable, error messages, or log output to help explain your problem. You can drag and drop images here.
+      render: shell

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,9 @@
+## Summary
+
+* **What is the goal of this PR?** (e.g., Fixes a bug in the user authentication module, Implements the new feature for 
+  file uploading.)
+* **What changes are included?**
+
+## Additional Context
+
+* Add any other information that might be helpful for the reviewer (e.g., performance implications, potential risks, specific areas to focus on).

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: CI
+'on':
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          submodules: recursive
+      - uses: actions/cache@v5
+        with:
+          path: |
+            ~/.cache/pip
+            ~/.platformio/.cache
+          key: ${{ runner.os }}-pio
+      - uses: actions/setup-python@v6
+        with:
+          python-version: '3.14'
+
+      - name: Install PlatformIO Core
+        run: pip install --upgrade platformio
+
+      - name: Install clang-format-21
+        run: |
+          wget https://apt.llvm.org/llvm.sh
+          chmod +x llvm.sh
+          sudo ./llvm.sh 21
+          sudo apt-get update
+          sudo apt-get install -y clang-format-21
+
+      - name: Run cppcheck
+        run: pio check --fail-on-defect low --fail-on-defect medium --fail-on-defect high
+
+      - name: Run clang-format
+        run: PATH="/usr/lib/llvm-21/bin:$PATH" ./bin/clang-format-fix && git diff --exit-code || (echo "Please run 'bin/clang-format-fix' to fix formatting issues" && exit 1)
+
+      - name: Build CrossPoint
+        run: pio run

.github/workflows/release.yml

@@ -0,0 +1,40 @@
+name: Compile Release
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          submodules: recursive
+      - uses: actions/cache@v5
+        with:
+          path: |
+            ~/.cache/pip
+            ~/.platformio/.cache
+          key: ${{ runner.os }}-pio
+      - uses: actions/setup-python@v6
+        with:
+          python-version: '3.14'
+
+      - name: Install PlatformIO Core
+        run: pip install --upgrade platformio
+
+      - name: Build CrossPoint
+        run: pio run -e gh_release
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: CrossPoint-${{ github.ref_name }}
+          path: |
+            .pio/build/gh_release/bootloader.bin
+            .pio/build/gh_release/firmware.bin
+            .pio/build/gh_release/firmware.elf
+            .pio/build/gh_release/firmware.map
+            .pio/build/gh_release/partitions.bin

.gitignore

@@ -1,3 +1,6 @@
 .pio
 .idea
 .DS_Store
+.vscode
+lib/EpdFont/fontsrc
+*.generated.h

README.md

@@ -6,7 +6,7 @@ Built using **PlatformIO** and targeting the **ESP32-C3** microcontroller.
 CrossPoint Reader is a purpose-built firmware designed to be a drop-in, fully open-source replacement for the official 
 Xteink firmware. It aims to match or improve upon the standard EPUB reading experience.
 
-![](./docs/cover.jpg)
+![](./docs/images/cover.jpg)
 
 ## Motivation
 
@@ -23,18 +23,23 @@ CrossPoint Reader aims to:
 
 This project is **not affiliated with Xteink**; it's built as a community project.
 
-## Features
+## Features & Usage
 
 - [x] EPUB parsing and rendering
+- [ ] Image support within EPUB
 - [x] Saved reading position
-- [ ] File explorer with file picker
+- [x] File explorer with file picker
   - [x] Basic EPUB picker from root directory
   - [x] Support nested folders
   - [ ] EPUB picker with cover art
-- [ ] Image support within EPUB
+- [x] Custom sleep screen
+  - [ ] Cover sleep screen
+- [x] Wifi book upload
+- [ ] Wifi OTA updates
 - [ ] Configurable font, layout, and display options
-- [ ] WiFi connectivity
-- [ ] BLE connectivity
+- [ ] Screen rotation
+
+See [the user guide](./USER_GUIDE.md) for instructions on operating CrossPoint.
 
 ## Installing
 
@@ -59,10 +64,6 @@ back to the other partition using the "Swap boot partition" button here https://
 
 See [Development](#development) below.
 
-## Usage
-
-See [the user guide](./USER_GUIDE.md) for instructions on operating CrossPoint.
-
 ## Development
 
 ### Prerequisites
@@ -131,6 +132,9 @@ EPUB file will reset the reading progress.
 
 Contributions are very welcome!
 
+If you're looking for a way to help out, take a look at the [ideas discussion board](https://github.com/daveallie/crosspoint-reader/discussions/categories/ideas).
+If there's something there you'd like to work on, leave a comment so that we can avoid duplicated effort.
+
 ### To submit a contribution:
 
 1. Fork the repo

USER_GUIDE.md

@@ -19,24 +19,72 @@ The device utilises the standard buttons on the Xtink X4 in the same layout:
 
 ### Power On / Off
 
-To turn the device on or off, **press and hold the Power button for 1 full second**.
+To turn the device on or off, **press and hold the Power button for half a second**. In **Settings** you can configure
+the power button to trigger on a short press instead of a long one.
 
 ### First Launch
 
-Upon turning the device on for the first time, you will be placed on the **Book Selection Screen** (File Browser).
+Upon turning the device on for the first time, you will be placed on the **Home** screen.
 
 > **Note:** On subsequent restarts, the firmware will automatically reopen the last book you were reading.
 
 ---
 
-## 3. Book Selection
+## 3. Screens
 
-The Home Screen acts as a folder and file browser.
+### 3.1 Home Screen
+
+The Home Screen is the main entry point to the firmware. From here you can navigate to the **Book Selection** screen,
+**Settings** screen, or **File Upload** screen.
+
+### 3.2 Book Selection (Read)
+
+The Book Selection acts as a folder and file browser.
 
 * **Navigate List:** Use **Left** (or **Volume Up**), or **Right** (or **Volume Down**) to move the selection cursor up 
   and down through folders and books.
 * **Open Selection:** Press **Confirm** to open a folder or read a selected book.
 
+### 3.3 Reading Screen
+
+See [4. Reading Mode](#4-reading-mode) below for more information.
+
+### 3.4 File Upload Screen
+
+The File Upload screen allows you to upload new e-books to the device. When you enter the screen you'll be prompted with
+a WiFi selection dialog and then your X4 will start hosting a web server.
+
+See the [webserver docs](./docs/webserver.md) for more information on how to connect to the web server and upload files.
+
+### 3.5 Settings
+
+The Settings screen allows you to configure the device's behavior. There are a few settings you can adjust:
+- **Sleep Screen**: Which sleep screen to display when the device sleeps, options are:
+  - "Dark" (default) - The default dark sleep screen
+  - "Light" - The same default sleep screen, on a white background
+  - "Custom" - Custom images from the SD card, see [3.6 Sleep Screen](#36-sleep-screen) below for more information
+  - "Cover" - The book cover image (Note: this is experimental and may not work as expected)
+- **Extra Paragraph Spacing**: If enabled, vertical space will be added between paragraphs in the book, if disabled,
+  paragraphs will not have vertical space between them, but will have first word indentation.
+- **Short Power Button Click**: Whether to trigger the power button on a short press or a long press.
+
+### 3.6 Sleep Screen
+
+You can customize the sleep screen by placing custom images in specific locations on the SD card:
+
+- **Single Image:** Place a file named `sleep.bmp` in the root directory.
+- **Multiple Images:** Create a `sleep` directory in the root of the SD card and place any number of `.bmp` images
+  inside. If images are found in this directory, they will take priority over the `sleep.png` file, and one will be
+  randomly selected each time the device sleeps.
+
+> [!NOTE]
+> You'll need to set the **Sleep Screen** setting to **Custom** in order to use these images.
+
+> [!TIP]
+> For best results:
+> - Use uncompressed BMP files with 24-bit color depth
+> - Use a resolution of 480x800 pixels to match the device's screen resolution.
+
 ---
 
 ## 4. Reading Mode
@@ -76,3 +124,4 @@ are planned for future updates:
 
 * **Images:** Embedded images in e-books will not render.
 * **Text Formatting:** There are currently no settings to adjust font type, size, line spacing, or margins.
+* **Rotation**: Different rotation options are not supported.

docs/comparison.md

@@ -0,0 +1,19 @@
+# CrossPoint vs XTOS
+
+Below is like for like comparison of CrossPoint (version 0.5.1) and XTOS (version 3.1.1). CrossPoint is on the left, 
+XTOS is on the right. CrossPoint does not currently support all features of XTOS, so this comparison is just of key 
+features which both firmwares support.
+
+## EPUB reading
+
+![](./images/comparison/reading-1.jpg)
+
+![](./images/comparison/reading-2.jpg)
+
+![](./images/comparison/reading-3.jpg)
+
+## Menus
+
+![](./images/comparison/menu.jpg)
+
+![](./images/comparison/chapter-menu.jpg)

docs/webserver.md

@@ -0,0 +1,272 @@
+# Web Server Guide
+
+This guide explains how to connect your CrossPoint Reader to WiFi and use the built-in web server to upload EPUB files from your computer or phone.
+
+## Overview
+
+CrossPoint Reader includes a built-in web server that allows you to:
+
+- Upload EPUB files wirelessly from any device on the same WiFi network
+- Browse and manage files on your device's SD card
+- Create folders to organize your ebooks
+- Delete files and folders
+
+## Prerequisites
+
+- Your CrossPoint Reader device
+- A WiFi network
+- A computer, phone, or tablet connected to the **same WiFi network**
+
+---
+
+## Step 1: Accessing the WiFi Screen
+
+1. From the main menu or file browser, navigate to the **Settings** screen
+2. Select the **WiFi** option
+3. The device will automatically start scanning for available networks
+
+---
+
+## Step 2: Connecting to WiFi
+
+### Viewing Available Networks
+
+Once the scan completes, you'll see a list of available WiFi networks with the following indicators:
+
+- **Signal strength bars** (`||||`, `|||`, `||`, `|`) - Shows connection quality
+- **`*` symbol** - Indicates the network is password-protected (encrypted)
+- **`+` symbol** - Indicates you have previously saved credentials for this network
+
+<img src="./images/wifi/wifi_networks.jpeg" height="500">
+
+### Selecting a Network
+
+1. Use the **Left/Right** (or **Volume Up/Down**) buttons to navigate through the network list
+2. Press **Confirm** to select the highlighted network
+
+### Entering Password (for encrypted networks)
+
+If the network requires a password:
+
+1. An on-screen keyboard will appear
+2. Use the navigation buttons to select characters
+3. Press **Confirm** to enter each character
+4. When complete, select the **Done** option on the keyboard
+
+<img src="./images/wifi/wifi_password.jpeg" height="500">
+
+**Note:** If you've previously connected to this network, the saved password will be used automatically.
+
+### Connection Process
+
+The device will display "Connecting..." while establishing the connection. This typically takes 5-10 seconds.
+
+### Saving Credentials
+
+If this is a new network, you'll be prompted to save the password:
+
+- Select **Yes** to save credentials for automatic connection next time (NOTE: These are stored in plaintext on the device's SD card. Do not use this for sensitive networks.)
+- Select **No** to connect without saving
+
+---
+
+## Step 3: Connection Success
+
+Once connected, the screen will display:
+
+- **Network name** (SSID)
+- **IP Address** (e.g., `192.168.1.102`)
+- **Web server URL** (e.g., `http://192.168.1.102/`)
+
+<img src="./images/wifi/wifi_connected.jpeg" height="500">
+
+**Important:** Make note of the IP address - you'll need this to access the web interface from your computer or phone.
+
+---
+
+## Step 4: Accessing the Web Interface
+
+### From a Computer
+
+1. Ensure your computer is connected to the **same WiFi network** as your CrossPoint Reader
+2. Open any web browser (Chrome is recommended)
+3. Type the IP address shown on your device into the browser's address bar
+   - Example: `http://192.168.1.102/`
+4. Press Enter
+
+### From a Phone or Tablet
+
+1. Ensure your phone/tablet is connected to the **same WiFi network** as your CrossPoint Reader
+2. Open your mobile browser (Safari, Chrome, etc.)
+3. Type the IP address into the address bar
+   - Example: `http://192.168.1.102/`
+4. Tap Go
+
+---
+
+## Step 5: Using the Web Interface
+
+### Home Page
+
+The home page displays:
+
+- Device status and version information
+- WiFi connection status
+- Current IP address
+- Available memory
+
+Navigation links:
+
+- **Home** - Returns to the status page
+- **File Manager** - Access file management features
+
+<img src="./images/wifi/webserver_homepage.png" width="600">
+
+### File Manager
+
+Click **File Manager** to access file management features.
+
+#### Browsing Files
+
+- The file manager displays all files and folders on your SD card
+- **Folders** are highlighted in yellow with a 📁 icon
+- **EPUB files** are highlighted in green with a 📗 icon
+- Click on a folder name to navigate into it
+- Use the breadcrumb navigation at the top to go back to parent folders
+
+<img src="./images/wifi/webserver_files.png" width="600">
+
+#### Uploading EPUB Files
+
+1. Click the **+ Add** button in the top-right corner
+2. Select **Upload eBook** from the dropdown menu
+3. Click **Choose File** and select an `.epub` file from your device
+4. Click **Upload**
+5. A progress bar will show the upload status
+6. The page will automatically refresh when the upload is complete
+
+**Note:** Only `.epub` files are accepted. Other file types will be rejected.
+
+<img src="./images/wifi/webserver_upload.png" width="600">
+
+#### Creating Folders
+
+1. Click the **+ Add** button in the top-right corner
+2. Select **New Folder** from the dropdown menu
+3. Enter a folder name (letters, numbers, underscores, and hyphens only)
+4. Click **Create Folder**
+
+This is useful for organizing your ebooks by genre, author, or series.
+
+#### Deleting Files and Folders
+
+1. Click the **🗑️** (trash) icon next to any file or folder
+2. Confirm the deletion in the popup dialog
+3. Click **Delete** to permanently remove the item
+
+**Warning:** Deletion is permanent and cannot be undone!
+
+**Note:** Folders must be empty before they can be deleted.
+
+---
+
+## Troubleshooting
+
+### Cannot See the Device on the Network
+
+**Problem:** Browser shows "Cannot connect" or "Site can't be reached"
+
+**Solutions:**
+
+1. Verify both devices are on the **same WiFi network**
+   - Check your computer/phone WiFi settings
+   - Confirm the CrossPoint Reader shows "Connected" status
+2. Double-check the IP address
+   - Make sure you typed it correctly
+   - Include `http://` at the beginning
+3. Try disabling VPN if you're using one
+4. Some networks have "client isolation" enabled - check with your network administrator
+
+### Connection Drops or Times Out
+
+**Problem:** WiFi connection is unstable
+
+**Solutions:**
+
+1. Move closer to the WiFi router
+2. Check signal strength on the device (should be at least `||` or better)
+3. Avoid interference from other devices
+4. Try a different WiFi network if available
+
+### Upload Fails
+
+**Problem:** File upload doesn't complete or shows an error
+
+**Solutions:**
+
+1. Ensure the file is a valid `.epub` file
+2. Check that the SD card has enough free space
+3. Try uploading a smaller file first to test
+4. Refresh the browser page and try again
+
+### Saved Password Not Working
+
+**Problem:** Device fails to connect with saved credentials
+
+**Solutions:**
+
+1. When connection fails, you'll be prompted to "Forget Network"
+2. Select **Yes** to remove the saved password
+3. Reconnect and enter the password again
+4. Choose to save the new password
+
+---
+
+## Security Notes
+
+- The web server runs on port 80 (standard HTTP)
+- **No authentication is required** - anyone on the same network can access the interface
+- The web server is only accessible while the WiFi screen shows "Connected"
+- The web server automatically stops when you exit the WiFi screen
+- For security, only use on trusted private networks
+
+---
+
+## Technical Details
+
+- **Supported WiFi:** 2.4GHz networks (802.11 b/g/n)
+- **Web Server Port:** 80 (HTTP)
+- **Maximum Upload Size:** Limited by available SD card space
+- **Supported File Format:** `.epub` only
+- **Browser Compatibility:** All modern browsers (Chrome, Firefox, Safari, Edge)
+
+---
+
+## Tips and Best Practices
+
+1. **Organize with folders** - Create folders before uploading to keep your library organized
+2. **Check signal strength** - Stronger signals (`|||` or `||||`) provide faster, more reliable uploads
+3. **Upload multiple files** - You can upload files one at a time; the page refreshes after each upload
+4. **Use descriptive names** - Name your folders clearly (e.g., "SciFi", "Mystery", "Non-Fiction")
+5. **Keep credentials saved** - Save your WiFi password for quick reconnection in the future
+6. **Exit when done** - Press **Back** to exit the WiFi screen and save battery
+
+---
+
+## Exiting WiFi Mode
+
+When you're finished uploading files:
+
+1. Press the **Back** button on your CrossPoint Reader
+2. The web server will automatically stop
+3. WiFi will disconnect to conserve battery
+4. You'll return to the previous screen
+
+Your uploaded files will be immediately available in the file browser!
+
+---
+
+## Related Documentation
+
+- [User Guide](../USER_GUIDE.md) - General device operation
+- [README](../README.md) - Project overview and features

lib/EpdFont/builtinFonts/babyblue.h

@@ -1,505 +0,0 @@
-/**
- * generated by fontconvert.py
- * name: babyblue
- * size: 8
- * mode: 1-bit
- */
-#pragma once
-#include "EpdFontData.h"
-
-static const uint8_t babyblueBitmaps[3140] = {
-    0xFF, 0xFF, 0x30, 0xFF, 0xFF, 0xF0, 0x36, 0x1B, 0x0D, 0x9F, 0xFF, 0xF9, 0xB3, 0xFF, 0xFF, 0x36, 0x1B, 0x0D, 0x80,
-    0x18, 0x18, 0x7E, 0xFF, 0xDB, 0xD8, 0xFE, 0x7F, 0x9B, 0xDB, 0xFF, 0x7E, 0x18, 0x00, 0x71, 0x9F, 0x73, 0x6C, 0x6F,
-    0x8F, 0xE0, 0xFF, 0x83, 0xF8, 0xFB, 0x1B, 0x63, 0x7C, 0xC7, 0x00, 0x38, 0x3E, 0x1B, 0x0D, 0x87, 0xC3, 0xEF, 0xBF,
-    0x8E, 0xCF, 0x7F, 0x1E, 0xC0, 0xFF, 0x37, 0xEC, 0xCC, 0xCC, 0xCC, 0xCC, 0x67, 0x20, 0xCE, 0x73, 0x33, 0x33, 0x33,
-    0x33, 0x6C, 0x80, 0x32, 0xFF, 0xDE, 0xFE, 0x30, 0x18, 0x18, 0x18, 0xFF, 0xFF, 0x18, 0x18, 0x18, 0xBF, 0x00, 0xFF,
-    0xC0, 0x30, 0x0C, 0x31, 0xC6, 0x18, 0xE3, 0x1C, 0x63, 0x8C, 0x00, 0x3C, 0x7E, 0xE7, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3,
-    0xC7, 0x7E, 0x3C, 0x19, 0xDF, 0xFD, 0x8C, 0x63, 0x18, 0xC6, 0x3C, 0x7E, 0xE7, 0x83, 0x07, 0x0E, 0x1C, 0x38, 0x70,
-    0xFE, 0xFF, 0x7E, 0xFF, 0xC3, 0x07, 0x3E, 0x3E, 0x07, 0x03, 0x83, 0xFF, 0x7E, 0x0E, 0x1E, 0x3E, 0x76, 0xE6, 0xFF,
-    0xFF, 0x06, 0x06, 0x06, 0x06, 0x7F, 0xFF, 0x06, 0x0F, 0xDF, 0xC1, 0x83, 0x87, 0xFD, 0xF0, 0x3E, 0x7F, 0xE3, 0xC0,
-    0xFC, 0xFE, 0xE7, 0xC3, 0xC7, 0x7E, 0x3C, 0xFF, 0xFF, 0xC0, 0xE0, 0xE0, 0x60, 0x70, 0x30, 0x18, 0x1C, 0x0C, 0x06,
-    0x00, 0x3C, 0x7E, 0x66, 0x66, 0x7E, 0x7E, 0xE7, 0xC3, 0xC7, 0x7E, 0x3C, 0x3C, 0x7E, 0xE7, 0xC3, 0xC3, 0xC7, 0x7F,
-    0x3F, 0x07, 0x3E, 0x7C, 0xB0, 0x03, 0xB0, 0x03, 0xF8, 0x06, 0x3D, 0xF7, 0x8F, 0x0F, 0x87, 0x03, 0xFF, 0xFF, 0x00,
-    0xFF, 0xFF, 0x81, 0xE1, 0xF0, 0xF1, 0xEF, 0xBC, 0x40, 0x38, 0xFB, 0xBE, 0x30, 0xE3, 0x8E, 0x18, 0x30, 0x00, 0xC0,
-    0x0F, 0xE0, 0x7F, 0xC3, 0x83, 0x9D, 0xE7, 0xEF, 0xCF, 0x73, 0x3D, 0x8C, 0xF6, 0x33, 0xD8, 0xDB, 0x3F, 0xC6, 0x7E,
-    0x0C, 0x03, 0x18, 0x18, 0x7F, 0xE0, 0xFF, 0x00, 0x38, 0xFB, 0xBE, 0x3C, 0x7F, 0xFF, 0xE3, 0xC7, 0x8C, 0xFC, 0xFE,
-    0xC7, 0xC7, 0xFE, 0xFE, 0xC7, 0xC7, 0xFE, 0xFC, 0x3F, 0x3F, 0xF8, 0x78, 0x0C, 0x06, 0x03, 0x01, 0x83, 0x7F, 0x9F,
-    0x80, 0xFC, 0xFE, 0xC7, 0xC3, 0xC3, 0xC3, 0xC3, 0xC7, 0xFE, 0xFC, 0xFF, 0xFF, 0x06, 0x0F, 0xDF, 0xB0, 0x60, 0xFD,
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-    0x7E, 0x3F, 0x07, 0x83, 0x7F, 0x9F, 0x83, 0x00, 0xC1, 0xC0, 0xE0, 0x18, 0x30, 0x61, 0xF7, 0xFC, 0xF1, 0xE3, 0xC6,
-    0xFC, 0xF8, 0x30, 0x6F, 0x9E, 0x00, 0x18, 0x3C, 0x3C, 0xC3, 0xC3, 0xC3, 0xC3, 0xFF, 0xFF, 0xC3, 0xC3, 0xC3, 0xC3,
-    0x31, 0xE7, 0xB0, 0xC3, 0xEF, 0xFB, 0xCF, 0x3C, 0xF3, 0xCC, 0x61, 0xBF, 0xFF, 0xFD, 0x86, 0x7F, 0x9F, 0xE6, 0x19,
-    0x86, 0x61, 0x98, 0x60, 0x61, 0xF3, 0xE3, 0xE7, 0xEE, 0xD9, 0xB3, 0x66, 0xCD, 0x98, 0x7F, 0xEC, 0xC6, 0x31, 0x8C,
-    0x63, 0x18, 0xC6, 0x00, 0x7F, 0xEC, 0x86, 0x31, 0x8C, 0x63, 0x18, 0xFF, 0x66, 0x66, 0x66, 0x66, 0x66, 0xFF, 0x46,
-    0x66, 0x66, 0x66, 0x9F, 0xDC, 0xC6, 0x31, 0x8C, 0x63, 0x18, 0xC6, 0x00, 0x9F, 0xDC, 0x86, 0x31, 0x8C, 0x63, 0x18,
-    0x66, 0x66, 0x66, 0x66, 0x66, 0x6C, 0xF6, 0x66, 0x46, 0x66, 0x66, 0x66, 0x6C, 0xF6, 0xEF, 0xFF, 0xFF, 0xBF, 0xFF,
-    0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xE3, 0xF3, 0xFF, 0xDE, 0xDE, 0xE7, 0xBD, 0xEF, 0x7B, 0xDE, 0xC6, 0x33, 0x10,
-    0x0C, 0x3C, 0x78, 0x60, 0xC1, 0x83, 0x06, 0x0D, 0x1B, 0x37, 0xE7, 0x80, 0x6F, 0xB4, 0x66, 0x66, 0x66, 0x66, 0x6C,
-    0x80, 0xC3, 0xC7, 0xCE, 0xDC, 0xF8, 0xF8, 0xDC, 0xCC, 0xC6, 0xC3, 0x38, 0x1C, 0x38, 0x30, 0xC3, 0x0C, 0xF7, 0xFB,
-    0xCE, 0x3C, 0xDB, 0x37, 0x0E, 0x71, 0x80, 0x8F, 0x7F, 0xBC, 0xE3, 0xCD, 0xB3, 0x30, 0xE1, 0x86, 0x0C, 0x18, 0x30,
-    0x60, 0xC1, 0x83, 0x07, 0xEF, 0xE0, 0x7A, 0x6D, 0xB6, 0xDB, 0x6C, 0xC1, 0x83, 0x06, 0x0C, 0x18, 0x30, 0x60, 0xFD,
-    0xFD, 0xC1, 0xC7, 0x0C, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0xEF, 0xEC, 0x0D, 0x9B, 0x36, 0x6C, 0x18, 0x30, 0x60,
-    0xC1, 0xFB, 0xF8, 0x3F, 0xFF, 0xCC, 0xCC, 0xCC, 0xC0, 0xC1, 0x83, 0x06, 0x0C, 0xD9, 0xB0, 0x60, 0xFD, 0xFC, 0xCC,
-    0xCC, 0xFF, 0xCC, 0xCC, 0x60, 0x60, 0x78, 0x78, 0xF0, 0xE0, 0x60, 0x60, 0x7E, 0x7F, 0x66, 0x67, 0xFE, 0x66, 0x66,
-    0x0C, 0x1C, 0x18, 0xC3, 0xE3, 0xF3, 0xF3, 0xFB, 0xDF, 0xCF, 0xCF, 0xC7, 0xC3, 0x18, 0x63, 0x8C, 0x7B, 0xFC, 0xF3,
-    0xCF, 0x3C, 0xF3, 0xC3, 0xE3, 0xF3, 0xF3, 0xFB, 0xDF, 0xCF, 0xCF, 0xC7, 0xC3, 0x38, 0x1C, 0x38, 0x30, 0x7B, 0xFC,
-    0xF3, 0xCF, 0x3C, 0xF3, 0x70, 0xE7, 0x18, 0x3C, 0x3C, 0x18, 0xC3, 0xE3, 0xF3, 0xF3, 0xFB, 0xDF, 0xCF, 0xCF, 0xC7,
-    0xC3, 0x79, 0xE3, 0x1E, 0xFF, 0x3C, 0xF3, 0xCF, 0x3C, 0xC0, 0x81, 0x83, 0x05, 0xE7, 0xEC, 0xD9, 0xB3, 0x66, 0xCD,
-    0x98, 0xC3, 0xE3, 0xF3, 0xF3, 0xFB, 0xDF, 0xCF, 0xCF, 0xC7, 0xC3, 0x03, 0x03, 0x03, 0x7B, 0xFC, 0xF3, 0xCF, 0x3C,
-    0xF3, 0x0C, 0x31, 0x84, 0x3E, 0x1F, 0x0F, 0x8F, 0xEE, 0x3E, 0x0F, 0x07, 0x83, 0xC1, 0xE1, 0xDF, 0xC7, 0xC0, 0x3C,
-    0x3C, 0x3C, 0x7E, 0xE7, 0xC3, 0xC3, 0xC7, 0x7E, 0x3C, 0x36, 0x1F, 0x07, 0x07, 0xC7, 0xF7, 0x1F, 0x07, 0x83, 0xC1,
-    0xE0, 0xF0, 0xEF, 0xE3, 0xE0, 0x36, 0x3E, 0x1C, 0x3C, 0x7E, 0xE7, 0xC3, 0xC3, 0xC7, 0x7E, 0x3C, 0x1B, 0x1F, 0x8D,
-    0x87, 0xC7, 0xF7, 0x1F, 0x07, 0x83, 0xC1, 0xE0, 0xF0, 0xEF, 0xE3, 0xE0, 0x1E, 0x3E, 0x3C, 0x3C, 0x7E, 0xE7, 0xC3,
-    0xC3, 0xC7, 0x7E, 0x3C, 0x3F, 0xFB, 0xFF, 0xF9, 0xC1, 0x86, 0x0C, 0x3F, 0x61, 0xFB, 0x0C, 0x18, 0x60, 0xC7, 0x03,
-    0xFF, 0x0F, 0xFC, 0x3D, 0xE3, 0xFF, 0xB9, 0xCF, 0x87, 0xFC, 0x3F, 0xE3, 0x85, 0xFF, 0xE7, 0xBE, 0x18, 0x38, 0x30,
-    0xFE, 0xFF, 0xC3, 0xC7, 0xFE, 0xFE, 0xC7, 0xC3, 0xC3, 0xC3, 0x33, 0x98, 0xEF, 0xEF, 0x18, 0xC6, 0x30, 0xFE, 0xFF,
-    0xC3, 0xC7, 0xFE, 0xFE, 0xC7, 0xC3, 0xC3, 0xC3, 0x38, 0x1C, 0x38, 0x30, 0x77, 0xF7, 0x8C, 0x63, 0x18, 0xE3, 0xB9,
-    0x80, 0x3C, 0x3C, 0x18, 0xFE, 0xFF, 0xC3, 0xC7, 0xFE, 0xFE, 0xC7, 0xC3, 0xC3, 0xC3, 0xF7, 0x98, 0xEF, 0xEF, 0x18,
-    0xC6, 0x30, 0x18, 0x70, 0xC3, 0xEF, 0xF8, 0xFC, 0x3E, 0x1E, 0x0E, 0x1F, 0xF7, 0xC0, 0x18, 0x70, 0xC3, 0xEF, 0xF8,
-    0xFF, 0x3F, 0x87, 0xFD, 0xF0, 0x18, 0x78, 0xF3, 0xEF, 0xF8, 0xFC, 0x3E, 0x1E, 0x0E, 0x1F, 0xF7, 0xC0, 0x18, 0x78,
-    0xF3, 0xEF, 0xF8, 0xFF, 0x3F, 0x87, 0xFD, 0xF0, 0x7D, 0xFF, 0x1F, 0x87, 0xC3, 0xC1, 0xC3, 0xFE, 0xF8, 0xC0, 0xC7,
-    0x0C, 0x00, 0x7D, 0xFF, 0x1F, 0xE7, 0xF0, 0xFF, 0xBE, 0x18, 0x18, 0xE1, 0x80, 0x3C, 0x78, 0x63, 0xEF, 0xF8, 0xFC,
-    0x3E, 0x1E, 0x0E, 0x1F, 0xF7, 0xC0, 0x3C, 0x78, 0x63, 0xEF, 0xF8, 0xFF, 0x3F, 0x87, 0xFD, 0xF0, 0xFF, 0xFF, 0xC6,
-    0x03, 0x01, 0x80, 0xC0, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x01, 0x83, 0x81, 0x80, 0x63, 0x3D, 0xE6, 0x31, 0x8C, 0x71,
-    0xCC, 0x37, 0x30, 0x3C, 0x3C, 0x18, 0xFF, 0xFF, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x0D, 0xB6, 0xFF,
-    0xF1, 0x86, 0x18, 0x61, 0xC3, 0x80, 0xFF, 0xFF, 0x18, 0x18, 0x7E, 0x7E, 0x18, 0x18, 0x18, 0x18, 0x63, 0x3D, 0xE6,
-    0x73, 0xCC, 0x71, 0xC0, 0x1E, 0x3E, 0x3C, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC7, 0x7E, 0x3C, 0x3D, 0xF7,
-    0xA3, 0xCF, 0x3C, 0xF3, 0xCF, 0xF7, 0x80, 0x3C, 0x3C, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC7, 0x7E, 0x3C,
-    0x79, 0xE8, 0xF3, 0xCF, 0x3C, 0xF3, 0xFD, 0xE0, 0x36, 0x3E, 0x1C, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC7,
-    0x7E, 0x3C, 0x6D, 0xF3, 0xA3, 0xCF, 0x3C, 0xF3, 0xCF, 0xF7, 0x80, 0x18, 0x3C, 0x3C, 0xDB, 0xC3, 0xC3, 0xC3, 0xC3,
-    0xC3, 0xC3, 0xC7, 0x7E, 0x3C, 0x31, 0xE7, 0xAF, 0xCF, 0x3C, 0xF3, 0xCF, 0xF7, 0x80, 0x1E, 0x3E, 0x3C, 0xC3, 0xC3,
-    0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC7, 0x7E, 0x3C, 0x3D, 0xF7, 0xA3, 0xCF, 0x3C, 0xF3, 0xCF, 0xF7, 0x80, 0xC3, 0xC3,
-    0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC7, 0x7E, 0x3C, 0x18, 0x30, 0x3C, 0x1C, 0x8D, 0x9B, 0x36, 0x6C, 0xD9, 0xBF, 0x3E,
-    0x0C, 0x30, 0x78, 0x70, 0x03, 0x00, 0x1E, 0x00, 0x78, 0x20, 0xC3, 0xC3, 0x0F, 0x0C, 0x3C, 0x79, 0xD9, 0xE6, 0x6F,
-    0xF8, 0xF3, 0xC3, 0xCF, 0x0F, 0x3C, 0x18, 0x60, 0x0C, 0x07, 0x81, 0xE2, 0x03, 0xCC, 0xF7, 0xF7, 0xF9, 0xFE, 0x7F,
-    0x8C, 0xC3, 0x30, 0x18, 0x3C, 0x3C, 0xC3, 0xC3, 0xE7, 0x7E, 0x3C, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x3C,
-    0x83, 0xC7, 0x66, 0x6E, 0x3C, 0x3C, 0x18, 0x18, 0x18, 0x70, 0x60, 0x3C, 0x3C, 0xC3, 0xC3, 0xE7, 0x7E, 0x3C, 0x18,
-    0x18, 0x18, 0x18, 0x18, 0x0C, 0x1C, 0x18, 0xFF, 0xFF, 0x07, 0x0E, 0x1C, 0x38, 0x70, 0xE0, 0xFE, 0xFF, 0x0C, 0x38,
-    0x67, 0xFF, 0xE3, 0x8E, 0x38, 0xE1, 0xFB, 0xF8, 0x0C, 0x0C, 0xFF, 0xFF, 0x07, 0x0E, 0x1C, 0x38, 0x70, 0xE0, 0xFE,
-    0xFF, 0x18, 0x33, 0xFF, 0xF1, 0xC7, 0x1C, 0x70, 0xFD, 0xFC, 0x3C, 0x3C, 0x18, 0xFF, 0xFF, 0x07, 0x0E, 0x1C, 0x38,
-    0x70, 0xE0, 0xFE, 0xFF, 0x3C, 0x78, 0x67, 0xFF, 0xE3, 0x8E, 0x38, 0xE1, 0xFB, 0xF8, 0x1E, 0x3F, 0x73, 0xFE, 0xFE,
-    0xFE, 0xFE, 0x62, 0x3F, 0x1E,
-};
-
-static const EpdGlyph babyblueGlyphs[] = {
-    {0, 0, 5, 0, 0, 0, 0},          //
-    {2, 10, 3, 1, 10, 3, 0},        // !
-    {4, 5, 5, 1, 11, 3, 3},         // "
-    {9, 11, 10, 0, 11, 13, 6},      // #
-    {8, 14, 9, 0, 12, 14, 19},      // $
-    {11, 11, 13, 1, 11, 16, 33},    // %
-    {9, 11, 11, 1, 11, 13, 49},     // &
-    {2, 4, 3, 1, 11, 1, 62},        // '
-    {4, 15, 5, 1, 11, 8, 63},       // (
-    {4, 15, 5, 1, 11, 8, 71},       // )
-    {6, 6, 6, 0, 11, 5, 79},        // *
-    {8, 8, 9, 0, 9, 8, 84},         // +
-    {2, 5, 3, 1, 3, 2, 92},         // ,
-    {5, 2, 5, 0, 5, 2, 94},         // -
-    {2, 2, 3, 1, 2, 1, 96},         // .
-    {6, 11, 6, 0, 11, 9, 97},       // /
-    {8, 11, 9, 0, 11, 11, 106},     // 0
-    {5, 11, 6, 1, 11, 7, 117},      // 1
-    {8, 11, 9, 0, 11, 11, 124},     // 2
-    {8, 11, 10, 1, 11, 11, 135},    // 3
-    {8, 11, 9, 0, 11, 11, 146},     // 4
-    {7, 11, 9, 1, 11, 10, 157},     // 5
-    {8, 11, 9, 0, 11, 11, 167},     // 6
-    {9, 11, 10, 0, 11, 13, 178},    // 7
-    {8, 11, 9, 0, 11, 11, 191},     // 8
-    {8, 11, 9, 0, 11, 11, 202},     // 9
-    {2, 8, 3, 1, 8, 2, 213},        // :
-    {2, 11, 3, 1, 8, 3, 215},       // ;
-    {7, 8, 9, 1, 9, 7, 218},        // <
-    {8, 5, 9, 0, 8, 5, 225},        // =
-    {7, 8, 7, 0, 9, 7, 230},        // >
-    {7, 11, 9, 1, 11, 10, 237},     // ?
-    {14, 15, 15, 0, 11, 27, 247},   // @
-    {7, 10, 9, 1, 10, 9, 274},      // A
-    {8, 10, 10, 1, 10, 10, 283},    // B
-    {9, 10, 11, 1, 10, 12, 293},    // C
-    {8, 10, 10, 1, 10, 10, 305},    // D
-    {7, 10, 9, 1, 10, 9, 315},      // E
-    {7, 10, 9, 1, 10, 9, 324},      // F
-    {9, 10, 11, 1, 10, 12, 333},    // G
-    {8, 10, 10, 1, 10, 10, 345},    // H
-    {2, 10, 3, 1, 10, 3, 355},      // I
-    {6, 10, 6, 0, 10, 8, 358},      // J
-    {8, 10, 10, 1, 10, 10, 366},    // K
-    {7, 10, 9, 1, 10, 9, 376},      // L
-    {10, 10, 12, 1, 10, 13, 385},   // M
-    {8, 10, 10, 1, 10, 10, 398},    // N
-    {9, 10, 11, 1, 10, 12, 408},    // O
-    {8, 10, 10, 1, 10, 10, 420},    // P
-    {9, 10, 11, 1, 10, 12, 430},    // Q
-    {8, 10, 10, 1, 10, 10, 442},    // R
-    {7, 10, 9, 1, 10, 9, 452},      // S
-    {8, 10, 9, 0, 10, 10, 461},     // T
-    {8, 10, 10, 1, 10, 10, 471},    // U
-    {8, 10, 10, 1, 10, 10, 481},    // V
-    {14, 10, 15, 0, 10, 18, 491},   // W
-    {10, 10, 11, 0, 10, 13, 509},   // X
-    {8, 10, 10, 1, 10, 10, 522},    // Y
-    {8, 10, 9, 0, 10, 10, 532},     // Z
-    {4, 14, 5, 1, 10, 7, 542},      // [
-    {7, 10, 7, 0, 10, 9, 549},      // <backslash>
-    {4, 14, 4, 0, 10, 7, 558},      // ]
-    {8, 7, 9, 0, 11, 7, 565},       // ^
-    {8, 2, 9, 0, -2, 2, 572},       // _
-    {3, 3, 3, 0, 11, 2, 574},       // `
-    {7, 8, 7, 0, 8, 7, 576},        // a
-    {7, 10, 9, 1, 10, 9, 583},      // b
-    {7, 8, 7, 0, 8, 7, 592},        // c
-    {7, 10, 7, 0, 10, 9, 599},      // d
-    {8, 8, 9, 0, 8, 8, 608},        // e
-    {5, 11, 5, 0, 11, 7, 616},      // f
-    {7, 12, 7, 0, 8, 11, 623},      // g
-    {6, 10, 7, 1, 10, 8, 634},      // h
-    {2, 10, 3, 1, 10, 3, 642},      // i
-    {3, 14, 3, 0, 10, 6, 645},      // j
-    {6, 10, 7, 1, 10, 8, 651},      // k
-    {2, 10, 3, 1, 10, 3, 659},      // l
-    {10, 8, 12, 1, 8, 10, 662},     // m
-    {6, 8, 7, 1, 8, 6, 672},        // n
-    {8, 8, 9, 0, 8, 8, 678},        // o
-    {7, 11, 9, 1, 8, 10, 686},      // p
-    {7, 11, 7, 0, 8, 10, 696},      // q
-    {5, 8, 6, 1, 8, 5, 706},        // r
-    {7, 8, 7, 0, 8, 7, 711},        // s
-    {5, 10, 5, 0, 10, 7, 718},      // t
-    {6, 8, 7, 1, 8, 6, 725},        // u
-    {8, 8, 9, 0, 8, 8, 731},        // v
-    {10, 8, 11, 0, 8, 10, 739},     // w
-    {8, 8, 9, 0, 8, 8, 749},        // x
-    {8, 11, 9, 0, 8, 11, 757},      // y
-    {7, 8, 7, 0, 8, 7, 768},        // z
-    {5, 15, 5, 0, 11, 10, 775},     // {
-    {2, 15, 3, 1, 11, 4, 785},      // |
-    {6, 15, 6, 0, 11, 12, 789},     // }
-    {9, 3, 10, 0, 7, 4, 801},       // ~
-    {2, 12, 4, 2, 8, 3, 805},       // ¡
-    {7, 13, 7, 0, 10, 12, 808},     // ¢
-    {8, 10, 9, 0, 10, 10, 820},     // £
-    {8, 8, 9, 0, 9, 8, 830},        // ¤
-    {8, 10, 9, 0, 10, 10, 838},     // ¥
-    {2, 15, 3, 1, 11, 4, 848},      // ¦
-    {8, 15, 9, 0, 11, 15, 852},     // §
-    {5, 3, 5, 0, 11, 2, 867},       // ¨
-    {10, 11, 11, 0, 11, 14, 869},   // ©
-    {5, 6, 5, 0, 11, 4, 883},       // ª
-    {7, 7, 9, 1, 8, 7, 887},        // «
-    {8, 5, 9, 0, 8, 5, 894},        // ¬
-    {10, 11, 11, 0, 11, 14, 899},   // ®
-    {8, 2, 9, 0, 12, 2, 913},       // ¯
-    {4, 5, 5, 1, 11, 3, 915},       // °
-    {8, 9, 9, 0, 9, 9, 918},        // ±
-    {5, 8, 5, 0, 11, 5, 927},       // ²
-    {5, 6, 5, 0, 11, 4, 932},       // ³
-    {3, 3, 4, 1, 11, 2, 936},       // ´
-    {6, 12, 9, 2, 8, 9, 938},       // µ
-    {8, 14, 9, 0, 10, 14, 947},     // ¶
-    {2, 2, 3, 1, 6, 1, 961},        // ·
-    {4, 4, 4, 0, 0, 2, 962},        // ¸
-    {4, 7, 4, 0, 12, 4, 964},       // ¹
-    {6, 6, 6, 0, 11, 5, 968},       // º
-    {7, 7, 9, 1, 8, 7, 973},        // »
-    {12, 12, 13, 0, 12, 18, 980},   // ¼
-    {12, 11, 13, 0, 11, 17, 998},   // ½
-    {12, 11, 13, 0, 11, 17, 1015},  // ¾
-    {7, 12, 9, 1, 8, 11, 1032},     // ¿
-    {7, 13, 9, 1, 13, 12, 1043},    // À
-    {7, 13, 9, 1, 13, 12, 1055},    // Á
-    {7, 13, 9, 1, 13, 12, 1067},    // Â
-    {7, 13, 9, 1, 13, 12, 1079},    // Ã
-    {7, 12, 9, 1, 12, 11, 1091},    // Ä
-    {7, 13, 9, 1, 13, 12, 1102},    // Å
-    {13, 11, 14, 0, 11, 18, 1114},  // Æ
-    {9, 14, 11, 1, 10, 16, 1132},   // Ç
-    {7, 13, 9, 1, 13, 12, 1148},    // È
-    {7, 13, 9, 1, 13, 12, 1160},    // É
-    {7, 13, 9, 1, 13, 12, 1172},    // Ê
-    {7, 12, 9, 1, 12, 11, 1184},    // Ë
-    {3, 13, 3, 0, 13, 5, 1195},     // Ì
-    {3, 13, 4, 1, 13, 5, 1200},     // Í
-    {4, 13, 4, 0, 13, 7, 1205},     // Î
-    {4, 12, 4, 0, 12, 6, 1212},     // Ï
-    {9, 10, 10, 0, 10, 12, 1218},   // Ð
-    {8, 13, 10, 1, 13, 13, 1230},   // Ñ
-    {9, 13, 11, 1, 13, 15, 1243},   // Ò
-    {9, 13, 11, 1, 13, 15, 1258},   // Ó
-    {9, 13, 11, 1, 13, 15, 1273},   // Ô
-    {9, 13, 11, 1, 13, 15, 1288},   // Õ
-    {9, 12, 11, 1, 12, 14, 1303},   // Ö
-    {6, 6, 7, 1, 8, 5, 1317},       // ×
-    {10, 10, 11, 0, 10, 13, 1322},  // Ø
-    {8, 13, 10, 1, 13, 13, 1335},   // Ù
-    {8, 13, 10, 1, 13, 13, 1348},   // Ú
-    {8, 13, 10, 1, 13, 13, 1361},   // Û
-    {8, 12, 10, 1, 12, 12, 1374},   // Ü
-    {8, 13, 10, 1, 13, 13, 1386},   // Ý
-    {8, 10, 10, 1, 10, 10, 1399},   // Þ
-    {7, 11, 9, 1, 11, 10, 1409},    // ß
-    {7, 11, 7, 0, 11, 10, 1419},    // à
-    {7, 11, 7, 0, 11, 10, 1429},    // á
-    {7, 11, 7, 0, 11, 10, 1439},    // â
-    {7, 11, 7, 0, 11, 10, 1449},    // ã
-    {7, 10, 7, 0, 10, 9, 1459},     // ä
-    {7, 12, 7, 0, 12, 11, 1468},    // å
-    {12, 8, 13, 0, 8, 12, 1479},    // æ
-    {7, 12, 7, 0, 8, 11, 1491},     // ç
-    {8, 11, 9, 0, 11, 11, 1502},    // è
-    {8, 11, 9, 0, 11, 11, 1513},    // é
-    {8, 11, 9, 0, 11, 11, 1524},    // ê
-    {8, 10, 9, 0, 10, 10, 1535},    // ë
-    {3, 11, 3, 0, 11, 5, 1545},     // ì
-    {3, 11, 4, 1, 11, 5, 1550},     // í
-    {4, 11, 4, 0, 11, 6, 1555},     // î
-    {4, 10, 4, 0, 10, 5, 1561},     // ï
-    {8, 11, 9, 0, 11, 11, 1566},    // ð
-    {6, 11, 7, 1, 11, 9, 1577},     // ñ
-    {8, 11, 9, 0, 11, 11, 1586},    // ò
-    {8, 11, 9, 0, 11, 11, 1597},    // ó
-    {8, 11, 9, 0, 11, 11, 1608},    // ô
-    {8, 11, 9, 0, 11, 11, 1619},    // õ
-    {8, 10, 9, 0, 10, 10, 1630},    // ö
-    {8, 6, 9, 0, 8, 6, 1640},       // ÷
-    {8, 8, 9, 0, 8, 8, 1646},       // ø
-    {6, 11, 7, 1, 11, 9, 1654},     // ù
-    {6, 11, 7, 1, 11, 9, 1663},     // ú
-    {6, 11, 7, 1, 11, 9, 1672},     // û
-    {6, 10, 7, 1, 10, 8, 1681},     // ü
-    {8, 14, 9, 0, 11, 14, 1689},    // ý
-    {7, 13, 9, 1, 10, 12, 1703},    // þ
-    {8, 13, 9, 0, 10, 13, 1715},    // ÿ
-    {7, 12, 9, 1, 12, 11, 1728},    // Ā
-    {7, 10, 7, 0, 10, 9, 1739},     // ā
-    {7, 13, 9, 1, 13, 12, 1748},    // Ă
-    {7, 11, 7, 0, 11, 10, 1760},    // ă
-    {8, 14, 10, 1, 10, 14, 1770},   // Ą
-    {8, 12, 9, 0, 8, 12, 1784},     // ą
-    {9, 13, 11, 1, 13, 15, 1796},   // Ć
-    {7, 11, 7, 0, 11, 10, 1811},    // ć
-    {9, 13, 11, 1, 13, 15, 1821},   // Ĉ
-    {7, 11, 7, 0, 11, 10, 1836},    // ĉ
-    {9, 12, 11, 1, 12, 14, 1846},   // Ċ
-    {7, 10, 7, 0, 10, 9, 1860},     // ċ
-    {9, 13, 11, 1, 13, 15, 1869},   // Č
-    {7, 11, 7, 0, 11, 10, 1884},    // č
-    {8, 13, 10, 1, 13, 13, 1894},   // Ď
-    {9, 11, 10, 0, 11, 13, 1907},   // ď
-    {9, 10, 10, 0, 10, 12, 1920},   // Đ
-    {8, 11, 9, 0, 11, 11, 1932},    // đ
-    {7, 12, 9, 1, 12, 11, 1943},    // Ē
-    {8, 10, 9, 0, 10, 10, 1954},    // ē
-    {7, 13, 9, 1, 13, 12, 1964},    // Ĕ
-    {8, 11, 9, 0, 11, 11, 1976},    // ĕ
-    {7, 12, 9, 1, 12, 11, 1987},    // Ė
-    {8, 10, 9, 0, 10, 10, 1998},    // ė
-    {8, 14, 10, 1, 10, 14, 2008},   // Ę
-    {8, 12, 9, 0, 8, 12, 2022},     // ę
-    {7, 13, 9, 1, 13, 12, 2034},    // Ě
-    {8, 11, 9, 0, 11, 11, 2046},    // ě
-    {9, 13, 11, 1, 13, 15, 2057},   // Ĝ
-    {7, 15, 7, 0, 11, 14, 2072},    // ĝ
-    {9, 13, 11, 1, 13, 15, 2086},   // Ğ
-    {7, 15, 7, 0, 11, 14, 2101},    // ğ
-    {9, 12, 11, 1, 12, 14, 2115},   // Ġ
-    {7, 14, 7, 0, 10, 13, 2129},    // ġ
-    {9, 14, 11, 1, 10, 16, 2142},   // Ģ
-    {7, 15, 7, 0, 11, 14, 2158},    // ģ
-    {8, 13, 10, 1, 13, 13, 2172},   // Ĥ
-    {6, 13, 7, 1, 13, 10, 2185},    // ĥ
-    {10, 10, 11, 0, 10, 13, 2195},  // Ħ
-    {7, 11, 7, 0, 11, 10, 2208},    // ħ
-    {5, 13, 5, 0, 13, 9, 2218},     // Ĩ
-    {5, 11, 5, 0, 11, 7, 2227},     // ĩ
-    {4, 12, 4, 0, 12, 6, 2234},     // Ī
-    {4, 10, 4, 0, 10, 5, 2240},     // ī
-    {5, 13, 5, 0, 13, 9, 2245},     // Ĭ
-    {5, 11, 5, 0, 11, 7, 2254},     // ĭ
-    {4, 14, 4, 0, 10, 7, 2261},     // Į
-    {4, 14, 4, 0, 10, 7, 2268},     // į
-    {2, 12, 3, 1, 12, 3, 2275},     // İ
-    {2, 8, 3, 1, 8, 2, 2278},       // ı
-    {8, 10, 10, 1, 10, 10, 2280},   // IJ
-    {5, 14, 6, 1, 10, 9, 2290},     // ij
-    {7, 13, 7, 0, 13, 12, 2299},    // Ĵ
-    {4, 15, 4, 0, 11, 8, 2311},     // ĵ
-    {8, 14, 10, 1, 10, 14, 2319},   // Ķ
-    {6, 14, 7, 1, 10, 11, 2333},    // ķ
-    {6, 8, 7, 1, 8, 6, 2344},       // ĸ
-    {7, 13, 9, 1, 13, 12, 2350},    // Ĺ
-    {3, 13, 4, 1, 13, 5, 2362},     // ĺ
-    {7, 14, 9, 1, 10, 13, 2367},    // Ļ
-    {4, 14, 4, 0, 10, 7, 2380},     // ļ
-    {7, 11, 9, 1, 11, 10, 2387},    // Ľ
-    {4, 11, 5, 1, 11, 6, 2397},     // ľ
-    {7, 10, 9, 1, 10, 9, 2403},     // Ŀ
-    {4, 10, 5, 1, 10, 5, 2412},     // ŀ
-    {8, 10, 9, 0, 10, 10, 2417},    // Ł
-    {4, 10, 4, 0, 10, 5, 2427},     // ł
-    {8, 13, 10, 1, 13, 13, 2432},   // Ń
-    {6, 12, 7, 1, 12, 9, 2445},     // ń
-    {8, 14, 10, 1, 10, 14, 2454},   // Ņ
-    {6, 12, 7, 1, 8, 9, 2468},      // ņ
-    {8, 13, 10, 1, 13, 13, 2477},   // Ň
-    {6, 11, 7, 1, 11, 9, 2490},     // ň
-    {7, 11, 7, 0, 11, 10, 2499},    // ʼn
-    {8, 13, 10, 1, 10, 13, 2509},   // Ŋ
-    {6, 12, 7, 1, 8, 9, 2522},      // ŋ
-    {9, 12, 11, 1, 12, 14, 2531},   // Ō
-    {8, 10, 9, 0, 10, 10, 2545},    // ō
-    {9, 13, 11, 1, 13, 15, 2555},   // Ŏ
-    {8, 11, 9, 0, 11, 11, 2570},    // ŏ
-    {9, 13, 11, 1, 13, 15, 2581},   // Ő
-    {8, 11, 9, 0, 11, 11, 2596},    // ő
-    {13, 11, 15, 1, 11, 18, 2607},  // Œ
-    {13, 8, 14, 0, 8, 13, 2625},    // œ
-    {8, 13, 10, 1, 13, 13, 2638},   // Ŕ
-    {5, 11, 6, 1, 11, 7, 2651},     // ŕ
-    {8, 14, 10, 1, 10, 14, 2658},   // Ŗ
-    {5, 12, 6, 1, 8, 8, 2672},      // ŗ
-    {8, 13, 10, 1, 13, 13, 2680},   // Ř
-    {5, 11, 6, 1, 11, 7, 2693},     // ř
-    {7, 13, 9, 1, 13, 12, 2700},    // Ś
-    {7, 11, 7, 0, 11, 10, 2712},    // ś
-    {7, 13, 9, 1, 13, 12, 2722},    // Ŝ
-    {7, 11, 7, 0, 11, 10, 2734},    // ŝ
-    {7, 14, 9, 1, 10, 13, 2744},    // Ş
-    {7, 12, 7, 0, 8, 11, 2757},     // ş
-    {7, 13, 9, 1, 13, 12, 2768},    // Š
-    {7, 11, 7, 0, 11, 10, 2780},    // š
-    {9, 14, 10, 0, 10, 16, 2790},   // Ţ
-    {5, 14, 5, 0, 10, 9, 2806},     // ţ
-    {8, 13, 9, 0, 13, 13, 2815},    // Ť
-    {6, 11, 6, 0, 11, 9, 2828},     // ť
-    {8, 10, 9, 0, 10, 10, 2837},    // Ŧ
-    {5, 10, 5, 0, 10, 7, 2847},     // ŧ
-    {8, 13, 10, 1, 13, 13, 2854},   // Ũ
-    {6, 11, 7, 1, 11, 9, 2867},     // ũ
-    {8, 12, 10, 1, 12, 12, 2876},   // Ū
-    {6, 10, 7, 1, 10, 8, 2888},     // ū
-    {8, 13, 10, 1, 13, 13, 2896},   // Ŭ
-    {6, 11, 7, 1, 11, 9, 2909},     // ŭ
-    {8, 13, 10, 1, 13, 13, 2918},   // Ů
-    {6, 11, 7, 1, 11, 9, 2931},     // ů
-    {8, 13, 10, 1, 13, 13, 2940},   // Ű
-    {6, 11, 7, 1, 11, 9, 2953},     // ű
-    {8, 14, 10, 1, 10, 14, 2962},   // Ų
-    {7, 12, 9, 1, 8, 11, 2976},     // ų
-    {14, 13, 15, 0, 13, 23, 2987},  // Ŵ
-    {10, 11, 11, 0, 11, 14, 3010},  // ŵ
-    {8, 13, 10, 1, 13, 13, 3024},   // Ŷ
-    {8, 14, 9, 0, 11, 14, 3037},    // ŷ
-    {8, 12, 10, 1, 12, 12, 3051},   // Ÿ
-    {8, 13, 9, 0, 13, 13, 3063},    // Ź
-    {7, 11, 7, 0, 11, 10, 3076},    // ź
-    {8, 12, 9, 0, 12, 12, 3086},    // Ż
-    {7, 10, 7, 0, 10, 9, 3098},     // ż
-    {8, 13, 9, 0, 13, 13, 3107},    // Ž
-    {7, 11, 7, 0, 11, 10, 3120},    // ž
-    {8, 10, 9, 0, 10, 10, 3130},    // €
-};
-
-static const EpdUnicodeInterval babyblueIntervals[] = {
-    {0x20, 0x7E, 0x0}, {0xA1, 0xAC, 0x5F}, {0xAE, 0xFF, 0x6B}, {0x100, 0x17E, 0xBD}, {0x20AC, 0x20AC, 0x13C},
-};
-
-static const EpdFontData babyblue = {
-    babyblueBitmaps, babyblueGlyphs, babyblueIntervals, 5, 17, 13, -4, false,
-};

lib/EpdFont/builtinFonts/pixelarial14.h

@@ -7,7 +7,7 @@
 #pragma once
 #include "EpdFontData.h"
 
-static const uint8_t pixelarial14Bitmaps[1145] = {
+static const uint8_t pixelarial14Bitmaps[8296] = {
     0xFF, 0xFF, 0xFF, 0xC0, 0xFF, 0xFF, 0xFF, 0x1C, 0x63, 0x8C, 0xF7, 0x98, 0xCF, 0xFF, 0xFF, 0xDC, 0xE7, 0xFE, 0xFF,
     0xFF, 0xFB, 0x9C, 0x63, 0x0C, 0x60, 0x30, 0xF3, 0xFF, 0xBF, 0x1F, 0x9F, 0x9B, 0x37, 0xEF, 0xFB, 0xE3, 0x00, 0x70,
     0x67, 0xCF, 0x37, 0x61, 0xBB, 0x0D, 0xF0, 0x7D, 0x81, 0xDD, 0xC0, 0xDF, 0x07, 0x98, 0xFC, 0xC7, 0x66, 0x7B, 0xF3,
@@ -67,11 +67,392 @@ static const uint8_t pixelarial14Bitmaps[1145] = {
     0x66, 0x66, 0x7E, 0x3C, 0x3C, 0x7E, 0x66, 0xE7, 0xC3, 0xC1, 0xE0, 0xF0, 0x7C, 0x76, 0x33, 0xB8, 0xD8, 0x6C, 0x36,
     0x1F, 0x07, 0x03, 0x81, 0xC3, 0xE1, 0xC0, 0xFF, 0xFF, 0x06, 0x1E, 0x1C, 0x1C, 0x30, 0x30, 0x70, 0xFF, 0xFF, 0x37,
     0x66, 0x66, 0x6E, 0xCE, 0x66, 0x66, 0x67, 0x30, 0xFF, 0xFF, 0xFF, 0xC0, 0xCE, 0x66, 0x66, 0x67, 0x37, 0x66, 0x66,
-    0x6E, 0xC0, 0xC3, 0x9B, 0xFF, 0xF9, 0xB8, 0x30, 0xDB, 0x66, 0xC0, 0x6D, 0xBD, 0x80, 0x7F, 0xEF, 0x3C, 0xF3, 0xC0,
-    0x7D, 0xF7, 0xDF, 0xF3, 0xC0,
+    0x6E, 0xC0, 0xC3, 0x9B, 0xFF, 0xF9, 0xB8, 0x30, 0xFC, 0x0D, 0xBF, 0xFF, 0xF0, 0x1C, 0x1C, 0x3E, 0x7E, 0xE0, 0xE0,
+    0xE0, 0xE0, 0xE0, 0x7A, 0x3E, 0x1C, 0x1C, 0x3F, 0x3B, 0x70, 0x70, 0x70, 0x70, 0xFE, 0x70, 0x70, 0x70, 0x60, 0x7F,
+    0x61, 0xBF, 0xDF, 0xCC, 0x66, 0x33, 0x19, 0xFC, 0xFF, 0x61, 0x80, 0xE1, 0xD8, 0xE7, 0x30, 0xDC, 0x3E, 0x07, 0x87,
+    0xF8, 0x30, 0x0C, 0x1F, 0xE0, 0xC0, 0x30, 0xFF, 0xFF, 0xF0, 0x03, 0xFF, 0xFF, 0x3F, 0x70, 0x60, 0x70, 0x7C, 0x6F,
+    0xE3, 0xE3, 0x7F, 0x3E, 0x07, 0x07, 0x6E, 0xFE, 0xEF, 0xB0, 0x1F, 0x87, 0x1C, 0x66, 0x6D, 0xFF, 0xD8, 0x3F, 0x83,
+    0xD8, 0x3D, 0x83, 0xDF, 0xF6, 0x66, 0x71, 0xE1, 0xF8, 0x7D, 0x37, 0xFB, 0xED, 0xF0, 0x3B, 0x77, 0x7E, 0xEE, 0x7E,
+    0x77, 0x3B, 0xFF, 0x80, 0xC0, 0x60, 0x30, 0x18, 0xF8, 0x1F, 0x87, 0x1C, 0x60, 0x6D, 0xF7, 0xDB, 0xBD, 0xBB, 0xDF,
+    0x3D, 0xB3, 0xD9, 0xF6, 0x06, 0x71, 0xE1, 0xF8, 0xFC, 0x7B, 0xEC, 0xFE, 0x78, 0x0C, 0x06, 0x03, 0x1F, 0xF0, 0xC0,
+    0x60, 0x30, 0x00, 0x00, 0x7F, 0xC0, 0xFB, 0x61, 0x8E, 0x71, 0x8F, 0xC0, 0xF9, 0x61, 0x9E, 0x1F, 0x7F, 0x80, 0x6E,
+    0xC0, 0xC7, 0xC7, 0xC7, 0xC7, 0xC7, 0xC7, 0xE7, 0xF7, 0xFF, 0xC0, 0xC0, 0xC0, 0x3F, 0xDF, 0x77, 0xDF, 0xF7, 0xFD,
+    0xDF, 0x77, 0xDC, 0x77, 0x0D, 0xC3, 0x70, 0xDC, 0x37, 0x0D, 0xC3, 0x70, 0xDC, 0x77, 0x67, 0xF0, 0x73, 0x8C, 0x63,
+    0x18, 0xC0, 0x7C, 0xDF, 0x9F, 0x36, 0xEF, 0x80, 0xEC, 0x6E, 0x77, 0x3F, 0x77, 0x6E, 0xEC, 0x70, 0x70, 0xE0, 0xC0,
+    0xC3, 0x81, 0x86, 0x03, 0x18, 0x06, 0x73, 0x8C, 0xCF, 0x03, 0x9E, 0x06, 0x6C, 0x1C, 0xFC, 0x30, 0x30, 0xE0, 0x60,
+    0x70, 0x60, 0xE1, 0xC0, 0xC3, 0x01, 0x8E, 0x03, 0x18, 0x06, 0x7F, 0x8C, 0xDB, 0x03, 0x06, 0x0E, 0x1C, 0x18, 0x70,
+    0x71, 0xC0, 0xC3, 0xE0, 0xF8, 0x70, 0xB0, 0xC0, 0x63, 0x83, 0xC6, 0x01, 0xDC, 0x1B, 0xB3, 0xBE, 0xEF, 0x01, 0x9E,
+    0x07, 0x6C, 0x1C, 0xFC, 0x30, 0x30, 0xE0, 0x60, 0x38, 0x70, 0x00, 0x01, 0x87, 0x0E, 0x38, 0xE1, 0xC3, 0xFB, 0xF0,
+    0x1C, 0x01, 0xE0, 0x06, 0x00, 0x00, 0x0E, 0x00, 0xE0, 0x1F, 0x01, 0xB0, 0x1B, 0x83, 0xB8, 0x31, 0xC7, 0x1C, 0x7F,
+    0xC6, 0x0E, 0xE0, 0xEE, 0x06, 0x03, 0x00, 0xF0, 0x0E, 0x00, 0x00, 0x0E, 0x00, 0xE0, 0x1F, 0x01, 0xB0, 0x1B, 0x83,
+    0xB8, 0x31, 0xC7, 0x1C, 0x7F, 0xC6, 0x0E, 0xE0, 0xEE, 0x06, 0x0E, 0x01, 0xF0, 0x1B, 0x00, 0x00, 0x0E, 0x00, 0xE0,
+    0x1F, 0x01, 0xB0, 0x1B, 0x83, 0xB8, 0x31, 0xC7, 0x1C, 0x7F, 0xC6, 0x0E, 0xE0, 0xEE, 0x06, 0x1F, 0x81, 0xF0, 0x00,
+    0x00, 0x00, 0x0E, 0x00, 0xE0, 0x1F, 0x01, 0xB0, 0x1B, 0x83, 0xB8, 0x31, 0xC7, 0x1C, 0x7F, 0xC6, 0x0E, 0xE0, 0xEE,
+    0x06, 0x1B, 0x81, 0xB8, 0x00, 0x00, 0xE0, 0x0E, 0x01, 0xF0, 0x1B, 0x01, 0xB8, 0x3B, 0x83, 0x1C, 0x71, 0xC7, 0xFC,
+    0x60, 0xEE, 0x0E, 0xE0, 0x60, 0x0E, 0x01, 0xF0, 0x0F, 0x00, 0xE0, 0x0F, 0x01, 0xF0, 0x1B, 0x01, 0xB8, 0x3B, 0x83,
+    0x1C, 0x71, 0xC7, 0xFC, 0x60, 0xEE, 0x0E, 0xE0, 0x60, 0x03, 0xFE, 0x03, 0xC0, 0x07, 0xC0, 0x06, 0xC0, 0x0E, 0xC0,
+    0x1C, 0xFE, 0x18, 0xC0, 0x38, 0xC0, 0x3F, 0xC0, 0x70, 0xC0, 0xE0, 0xC0, 0xE0, 0xFF, 0x02, 0x03, 0xF8, 0xF3, 0x38,
+    0x07, 0x00, 0xC0, 0x18, 0x03, 0x00, 0x60, 0x0E, 0x01, 0xC0, 0x1E, 0x61, 0xFC, 0x0E, 0x01, 0xC0, 0x78, 0x38, 0x1E,
+    0x07, 0x00, 0x0F, 0xF7, 0x03, 0x81, 0xC0, 0xE0, 0x7F, 0x38, 0x1C, 0x0E, 0x07, 0x03, 0x81, 0xFF, 0x0E, 0x0F, 0x06,
+    0x00, 0x0F, 0xF7, 0x03, 0x81, 0xC0, 0xE0, 0x7F, 0x38, 0x1C, 0x0E, 0x07, 0x03, 0x81, 0xFF, 0x18, 0x1E, 0x19, 0x80,
+    0x0F, 0xF7, 0x03, 0x81, 0xC0, 0xE0, 0x7F, 0x38, 0x1C, 0x0E, 0x07, 0x03, 0x81, 0xFF, 0x7E, 0x3F, 0x00, 0x1F, 0xEE,
+    0x07, 0x03, 0x81, 0xC0, 0xFE, 0x70, 0x38, 0x1C, 0x0E, 0x07, 0x03, 0xFE, 0xCF, 0x70, 0x77, 0x77, 0x77, 0x77, 0x77,
+    0x77, 0x6E, 0xC0, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0x31, 0xE6, 0xC0, 0x38, 0xE3, 0x8E, 0x38, 0xE3, 0x8E, 0x38,
+    0xE3, 0x8E, 0xEF, 0xB0, 0x0E, 0x38, 0xE3, 0x8E, 0x38, 0xE3, 0x8E, 0x38, 0xE3, 0x80, 0x7F, 0x87, 0x3C, 0x70, 0xE7,
+    0x06, 0x70, 0x7F, 0xC7, 0x70, 0x77, 0x07, 0x70, 0x67, 0x0E, 0x73, 0xC7, 0xF8, 0x3F, 0x0F, 0xC0, 0x00, 0x00, 0xE0,
+    0xF8, 0x3F, 0x0F, 0xE3, 0xEC, 0xFB, 0x3E, 0x6F, 0x9B, 0xE3, 0xF8, 0x7E, 0x1F, 0x83, 0x0E, 0x00, 0x78, 0x00, 0xC0,
+    0x00, 0x01, 0xFC, 0x1E, 0xF1, 0xC1, 0xCE, 0x06, 0x60, 0x3B, 0x01, 0xD8, 0x0E, 0xC0, 0x77, 0x03, 0x38, 0x38, 0xF7,
+    0x83, 0xF8, 0x03, 0x80, 0x3C, 0x01, 0xC0, 0x00, 0x01, 0xFC, 0x1E, 0xF1, 0xC1, 0xCE, 0x06, 0x60, 0x3B, 0x01, 0xD8,
+    0x0E, 0xC0, 0x77, 0x03, 0x38, 0x38, 0xF7, 0x83, 0xF8, 0x07, 0x00, 0x7C, 0x03, 0x60, 0x00, 0x01, 0xFC, 0x1E, 0xF1,
+    0xC1, 0xCE, 0x06, 0x60, 0x3B, 0x01, 0xD8, 0x0E, 0xC0, 0x77, 0x03, 0x38, 0x38, 0xF7, 0x83, 0xF8, 0x0F, 0xC0, 0x7C,
+    0x00, 0x00, 0x00, 0x01, 0xFC, 0x1E, 0xF1, 0xC1, 0xCE, 0x06, 0x60, 0x3B, 0x01, 0xD8, 0x0E, 0xC0, 0x77, 0x03, 0x38,
+    0x38, 0xF7, 0x83, 0xF8, 0x0D, 0xC0, 0x6E, 0x00, 0x00, 0x3F, 0x83, 0xDE, 0x38, 0x39, 0xC0, 0xCC, 0x07, 0x60, 0x3B,
+    0x01, 0xD8, 0x0E, 0xE0, 0x67, 0x07, 0x1E, 0xF0, 0x7F, 0x00, 0x42, 0xEE, 0x7E, 0x3C, 0x7E, 0xEE, 0x42, 0x1F, 0xF1,
+    0xEF, 0x9C, 0x3C, 0xE3, 0xE6, 0x3B, 0xB1, 0x9D, 0x9C, 0xED, 0xC7, 0x7C, 0x33, 0xE3, 0x8F, 0x78, 0xFF, 0x80, 0x18,
+    0x07, 0x00, 0xC0, 0x00, 0xC1, 0xF0, 0x7C, 0x1F, 0x07, 0xC1, 0xF0, 0x7C, 0x1F, 0x07, 0xE1, 0xF8, 0x67, 0xF8, 0xFC,
+    0x06, 0x03, 0x80, 0xC0, 0x00, 0xC1, 0xF0, 0x7C, 0x1F, 0x07, 0xC1, 0xF0, 0x7C, 0x1F, 0x07, 0xE1, 0xF8, 0x67, 0xF8,
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+    0xC3, 0x7F, 0xFF, 0xDC, 0x0E, 0x38, 0x1D, 0xF6, 0x7F, 0xF8, 0x7E, 0x1E, 0x00, 0x1F, 0xEE, 0x07, 0x03, 0x81, 0xC0,
+    0xFE, 0x70, 0x38, 0x1C, 0x0E, 0x07, 0x03, 0xFE, 0x3F, 0x0F, 0x00, 0x07, 0xE7, 0xF3, 0x1D, 0x8F, 0xFF, 0x60, 0x30,
+    0x1E, 0xC7, 0xE0, 0x3F, 0x86, 0x78, 0x03, 0x80, 0x70, 0x06, 0x00, 0xDF, 0xFB, 0x03, 0x60, 0xEE, 0x1C, 0xEF, 0x0F,
+    0xC0, 0x7E, 0x37, 0x80, 0xE0, 0x7F, 0xFB, 0x1D, 0x8E, 0xFE, 0x3E, 0x00, 0x1B, 0x83, 0x70, 0x00, 0x1F, 0xC3, 0x3C,
+    0x01, 0xC0, 0x38, 0x03, 0x00, 0x6F, 0xFD, 0x81, 0xB0, 0x77, 0x0E, 0x77, 0x87, 0xE0, 0x37, 0x1B, 0x80, 0x0F, 0xC6,
+    0xF0, 0x1C, 0x0F, 0xFF, 0x63, 0xB1, 0xDF, 0xC7, 0xC0, 0x06, 0xE0, 0x0D, 0xC0, 0x00, 0x07, 0x9C, 0x77, 0x39, 0xC7,
+    0x77, 0x07, 0xFC, 0x07, 0xF8, 0x07, 0xE0, 0x1F, 0xE0, 0x6E, 0xE1, 0xDC, 0xC7, 0x39, 0xCE, 0x71, 0xF8, 0xE3, 0x80,
+    0x0D, 0x80, 0x6C, 0x00, 0x00, 0xCE, 0x67, 0x77, 0x1F, 0xF0, 0x7F, 0x03, 0xF8, 0x1F, 0xC1, 0xBB, 0x19, 0xCD, 0xCE,
+    0x70, 0x76, 0x3B, 0x00, 0x0F, 0xE7, 0x70, 0x1C, 0x0E, 0x1E, 0x3F, 0x07, 0xC0, 0xE0, 0x30, 0x3F, 0x3F, 0xFC, 0x7E,
+    0x7E, 0x00, 0x7E, 0x6E, 0x07, 0x0E, 0x3E, 0x0F, 0x07, 0x6F, 0xFE, 0x7F, 0x83, 0x81, 0xC1, 0xC1, 0xC0, 0xF8, 0x3E,
+    0x07, 0x01, 0x81, 0xF9, 0xFF, 0xE0, 0x7F, 0x03, 0x81, 0x81, 0xC0, 0xC0, 0xF0, 0x3C, 0x07, 0x03, 0x81, 0xDB, 0xCF,
+    0xC0, 0x3F, 0x00, 0x00, 0x03, 0x83, 0xE1, 0xF8, 0xFE, 0x7F, 0x9B, 0xEE, 0xFB, 0x3F, 0x8F, 0xE3, 0xF0, 0xF8, 0x3E,
+    0x0C, 0x7E, 0x00, 0x00, 0xC7, 0xC7, 0xCF, 0xCF, 0xDB, 0xF3, 0xF3, 0xE3, 0xE3, 0x3F, 0x0F, 0xC0, 0x03, 0x83, 0xE1,
+    0xF8, 0xFE, 0x7F, 0x9B, 0xEE, 0xFB, 0x3F, 0x8F, 0xE3, 0xF0, 0xF8, 0x3E, 0x0C, 0x7E, 0x7E, 0x00, 0xC7, 0xC7, 0xCF,
+    0xCF, 0xDB, 0xF3, 0xF3, 0xE3, 0xE3, 0x0D, 0xC0, 0x6E, 0x00, 0x00, 0x3F, 0x83, 0xDE, 0x38, 0x39, 0xC0, 0xCC, 0x07,
+    0x60, 0x3B, 0x01, 0xD8, 0x0E, 0xE0, 0x67, 0x07, 0x1E, 0xF0, 0x7F, 0x00, 0x3F, 0x0F, 0xC0, 0x00, 0xFC, 0x7F, 0x98,
+    0x66, 0x1B, 0x87, 0x61, 0x98, 0x67, 0xF8, 0xFC, 0x1F, 0xC1, 0xEF, 0x1C, 0x1C, 0xE0, 0x66, 0x03, 0xBF, 0xFD, 0x80,
+    0xEC, 0x07, 0x70, 0x73, 0x83, 0x8F, 0x78, 0x3F, 0x80, 0x3F, 0x1F, 0xE6, 0x19, 0x86, 0xFF, 0xD8, 0x66, 0x19, 0xFE,
+    0x3F, 0x00, 0x0D, 0xC0, 0x6E, 0x00, 0x00, 0x3F, 0x83, 0xDE, 0x38, 0x39, 0xC0, 0xCC, 0x07, 0x7F, 0xFB, 0x01, 0xD8,
+    0x0E, 0xE0, 0xE7, 0x07, 0x1E, 0xF0, 0x7F, 0x00, 0x3F, 0x0F, 0xC0, 0x00, 0xFC, 0x7F, 0x98, 0x66, 0x1B, 0xFF, 0x61,
+    0x98, 0x67, 0xF8, 0xFC, 0x76, 0x1D, 0x80, 0x03, 0xF8, 0xEF, 0x80, 0xE0, 0x1C, 0x07, 0x3F, 0xC0, 0x70, 0x1C, 0x07,
+    0x03, 0xB1, 0xEF, 0xE0, 0x6C, 0x6C, 0x00, 0x7C, 0x6E, 0x07, 0x07, 0x3F, 0x07, 0x07, 0xDE, 0xFC, 0x3F, 0x00, 0x00,
+    0x03, 0x87, 0xE1, 0xDC, 0x77, 0x18, 0xEE, 0x3B, 0x07, 0xC1, 0xF0, 0x38, 0x0E, 0x17, 0x0F, 0x80, 0x3E, 0x00, 0x00,
+    0x1C, 0x6E, 0x33, 0x39, 0x9C, 0xEC, 0x36, 0x1F, 0x07, 0x03, 0x81, 0xC5, 0xC3, 0xC0, 0x3B, 0x0E, 0xC0, 0x03, 0x87,
+    0xE1, 0xDC, 0x77, 0x18, 0xEE, 0x3B, 0x07, 0xC1, 0xF0, 0x38, 0x0E, 0x17, 0x0F, 0x80, 0x36, 0x1B, 0x00, 0x1C, 0x6E,
+    0x33, 0x39, 0x9C, 0xEC, 0x36, 0x1F, 0x07, 0x03, 0x81, 0xC5, 0xC3, 0xC0, 0x0D, 0x87, 0xE1, 0xB0, 0x00, 0xE1, 0xF8,
+    0x77, 0x1D, 0xC6, 0x3B, 0x8E, 0xC1, 0xF0, 0x7C, 0x0E, 0x03, 0x85, 0xC3, 0xE0, 0x1B, 0x1F, 0x8D, 0x80, 0x0E, 0x37,
+    0x19, 0x9C, 0xCE, 0x76, 0x1B, 0x0F, 0x83, 0x81, 0xC0, 0xE2, 0xE1, 0xE0, 0x3B, 0x0E, 0xC0, 0x01, 0x87, 0x61, 0xD8,
+    0x76, 0x1D, 0x87, 0x61, 0xDE, 0xF3, 0xFC, 0x07, 0x01, 0xC0, 0x70, 0x1C, 0x76, 0x76, 0x00, 0xE3, 0xE3, 0xE3, 0xE3,
+    0x7F, 0x3F, 0x03, 0x03, 0x03, 0xFF, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xF0, 0x30, 0x30,
+    0x30, 0xFF, 0x0C, 0x30, 0xC3, 0x0C, 0x30, 0xF1, 0xC7, 0x00, 0x1D, 0x80, 0xEC, 0x00, 0x01, 0xC0, 0x7E, 0x03, 0xF0,
+    0x1F, 0x80, 0xFC, 0x07, 0xFF, 0x3F, 0x7D, 0xF8, 0xEF, 0xC7, 0x7E, 0x3B, 0xF7, 0xDF, 0xFC, 0xE0, 0x1B, 0x03, 0x60,
+    0x00, 0x60, 0x7C, 0x0F, 0x81, 0xFF, 0xBF, 0x77, 0xC7, 0xF8, 0xFF, 0x3B, 0xFF, 0x70, 0x7F, 0xC0, 0x7F, 0xFF, 0xC0,
+    0x7F, 0xFF, 0xC0, 0xDB, 0x66, 0xC0, 0x6D, 0xBD, 0x80, 0x6F, 0xF0, 0x7F, 0xEF, 0x3C, 0xF3, 0xC0, 0x7D, 0xF7, 0xDF,
+    0xF3, 0xC0, 0x6C, 0xDB, 0xB7, 0xE0, 0x18, 0x18, 0x18, 0x18, 0xFF, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+    0x18, 0x18, 0x18, 0x18, 0x18, 0xFF, 0x18, 0x18, 0x18, 0x18, 0xFF, 0x18, 0x18, 0x18, 0x18, 0x79, 0xF7, 0xDE, 0xE3,
+    0x8F, 0xC7, 0x1C, 0x7C, 0x70, 0x03, 0x67, 0x00, 0x3B, 0xB8, 0x01, 0xDF, 0x80, 0x06, 0xD8, 0x00, 0x3F, 0xC0, 0x00,
+    0x0D, 0xE7, 0xC0, 0xFF, 0xFE, 0x06, 0xCF, 0x30, 0x76, 0x79, 0x83, 0x3F, 0xFC, 0x38, 0xF3, 0xE0, 0x3B, 0x9D, 0xC7,
+    0x38, 0xE0, 0xE3, 0x1C, 0x77, 0x33, 0x80, 0x03, 0x83, 0x81, 0x81, 0xC0, 0xC0, 0xE0, 0x60, 0x70, 0x30, 0x38, 0x38,
+    0x18, 0x00, 0x0F, 0x87, 0xE3, 0x80, 0xE0, 0xFF, 0x0C, 0x03, 0x03, 0xFC, 0x38, 0x0E, 0x01, 0xDC, 0x3E, 0xFF, 0x86,
+    0x03, 0x01, 0xE1, 0xF3, 0xE1, 0xBC, 0x3E, 0x7C, 0x36, 0x03, 0x01, 0x80, 0x08, 0x1F, 0x89, 0xC0, 0x70, 0x3F, 0xFC,
+    0x38, 0x78, 0xFF, 0xB0, 0x18, 0x0E, 0x33, 0xF8, 0x60, 0xFF, 0x8F, 0x03, 0x9F, 0xE0, 0xE1, 0xE3, 0xE1, 0xC0, 0x70,
+    0x1C, 0x07, 0x03, 0x80, 0x7E, 0x1B, 0xC0, 0x38, 0x06, 0x01, 0x8F, 0xE7, 0xB9, 0x86, 0xE1, 0xB8, 0x6E, 0x39, 0xDC,
+    0x3E, 0x00, 0x0E, 0x01, 0xC0, 0x7C, 0x0D, 0x83, 0xB8, 0x63, 0x0C, 0x73, 0x8E, 0x60, 0xDC, 0x1F, 0x83, 0xFF, 0xF0,
+    0xFF, 0xF8, 0x7E, 0x1F, 0x87, 0xE1, 0xF8, 0x7E, 0x1F, 0x87, 0xE1, 0xF8, 0x7E, 0x1F, 0x87, 0xE1, 0xC0, 0xFF, 0xF0,
+    0x1C, 0x07, 0x03, 0x80, 0xE0, 0x30, 0x38, 0x38, 0x1C, 0x1C, 0x0E, 0x0E, 0x07, 0xFC, 0xFF, 0x80, 0x03, 0x83, 0x81,
+    0x81, 0xC0, 0xC0, 0xE0, 0x60, 0x70, 0x30, 0x38, 0x38, 0x18, 0x00, 0x77, 0x00, 0xC0, 0x70, 0x18, 0x06, 0x01, 0x80,
+    0xEF, 0x33, 0xCC, 0x3F, 0x07, 0x81, 0xE0, 0x78, 0x0C, 0x00, 0x7F, 0xBF, 0xFC, 0xCF, 0xFF, 0x7F, 0x80, 0x1E, 0x70,
+    0xC1, 0x83, 0x06, 0x0C, 0x18, 0x30, 0x60, 0xC1, 0x83, 0x06, 0x1C, 0x70, 0x7D, 0xFF, 0xC0, 0x00, 0x07, 0xDF, 0xFC,
+    0x03, 0x03, 0xBF, 0xE1, 0x81, 0xC7, 0xFC, 0xC0, 0x60, 0x03, 0x87, 0x9F, 0x0E, 0x03, 0xC0, 0x78, 0x0E, 0x00, 0xFF,
+    0x80, 0x70, 0x3E, 0x03, 0xC0, 0x70, 0xF3, 0xE1, 0xC0, 0x00, 0xFF, 0x80,
 };
 
 static const EpdGlyph pixelarial14Glyphs[] = {
+    {0, 0, 0, 0, 0, 0, 0},          // 
+    {0, 0, 0, 0, 0, 0, 0},          // 
+    {0, 0, 4, 0, 0, 0, 0},          //
+    {0, 0, 4, 0, 0, 0, 0},          //
+    {0, 0, 0, 0, 0, 0, 0},          // 
     {0, 0, 4, 0, 0, 0, 0},          //
     {2, 13, 3, 0, 13, 4, 0},        // !
     {4, 6, 5, 0, 13, 3, 4},         // "
@@ -167,18 +548,494 @@ static const EpdGlyph pixelarial14Glyphs[] = {
     {2, 13, 3, 0, 13, 4, 1110},     // |
     {4, 17, 5, 0, 13, 9, 1114},     // }
     {11, 4, 12, 0, 9, 6, 1123},     // ~
-    {3, 6, 4, 0, 13, 3, 1129},      // ‘
-    {3, 6, 4, 0, 13, 3, 1132},      // ’
-    {6, 6, 6, 0, 13, 5, 1135},      // “
-    {6, 6, 6, 0, 13, 5, 1140},      // ”
+    {0, 0, 4, 0, 0, 0, 1129},       //  
+    {3, 12, 5, 1, 9, 5, 1129},      // ¡
+    {8, 13, 10, 1, 11, 13, 1134},   // ¢
+    {8, 12, 10, 1, 12, 12, 1147},   // £
+    {9, 9, 10, 0, 11, 11, 1159},    // ¤
+    {10, 12, 10, 0, 12, 15, 1170},  // ¥
+    {3, 16, 5, 1, 13, 6, 1185},     // ¦
+    {8, 14, 8, 0, 13, 14, 1191},    // §
+    {6, 2, 6, 0, 12, 2, 1205},      // ¨
+    {12, 12, 14, 1, 12, 18, 1207},  // ©
+    {6, 6, 7, 0, 12, 5, 1225},      // ª
+    {8, 7, 8, 0, 8, 7, 1230},       // «
+    {9, 5, 10, 0, 6, 6, 1237},      // ¬
+    {5, 1, 5, 0, 5, 1, 1243},       // ­
+    {12, 12, 14, 1, 12, 18, 1244},  // ®
+    {6, 1, 6, 0, 12, 1, 1262},      // ¯
+    {6, 5, 6, 0, 13, 4, 1263},      // °
+    {9, 10, 10, 0, 10, 12, 1267},   // ±
+    {6, 7, 6, 0, 12, 6, 1279},      // ²
+    {6, 7, 6, 0, 12, 6, 1285},      // ³
+    {4, 3, 6, 2, 13, 2, 1291},      // ´
+    {8, 12, 10, 1, 9, 12, 1293},    // µ
+    {10, 15, 11, 0, 12, 19, 1305},  // ¶
+    {4, 2, 4, 0, 6, 1, 1324},       // ·
+    {4, 3, 6, 1, 0, 2, 1325},       // ¸
+    {5, 7, 6, 0, 12, 5, 1327},      // ¹
+    {7, 6, 8, 0, 12, 6, 1332},      // º
+    {8, 7, 8, 0, 8, 7, 1338},       // »
+    {15, 12, 15, 0, 12, 23, 1345},  // ¼
+    {15, 12, 15, 0, 12, 23, 1368},  // ½
+    {15, 12, 15, 0, 12, 23, 1391},  // ¾
+    {7, 12, 7, 0, 9, 11, 1414},     // ¿
+    {12, 16, 11, 0, 16, 24, 1425},  // À
+    {12, 16, 11, 0, 16, 24, 1449},  // Á
+    {12, 16, 11, 0, 16, 24, 1473},  // Â
+    {12, 16, 11, 0, 16, 24, 1497},  // Ã
+    {12, 15, 11, 0, 15, 23, 1521},  // Ä
+    {12, 15, 11, 0, 15, 23, 1544},  // Å
+    {16, 12, 16, 0, 12, 24, 1567},  // Æ
+    {11, 16, 11, 0, 13, 22, 1591},  // Ç
+    {9, 16, 10, 1, 16, 18, 1613},   // È
+    {9, 16, 10, 1, 16, 18, 1631},   // É
+    {9, 16, 10, 1, 16, 18, 1649},   // Ê
+    {9, 15, 10, 1, 15, 17, 1667},   // Ë
+    {4, 16, 5, 0, 16, 8, 1684},     // Ì
+    {4, 16, 5, 1, 16, 8, 1692},     // Í
+    {6, 16, 5, -1, 16, 12, 1700},   // Î
+    {6, 15, 5, -1, 15, 12, 1712},   // Ï
+    {12, 12, 12, 0, 12, 18, 1724},  // Ð
+    {10, 16, 12, 1, 16, 20, 1742},  // Ñ
+    {13, 16, 13, 0, 16, 26, 1762},  // Ò
+    {13, 16, 13, 0, 16, 26, 1788},  // Ó
+    {13, 16, 13, 0, 16, 26, 1814},  // Ô
+    {13, 16, 13, 0, 16, 26, 1840},  // Õ
+    {13, 15, 13, 0, 15, 25, 1866},  // Ö
+    {8, 7, 10, 1, 9, 7, 1891},      // ×
+    {13, 12, 13, 0, 12, 20, 1898},  // Ø
+    {10, 16, 12, 1, 16, 20, 1918},  // Ù
+    {10, 16, 12, 1, 16, 20, 1938},  // Ú
+    {10, 16, 12, 1, 16, 20, 1958},  // Û
+    {10, 15, 12, 1, 15, 19, 1978},  // Ü
+    {11, 16, 10, 0, 16, 22, 1997},  // Ý
+    {9, 12, 10, 1, 12, 14, 2019},   // Þ
+    {9, 13, 11, 1, 13, 15, 2033},   // ß
+    {8, 13, 9, 0, 13, 13, 2048},    // à
+    {8, 13, 9, 0, 13, 13, 2061},    // á
+    {8, 13, 9, 0, 13, 13, 2074},    // â
+    {8, 13, 9, 0, 13, 13, 2087},    // ã
+    {8, 12, 9, 0, 12, 12, 2100},    // ä
+    {8, 14, 9, 0, 14, 14, 2112},    // å
+    {14, 9, 15, 0, 9, 16, 2126},    // æ
+    {8, 12, 8, 0, 9, 12, 2142},     // ç
+    {9, 13, 10, 0, 13, 15, 2154},   // è
+    {9, 13, 10, 0, 13, 15, 2169},   // é
+    {9, 13, 10, 0, 13, 15, 2184},   // ê
+    {9, 12, 10, 0, 12, 14, 2199},   // ë
+    {4, 13, 4, 0, 13, 7, 2213},     // ì
+    {4, 13, 4, 1, 13, 7, 2220},     // í
+    {6, 13, 4, -1, 13, 10, 2227},   // î
+    {6, 12, 4, -1, 12, 9, 2237},    // ï
+    {10, 13, 10, 0, 13, 17, 2246},  // ð
+    {8, 13, 10, 1, 13, 13, 2263},   // ñ
+    {10, 13, 10, 0, 13, 17, 2276},  // ò
+    {10, 13, 10, 0, 13, 17, 2293},  // ó
+    {10, 13, 10, 0, 13, 17, 2310},  // ô
+    {10, 13, 10, 0, 13, 17, 2327},  // õ
+    {10, 12, 10, 0, 12, 15, 2344},  // ö
+    {9, 9, 10, 0, 9, 11, 2359},     // ÷
+    {10, 9, 10, 0, 9, 12, 2370},    // ø
+    {8, 13, 10, 1, 13, 13, 2382},   // ù
+    {8, 13, 10, 1, 13, 13, 2395},   // ú
+    {8, 13, 10, 1, 13, 13, 2408},   // û
+    {8, 12, 10, 1, 12, 12, 2421},   // ü
+    {9, 16, 8, 0, 13, 18, 2433},    // ý
+    {9, 16, 10, 1, 13, 18, 2451},   // þ
+    {9, 15, 8, 0, 12, 17, 2469},    // ÿ
+    {12, 15, 11, 0, 15, 23, 2486},  // Ā
+    {8, 12, 9, 0, 12, 12, 2509},    // ā
+    {12, 15, 11, 0, 15, 23, 2521},  // Ă
+    {8, 12, 9, 0, 12, 12, 2544},    // ă
+    {12, 15, 11, 0, 12, 23, 2556},  // Ą
+    {8, 12, 9, 0, 9, 12, 2579},     // ą
+    {11, 16, 11, 0, 16, 22, 2591},  // Ć
+    {8, 13, 8, 0, 13, 13, 2613},    // ć
+    {11, 16, 11, 0, 16, 22, 2626},  // Ĉ
+    {8, 13, 8, 0, 13, 13, 2648},    // ĉ
+    {11, 15, 11, 0, 15, 21, 2661},  // Ċ
+    {8, 12, 8, 0, 12, 12, 2682},    // ċ
+    {11, 16, 11, 0, 16, 22, 2694},  // Č
+    {8, 13, 8, 0, 13, 13, 2716},    // č
+    {11, 16, 12, 1, 16, 22, 2729},  // Ď
+    {12, 13, 11, 0, 13, 20, 2751},  // ď
+    {12, 12, 12, 0, 12, 18, 2771},  // Đ
+    {10, 13, 10, 0, 13, 17, 2789},  // đ
+    {9, 15, 10, 1, 15, 17, 2806},   // Ē
+    {9, 12, 10, 0, 12, 14, 2823},   // ē
+    {9, 15, 10, 1, 15, 17, 2837},   // Ĕ
+    {9, 12, 10, 0, 12, 14, 2854},   // ĕ
+    {9, 15, 10, 1, 15, 17, 2868},   // Ė
+    {9, 12, 10, 0, 12, 14, 2885},   // ė
+    {9, 15, 10, 1, 12, 17, 2899},   // Ę
+    {9, 12, 10, 0, 9, 14, 2916},    // ę
+    {9, 16, 10, 1, 16, 18, 2930},   // Ě
+    {9, 14, 10, 0, 14, 16, 2948},   // ě
+    {11, 16, 11, 0, 16, 22, 2964},  // Ĝ
+    {9, 16, 10, 0, 13, 18, 2986},   // ĝ
+    {11, 15, 11, 0, 15, 21, 3004},  // Ğ
+    {9, 15, 10, 0, 12, 17, 3025},   // ğ
+    {11, 15, 11, 0, 15, 21, 3042},  // Ġ
+    {9, 15, 10, 0, 12, 17, 3063},   // ġ
+    {11, 15, 11, 0, 12, 21, 3080},  // Ģ
+    {9, 16, 10, 0, 13, 18, 3101},   // ģ
+    {10, 16, 12, 1, 16, 20, 3119},  // Ĥ
+    {9, 16, 10, 0, 16, 18, 3139},   // ĥ
+    {13, 12, 12, 0, 12, 20, 3157},  // Ħ
+    {9, 13, 10, 0, 13, 15, 3177},   // ħ
+    {7, 16, 5, -1, 16, 14, 3192},   // Ĩ
+    {6, 13, 4, -1, 13, 10, 3206},   // ĩ
+    {6, 15, 5, -1, 15, 12, 3216},   // Ī
+    {6, 12, 4, -1, 12, 9, 3228},    // ī
+    {5, 15, 5, 0, 15, 10, 3237},    // Ĭ
+    {6, 12, 4, -1, 12, 9, 3247},    // ĭ
+    {4, 15, 5, 0, 12, 8, 3256},     // Į
+    {4, 16, 4, 0, 13, 8, 3264},     // į
+    {3, 15, 5, 1, 15, 6, 3272},     // İ
+    {2, 9, 4, 1, 9, 3, 3278},       // ı
+    {11, 12, 13, 1, 12, 17, 3281},  // IJ
+    {7, 16, 9, 1, 13, 14, 3298},    // ij
+    {9, 16, 9, 0, 16, 18, 3312},    // Ĵ
+    {7, 16, 4, -2, 13, 14, 3330},   // ĵ
+    {10, 15, 11, 1, 12, 19, 3344},  // Ķ
+    {8, 16, 9, 1, 13, 16, 3363},    // ķ
+    {8, 9, 9, 1, 9, 9, 3379},       // ĸ
+    {8, 16, 9, 1, 16, 16, 3388},    // Ĺ
+    {4, 16, 5, 1, 16, 8, 3404},     // ĺ
+    {8, 15, 9, 1, 12, 15, 3412},    // Ļ
+    {5, 16, 5, 0, 13, 10, 3427},    // ļ
+    {8, 12, 9, 1, 12, 12, 3437},    // Ľ
+    {5, 13, 5, 1, 13, 9, 3449},     // ľ
+    {8, 12, 9, 1, 12, 12, 3458},    // Ŀ
+    {6, 13, 6, 1, 13, 10, 3470},    // ŀ
+    {10, 12, 9, -1, 12, 15, 3480},  // Ł
+    {5, 13, 5, 0, 13, 9, 3495},     // ł
+    {10, 16, 12, 1, 16, 20, 3504},  // Ń
+    {8, 13, 10, 1, 13, 13, 3524},   // ń
+    {10, 15, 12, 1, 12, 19, 3537},  // Ņ
+    {8, 12, 10, 1, 9, 12, 3556},    // ņ
+    {10, 16, 12, 1, 16, 20, 3568},  // Ň
+    {8, 13, 10, 1, 13, 13, 3588},   // ň
+    {9, 14, 10, 0, 14, 16, 3601},   // ʼn
+    {10, 15, 12, 1, 12, 19, 3617},  // Ŋ
+    {8, 12, 10, 1, 9, 12, 3636},    // ŋ
+    {13, 15, 13, 0, 15, 25, 3648},  // Ō
+    {10, 12, 10, 0, 12, 15, 3673},  // ō
+    {13, 15, 13, 0, 15, 25, 3688},  // Ŏ
+    {10, 12, 10, 0, 12, 15, 3713},  // ŏ
+    {13, 16, 13, 0, 16, 26, 3728},  // Ő
+    {10, 13, 10, 0, 13, 17, 3754},  // ő
+    {17, 12, 17, 0, 12, 26, 3771},  // Œ
+    {16, 9, 16, 0, 9, 18, 3797},    // œ
+    {10, 16, 11, 1, 16, 20, 3815},  // Ŕ
+    {6, 13, 7, 1, 13, 10, 3835},    // ŕ
+    {10, 15, 11, 1, 12, 19, 3845},  // Ŗ
+    {7, 12, 7, 0, 9, 11, 3864},     // ŗ
+    {10, 16, 11, 1, 16, 20, 3875},  // Ř
+    {6, 13, 7, 1, 13, 10, 3895},    // ř
+    {9, 16, 9, 0, 16, 18, 3905},    // Ś
+    {7, 13, 8, 0, 13, 12, 3923},    // ś
+    {9, 16, 9, 0, 16, 18, 3935},    // Ŝ
+    {7, 13, 8, 0, 13, 12, 3953},    // ŝ
+    {9, 15, 9, 0, 12, 17, 3965},    // Ş
+    {7, 12, 8, 0, 9, 11, 3982},     // ş
+    {9, 16, 9, 0, 16, 18, 3993},    // Š
+    {7, 13, 8, 0, 13, 12, 4011},    // š
+    {10, 15, 10, 0, 12, 19, 4023},  // Ţ
+    {6, 15, 7, 1, 12, 12, 4042},    // ţ
+    {10, 16, 10, 0, 16, 20, 4054},  // Ť
+    {6, 13, 7, 1, 13, 10, 4074},    // ť
+    {10, 12, 10, 0, 12, 15, 4084},  // Ŧ
+    {6, 12, 7, 1, 12, 9, 4099},     // ŧ
+    {10, 16, 12, 1, 16, 20, 4108},  // Ũ
+    {8, 13, 10, 1, 13, 13, 4128},   // ũ
+    {10, 15, 12, 1, 15, 19, 4141},  // Ū
+    {8, 12, 10, 1, 12, 12, 4160},   // ū
+    {10, 15, 12, 1, 15, 19, 4172},  // Ŭ
+    {8, 12, 10, 1, 12, 12, 4191},   // ŭ
+    {10, 17, 12, 1, 17, 22, 4203},  // Ů
+    {8, 14, 10, 1, 14, 14, 4225},   // ů
+    {10, 16, 12, 1, 16, 20, 4239},  // Ű
+    {8, 13, 10, 1, 13, 13, 4259},   // ű
+    {10, 15, 12, 1, 12, 19, 4272},  // Ų
+    {8, 12, 10, 1, 9, 12, 4291},    // ų
+    {16, 16, 16, 0, 16, 32, 4303},  // Ŵ
+    {13, 13, 13, 0, 13, 22, 4335},  // ŵ
+    {11, 16, 10, 0, 16, 22, 4357},  // Ŷ
+    {9, 16, 8, 0, 13, 18, 4379},    // ŷ
+    {11, 15, 10, 0, 15, 21, 4397},  // Ÿ
+    {10, 16, 10, 0, 16, 20, 4418},  // Ź
+    {8, 13, 8, 0, 13, 13, 4438},    // ź
+    {10, 15, 10, 0, 15, 19, 4451},  // Ż
+    {8, 12, 8, 0, 12, 12, 4470},    // ż
+    {10, 16, 10, 0, 16, 20, 4482},  // Ž
+    {8, 13, 8, 0, 13, 13, 4502},    // ž
+    {6, 14, 5, 1, 14, 11, 4515},    // ſ
+    {6, 2, 6, 0, 12, 2, 4526},      // ̑
+    {9, 16, 10, 1, 16, 18, 4528},   // Ѐ
+    {9, 15, 10, 1, 15, 17, 4546},   // Ё
+    {13, 12, 13, 0, 12, 20, 4563},  // Ђ
+    {8, 16, 9, 1, 16, 16, 4583},    // Ѓ
+    {11, 12, 11, 0, 12, 17, 4599},  // Є
+    {9, 12, 9, 0, 12, 14, 4616},    // Ѕ
+    {3, 12, 5, 1, 12, 5, 4630},     // І
+    {6, 15, 5, -1, 15, 12, 4635},   // Ї
+    {8, 12, 9, 0, 12, 12, 4647},    // Ј
+    {18, 13, 18, 0, 12, 30, 4659},  // Љ
+    {16, 12, 17, 1, 12, 24, 4689},  // Њ
+    {12, 12, 13, 0, 12, 18, 4713},  // Ћ
+    {10, 16, 11, 1, 16, 20, 4731},  // Ќ
+    {10, 16, 12, 1, 16, 20, 4751},  // Ѝ
+    {10, 15, 10, 0, 15, 19, 4771},  // Ў
+    {10, 15, 12, 1, 12, 19, 4790},  // Џ
+    {12, 12, 11, 0, 12, 18, 4809},  // А
+    {9, 12, 11, 1, 12, 14, 4827},   // Б
+    {10, 12, 11, 1, 12, 15, 4841},  // В
+    {8, 12, 9, 1, 12, 12, 4856},    // Г
+    {12, 15, 12, 0, 12, 23, 4868},  // Д
+    {9, 12, 10, 1, 12, 14, 4891},   // Е
+    {15, 12, 15, 0, 12, 23, 4905},  // Ж
+    {9, 12, 10, 0, 12, 14, 4928},   // З
+    {10, 12, 12, 1, 12, 15, 4942},  // И
+    {10, 15, 12, 1, 15, 19, 4957},  // Й
+    {10, 12, 11, 1, 12, 15, 4976},  // К
+    {11, 12, 12, 0, 12, 17, 4991},  // Л
+    {13, 12, 15, 1, 12, 20, 5008},  // М
+    {10, 12, 12, 1, 12, 15, 5028},  // Н
+    {13, 12, 13, 0, 12, 20, 5043},  // О
+    {10, 12, 12, 1, 12, 15, 5063},  // П
+    {9, 12, 10, 1, 12, 14, 5078},   // Р
+    {11, 13, 11, 0, 13, 18, 5092},  // С
+    {10, 12, 10, 0, 12, 15, 5110},  // Т
+    {10, 12, 10, 0, 12, 15, 5125},  // У
+    {14, 13, 15, 0, 13, 23, 5140},  // Ф
+    {11, 12, 11, 0, 12, 17, 5163},  // Х
+    {11, 15, 12, 1, 12, 21, 5180},  // Ц
+    {10, 12, 11, 0, 12, 15, 5201},  // Ч
+    {15, 12, 17, 1, 12, 23, 5216},  // Ш
+    {16, 15, 17, 1, 12, 30, 5239},  // Щ
+    {12, 12, 12, 0, 12, 18, 5269},  // Ъ
+    {13, 12, 15, 1, 12, 20, 5287},  // Ы
+    {9, 12, 10, 1, 12, 14, 5307},   // Ь
+    {10, 12, 11, 0, 12, 15, 5321},  // Э
+    {16, 12, 18, 1, 12, 24, 5336},  // Ю
+    {10, 12, 11, 0, 12, 15, 5360},  // Я
+    {8, 9, 9, 0, 9, 9, 5375},       // а
+    {9, 13, 10, 1, 13, 15, 5384},   // б
+    {8, 9, 9, 1, 9, 9, 5399},       // в
+    {6, 9, 7, 1, 9, 7, 5408},       // г
+    {10, 11, 10, 0, 9, 14, 5415},   // д
+    {9, 9, 10, 0, 9, 11, 5429},     // е
+    {13, 9, 13, 0, 9, 15, 5440},    // ж
+    {8, 9, 8, 0, 9, 9, 5455},       // з
+    {8, 9, 10, 1, 9, 9, 5464},      // и
+    {8, 12, 10, 1, 12, 12, 5473},   // й
+    {8, 9, 9, 1, 9, 9, 5485},       // к
+    {9, 9, 10, 0, 9, 11, 5494},     // л
+    {11, 9, 12, 1, 9, 13, 5505},    // м
+    {8, 9, 10, 1, 9, 9, 5518},      // н
+    {10, 9, 10, 0, 9, 12, 5527},    // о
+    {8, 9, 10, 1, 9, 9, 5539},      // п
+    {9, 12, 10, 1, 9, 14, 5548},    // р
+    {8, 9, 8, 0, 9, 9, 5562},       // с
+    {8, 9, 8, 0, 9, 9, 5571},       // т
+    {9, 12, 8, 0, 9, 14, 5580},     // у
+    {13, 16, 13, 0, 13, 26, 5594},  // ф
+    {9, 9, 9, 0, 9, 11, 5620},      // х
+    {9, 11, 10, 1, 9, 13, 5631},    // ц
+    {8, 9, 9, 0, 9, 9, 5644},       // ч
+    {12, 9, 14, 1, 9, 14, 5653},    // ш
+    {13, 11, 14, 1, 9, 18, 5667},   // щ
+    {10, 9, 10, 0, 9, 12, 5685},    // ъ
+    {11, 9, 13, 1, 9, 13, 5697},    // ы
+    {8, 9, 9, 1, 9, 9, 5710},       // ь
+    {8, 9, 8, 0, 9, 9, 5719},       // э
+    {12, 9, 14, 1, 9, 14, 5728},    // ю
+    {8, 9, 9, 0, 9, 9, 5742},       // я
+    {9, 13, 10, 0, 13, 15, 5751},   // ѐ
+    {9, 12, 10, 0, 12, 14, 5766},   // ё
+    {9, 16, 10, 0, 13, 18, 5780},   // ђ
+    {6, 13, 7, 1, 13, 10, 5798},    // ѓ
+    {8, 9, 8, 0, 9, 9, 5808},       // є
+    {7, 9, 8, 0, 9, 8, 5817},       // ѕ
+    {3, 13, 4, 1, 13, 5, 5825},     // і
+    {6, 12, 4, -1, 12, 9, 5830},    // ї
+    {6, 16, 4, -2, 13, 12, 5839},   // ј
+    {15, 9, 15, 0, 9, 17, 5851},    // љ
+    {13, 9, 14, 1, 9, 15, 5868},    // њ
+    {9, 13, 10, 0, 13, 15, 5883},   // ћ
+    {8, 13, 9, 1, 13, 13, 5898},    // ќ
+    {8, 13, 10, 1, 13, 13, 5911},   // ѝ
+    {9, 15, 8, 0, 12, 17, 5924},    // ў
+    {8, 11, 10, 1, 9, 11, 5941},    // џ
+    {12, 13, 12, 0, 13, 20, 5952},  // Ѣ
+    {10, 13, 10, 0, 13, 17, 5972},  // ѣ
+    {13, 12, 13, 0, 12, 20, 5989},  // Ѳ
+    {10, 9, 10, 0, 9, 12, 6009},    // ѳ
+    {14, 12, 13, 0, 12, 21, 6021},  // Ѵ
+    {10, 9, 10, 0, 9, 12, 6042},    // ѵ
+    {12, 18, 13, 1, 15, 27, 6054},  // Ҋ
+    {10, 15, 10, 1, 12, 19, 6081},  // ҋ
+    {11, 13, 11, 0, 13, 18, 6100},  // Ҍ
+    {9, 9, 9, 0, 9, 11, 6118},      // ҍ
+    {9, 12, 10, 1, 12, 14, 6129},   // Ҏ
+    {9, 12, 10, 1, 9, 14, 6143},    // ҏ
+    {8, 14, 9, 1, 14, 14, 6157},    // Ґ
+    {6, 11, 7, 1, 11, 9, 6171},     // ґ
+    {9, 12, 9, 0, 12, 14, 6180},    // Ғ
+    {7, 9, 7, 0, 9, 8, 6194},       // ғ
+    {9, 15, 11, 1, 12, 17, 6202},   // Ҕ
+    {8, 12, 9, 1, 9, 12, 6219},     // ҕ
+    {16, 15, 16, 0, 12, 30, 6231},  // Җ
+    {14, 11, 13, 0, 9, 20, 6261},   // җ
+    {9, 15, 10, 0, 12, 17, 6281},   // Ҙ
+    {8, 12, 8, 0, 9, 12, 6298},     // ҙ
+    {11, 15, 11, 1, 12, 21, 6310},  // Қ
+    {9, 12, 9, 1, 9, 14, 6331},     // қ
+    {11, 12, 12, 1, 12, 17, 6345},  // Ҝ
+    {10, 9, 11, 1, 9, 12, 6362},    // ҝ
+    {11, 12, 11, 0, 12, 17, 6374},  // Ҟ
+    {10, 9, 9, 0, 9, 12, 6391},     // ҟ
+    {13, 12, 13, 0, 12, 20, 6403},  // Ҡ
+    {11, 9, 10, 0, 9, 13, 6423},    // ҡ
+    {11, 15, 12, 1, 12, 21, 6436},  // Ң
+    {9, 11, 10, 1, 9, 13, 6457},    // ң
+    {13, 12, 14, 1, 12, 20, 6470},  // Ҥ
+    {10, 9, 11, 1, 9, 12, 6490},    // ҥ
+    {16, 15, 18, 1, 12, 30, 6502},  // Ҧ
+    {14, 12, 15, 1, 9, 21, 6532},   // ҧ
+    {13, 15, 13, 0, 12, 25, 6553},  // Ҩ
+    {10, 11, 10, 0, 9, 14, 6578},   // ҩ
+    {11, 16, 11, 0, 13, 22, 6592},  // Ҫ
+    {8, 12, 8, 0, 9, 12, 6614},     // ҫ
+    {10, 15, 10, 0, 12, 19, 6626},  // Ҭ
+    {8, 11, 8, 0, 9, 11, 6645},     // ҭ
+    {11, 12, 10, 0, 12, 17, 6656},  // Ү
+    {9, 12, 9, 0, 9, 14, 6673},     // ү
+    {11, 12, 10, 0, 12, 17, 6687},  // Ұ
+    {9, 12, 9, 0, 9, 14, 6704},     // ұ
+    {11, 15, 11, 0, 12, 21, 6718},  // Ҳ
+    {9, 11, 9, 0, 9, 13, 6739},     // ҳ
+    {15, 15, 14, 0, 12, 29, 6752},  // Ҵ
+    {11, 11, 11, 0, 9, 16, 6781},   // ҵ
+    {11, 16, 11, 0, 12, 22, 6797},  // Ҷ
+    {9, 11, 9, 0, 9, 13, 6819},     // ҷ
+    {10, 12, 11, 0, 12, 15, 6832},  // Ҹ
+    {8, 9, 9, 0, 9, 9, 6847},       // ҹ
+    {9, 12, 11, 1, 12, 14, 6856},   // Һ
+    {8, 13, 10, 1, 13, 13, 6870},   // һ
+    {14, 12, 14, 0, 12, 21, 6883},  // Ҽ
+    {11, 9, 11, 0, 9, 13, 6904},    // ҽ
+    {14, 15, 14, 0, 12, 27, 6917},  // Ҿ
+    {11, 11, 11, 0, 9, 16, 6944},   // ҿ
+    {3, 12, 5, 1, 12, 5, 6960},     // Ӏ
+    {15, 15, 15, 0, 15, 29, 6965},  // Ӂ
+    {13, 12, 13, 0, 12, 20, 6994},  // ӂ
+    {9, 15, 11, 1, 12, 17, 7014},   // Ӄ
+    {8, 12, 9, 1, 9, 12, 7031},     // ӄ
+    {13, 15, 12, 0, 12, 25, 7043},  // Ӆ
+    {11, 12, 10, 0, 9, 17, 7068},   // ӆ
+    {10, 15, 12, 1, 12, 19, 7085},  // Ӈ
+    {8, 12, 10, 1, 9, 12, 7104},    // ӈ
+    {12, 15, 12, 1, 12, 23, 7116},  // Ӊ
+    {10, 12, 10, 1, 9, 15, 7139},   // ӊ
+    {9, 15, 11, 1, 12, 17, 7154},   // Ӌ
+    {8, 11, 9, 0, 9, 11, 7171},     // ӌ
+    {15, 15, 15, 1, 12, 29, 7182},  // Ӎ
+    {12, 12, 13, 1, 9, 18, 7211},   // ӎ
+    {3, 12, 5, 1, 12, 5, 7229},     // ӏ
+    {12, 15, 11, 0, 15, 23, 7234},  // Ӑ
+    {8, 12, 9, 0, 12, 12, 7257},    // ӑ
+    {12, 15, 11, 0, 15, 23, 7269},  // Ӓ
+    {8, 12, 9, 0, 12, 12, 7292},    // ӓ
+    {16, 12, 16, 0, 12, 24, 7304},  // Ӕ
+    {14, 9, 15, 0, 9, 16, 7328},    // ӕ
+    {9, 15, 10, 1, 15, 17, 7344},   // Ӗ
+    {9, 12, 10, 0, 12, 14, 7361},   // ӗ
+    {11, 12, 12, 0, 12, 17, 7375},  // Ә
+    {9, 9, 10, 0, 9, 11, 7392},     // ә
+    {11, 15, 12, 0, 15, 21, 7403},  // Ӛ
+    {9, 12, 10, 0, 12, 14, 7424},   // ӛ
+    {15, 15, 15, 0, 15, 29, 7438},  // Ӝ
+    {13, 12, 13, 0, 12, 20, 7467},  // ӝ
+    {9, 15, 10, 0, 15, 17, 7487},   // Ӟ
+    {8, 12, 8, 0, 12, 12, 7504},    // ӟ
+    {9, 12, 10, 0, 12, 14, 7516},   // Ӡ
+    {9, 12, 8, -1, 9, 14, 7530},    // ӡ
+    {10, 15, 12, 1, 15, 19, 7544},  // Ӣ
+    {8, 12, 10, 1, 12, 12, 7563},   // ӣ
+    {10, 15, 12, 1, 15, 19, 7575},  // Ӥ
+    {8, 12, 10, 1, 12, 12, 7594},   // ӥ
+    {13, 15, 13, 0, 15, 25, 7606},  // Ӧ
+    {10, 12, 10, 0, 12, 15, 7631},  // ӧ
+    {13, 12, 13, 0, 12, 20, 7646},  // Ө
+    {10, 9, 10, 0, 9, 12, 7666},    // ө
+    {13, 15, 13, 0, 15, 25, 7678},  // Ӫ
+    {10, 12, 10, 0, 12, 15, 7703},  // ӫ
+    {10, 15, 11, 0, 15, 19, 7718},  // Ӭ
+    {8, 12, 8, 0, 12, 12, 7737},    // ӭ
+    {10, 15, 10, 0, 15, 19, 7749},  // Ӯ
+    {9, 15, 8, 0, 12, 17, 7768},    // ӯ
+    {10, 15, 10, 0, 15, 19, 7785},  // Ӱ
+    {9, 15, 8, 0, 12, 17, 7804},    // ӱ
+    {10, 16, 10, 0, 16, 20, 7821},  // Ӳ
+    {9, 16, 8, 0, 13, 18, 7841},    // ӳ
+    {10, 15, 11, 0, 15, 19, 7859},  // Ӵ
+    {8, 12, 9, 0, 12, 12, 7878},    // ӵ
+    {8, 15, 9, 1, 12, 15, 7890},    // Ӷ
+    {6, 11, 7, 1, 9, 9, 7905},      // ӷ
+    {13, 15, 15, 1, 15, 25, 7914},  // Ӹ
+    {11, 12, 13, 1, 12, 17, 7939},  // ӹ
+    {10, 1, 8, -1, 5, 2, 7956},     // –
+    {18, 1, 17, -1, 5, 3, 7958},    // —
+    {18, 1, 17, -1, 5, 3, 7961},    // ―
+    {3, 6, 4, 0, 13, 3, 7964},      // ‘
+    {3, 6, 4, 0, 13, 3, 7967},      // ’
+    {3, 4, 4, 0, 2, 2, 7970},       // ‚
+    {6, 6, 6, 0, 13, 5, 7972},      // “
+    {6, 6, 6, 0, 13, 5, 7977},      // ”
+    {7, 4, 7, 0, 2, 4, 7982},       // „
+    {8, 14, 8, 0, 12, 14, 7986},    // †
+    {8, 14, 8, 0, 12, 14, 8000},    // ‡
+    {6, 4, 6, 0, 8, 3, 8014},       // •
+    {15, 2, 17, 1, 2, 4, 8017},     // …
+    {21, 12, 21, 0, 12, 32, 8021},  // ‰
+    {5, 7, 5, 0, 8, 5, 8053},       // ‹
+    {5, 7, 5, 0, 8, 5, 8058},       // ›
+    {9, 12, 3, -3, 12, 14, 8063},   // ⁄
+    {10, 12, 10, 0, 12, 15, 8077},  // €
+    {9, 12, 10, 0, 12, 14, 8092},   // ₮
+    {9, 14, 10, 0, 13, 16, 8106},   // ₴
+    {9, 12, 10, 1, 12, 14, 8122},   // ₹
+    {10, 13, 10, 0, 13, 17, 8136},  // ∂
+    {11, 12, 11, 0, 12, 17, 8153},  // ∆
+    {10, 13, 12, 1, 11, 17, 8170},  // ∏
+    {9, 14, 9, 0, 12, 16, 8187},    // ∑
+    {9, 1, 10, 0, 5, 2, 8203},      // −
+    {9, 12, 3, -3, 12, 14, 8205},   // ∕
+    {4, 2, 4, 0, 6, 1, 8219},       // ∙
+    {10, 13, 10, 0, 13, 17, 8220},  // √
+    {10, 5, 10, 0, 7, 7, 8237},     // ∞
+    {7, 16, 6, 0, 13, 14, 8244},    // ∫
+    {9, 6, 10, 0, 8, 7, 8258},      // ≈
+    {9, 8, 10, 0, 9, 9, 8265},      // ≠
+    {9, 9, 10, 0, 9, 11, 8274},     // ≤
+    {9, 9, 10, 0, 9, 11, 8285},     // ≥
 };
 
 static const EpdUnicodeInterval pixelarial14Intervals[] = {
-    {0x20, 0x7E, 0x0},
-    {0x2018, 0x2019, 0x5F},
-    {0x201C, 0x201D, 0x61},
+    {0x0, 0x0, 0x0},         {0x8, 0x9, 0x1},         {0xD, 0xD, 0x3},         {0x1D, 0x1D, 0x4},
+    {0x20, 0x7E, 0x5},       {0xA0, 0xFF, 0x64},      {0x100, 0x17F, 0xC4},    {0x311, 0x311, 0x144},
+    {0x400, 0x45F, 0x145},   {0x462, 0x463, 0x1A5},   {0x472, 0x475, 0x1A7},   {0x48A, 0x4F9, 0x1AB},
+    {0x2013, 0x2015, 0x21B}, {0x2018, 0x201A, 0x21E}, {0x201C, 0x201E, 0x221}, {0x2020, 0x2022, 0x224},
+    {0x2026, 0x2026, 0x227}, {0x2030, 0x2030, 0x228}, {0x2039, 0x203A, 0x229}, {0x2044, 0x2044, 0x22B},
+    {0x20AC, 0x20AC, 0x22C}, {0x20AE, 0x20AE, 0x22D}, {0x20B4, 0x20B4, 0x22E}, {0x20B9, 0x20B9, 0x22F},
+    {0x2202, 0x2202, 0x230}, {0x2206, 0x2206, 0x231}, {0x220F, 0x220F, 0x232}, {0x2211, 0x2212, 0x233},
+    {0x2215, 0x2215, 0x235}, {0x2219, 0x221A, 0x236}, {0x221E, 0x221E, 0x238}, {0x222B, 0x222B, 0x239},
+    {0x2248, 0x2248, 0x23A}, {0x2260, 0x2260, 0x23B}, {0x2264, 0x2265, 0x23C},
 };
 
 static const EpdFontData pixelarial14 = {
-    pixelarial14Bitmaps, pixelarial14Glyphs, pixelarial14Intervals, 3, 17, 13, -4, false,
-};
+    pixelarial14Bitmaps, pixelarial14Glyphs, pixelarial14Intervals, 35, 17, 13, -4, false,
+};

lib/EpdFont/scripts/fontconvert.py

@@ -54,7 +54,7 @@ intervals = [
     # (0x0370, 0x03FF),
     ### Cyrillic ###
     # Russian, Ukrainian, Bulgarian, etc.
-    # (0x0400, 0x04FF),
+    (0x0400, 0x04FF),
     ### Math Symbols (common subset) ###
     # General math operators
     (0x2200, 0x22FF),
@@ -176,7 +176,7 @@ for i_start, i_end in intervals:
                 px = 0
 
         if is2Bit:
-            # 0 = white, 15 black, 8+ dark grey, 7- light grey
+            # 0-3 white, 4-7 light grey, 8-11 dark grey, 12-15 black
             # Downsample to 2-bit bitmap
             pixels2b = []
             px = 0
@@ -187,11 +187,11 @@ for i_start, i_end in intervals:
                     bm = pixels4g[y * pitch + (x // 2)]
                     bm = (bm >> ((x % 2) * 4)) & 0xF
 
-                    if bm == 15:
+                    if bm >= 12:
                         px += 3
                     elif bm >= 8:
                         px += 2
-                    elif bm > 0:
+                    elif bm >= 4:
                         px += 1
 
                     if (y * bitmap.width + x) % 4 == 3:
@@ -211,7 +211,7 @@ for i_start, i_end in intervals:
             #     print(line)
             # print('')
         else:
-            # Downsample to 1-bit bitmap - treat any non-zero as black
+            # Downsample to 1-bit bitmap - treat any 2+ as black
             pixelsbw = []
             px = 0
             pitch = (bitmap.width // 2) + (bitmap.width % 2)
@@ -219,7 +219,7 @@ for i_start, i_end in intervals:
                 for x in range(bitmap.width):
                     px = px << 1
                     bm = pixels4g[y * pitch + (x // 2)]
-                    px += 1 if ((x & 1) == 0 and bm & 0xF > 0) or ((x & 1) == 1 and bm & 0xF0 > 0) else 0
+                    px += 1 if ((x & 1) == 0 and bm & 0xE > 0) or ((x & 1) == 1 and bm & 0xE0 > 0) else 0
 
                     if (y * bitmap.width + x) % 8 == 7:
                         pixelsbw.append(px)

lib/Epub/Epub.cpp

@@ -1,6 +1,7 @@
 #include "Epub.h"
 
 #include <HardwareSerial.h>
+#include <JpegToBmpConverter.h>
 #include <SD.h>
 #include <ZipFile.h>
 
@@ -30,24 +31,22 @@ bool Epub::findContentOpfFile(std::string* contentOpfFile) const {
   // Stream read (reusing your existing stream logic)
   if (!readItemContentsToStream(containerPath, containerParser, 512)) {
     Serial.printf("[%lu] [EBP] Could not read META-INF/container.xml\n", millis());
-    containerParser.teardown();
     return false;
   }
 
   // Extract the result
   if (containerParser.fullPath.empty()) {
     Serial.printf("[%lu] [EBP] Could not find valid rootfile in container.xml\n", millis());
-    containerParser.teardown();
     return false;
   }
 
   *contentOpfFile = std::move(containerParser.fullPath);
-
-  containerParser.teardown();
   return true;
 }
 
 bool Epub::parseContentOpf(const std::string& contentOpfFilePath) {
+  Serial.printf("[%lu] [EBP] Parsing content.opf: %s\n", millis(), contentOpfFilePath.c_str());
+
   size_t contentOpfSize;
   if (!getItemSize(contentOpfFilePath, &contentOpfSize)) {
     Serial.printf("[%lu] [EBP] Could not get size of content.opf\n", millis());
@@ -63,17 +62,17 @@ bool Epub::parseContentOpf(const std::string& contentOpfFilePath) {
 
   if (!readItemContentsToStream(contentOpfFilePath, opfParser, 1024)) {
     Serial.printf("[%lu] [EBP] Could not read content.opf\n", millis());
-    opfParser.teardown();
     return false;
   }
 
   // Grab data from opfParser into epub
   title = opfParser.title;
+  if (!opfParser.coverItemId.empty() && opfParser.items.count(opfParser.coverItemId) > 0) {
+    coverImageItem = opfParser.items.at(opfParser.coverItemId);
+  }
 
-  if (opfParser.items.count("ncx")) {
-    tocNcxItem = opfParser.items.at("ncx");
-  } else if (opfParser.items.count("ncxtoc")) {
-    tocNcxItem = opfParser.items.at("ncxtoc");
+  if (!opfParser.tocNcxPath.empty()) {
+    tocNcxItem = opfParser.tocNcxPath;
   }
 
   for (auto& spineRef : opfParser.spineRefs) {
@@ -83,8 +82,6 @@ bool Epub::parseContentOpf(const std::string& contentOpfFilePath) {
   }
 
   Serial.printf("[%lu] [EBP] Successfully parsed content.opf\n", millis());
-
-  opfParser.teardown();
   return true;
 }
 
@@ -95,37 +92,53 @@ bool Epub::parseTocNcxFile() {
     return false;
   }
 
-  size_t tocSize;
-  if (!getItemSize(tocNcxItem, &tocSize)) {
-    Serial.printf("[%lu] [EBP] Could not get size of toc ncx\n", millis());
-    return false;
-  }
+  Serial.printf("[%lu] [EBP] Parsing toc ncx file: %s\n", millis(), tocNcxItem.c_str());
 
-  TocNcxParser ncxParser(contentBasePath, tocSize);
+  const auto tmpNcxPath = getCachePath() + "/toc.ncx";
+  File tempNcxFile = SD.open(tmpNcxPath.c_str(), FILE_WRITE);
+  readItemContentsToStream(tocNcxItem, tempNcxFile, 1024);
+  tempNcxFile.close();
+  tempNcxFile = SD.open(tmpNcxPath.c_str(), FILE_READ);
+  const auto ncxSize = tempNcxFile.size();
+
+  TocNcxParser ncxParser(contentBasePath, ncxSize);
 
   if (!ncxParser.setup()) {
     Serial.printf("[%lu] [EBP] Could not setup toc ncx parser\n", millis());
     return false;
   }
 
-  if (!readItemContentsToStream(tocNcxItem, ncxParser, 1024)) {
-    Serial.printf("[%lu] [EBP] Could not read toc ncx stream\n", millis());
-    ncxParser.teardown();
+  const auto ncxBuffer = static_cast<uint8_t*>(malloc(1024));
+  if (!ncxBuffer) {
+    Serial.printf("[%lu] [EBP] Could not allocate memory for toc ncx parser\n", millis());
     return false;
   }
 
+  while (tempNcxFile.available()) {
+    const auto readSize = tempNcxFile.read(ncxBuffer, 1024);
+    const auto processedSize = ncxParser.write(ncxBuffer, readSize);
+
+    if (processedSize != readSize) {
+      Serial.printf("[%lu] [EBP] Could not process all toc ncx data\n", millis());
+      free(ncxBuffer);
+      tempNcxFile.close();
+      return false;
+    }
+  }
+
+  free(ncxBuffer);
+  tempNcxFile.close();
+  SD.remove(tmpNcxPath.c_str());
+
   this->toc = std::move(ncxParser.toc);
 
   Serial.printf("[%lu] [EBP] Parsed %d TOC items\n", millis(), this->toc.size());
-
-  ncxParser.teardown();
   return true;
 }
 
 // load in the meta data for the epub file
 bool Epub::load() {
   Serial.printf("[%lu] [EBP] Loading ePub: %s\n", millis(), filepath.c_str());
-  ZipFile zip("/sd" + filepath);
 
   std::string contentOpfFilePath;
   if (!findContentOpfFile(&contentOpfFilePath)) {
@@ -147,11 +160,30 @@ bool Epub::load() {
     return false;
   }
 
+  initializeSpineItemSizes();
   Serial.printf("[%lu] [EBP] Loaded ePub: %s\n", millis(), filepath.c_str());
 
   return true;
 }
 
+void Epub::initializeSpineItemSizes() {
+  Serial.printf("[%lu] [EBP] Calculating book size\n", millis());
+
+  const size_t spineItemsCount = getSpineItemsCount();
+  size_t cumSpineItemSize = 0;
+  const ZipFile zip("/sd" + filepath);
+
+  for (size_t i = 0; i < spineItemsCount; i++) {
+    std::string spineItem = getSpineItem(i);
+    size_t s = 0;
+    getItemSize(zip, spineItem, &s);
+    cumSpineItemSize += s;
+    cumulativeSpineItemSize.emplace_back(cumSpineItemSize);
+  }
+
+  Serial.printf("[%lu] [EBP] Book size: %lu\n", millis(), cumSpineItemSize);
+}
+
 bool Epub::clearCache() const {
   if (!SD.exists(cachePath.c_str())) {
     Serial.printf("[%lu] [EPB] Cache does not exist, no action needed\n", millis());
@@ -187,7 +219,45 @@ const std::string& Epub::getPath() const { return filepath; }
 
 const std::string& Epub::getTitle() const { return title; }
 
-const std::string& Epub::getCoverImageItem() const { return coverImageItem; }
+std::string Epub::getCoverBmpPath() const { return cachePath + "/cover.bmp"; }
+
+bool Epub::generateCoverBmp() const {
+  // Already generated, return true
+  if (SD.exists(getCoverBmpPath().c_str())) {
+    return true;
+  }
+
+  if (coverImageItem.empty()) {
+    Serial.printf("[%lu] [EBP] No known cover image\n", millis());
+    return false;
+  }
+
+  if (coverImageItem.substr(coverImageItem.length() - 4) == ".jpg" ||
+      coverImageItem.substr(coverImageItem.length() - 5) == ".jpeg") {
+    Serial.printf("[%lu] [EBP] Generating BMP from JPG cover image\n", millis());
+    File coverJpg = SD.open((getCachePath() + "/.cover.jpg").c_str(), FILE_WRITE, true);
+    readItemContentsToStream(coverImageItem, coverJpg, 1024);
+    coverJpg.close();
+
+    coverJpg = SD.open((getCachePath() + "/.cover.jpg").c_str(), FILE_READ);
+    File coverBmp = SD.open(getCoverBmpPath().c_str(), FILE_WRITE, true);
+    const bool success = JpegToBmpConverter::jpegFileToBmpStream(coverJpg, coverBmp);
+    coverJpg.close();
+    coverBmp.close();
+    SD.remove((getCachePath() + "/.cover.jpg").c_str());
+
+    if (!success) {
+      Serial.printf("[%lu] [EBP] Failed to generate BMP from JPG cover image\n", millis());
+      SD.remove(getCoverBmpPath().c_str());
+    }
+    Serial.printf("[%lu] [EBP] Generated BMP from JPG cover image, success: %s\n", millis(), success ? "yes" : "no");
+    return success;
+  } else {
+    Serial.printf("[%lu] [EBP] Cover image is not a JPG, skipping\n", millis());
+  }
+
+  return false;
+}
 
 std::string normalisePath(const std::string& path) {
   std::vector<std::string> components;
@@ -247,15 +317,31 @@ bool Epub::readItemContentsToStream(const std::string& itemHref, Print& out, con
 
 bool Epub::getItemSize(const std::string& itemHref, size_t* size) const {
   const ZipFile zip("/sd" + filepath);
-  const std::string path = normalisePath(itemHref);
+  return getItemSize(zip, itemHref, size);
+}
 
+bool Epub::getItemSize(const ZipFile& zip, const std::string& itemHref, size_t* size) {
+  const std::string path = normalisePath(itemHref);
   return zip.getInflatedFileSize(path.c_str(), size);
 }
 
 int Epub::getSpineItemsCount() const { return spine.size(); }
 
+size_t Epub::getCumulativeSpineItemSize(const int spineIndex) const {
+  if (spineIndex < 0 || spineIndex >= static_cast<int>(cumulativeSpineItemSize.size())) {
+    Serial.printf("[%lu] [EBP] getCumulativeSpineItemSize index:%d is out of range\n", millis(), spineIndex);
+    return 0;
+  }
+  return cumulativeSpineItemSize.at(spineIndex);
+}
+
 std::string& Epub::getSpineItem(const int spineIndex) {
-  if (spineIndex < 0 || spineIndex >= spine.size()) {
+  static std::string emptyString;
+  if (spine.empty()) {
+    Serial.printf("[%lu] [EBP] getSpineItem called but spine is empty\n", millis());
+    return emptyString;
+  }
+  if (spineIndex < 0 || spineIndex >= static_cast<int>(spine.size())) {
     Serial.printf("[%lu] [EBP] getSpineItem index:%d is out of range\n", millis(), spineIndex);
     return spine.at(0).second;
   }
@@ -264,7 +350,12 @@ std::string& Epub::getSpineItem(const int spineIndex) {
 }
 
 EpubTocEntry& Epub::getTocItem(const int tocTndex) {
-  if (tocTndex < 0 || tocTndex >= toc.size()) {
+  static EpubTocEntry emptyEntry = {};
+  if (toc.empty()) {
+    Serial.printf("[%lu] [EBP] getTocItem called but toc is empty\n", millis());
+    return emptyEntry;
+  }
+  if (tocTndex < 0 || tocTndex >= static_cast<int>(toc.size())) {
     Serial.printf("[%lu] [EBP] getTocItem index:%d is out of range\n", millis(), tocTndex);
     return toc.at(0);
   }
@@ -276,6 +367,11 @@ int Epub::getTocItemsCount() const { return toc.size(); }
 
 // work out the section index for a toc index
 int Epub::getSpineIndexForTocIndex(const int tocIndex) const {
+  if (tocIndex < 0 || tocIndex >= toc.size()) {
+    Serial.printf("[%lu] [EBP] getSpineIndexForTocIndex: tocIndex %d out of range\n", millis(), tocIndex);
+    return 0;
+  }
+
   // the toc entry should have an href that matches the spine item
   // so we can find the spine index by looking for the href
   for (int i = 0; i < spine.size(); i++) {
@@ -290,6 +386,11 @@ int Epub::getSpineIndexForTocIndex(const int tocIndex) const {
 }
 
 int Epub::getTocIndexForSpineIndex(const int spineIndex) const {
+  if (spineIndex < 0 || spineIndex >= spine.size()) {
+    Serial.printf("[%lu] [EBP] getTocIndexForSpineIndex: spineIndex %d out of range\n", millis(), spineIndex);
+    return -1;
+  }
+
   // the toc entry should have an href that matches the spine item
   // so we can find the toc index by looking for the href
   for (int i = 0; i < toc.size(); i++) {
@@ -301,3 +402,22 @@ int Epub::getTocIndexForSpineIndex(const int spineIndex) const {
   Serial.printf("[%lu] [EBP] TOC item not found\n", millis());
   return -1;
 }
+
+size_t Epub::getBookSize() const {
+  if (spine.empty()) {
+    return 0;
+  }
+  return getCumulativeSpineItemSize(getSpineItemsCount() - 1);
+}
+
+// Calculate progress in book
+uint8_t Epub::calculateProgress(const int currentSpineIndex, const float currentSpineRead) {
+  size_t bookSize = getBookSize();
+  if (bookSize == 0) {
+    return 0;
+  }
+  size_t prevChapterSize = (currentSpineIndex >= 1) ? getCumulativeSpineItemSize(currentSpineIndex - 1) : 0;
+  size_t curChapterSize = getCumulativeSpineItemSize(currentSpineIndex) - prevChapterSize;
+  size_t sectionProgSize = currentSpineRead * curChapterSize;
+  return round(static_cast<float>(prevChapterSize + sectionProgSize) / bookSize * 100.0);
+}

lib/Epub/Epub.h

@@ -20,6 +20,8 @@ class Epub {
   std::string filepath;
   // the spine of the EPUB file
   std::vector<std::pair<std::string, std::string>> spine;
+  // the file size of the spine items (proxy to book progress)
+  std::vector<size_t> cumulativeSpineItemSize;
   // the toc of the EPUB file
   std::vector<EpubTocEntry> toc;
   // the base path for items in the EPUB file
@@ -30,6 +32,8 @@ class Epub {
   bool findContentOpfFile(std::string* contentOpfFile) const;
   bool parseContentOpf(const std::string& contentOpfFilePath);
   bool parseTocNcxFile();
+  void initializeSpineItemSizes();
+  static bool getItemSize(const ZipFile& zip, const std::string& itemHref, size_t* size);
 
  public:
   explicit Epub(std::string filepath, const std::string& cacheDir) : filepath(std::move(filepath)) {
@@ -44,15 +48,20 @@ class Epub {
   const std::string& getCachePath() const;
   const std::string& getPath() const;
   const std::string& getTitle() const;
-  const std::string& getCoverImageItem() const;
+  std::string getCoverBmpPath() const;
+  bool generateCoverBmp() const;
   uint8_t* readItemContentsToBytes(const std::string& itemHref, size_t* size = nullptr,
                                    bool trailingNullByte = false) const;
   bool readItemContentsToStream(const std::string& itemHref, Print& out, size_t chunkSize) const;
   bool getItemSize(const std::string& itemHref, size_t* size) const;
   std::string& getSpineItem(int spineIndex);
   int getSpineItemsCount() const;
-  EpubTocEntry& getTocItem(int tocTndex);
+  size_t getCumulativeSpineItemSize(const int spineIndex) const;
+  EpubTocEntry& getTocItem(int tocIndex);
   int getTocItemsCount() const;
   int getSpineIndexForTocIndex(int tocIndex) const;
   int getTocIndexForSpineIndex(int spineIndex) const;
+
+  size_t getBookSize() const;
+  uint8_t calculateProgress(const int currentSpineIndex, const float currentSpineRead);
 };

lib/Epub/Epub/EpubTocEntry.h

@@ -2,12 +2,9 @@
 
 #include <string>
 
-class EpubTocEntry {
- public:
+struct EpubTocEntry {
   std::string title;
   std::string href;
   std::string anchor;
-  int level;
-  EpubTocEntry(std::string title, std::string href, std::string anchor, const int level)
-      : title(std::move(title)), href(std::move(href)), anchor(std::move(anchor)), level(level) {}
+  uint8_t level;
 };

lib/Epub/Epub/Page.cpp

@@ -3,7 +3,9 @@
 #include <HardwareSerial.h>
 #include <Serialization.h>
 
+namespace {
 constexpr uint8_t PAGE_FILE_VERSION = 3;
+}
 
 void PageLine::render(GfxRenderer& renderer, const int fontId) { block->render(renderer, fontId, xPos, yPos); }
 

lib/Epub/Epub/ParsedText.cpp

@@ -19,18 +19,35 @@ void ParsedText::addWord(std::string word, const EpdFontStyle fontStyle) {
 
 // Consumes data to minimize memory usage
 void ParsedText::layoutAndExtractLines(const GfxRenderer& renderer, const int fontId, const int horizontalMargin,
-                                       const std::function<void(std::shared_ptr<TextBlock>)>& processLine) {
+                                       const std::function<void(std::shared_ptr<TextBlock>)>& processLine,
+                                       const bool includeLastLine) {
   if (words.empty()) {
     return;
   }
 
-  const size_t totalWordCount = words.size();
   const int pageWidth = renderer.getScreenWidth() - horizontalMargin;
   const int spaceWidth = renderer.getSpaceWidth(fontId);
+  const auto wordWidths = calculateWordWidths(renderer, fontId);
+  const auto lineBreakIndices = computeLineBreaks(pageWidth, spaceWidth, wordWidths);
+  const size_t lineCount = includeLastLine ? lineBreakIndices.size() : lineBreakIndices.size() - 1;
+
+  for (size_t i = 0; i < lineCount; ++i) {
+    extractLine(i, pageWidth, spaceWidth, wordWidths, lineBreakIndices, processLine);
+  }
+}
+
+std::vector<uint16_t> ParsedText::calculateWordWidths(const GfxRenderer& renderer, const int fontId) {
+  const size_t totalWordCount = words.size();
 
   std::vector<uint16_t> wordWidths;
   wordWidths.reserve(totalWordCount);
 
+  // add em-space at the beginning of first word in paragraph to indent
+  if (!extraParagraphSpacing) {
+    std::string& first_word = words.front();
+    first_word.insert(0, "\xe2\x80\x83");
+  }
+
   auto wordsIt = words.begin();
   auto wordStylesIt = wordStyles.begin();
 
@@ -41,6 +58,13 @@ void ParsedText::layoutAndExtractLines(const GfxRenderer& renderer, const int fo
     std::advance(wordStylesIt, 1);
   }
 
+  return wordWidths;
+}
+
+std::vector<size_t> ParsedText::computeLineBreaks(const int pageWidth, const int spaceWidth,
+                                                  const std::vector<uint16_t>& wordWidths) const {
+  const size_t totalWordCount = words.size();
+
   // DP table to store the minimum badness (cost) of lines starting at index i
   std::vector<int> dp(totalWordCount);
   // 'ans[i]' stores the index 'j' of the *last word* in the optimal line starting at 'i'
@@ -100,65 +124,59 @@ void ParsedText::layoutAndExtractLines(const GfxRenderer& renderer, const int fo
     currentWordIndex = nextBreakIndex;
   }
 
-  // Initialize iterators for consumption
-  auto wordStartIt = words.begin();
-  auto wordStyleStartIt = wordStyles.begin();
-  size_t wordWidthIndex = 0;
-
-  size_t lastBreakAt = 0;
-  for (const size_t lineBreak : lineBreakIndices) {
-    const size_t lineWordCount = lineBreak - lastBreakAt;
-
-    // Calculate end iterators for the range to splice
-    auto wordEndIt = wordStartIt;
-    auto wordStyleEndIt = wordStyleStartIt;
-    std::advance(wordEndIt, lineWordCount);
-    std::advance(wordStyleEndIt, lineWordCount);
-
-    // Calculate total word width for this line
-    int lineWordWidthSum = 0;
-    for (size_t i = 0; i < lineWordCount; ++i) {
-      lineWordWidthSum += wordWidths[wordWidthIndex + i];
-    }
-
-    // Calculate spacing
-    const int spareSpace = pageWidth - lineWordWidthSum;
-    int spacing = spaceWidth;
-    const bool isLastLine = lineBreak == totalWordCount;
-
-    if (style == TextBlock::JUSTIFIED && !isLastLine && lineWordCount >= 2) {
-      spacing = spareSpace / (lineWordCount - 1);
-    }
-
-    // Calculate initial x position
-    uint16_t xpos = 0;
-    if (style == TextBlock::RIGHT_ALIGN) {
-      xpos = spareSpace - (lineWordCount - 1) * spaceWidth;
-    } else if (style == TextBlock::CENTER_ALIGN) {
-      xpos = (spareSpace - (lineWordCount - 1) * spaceWidth) / 2;
-    }
-
-    // Pre-calculate X positions for words
-    std::list<uint16_t> lineXPos;
-    for (size_t i = 0; i < lineWordCount; ++i) {
-      const uint16_t currentWordWidth = wordWidths[wordWidthIndex + i];
-      lineXPos.push_back(xpos);
-      xpos += currentWordWidth + spacing;
-    }
-
-    // *** CRITICAL STEP: CONSUME DATA USING SPLICE ***
-    std::list<std::string> lineWords;
-    lineWords.splice(lineWords.begin(), words, wordStartIt, wordEndIt);
-    std::list<EpdFontStyle> lineWordStyles;
-    lineWordStyles.splice(lineWordStyles.begin(), wordStyles, wordStyleStartIt, wordStyleEndIt);
-
-    processLine(
-        std::make_shared<TextBlock>(std::move(lineWords), std::move(lineXPos), std::move(lineWordStyles), style));
-
-    // Update pointers/indices for the next line
-    wordStartIt = wordEndIt;
-    wordStyleStartIt = wordStyleEndIt;
-    wordWidthIndex += lineWordCount;
-    lastBreakAt = lineBreak;
+  return lineBreakIndices;
+}
+
+void ParsedText::extractLine(const size_t breakIndex, const int pageWidth, const int spaceWidth,
+                             const std::vector<uint16_t>& wordWidths, const std::vector<size_t>& lineBreakIndices,
+                             const std::function<void(std::shared_ptr<TextBlock>)>& processLine) {
+  const size_t lineBreak = lineBreakIndices[breakIndex];
+  const size_t lastBreakAt = breakIndex > 0 ? lineBreakIndices[breakIndex - 1] : 0;
+  const size_t lineWordCount = lineBreak - lastBreakAt;
+
+  // Calculate total word width for this line
+  int lineWordWidthSum = 0;
+  for (size_t i = lastBreakAt; i < lineBreak; i++) {
+    lineWordWidthSum += wordWidths[i];
   }
+
+  // Calculate spacing
+  const int spareSpace = pageWidth - lineWordWidthSum;
+
+  int spacing = spaceWidth;
+  const bool isLastLine = breakIndex == lineBreakIndices.size() - 1;
+
+  if (style == TextBlock::JUSTIFIED && !isLastLine && lineWordCount >= 2) {
+    spacing = spareSpace / (lineWordCount - 1);
+  }
+
+  // Calculate initial x position
+  uint16_t xpos = 0;
+  if (style == TextBlock::RIGHT_ALIGN) {
+    xpos = spareSpace - (lineWordCount - 1) * spaceWidth;
+  } else if (style == TextBlock::CENTER_ALIGN) {
+    xpos = (spareSpace - (lineWordCount - 1) * spaceWidth) / 2;
+  }
+
+  // Pre-calculate X positions for words
+  std::list<uint16_t> lineXPos;
+  for (size_t i = lastBreakAt; i < lineBreak; i++) {
+    const uint16_t currentWordWidth = wordWidths[i];
+    lineXPos.push_back(xpos);
+    xpos += currentWordWidth + spacing;
+  }
+
+  // Iterators always start at the beginning as we are moving content with splice below
+  auto wordEndIt = words.begin();
+  auto wordStyleEndIt = wordStyles.begin();
+  std::advance(wordEndIt, lineWordCount);
+  std::advance(wordStyleEndIt, lineWordCount);
+
+  // *** CRITICAL STEP: CONSUME DATA USING SPLICE ***
+  std::list<std::string> lineWords;
+  lineWords.splice(lineWords.begin(), words, words.begin(), wordEndIt);
+  std::list<EpdFontStyle> lineWordStyles;
+  lineWordStyles.splice(lineWordStyles.begin(), wordStyles, wordStyles.begin(), wordStyleEndIt);
+
+  processLine(std::make_shared<TextBlock>(std::move(lineWords), std::move(lineXPos), std::move(lineWordStyles), style));
 }

lib/Epub/Epub/ParsedText.h

@@ -2,11 +2,11 @@
 
 #include <EpdFontFamily.h>
 
-#include <cstdint>
 #include <functional>
 #include <list>
 #include <memory>
 #include <string>
+#include <vector>
 
 #include "blocks/TextBlock.h"
 
@@ -16,15 +16,25 @@ class ParsedText {
   std::list<std::string> words;
   std::list<EpdFontStyle> wordStyles;
   TextBlock::BLOCK_STYLE style;
+  bool extraParagraphSpacing;
+
+  std::vector<size_t> computeLineBreaks(int pageWidth, int spaceWidth, const std::vector<uint16_t>& wordWidths) const;
+  void extractLine(size_t breakIndex, int pageWidth, int spaceWidth, const std::vector<uint16_t>& wordWidths,
+                   const std::vector<size_t>& lineBreakIndices,
+                   const std::function<void(std::shared_ptr<TextBlock>)>& processLine);
+  std::vector<uint16_t> calculateWordWidths(const GfxRenderer& renderer, int fontId);
 
  public:
-  explicit ParsedText(const TextBlock::BLOCK_STYLE style) : style(style) {}
+  explicit ParsedText(const TextBlock::BLOCK_STYLE style, const bool extraParagraphSpacing)
+      : style(style), extraParagraphSpacing(extraParagraphSpacing) {}
   ~ParsedText() = default;
 
   void addWord(std::string word, EpdFontStyle fontStyle);
   void setStyle(const TextBlock::BLOCK_STYLE style) { this->style = style; }
   TextBlock::BLOCK_STYLE getStyle() const { return style; }
+  size_t size() const { return words.size(); }
   bool isEmpty() const { return words.empty(); }
   void layoutAndExtractLines(const GfxRenderer& renderer, int fontId, int horizontalMargin,
-                             const std::function<void(std::shared_ptr<TextBlock>)>& processLine);
+                             const std::function<void(std::shared_ptr<TextBlock>)>& processLine,
+                             bool includeLastLine = true);
 };

lib/Epub/Epub/Section.cpp

@@ -9,7 +9,9 @@
 #include "Page.h"
 #include "parsers/ChapterHtmlSlimParser.h"
 
-constexpr uint8_t SECTION_FILE_VERSION = 4;
+namespace {
+constexpr uint8_t SECTION_FILE_VERSION = 5;
+}
 
 void Section::onPageComplete(std::unique_ptr<Page> page) {
   const auto filePath = cachePath + "/page_" + std::to_string(pageCount) + ".bin";
@@ -24,7 +26,8 @@ void Section::onPageComplete(std::unique_ptr<Page> page) {
 }
 
 void Section::writeCacheMetadata(const int fontId, const float lineCompression, const int marginTop,
-                                 const int marginRight, const int marginBottom, const int marginLeft) const {
+                                 const int marginRight, const int marginBottom, const int marginLeft,
+                                 const bool extraParagraphSpacing) const {
   std::ofstream outputFile(("/sd" + cachePath + "/section.bin").c_str());
   serialization::writePod(outputFile, SECTION_FILE_VERSION);
   serialization::writePod(outputFile, fontId);
@@ -33,12 +36,14 @@ void Section::writeCacheMetadata(const int fontId, const float lineCompression,
   serialization::writePod(outputFile, marginRight);
   serialization::writePod(outputFile, marginBottom);
   serialization::writePod(outputFile, marginLeft);
+  serialization::writePod(outputFile, extraParagraphSpacing);
   serialization::writePod(outputFile, pageCount);
   outputFile.close();
 }
 
 bool Section::loadCacheMetadata(const int fontId, const float lineCompression, const int marginTop,
-                                const int marginRight, const int marginBottom, const int marginLeft) {
+                                const int marginRight, const int marginBottom, const int marginLeft,
+                                const bool extraParagraphSpacing) {
   if (!SD.exists(cachePath.c_str())) {
     return false;
   }
@@ -63,15 +68,18 @@ bool Section::loadCacheMetadata(const int fontId, const float lineCompression, c
 
     int fileFontId, fileMarginTop, fileMarginRight, fileMarginBottom, fileMarginLeft;
     float fileLineCompression;
+    bool fileExtraParagraphSpacing;
     serialization::readPod(inputFile, fileFontId);
     serialization::readPod(inputFile, fileLineCompression);
     serialization::readPod(inputFile, fileMarginTop);
     serialization::readPod(inputFile, fileMarginRight);
     serialization::readPod(inputFile, fileMarginBottom);
     serialization::readPod(inputFile, fileMarginLeft);
+    serialization::readPod(inputFile, fileExtraParagraphSpacing);
 
     if (fontId != fileFontId || lineCompression != fileLineCompression || marginTop != fileMarginTop ||
-        marginRight != fileMarginRight || marginBottom != fileMarginBottom || marginLeft != fileMarginLeft) {
+        marginRight != fileMarginRight || marginBottom != fileMarginBottom || marginLeft != fileMarginLeft ||
+        extraParagraphSpacing != fileExtraParagraphSpacing) {
       inputFile.close();
       Serial.printf("[%lu] [SCT] Deserialization failed: Parameters do not match\n", millis());
       clearCache();
@@ -107,7 +115,8 @@ bool Section::clearCache() const {
 }
 
 bool Section::persistPageDataToSD(const int fontId, const float lineCompression, const int marginTop,
-                                  const int marginRight, const int marginBottom, const int marginLeft) {
+                                  const int marginRight, const int marginBottom, const int marginLeft,
+                                  const bool extraParagraphSpacing) {
   const auto localPath = epub->getSpineItem(spineIndex);
 
   // TODO: Should we get rid of this file all together?
@@ -128,7 +137,7 @@ bool Section::persistPageDataToSD(const int fontId, const float lineCompression,
   const auto sdTmpHtmlPath = "/sd" + tmpHtmlPath;
 
   ChapterHtmlSlimParser visitor(sdTmpHtmlPath.c_str(), renderer, fontId, lineCompression, marginTop, marginRight,
-                                marginBottom, marginLeft,
+                                marginBottom, marginLeft, extraParagraphSpacing,
                                 [this](std::unique_ptr<Page> page) { this->onPageComplete(std::move(page)); });
   success = visitor.parseAndBuildPages();
 
@@ -138,7 +147,7 @@ bool Section::persistPageDataToSD(const int fontId, const float lineCompression,
     return false;
   }
 
-  writeCacheMetadata(fontId, lineCompression, marginTop, marginRight, marginBottom, marginLeft);
+  writeCacheMetadata(fontId, lineCompression, marginTop, marginRight, marginBottom, marginLeft, extraParagraphSpacing);
 
   return true;
 }

lib/Epub/Epub/Section.h

@@ -13,7 +13,7 @@ class Section {
   std::string cachePath;
 
   void writeCacheMetadata(int fontId, float lineCompression, int marginTop, int marginRight, int marginBottom,
-                          int marginLeft) const;
+                          int marginLeft, bool extraParagraphSpacing) const;
   void onPageComplete(std::unique_ptr<Page> page);
 
  public:
@@ -21,15 +21,16 @@ class Section {
   int currentPage = 0;
 
   explicit Section(const std::shared_ptr<Epub>& epub, const int spineIndex, GfxRenderer& renderer)
-      : epub(epub), spineIndex(spineIndex), renderer(renderer) {
-    cachePath = epub->getCachePath() + "/" + std::to_string(spineIndex);
-  }
+      : epub(epub),
+        spineIndex(spineIndex),
+        renderer(renderer),
+        cachePath(epub->getCachePath() + "/" + std::to_string(spineIndex)) {}
   ~Section() = default;
   bool loadCacheMetadata(int fontId, float lineCompression, int marginTop, int marginRight, int marginBottom,
-                         int marginLeft);
+                         int marginLeft, bool extraParagraphSpacing);
   void setupCacheDir() const;
   bool clearCache() const;
   bool persistPageDataToSD(int fontId, float lineCompression, int marginTop, int marginRight, int marginBottom,
-                           int marginLeft);
+                           int marginLeft, bool extraParagraphSpacing);
   std::unique_ptr<Page> loadPageFromSD() const;
 };

lib/Epub/Epub/parsers/ChapterHtmlSlimParser.cpp

@@ -25,7 +25,7 @@ constexpr int NUM_IMAGE_TAGS = sizeof(IMAGE_TAGS) / sizeof(IMAGE_TAGS[0]);
 const char* SKIP_TAGS[] = {"head", "table"};
 constexpr int NUM_SKIP_TAGS = sizeof(SKIP_TAGS) / sizeof(SKIP_TAGS[0]);
 
-bool isWhitespace(const char c) { return c == ' ' || c == '\r' || c == '\n'; }
+bool isWhitespace(const char c) { return c == ' ' || c == '\r' || c == '\n' || c == '\t'; }
 
 // given the start and end of a tag, check to see if it matches a known tag
 bool matches(const char* tag_name, const char* possible_tags[], const int possible_tag_count) {
@@ -48,7 +48,7 @@ void ChapterHtmlSlimParser::startNewTextBlock(const TextBlock::BLOCK_STYLE style
 
     makePages();
   }
-  currentTextBlock.reset(new ParsedText(style));
+  currentTextBlock.reset(new ParsedText(style, extraParagraphSpacing));
 }
 
 void XMLCALL ChapterHtmlSlimParser::startElement(void* userData, const XML_Char* name, const XML_Char** atts) {
@@ -75,6 +75,18 @@ void XMLCALL ChapterHtmlSlimParser::startElement(void* userData, const XML_Char*
     return;
   }
 
+  // Skip blocks with role="doc-pagebreak" and epub:type="pagebreak"
+  if (atts != nullptr) {
+    for (int i = 0; atts[i]; i += 2) {
+      if (strcmp(atts[i], "role") == 0 && strcmp(atts[i + 1], "doc-pagebreak") == 0 ||
+          strcmp(atts[i], "epub:type") == 0 && strcmp(atts[i + 1], "pagebreak") == 0) {
+        self->skipUntilDepth = self->depth;
+        self->depth += 1;
+        return;
+      }
+    }
+  }
+
   if (matches(name, HEADER_TAGS, NUM_HEADER_TAGS)) {
     self->startNewTextBlock(TextBlock::CENTER_ALIGN);
     self->boldUntilDepth = min(self->boldUntilDepth, self->depth);
@@ -131,6 +143,17 @@ void XMLCALL ChapterHtmlSlimParser::characterData(void* userData, const XML_Char
 
     self->partWordBuffer[self->partWordBufferIndex++] = s[i];
   }
+
+  // If we have > 750 words buffered up, perform the layout and consume out all but the last line
+  // There should be enough here to build out 1-2 full pages and doing this will free up a lot of
+  // memory.
+  // Spotted when reading Intermezzo, there are some really long text blocks in there.
+  if (self->currentTextBlock->size() > 750) {
+    Serial.printf("[%lu] [EHP] Text block too long, splitting into multiple pages\n", millis());
+    self->currentTextBlock->layoutAndExtractLines(
+        self->renderer, self->fontId, self->marginLeft + self->marginRight,
+        [self](const std::shared_ptr<TextBlock>& textBlock) { self->addLineToPage(textBlock); }, false);
+  }
 }
 
 void XMLCALL ChapterHtmlSlimParser::endElement(void* userData, const XML_Char* name) {
@@ -274,6 +297,8 @@ void ChapterHtmlSlimParser::makePages() {
   currentTextBlock->layoutAndExtractLines(
       renderer, fontId, marginLeft + marginRight,
       [this](const std::shared_ptr<TextBlock>& textBlock) { addLineToPage(textBlock); });
-  // Extra paragrpah spacing
-  currentPageNextY += lineHeight / 2;
+  // Extra paragraph spacing if enabled
+  if (extraParagraphSpacing) {
+    currentPageNextY += lineHeight / 2;
+  }
 }

lib/Epub/Epub/parsers/ChapterHtmlSlimParser.h

@@ -35,6 +35,7 @@ class ChapterHtmlSlimParser {
   int marginRight;
   int marginBottom;
   int marginLeft;
+  bool extraParagraphSpacing;
 
   void startNewTextBlock(TextBlock::BLOCK_STYLE style);
   void makePages();
@@ -46,7 +47,7 @@ class ChapterHtmlSlimParser {
  public:
   explicit ChapterHtmlSlimParser(const char* filepath, GfxRenderer& renderer, const int fontId,
                                  const float lineCompression, const int marginTop, const int marginRight,
-                                 const int marginBottom, const int marginLeft,
+                                 const int marginBottom, const int marginLeft, const bool extraParagraphSpacing,
                                  const std::function<void(std::unique_ptr<Page>)>& completePageFn)
       : filepath(filepath),
         renderer(renderer),
@@ -56,6 +57,7 @@ class ChapterHtmlSlimParser {
         marginRight(marginRight),
         marginBottom(marginBottom),
         marginLeft(marginLeft),
+        extraParagraphSpacing(extraParagraphSpacing),
         completePageFn(completePageFn) {}
   ~ChapterHtmlSlimParser() = default;
   bool parseAndBuildPages();

lib/Epub/Epub/parsers/ContainerParser.cpp

@@ -14,12 +14,11 @@ bool ContainerParser::setup() {
   return true;
 }
 
-bool ContainerParser::teardown() {
+ContainerParser::~ContainerParser() {
   if (parser) {
     XML_ParserFree(parser);
     parser = nullptr;
   }
-  return true;
 }
 
 size_t ContainerParser::write(const uint8_t data) { return write(&data, 1); }

lib/Epub/Epub/parsers/ContainerParser.h

@@ -23,9 +23,9 @@ class ContainerParser final : public Print {
   std::string fullPath;
 
   explicit ContainerParser(const size_t xmlSize) : remainingSize(xmlSize) {}
+  ~ContainerParser() override;
 
   bool setup();
-  bool teardown();
 
   size_t write(uint8_t) override;
   size_t write(const uint8_t* buffer, size_t size) override;

lib/Epub/Epub/parsers/ContentOpfParser.cpp

@@ -3,6 +3,10 @@
 #include <HardwareSerial.h>
 #include <ZipFile.h>
 
+namespace {
+constexpr char MEDIA_TYPE_NCX[] = "application/x-dtbncx+xml";
+}
+
 bool ContentOpfParser::setup() {
   parser = XML_ParserCreate(nullptr);
   if (!parser) {
@@ -16,12 +20,11 @@ bool ContentOpfParser::setup() {
   return true;
 }
 
-bool ContentOpfParser::teardown() {
+ContentOpfParser::~ContentOpfParser() {
   if (parser) {
     XML_ParserFree(parser);
     parser = nullptr;
   }
-  return true;
 }
 
 size_t ContentOpfParser::write(const uint8_t data) { return write(&data, 1); }
@@ -90,23 +93,49 @@ void XMLCALL ContentOpfParser::startElement(void* userData, const XML_Char* name
     return;
   }
 
-  // TODO: Support book cover
-  // if (self->state == IN_METADATA && (strcmp(name, "meta") == 0 || strcmp(name, "opf:meta") == 0)) {
-  // }
+  if (self->state == IN_METADATA && (strcmp(name, "meta") == 0 || strcmp(name, "opf:meta") == 0)) {
+    bool isCover = false;
+    std::string coverItemId;
+
+    for (int i = 0; atts[i]; i += 2) {
+      if (strcmp(atts[i], "name") == 0 && strcmp(atts[i + 1], "cover") == 0) {
+        isCover = true;
+      } else if (strcmp(atts[i], "content") == 0) {
+        coverItemId = atts[i + 1];
+      }
+    }
+
+    if (isCover) {
+      self->coverItemId = coverItemId;
+    }
+    return;
+  }
 
   if (self->state == IN_MANIFEST && (strcmp(name, "item") == 0 || strcmp(name, "opf:item") == 0)) {
     std::string itemId;
     std::string href;
+    std::string mediaType;
 
     for (int i = 0; atts[i]; i += 2) {
       if (strcmp(atts[i], "id") == 0) {
         itemId = atts[i + 1];
       } else if (strcmp(atts[i], "href") == 0) {
         href = self->baseContentPath + atts[i + 1];
+      } else if (strcmp(atts[i], "media-type") == 0) {
+        mediaType = atts[i + 1];
       }
     }
 
     self->items[itemId] = href;
+
+    if (mediaType == MEDIA_TYPE_NCX) {
+      if (self->tocNcxPath.empty()) {
+        self->tocNcxPath = href;
+      } else {
+        Serial.printf("[%lu] [COF] Warning: Multiple NCX files found in manifest. Ignoring duplicate: %s\n", millis(),
+                      href.c_str());
+      }
+    }
     return;
   }
 

lib/Epub/Epub/parsers/ContentOpfParser.h

@@ -28,14 +28,15 @@ class ContentOpfParser final : public Print {
  public:
   std::string title;
   std::string tocNcxPath;
+  std::string coverItemId;
   std::map<std::string, std::string> items;
   std::vector<std::string> spineRefs;
 
   explicit ContentOpfParser(const std::string& baseContentPath, const size_t xmlSize)
       : baseContentPath(baseContentPath), remainingSize(xmlSize) {}
+  ~ContentOpfParser() override;
 
   bool setup();
-  bool teardown();
 
   size_t write(uint8_t) override;
   size_t write(const uint8_t* buffer, size_t size) override;

lib/Epub/Epub/parsers/TocNcxParser.cpp

@@ -1,5 +1,6 @@
 #include "TocNcxParser.h"
 
+#include <Esp.h>
 #include <HardwareSerial.h>
 
 bool TocNcxParser::setup() {
@@ -15,12 +16,11 @@ bool TocNcxParser::setup() {
   return true;
 }
 
-bool TocNcxParser::teardown() {
+TocNcxParser::~TocNcxParser() {
   if (parser) {
     XML_ParserFree(parser);
     parser = nullptr;
   }
-  return true;
 }
 
 size_t TocNcxParser::write(const uint8_t data) { return write(&data, 1); }
@@ -155,7 +155,7 @@ void XMLCALL TocNcxParser::endElement(void* userData, const XML_Char* name) {
       }
 
       // Push to vector
-      self->toc.emplace_back(self->currentLabel, href, anchor, self->currentDepth);
+      self->toc.push_back({std::move(self->currentLabel), std::move(href), std::move(anchor), self->currentDepth});
 
       // Clear them so we don't re-add them if there are weird XML structures
       self->currentLabel.clear();

lib/Epub/Epub/parsers/TocNcxParser.h

@@ -17,7 +17,7 @@ class TocNcxParser final : public Print {
 
   std::string currentLabel;
   std::string currentSrc;
-  size_t currentDepth = 0;
+  uint8_t currentDepth = 0;
 
   static void startElement(void* userData, const XML_Char* name, const XML_Char** atts);
   static void characterData(void* userData, const XML_Char* s, int len);
@@ -28,9 +28,9 @@ class TocNcxParser final : public Print {
 
   explicit TocNcxParser(const std::string& baseContentPath, const size_t xmlSize)
       : baseContentPath(baseContentPath), remainingSize(xmlSize) {}
+  ~TocNcxParser() override;
 
   bool setup();
-  bool teardown();
 
   size_t write(uint8_t) override;
   size_t write(const uint8_t* buffer, size_t size) override;

lib/GfxRenderer/Bitmap.cpp

@@ -0,0 +1,200 @@
+#include "Bitmap.h"
+
+#include <cstdlib>
+#include <cstring>
+
+uint16_t Bitmap::readLE16(File& f) {
+  const int c0 = f.read();
+  const int c1 = f.read();
+  const auto b0 = static_cast<uint8_t>(c0 < 0 ? 0 : c0);
+  const auto b1 = static_cast<uint8_t>(c1 < 0 ? 0 : c1);
+  return static_cast<uint16_t>(b0) | (static_cast<uint16_t>(b1) << 8);
+}
+
+uint32_t Bitmap::readLE32(File& f) {
+  const int c0 = f.read();
+  const int c1 = f.read();
+  const int c2 = f.read();
+  const int c3 = f.read();
+
+  const auto b0 = static_cast<uint8_t>(c0 < 0 ? 0 : c0);
+  const auto b1 = static_cast<uint8_t>(c1 < 0 ? 0 : c1);
+  const auto b2 = static_cast<uint8_t>(c2 < 0 ? 0 : c2);
+  const auto b3 = static_cast<uint8_t>(c3 < 0 ? 0 : c3);
+
+  return static_cast<uint32_t>(b0) | (static_cast<uint32_t>(b1) << 8) | (static_cast<uint32_t>(b2) << 16) |
+         (static_cast<uint32_t>(b3) << 24);
+}
+
+const char* Bitmap::errorToString(BmpReaderError err) {
+  switch (err) {
+    case BmpReaderError::Ok:
+      return "Ok";
+    case BmpReaderError::FileInvalid:
+      return "FileInvalid";
+    case BmpReaderError::SeekStartFailed:
+      return "SeekStartFailed";
+    case BmpReaderError::NotBMP:
+      return "NotBMP (missing 'BM')";
+    case BmpReaderError::DIBTooSmall:
+      return "DIBTooSmall (<40 bytes)";
+    case BmpReaderError::BadPlanes:
+      return "BadPlanes (!= 1)";
+    case BmpReaderError::UnsupportedBpp:
+      return "UnsupportedBpp (expected 1, 2, 8, 24, or 32)";
+    case BmpReaderError::UnsupportedCompression:
+      return "UnsupportedCompression (expected BI_RGB or BI_BITFIELDS for 32bpp)";
+    case BmpReaderError::BadDimensions:
+      return "BadDimensions";
+    case BmpReaderError::PaletteTooLarge:
+      return "PaletteTooLarge";
+
+    case BmpReaderError::SeekPixelDataFailed:
+      return "SeekPixelDataFailed";
+    case BmpReaderError::BufferTooSmall:
+      return "BufferTooSmall";
+
+    case BmpReaderError::OomRowBuffer:
+      return "OomRowBuffer";
+    case BmpReaderError::ShortReadRow:
+      return "ShortReadRow";
+  }
+  return "Unknown";
+}
+
+BmpReaderError Bitmap::parseHeaders() {
+  if (!file) return BmpReaderError::FileInvalid;
+  if (!file.seek(0)) return BmpReaderError::SeekStartFailed;
+
+  // --- BMP FILE HEADER ---
+  const uint16_t bfType = readLE16(file);
+  if (bfType != 0x4D42) return BmpReaderError::NotBMP;
+
+  file.seek(8, SeekCur);
+  bfOffBits = readLE32(file);
+
+  // --- DIB HEADER ---
+  const uint32_t biSize = readLE32(file);
+  if (biSize < 40) return BmpReaderError::DIBTooSmall;
+
+  width = static_cast<int32_t>(readLE32(file));
+  const auto rawHeight = static_cast<int32_t>(readLE32(file));
+  topDown = rawHeight < 0;
+  height = topDown ? -rawHeight : rawHeight;
+
+  const uint16_t planes = readLE16(file);
+  bpp = readLE16(file);
+  const uint32_t comp = readLE32(file);
+  const bool validBpp = bpp == 1 || bpp == 2 || bpp == 8 || bpp == 24 || bpp == 32;
+
+  if (planes != 1) return BmpReaderError::BadPlanes;
+  if (!validBpp) return BmpReaderError::UnsupportedBpp;
+  // Allow BI_RGB (0) for all, and BI_BITFIELDS (3) for 32bpp which is common for BGRA masks.
+  if (!(comp == 0 || (bpp == 32 && comp == 3))) return BmpReaderError::UnsupportedCompression;
+
+  file.seek(12, SeekCur);  // biSizeImage, biXPelsPerMeter, biYPelsPerMeter
+  const uint32_t colorsUsed = readLE32(file);
+  if (colorsUsed > 256u) return BmpReaderError::PaletteTooLarge;
+  file.seek(4, SeekCur);  // biClrImportant
+
+  if (width <= 0 || height <= 0) return BmpReaderError::BadDimensions;
+
+  // Pre-calculate Row Bytes to avoid doing this every row
+  rowBytes = (width * bpp + 31) / 32 * 4;
+
+  for (int i = 0; i < 256; i++) paletteLum[i] = static_cast<uint8_t>(i);
+  if (colorsUsed > 0) {
+    for (uint32_t i = 0; i < colorsUsed; i++) {
+      uint8_t rgb[4];
+      file.read(rgb, 4);  // Read B, G, R, Reserved in one go
+      paletteLum[i] = (77u * rgb[2] + 150u * rgb[1] + 29u * rgb[0]) >> 8;
+    }
+  }
+
+  if (!file.seek(bfOffBits)) {
+    return BmpReaderError::SeekPixelDataFailed;
+  }
+
+  return BmpReaderError::Ok;
+}
+
+// packed 2bpp output, 0 = black, 1 = dark gray, 2 = light gray, 3 = white
+BmpReaderError Bitmap::readRow(uint8_t* data, uint8_t* rowBuffer) const {
+  // Note: rowBuffer should be pre-allocated by the caller to size 'rowBytes'
+  if (file.read(rowBuffer, rowBytes) != rowBytes) return BmpReaderError::ShortReadRow;
+
+  uint8_t* outPtr = data;
+  uint8_t currentOutByte = 0;
+  int bitShift = 6;
+
+  // Helper lambda to pack 2bpp color into the output stream
+  auto packPixel = [&](const uint8_t lum) {
+    uint8_t color = (lum >> 6);  // Simple 2-bit reduction: 0-255 -> 0-3
+    currentOutByte |= (color << bitShift);
+    if (bitShift == 0) {
+      *outPtr++ = currentOutByte;
+      currentOutByte = 0;
+      bitShift = 6;
+    } else {
+      bitShift -= 2;
+    }
+  };
+
+  uint8_t lum;
+
+  switch (bpp) {
+    case 32: {
+      const uint8_t* p = rowBuffer;
+      for (int x = 0; x < width; x++) {
+        lum = (77u * p[2] + 150u * p[1] + 29u * p[0]) >> 8;
+        packPixel(lum);
+        p += 4;
+      }
+      break;
+    }
+    case 24: {
+      const uint8_t* p = rowBuffer;
+      for (int x = 0; x < width; x++) {
+        lum = (77u * p[2] + 150u * p[1] + 29u * p[0]) >> 8;
+        packPixel(lum);
+        p += 3;
+      }
+      break;
+    }
+    case 8: {
+      for (int x = 0; x < width; x++) {
+        packPixel(paletteLum[rowBuffer[x]]);
+      }
+      break;
+    }
+    case 2: {
+      for (int x = 0; x < width; x++) {
+        lum = paletteLum[(rowBuffer[x >> 2] >> (6 - ((x & 3) * 2))) & 0x03];
+        packPixel(lum);
+      }
+      break;
+    }
+    case 1: {
+      for (int x = 0; x < width; x++) {
+        lum = (rowBuffer[x >> 3] & (0x80 >> (x & 7))) ? 0xFF : 0x00;
+        packPixel(lum);
+      }
+      break;
+    }
+    default:
+      return BmpReaderError::UnsupportedBpp;
+  }
+
+  // Flush remaining bits if width is not a multiple of 4
+  if (bitShift != 6) *outPtr = currentOutByte;
+
+  return BmpReaderError::Ok;
+}
+
+BmpReaderError Bitmap::rewindToData() const {
+  if (!file.seek(bfOffBits)) {
+    return BmpReaderError::SeekPixelDataFailed;
+  }
+
+  return BmpReaderError::Ok;
+}

lib/GfxRenderer/Bitmap.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include <FS.h>
+
+enum class BmpReaderError : uint8_t {
+  Ok = 0,
+  FileInvalid,
+  SeekStartFailed,
+
+  NotBMP,
+  DIBTooSmall,
+
+  BadPlanes,
+  UnsupportedBpp,
+  UnsupportedCompression,
+
+  BadDimensions,
+  PaletteTooLarge,
+
+  SeekPixelDataFailed,
+  BufferTooSmall,
+  OomRowBuffer,
+  ShortReadRow,
+};
+
+class Bitmap {
+ public:
+  static const char* errorToString(BmpReaderError err);
+
+  explicit Bitmap(File& file) : file(file) {}
+  BmpReaderError parseHeaders();
+  BmpReaderError readRow(uint8_t* data, uint8_t* rowBuffer) const;
+  BmpReaderError rewindToData() const;
+  int getWidth() const { return width; }
+  int getHeight() const { return height; }
+  bool isTopDown() const { return topDown; }
+  bool hasGreyscale() const { return bpp > 1; }
+  int getRowBytes() const { return rowBytes; }
+
+ private:
+  static uint16_t readLE16(File& f);
+  static uint32_t readLE32(File& f);
+
+  File& file;
+  int width = 0;
+  int height = 0;
+  bool topDown = false;
+  uint32_t bfOffBits = 0;
+  uint16_t bpp = 0;
+  int rowBytes = 0;
+  uint8_t paletteLum[256] = {};
+};

lib/GfxRenderer/GfxRenderer.cpp

@@ -119,10 +119,81 @@ void GfxRenderer::drawImage(const uint8_t bitmap[], const int x, const int y, co
   einkDisplay.drawImage(bitmap, y, x, height, width);
 }
 
+void GfxRenderer::drawBitmap(const Bitmap& bitmap, const int x, const int y, const int maxWidth,
+                             const int maxHeight) const {
+  float scale = 1.0f;
+  bool isScaled = false;
+  if (maxWidth > 0 && bitmap.getWidth() > maxWidth) {
+    scale = static_cast<float>(maxWidth) / static_cast<float>(bitmap.getWidth());
+    isScaled = true;
+  }
+  if (maxHeight > 0 && bitmap.getHeight() > maxHeight) {
+    scale = std::min(scale, static_cast<float>(maxHeight) / static_cast<float>(bitmap.getHeight()));
+    isScaled = true;
+  }
+
+  const uint8_t outputRowSize = (bitmap.getWidth() + 3) / 4;
+  auto* outputRow = static_cast<uint8_t*>(malloc(outputRowSize));
+  auto* rowBytes = static_cast<uint8_t*>(malloc(bitmap.getRowBytes()));
+
+  if (!outputRow || !rowBytes) {
+    Serial.printf("[%lu] [GFX] !! Failed to allocate BMP row buffers\n", millis());
+    free(outputRow);
+    free(rowBytes);
+    return;
+  }
+
+  for (int bmpY = 0; bmpY < bitmap.getHeight(); bmpY++) {
+    // The BMP's (0, 0) is the bottom-left corner (if the height is positive, top-left if negative).
+    // Screen's (0, 0) is the top-left corner.
+    int screenY = y + (bitmap.isTopDown() ? bmpY : bitmap.getHeight() - 1 - bmpY);
+    if (isScaled) {
+      screenY = std::floor(screenY * scale);
+    }
+    if (screenY >= getScreenHeight()) {
+      break;
+    }
+
+    if (bitmap.readRow(outputRow, rowBytes) != BmpReaderError::Ok) {
+      Serial.printf("[%lu] [GFX] Failed to read row %d from bitmap\n", millis(), bmpY);
+      free(outputRow);
+      free(rowBytes);
+      return;
+    }
+
+    for (int bmpX = 0; bmpX < bitmap.getWidth(); bmpX++) {
+      int screenX = x + bmpX;
+      if (isScaled) {
+        screenX = std::floor(screenX * scale);
+      }
+      if (screenX >= getScreenWidth()) {
+        break;
+      }
+
+      const uint8_t val = outputRow[bmpX / 4] >> (6 - ((bmpX * 2) % 8)) & 0x3;
+
+      if (renderMode == BW && val < 3) {
+        drawPixel(screenX, screenY);
+      } else if (renderMode == GRAYSCALE_MSB && (val == 1 || val == 2)) {
+        drawPixel(screenX, screenY, false);
+      } else if (renderMode == GRAYSCALE_LSB && val == 1) {
+        drawPixel(screenX, screenY, false);
+      }
+    }
+  }
+
+  free(outputRow);
+  free(rowBytes);
+}
+
 void GfxRenderer::clearScreen(const uint8_t color) const { einkDisplay.clearScreen(color); }
 
 void GfxRenderer::invertScreen() const {
   uint8_t* buffer = einkDisplay.getFrameBuffer();
+  if (!buffer) {
+    Serial.printf("[%lu] [GFX] !! No framebuffer in invertScreen\n", millis());
+    return;
+  }
   for (int i = 0; i < EInkDisplay::BUFFER_SIZE; i++) {
     buffer[i] = ~buffer[i];
   }
@@ -132,13 +203,19 @@ void GfxRenderer::displayBuffer(const EInkDisplay::RefreshMode refreshMode) cons
   einkDisplay.displayBuffer(refreshMode);
 }
 
-// TODO: Support partial window update
-// void GfxRenderer::flushArea(const int x, const int y, const int width, const int height) const {
-//   const int rotatedX = y;
-//   const int rotatedY = EInkDisplay::DISPLAY_HEIGHT - 1 - x;
-//
-//   einkDisplay.displayBuffer(EInkDisplay::FAST_REFRESH, rotatedX, rotatedY, height, width);
-// }
+void GfxRenderer::displayWindow(const int x, const int y, const int width, const int height) const {
+  // Rotate coordinates from portrait (480x800) to landscape (800x480)
+  // Rotation: 90 degrees clockwise
+  // Portrait coordinates: (x, y) with dimensions (width, height)
+  // Landscape coordinates: (rotatedX, rotatedY) with dimensions (rotatedWidth, rotatedHeight)
+
+  const int rotatedX = y;
+  const int rotatedY = EInkDisplay::DISPLAY_HEIGHT - 1 - x - width + 1;
+  const int rotatedWidth = height;
+  const int rotatedHeight = width;
+
+  einkDisplay.displayWindow(rotatedX, rotatedY, rotatedWidth, rotatedHeight);
+}
 
 // Note: Internal driver treats screen in command orientation, this library treats in portrait orientation
 int GfxRenderer::getScreenWidth() { return EInkDisplay::DISPLAY_HEIGHT; }
@@ -164,7 +241,7 @@ int GfxRenderer::getLineHeight(const int fontId) const {
 
 uint8_t* GfxRenderer::getFrameBuffer() const { return einkDisplay.getFrameBuffer(); }
 
-void GfxRenderer::swapBuffers() const { einkDisplay.swapBuffers(); }
+size_t GfxRenderer::getBufferSize() { return EInkDisplay::BUFFER_SIZE; }
 
 void GfxRenderer::grayscaleRevert() const { einkDisplay.grayscaleRevert(); }
 
@@ -174,6 +251,100 @@ void GfxRenderer::copyGrayscaleMsbBuffers() const { einkDisplay.copyGrayscaleMsb
 
 void GfxRenderer::displayGrayBuffer() const { einkDisplay.displayGrayBuffer(); }
 
+void GfxRenderer::freeBwBufferChunks() {
+  for (auto& bwBufferChunk : bwBufferChunks) {
+    if (bwBufferChunk) {
+      free(bwBufferChunk);
+      bwBufferChunk = nullptr;
+    }
+  }
+}
+
+/**
+ * This should be called before grayscale buffers are populated.
+ * A `restoreBwBuffer` call should always follow the grayscale render if this method was called.
+ * Uses chunked allocation to avoid needing 48KB of contiguous memory.
+ */
+void GfxRenderer::storeBwBuffer() {
+  const uint8_t* frameBuffer = einkDisplay.getFrameBuffer();
+  if (!frameBuffer) {
+    Serial.printf("[%lu] [GFX] !! No framebuffer in storeBwBuffer\n", millis());
+    return;
+  }
+
+  // Allocate and copy each chunk
+  for (size_t i = 0; i < BW_BUFFER_NUM_CHUNKS; i++) {
+    // Check if any chunks are already allocated
+    if (bwBufferChunks[i]) {
+      Serial.printf("[%lu] [GFX] !! BW buffer chunk %zu already stored - this is likely a bug, freeing chunk\n",
+                    millis(), i);
+      free(bwBufferChunks[i]);
+      bwBufferChunks[i] = nullptr;
+    }
+
+    const size_t offset = i * BW_BUFFER_CHUNK_SIZE;
+    bwBufferChunks[i] = static_cast<uint8_t*>(malloc(BW_BUFFER_CHUNK_SIZE));
+
+    if (!bwBufferChunks[i]) {
+      Serial.printf("[%lu] [GFX] !! Failed to allocate BW buffer chunk %zu (%zu bytes)\n", millis(), i,
+                    BW_BUFFER_CHUNK_SIZE);
+      // Free previously allocated chunks
+      freeBwBufferChunks();
+      return;
+    }
+
+    memcpy(bwBufferChunks[i], frameBuffer + offset, BW_BUFFER_CHUNK_SIZE);
+  }
+
+  Serial.printf("[%lu] [GFX] Stored BW buffer in %zu chunks (%zu bytes each)\n", millis(), BW_BUFFER_NUM_CHUNKS,
+                BW_BUFFER_CHUNK_SIZE);
+}
+
+/**
+ * This can only be called if `storeBwBuffer` was called prior to the grayscale render.
+ * It should be called to restore the BW buffer state after grayscale rendering is complete.
+ * Uses chunked restoration to match chunked storage.
+ */
+void GfxRenderer::restoreBwBuffer() {
+  // Check if any all chunks are allocated
+  bool missingChunks = false;
+  for (const auto& bwBufferChunk : bwBufferChunks) {
+    if (!bwBufferChunk) {
+      missingChunks = true;
+      break;
+    }
+  }
+
+  if (missingChunks) {
+    freeBwBufferChunks();
+    return;
+  }
+
+  uint8_t* frameBuffer = einkDisplay.getFrameBuffer();
+  if (!frameBuffer) {
+    Serial.printf("[%lu] [GFX] !! No framebuffer in restoreBwBuffer\n", millis());
+    freeBwBufferChunks();
+    return;
+  }
+
+  for (size_t i = 0; i < BW_BUFFER_NUM_CHUNKS; i++) {
+    // Check if chunk is missing
+    if (!bwBufferChunks[i]) {
+      Serial.printf("[%lu] [GFX] !! BW buffer chunks not stored - this is likely a bug\n", millis());
+      freeBwBufferChunks();
+      return;
+    }
+
+    const size_t offset = i * BW_BUFFER_CHUNK_SIZE;
+    memcpy(frameBuffer + offset, bwBufferChunks[i], BW_BUFFER_CHUNK_SIZE);
+  }
+
+  einkDisplay.cleanupGrayscaleBuffers(frameBuffer);
+
+  freeBwBufferChunks();
+  Serial.printf("[%lu] [GFX] Restored and freed BW buffer chunks\n", millis());
+}
+
 void GfxRenderer::renderChar(const EpdFontFamily& fontFamily, const uint32_t cp, int* x, const int* y,
                              const bool pixelState, const EpdFontStyle style) const {
   const EpdGlyph* glyph = fontFamily.getGlyph(cp, style);
@@ -207,14 +378,20 @@ void GfxRenderer::renderChar(const EpdFontFamily& fontFamily, const uint32_t cp,
         if (is2Bit) {
           const uint8_t byte = bitmap[pixelPosition / 4];
           const uint8_t bit_index = (3 - pixelPosition % 4) * 2;
+          // the direct bit from the font is 0 -> white, 1 -> light gray, 2 -> dark gray, 3 -> black
+          // we swap this to better match the way images and screen think about colors:
+          // 0 -> black, 1 -> dark grey, 2 -> light grey, 3 -> white
+          const uint8_t bmpVal = 3 - (byte >> bit_index) & 0x3;
 
-          const uint8_t val = (byte >> bit_index) & 0x3;
-          if (fontRenderMode == BW && val > 0) {
+          if (renderMode == BW && bmpVal < 3) {
+            // Black (also paints over the grays in BW mode)
             drawPixel(screenX, screenY, pixelState);
-          } else if (fontRenderMode == GRAYSCALE_MSB && val == 1) {
-            // TODO: Not sure how this anti-aliasing goes on black backgrounds
+          } else if (renderMode == GRAYSCALE_MSB && (bmpVal == 1 || bmpVal == 2)) {
+            // Light gray (also mark the MSB if it's going to be a dark gray too)
+            // We have to flag pixels in reverse for the gray buffers, as 0 leave alone, 1 update
             drawPixel(screenX, screenY, false);
-          } else if (fontRenderMode == GRAYSCALE_LSB && val == 2) {
+          } else if (renderMode == GRAYSCALE_LSB && bmpVal == 1) {
+            // Dark gray
             drawPixel(screenX, screenY, false);
           }
         } else {

lib/GfxRenderer/GfxRenderer.h

@@ -2,22 +2,32 @@
 
 #include <EInkDisplay.h>
 #include <EpdFontFamily.h>
+#include <FS.h>
 
 #include <map>
 
+#include "Bitmap.h"
+
 class GfxRenderer {
  public:
-  enum FontRenderMode { BW, GRAYSCALE_LSB, GRAYSCALE_MSB };
+  enum RenderMode { BW, GRAYSCALE_LSB, GRAYSCALE_MSB };
 
  private:
+  static constexpr size_t BW_BUFFER_CHUNK_SIZE = 8000;  // 8KB chunks to allow for non-contiguous memory
+  static constexpr size_t BW_BUFFER_NUM_CHUNKS = EInkDisplay::BUFFER_SIZE / BW_BUFFER_CHUNK_SIZE;
+  static_assert(BW_BUFFER_CHUNK_SIZE * BW_BUFFER_NUM_CHUNKS == EInkDisplay::BUFFER_SIZE,
+                "BW buffer chunking does not line up with display buffer size");
+
   EInkDisplay& einkDisplay;
-  FontRenderMode fontRenderMode;
+  RenderMode renderMode;
+  uint8_t* bwBufferChunks[BW_BUFFER_NUM_CHUNKS] = {nullptr};
   std::map<int, EpdFontFamily> fontMap;
   void renderChar(const EpdFontFamily& fontFamily, uint32_t cp, int* x, const int* y, bool pixelState,
                   EpdFontStyle style) const;
+  void freeBwBufferChunks();
 
  public:
-  explicit GfxRenderer(EInkDisplay& einkDisplay) : einkDisplay(einkDisplay), fontRenderMode(BW) {}
+  explicit GfxRenderer(EInkDisplay& einkDisplay) : einkDisplay(einkDisplay), renderMode(BW) {}
   ~GfxRenderer() = default;
 
   // Setup
@@ -27,6 +37,8 @@ class GfxRenderer {
   static int getScreenWidth();
   static int getScreenHeight();
   void displayBuffer(EInkDisplay::RefreshMode refreshMode = EInkDisplay::FAST_REFRESH) const;
+  // EXPERIMENTAL: Windowed update - display only a rectangular region (portrait coordinates)
+  void displayWindow(int x, int y, int width, int height) const;
   void invertScreen() const;
   void clearScreen(uint8_t color = 0xFF) const;
 
@@ -36,20 +48,25 @@ class GfxRenderer {
   void drawRect(int x, int y, int width, int height, bool state = true) const;
   void fillRect(int x, int y, int width, int height, bool state = true) const;
   void drawImage(const uint8_t bitmap[], int x, int y, int width, int height) const;
+  void drawBitmap(const Bitmap& bitmap, int x, int y, int maxWidth, int maxHeight) const;
 
   // Text
   int getTextWidth(int fontId, const char* text, EpdFontStyle style = REGULAR) const;
   void drawCenteredText(int fontId, int y, const char* text, bool black = true, EpdFontStyle style = REGULAR) const;
   void drawText(int fontId, int x, int y, const char* text, bool black = true, EpdFontStyle style = REGULAR) const;
-  void setFontRenderMode(const FontRenderMode mode) { this->fontRenderMode = mode; }
   int getSpaceWidth(int fontId) const;
   int getLineHeight(int fontId) const;
 
-  // Low level functions
-  uint8_t* getFrameBuffer() const;
-  void swapBuffers() const;
-  void grayscaleRevert() const;
+  // Grayscale functions
+  void setRenderMode(const RenderMode mode) { this->renderMode = mode; }
   void copyGrayscaleLsbBuffers() const;
   void copyGrayscaleMsbBuffers() const;
   void displayGrayBuffer() const;
+  void storeBwBuffer();
+  void restoreBwBuffer();
+
+  // Low level functions
+  uint8_t* getFrameBuffer() const;
+  static size_t getBufferSize();
+  void grayscaleRevert() const;
 };

lib/JpegToBmpConverter/JpegToBmpConverter.cpp

@@ -0,0 +1,244 @@
+#include "JpegToBmpConverter.h"
+
+#include <picojpeg.h>
+
+#include <cstdio>
+#include <cstring>
+
+// Context structure for picojpeg callback
+struct JpegReadContext {
+  File& file;
+  uint8_t buffer[512];
+  size_t bufferPos;
+  size_t bufferFilled;
+};
+
+// Helper function: Convert 8-bit grayscale to 2-bit (0-3)
+uint8_t JpegToBmpConverter::grayscaleTo2Bit(const uint8_t grayscale) {
+  // Simple threshold mapping:
+  // 0-63 -> 0 (black)
+  // 64-127 -> 1 (dark gray)
+  // 128-191 -> 2 (light gray)
+  // 192-255 -> 3 (white)
+  return grayscale >> 6;
+}
+
+inline void write16(Print& out, const uint16_t value) {
+  // out.write(reinterpret_cast<const uint8_t *>(&value), 2);
+  out.write(value & 0xFF);
+  out.write((value >> 8) & 0xFF);
+}
+
+inline void write32(Print& out, const uint32_t value) {
+  // out.write(reinterpret_cast<const uint8_t *>(&value), 4);
+  out.write(value & 0xFF);
+  out.write((value >> 8) & 0xFF);
+  out.write((value >> 16) & 0xFF);
+  out.write((value >> 24) & 0xFF);
+}
+
+inline void write32Signed(Print& out, const int32_t value) {
+  // out.write(reinterpret_cast<const uint8_t *>(&value), 4);
+  out.write(value & 0xFF);
+  out.write((value >> 8) & 0xFF);
+  out.write((value >> 16) & 0xFF);
+  out.write((value >> 24) & 0xFF);
+}
+
+// Helper function: Write BMP header with 2-bit color depth
+void JpegToBmpConverter::writeBmpHeader(Print& bmpOut, const int width, const int height) {
+  // Calculate row padding (each row must be multiple of 4 bytes)
+  const int bytesPerRow = (width * 2 + 31) / 32 * 4;  // 2 bits per pixel, round up
+  const int imageSize = bytesPerRow * height;
+  const uint32_t fileSize = 70 + imageSize;  // 14 (file header) + 40 (DIB header) + 16 (palette) + image
+
+  // BMP File Header (14 bytes)
+  bmpOut.write('B');
+  bmpOut.write('M');
+  write32(bmpOut, fileSize);  // File size
+  write32(bmpOut, 0);         // Reserved
+  write32(bmpOut, 70);        // Offset to pixel data
+
+  // DIB Header (BITMAPINFOHEADER - 40 bytes)
+  write32(bmpOut, 40);
+  write32Signed(bmpOut, width);
+  write32Signed(bmpOut, -height);  // Negative height = top-down bitmap
+  write16(bmpOut, 1);              // Color planes
+  write16(bmpOut, 2);              // Bits per pixel (2 bits)
+  write32(bmpOut, 0);              // BI_RGB (no compression)
+  write32(bmpOut, imageSize);
+  write32(bmpOut, 2835);  // xPixelsPerMeter (72 DPI)
+  write32(bmpOut, 2835);  // yPixelsPerMeter (72 DPI)
+  write32(bmpOut, 4);     // colorsUsed
+  write32(bmpOut, 4);     // colorsImportant
+
+  // Color Palette (4 colors x 4 bytes = 16 bytes)
+  // Format: Blue, Green, Red, Reserved (BGRA)
+  uint8_t palette[16] = {
+      0x00, 0x00, 0x00, 0x00,  // Color 0: Black
+      0x55, 0x55, 0x55, 0x00,  // Color 1: Dark gray (85)
+      0xAA, 0xAA, 0xAA, 0x00,  // Color 2: Light gray (170)
+      0xFF, 0xFF, 0xFF, 0x00   // Color 3: White
+  };
+  for (const uint8_t i : palette) {
+    bmpOut.write(i);
+  }
+}
+
+// Callback function for picojpeg to read JPEG data
+unsigned char JpegToBmpConverter::jpegReadCallback(unsigned char* pBuf, const unsigned char buf_size,
+                                                   unsigned char* pBytes_actually_read, void* pCallback_data) {
+  auto* context = static_cast<JpegReadContext*>(pCallback_data);
+
+  if (!context || !context->file) {
+    return PJPG_STREAM_READ_ERROR;
+  }
+
+  // Check if we need to refill our context buffer
+  if (context->bufferPos >= context->bufferFilled) {
+    context->bufferFilled = context->file.read(context->buffer, sizeof(context->buffer));
+    context->bufferPos = 0;
+
+    if (context->bufferFilled == 0) {
+      // EOF or error
+      *pBytes_actually_read = 0;
+      return 0;  // Success (EOF is normal)
+    }
+  }
+
+  // Copy available bytes to picojpeg's buffer
+  const size_t available = context->bufferFilled - context->bufferPos;
+  const size_t toRead = available < buf_size ? available : buf_size;
+
+  memcpy(pBuf, context->buffer + context->bufferPos, toRead);
+  context->bufferPos += toRead;
+  *pBytes_actually_read = static_cast<unsigned char>(toRead);
+
+  return 0;  // Success
+}
+
+// Core function: Convert JPEG file to 2-bit BMP
+bool JpegToBmpConverter::jpegFileToBmpStream(File& jpegFile, Print& bmpOut) {
+  Serial.printf("[%lu] [JPG] Converting JPEG to BMP\n", millis());
+
+  // Setup context for picojpeg callback
+  JpegReadContext context = {.file = jpegFile, .bufferPos = 0, .bufferFilled = 0};
+
+  // Initialize picojpeg decoder
+  pjpeg_image_info_t imageInfo;
+  const unsigned char status = pjpeg_decode_init(&imageInfo, jpegReadCallback, &context, 0);
+  if (status != 0) {
+    Serial.printf("[%lu] [JPG] JPEG decode init failed with error code: %d\n", millis(), status);
+    return false;
+  }
+
+  Serial.printf("[%lu] [JPG] JPEG dimensions: %dx%d, components: %d, MCUs: %dx%d\n", millis(), imageInfo.m_width,
+                imageInfo.m_height, imageInfo.m_comps, imageInfo.m_MCUSPerRow, imageInfo.m_MCUSPerCol);
+
+  // Write BMP header
+  writeBmpHeader(bmpOut, imageInfo.m_width, imageInfo.m_height);
+
+  // Calculate row parameters
+  const int bytesPerRow = (imageInfo.m_width * 2 + 31) / 32 * 4;
+
+  // Allocate row buffer for packed 2-bit pixels
+  auto* rowBuffer = static_cast<uint8_t*>(malloc(bytesPerRow));
+  if (!rowBuffer) {
+    Serial.printf("[%lu] [JPG] Failed to allocate row buffer\n", millis());
+    return false;
+  }
+
+  // Allocate a buffer for one MCU row worth of grayscale pixels
+  // This is the minimal memory needed for streaming conversion
+  const int mcuPixelHeight = imageInfo.m_MCUHeight;
+  const int mcuRowPixels = imageInfo.m_width * mcuPixelHeight;
+  auto* mcuRowBuffer = static_cast<uint8_t*>(malloc(mcuRowPixels));
+  if (!mcuRowBuffer) {
+    Serial.printf("[%lu] [JPG] Failed to allocate MCU row buffer\n", millis());
+    free(rowBuffer);
+    return false;
+  }
+
+  // Process MCUs row-by-row and write to BMP as we go (top-down)
+  const int mcuPixelWidth = imageInfo.m_MCUWidth;
+
+  for (int mcuY = 0; mcuY < imageInfo.m_MCUSPerCol; mcuY++) {
+    // Clear the MCU row buffer
+    memset(mcuRowBuffer, 0, mcuRowPixels);
+
+    // Decode one row of MCUs
+    for (int mcuX = 0; mcuX < imageInfo.m_MCUSPerRow; mcuX++) {
+      const unsigned char mcuStatus = pjpeg_decode_mcu();
+      if (mcuStatus != 0) {
+        if (mcuStatus == PJPG_NO_MORE_BLOCKS) {
+          Serial.printf("[%lu] [JPG] Unexpected end of blocks at MCU (%d, %d)\n", millis(), mcuX, mcuY);
+        } else {
+          Serial.printf("[%lu] [JPG] JPEG decode MCU failed at (%d, %d) with error code: %d\n", millis(), mcuX, mcuY,
+                        mcuStatus);
+        }
+        free(mcuRowBuffer);
+        free(rowBuffer);
+        return false;
+      }
+
+      // Process MCU block into MCU row buffer
+      for (int blockY = 0; blockY < mcuPixelHeight; blockY++) {
+        for (int blockX = 0; blockX < mcuPixelWidth; blockX++) {
+          const int pixelX = mcuX * mcuPixelWidth + blockX;
+
+          // Skip pixels outside image width (can happen with MCU alignment)
+          if (pixelX >= imageInfo.m_width) {
+            continue;
+          }
+
+          // Get grayscale value
+          uint8_t gray;
+          if (imageInfo.m_comps == 1) {
+            // Grayscale image
+            gray = imageInfo.m_pMCUBufR[blockY * mcuPixelWidth + blockX];
+          } else {
+            // RGB image - convert to grayscale
+            const uint8_t r = imageInfo.m_pMCUBufR[blockY * mcuPixelWidth + blockX];
+            const uint8_t g = imageInfo.m_pMCUBufG[blockY * mcuPixelWidth + blockX];
+            const uint8_t b = imageInfo.m_pMCUBufB[blockY * mcuPixelWidth + blockX];
+            // Luminance formula: Y = 0.299*R + 0.587*G + 0.114*B
+            // Using integer approximation: (30*R + 59*G + 11*B) / 100
+            gray = (r * 30 + g * 59 + b * 11) / 100;
+          }
+
+          // Store grayscale value in MCU row buffer
+          mcuRowBuffer[blockY * imageInfo.m_width + pixelX] = gray;
+        }
+      }
+    }
+
+    // Write all pixel rows from this MCU row to BMP file
+    const int startRow = mcuY * mcuPixelHeight;
+    const int endRow = (mcuY + 1) * mcuPixelHeight;
+
+    for (int y = startRow; y < endRow && y < imageInfo.m_height; y++) {
+      memset(rowBuffer, 0, bytesPerRow);
+
+      // Pack 4 pixels per byte (2 bits each)
+      for (int x = 0; x < imageInfo.m_width; x++) {
+        const int bufferY = y - startRow;
+        const uint8_t gray = mcuRowBuffer[bufferY * imageInfo.m_width + x];
+        const uint8_t twoBit = grayscaleTo2Bit(gray);
+
+        const int byteIndex = (x * 2) / 8;
+        const int bitOffset = 6 - ((x * 2) % 8);  // 6, 4, 2, 0
+        rowBuffer[byteIndex] |= (twoBit << bitOffset);
+      }
+
+      // Write row with padding
+      bmpOut.write(rowBuffer, bytesPerRow);
+    }
+  }
+
+  // Clean up
+  free(mcuRowBuffer);
+  free(rowBuffer);
+
+  Serial.printf("[%lu] [JPG] Successfully converted JPEG to BMP\n", millis());
+  return true;
+}

lib/JpegToBmpConverter/JpegToBmpConverter.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <FS.h>
+
+class ZipFile;
+
+class JpegToBmpConverter {
+  static void writeBmpHeader(Print& bmpOut, int width, int height);
+  static uint8_t grayscaleTo2Bit(uint8_t grayscale);
+  static unsigned char jpegReadCallback(unsigned char* pBuf, unsigned char buf_size,
+                                        unsigned char* pBytes_actually_read, void* pCallback_data);
+
+ public:
+  static bool jpegFileToBmpStream(File& jpegFile, Print& bmpOut);
+};

lib/ZipFile/ZipFile.cpp

@@ -27,31 +27,28 @@ bool inflateOneShot(const uint8_t* inputBuf, const size_t deflatedSize, uint8_t*
   return true;
 }
 
-bool ZipFile::loadFileStat(const char* filename, mz_zip_archive_file_stat* fileStat) const {
-  mz_zip_archive zipArchive = {};
-  const bool status = mz_zip_reader_init_file(&zipArchive, filePath.c_str(), 0);
+ZipFile::ZipFile(std::string filePath) : filePath(std::move(filePath)) {
+  const bool status = mz_zip_reader_init_file(&zipArchive, this->filePath.c_str(), 0);
 
   if (!status) {
-    Serial.printf("[%lu] [ZIP] mz_zip_reader_init_file() failed! Error: %s\n", millis(),
+    Serial.printf("[%lu] [ZIP] mz_zip_reader_init_file() failed for %s! Error: %s\n", millis(), this->filePath.c_str(),
                   mz_zip_get_error_string(zipArchive.m_last_error));
-    return false;
   }
+}
 
+bool ZipFile::loadFileStat(const char* filename, mz_zip_archive_file_stat* fileStat) const {
   // find the file
   mz_uint32 fileIndex = 0;
   if (!mz_zip_reader_locate_file_v2(&zipArchive, filename, nullptr, 0, &fileIndex)) {
     Serial.printf("[%lu] [ZIP] Could not find file %s\n", millis(), filename);
-    mz_zip_reader_end(&zipArchive);
     return false;
   }
 
   if (!mz_zip_reader_file_stat(&zipArchive, fileIndex, fileStat)) {
     Serial.printf("[%lu] [ZIP] mz_zip_reader_file_stat() failed! Error: %s\n", millis(),
                   mz_zip_get_error_string(zipArchive.m_last_error));
-    mz_zip_reader_end(&zipArchive);
     return false;
   }
-  mz_zip_reader_end(&zipArchive);
   return true;
 }
 
@@ -62,6 +59,10 @@ long ZipFile::getDataOffset(const mz_zip_archive_file_stat& fileStat) const {
   const uint64_t fileOffset = fileStat.m_local_header_ofs;
 
   FILE* file = fopen(filePath.c_str(), "r");
+  if (!file) {
+    Serial.printf("[%lu] [ZIP] Failed to open file for reading local header\n", millis());
+    return -1;
+  }
   fseek(file, fileOffset, SEEK_SET);
   const size_t read = fread(pLocalHeader, 1, localHeaderSize, file);
   fclose(file);
@@ -104,12 +105,21 @@ uint8_t* ZipFile::readFileToMemory(const char* filename, size_t* size, const boo
   }
 
   FILE* file = fopen(filePath.c_str(), "rb");
+  if (!file) {
+    Serial.printf("[%lu] [ZIP] Failed to open file for reading\n", millis());
+    return nullptr;
+  }
   fseek(file, fileOffset, SEEK_SET);
 
   const auto deflatedDataSize = static_cast<size_t>(fileStat.m_comp_size);
   const auto inflatedDataSize = static_cast<size_t>(fileStat.m_uncomp_size);
   const auto dataSize = trailingNullByte ? inflatedDataSize + 1 : inflatedDataSize;
   const auto data = static_cast<uint8_t*>(malloc(dataSize));
+  if (data == nullptr) {
+    Serial.printf("[%lu] [ZIP] Failed to allocate memory for output buffer (%zu bytes)\n", millis(), dataSize);
+    fclose(file);
+    return nullptr;
+  }
 
   if (fileStat.m_method == MZ_NO_COMPRESSION) {
     // no deflation, just read content
@@ -175,6 +185,10 @@ bool ZipFile::readFileToStream(const char* filename, Print& out, const size_t ch
   }
 
   FILE* file = fopen(filePath.c_str(), "rb");
+  if (!file) {
+    Serial.printf("[%lu] [ZIP] Failed to open file for streaming\n", millis());
+    return false;
+  }
   fseek(file, fileOffset, SEEK_SET);
 
   const auto deflatedDataSize = static_cast<size_t>(fileStat.m_comp_size);

lib/ZipFile/ZipFile.h

@@ -1,19 +1,19 @@
 #pragma once
 #include <Print.h>
 
-#include <functional>
 #include <string>
 
 #include "miniz.h"
 
 class ZipFile {
   std::string filePath;
+  mutable mz_zip_archive zipArchive = {};
   bool loadFileStat(const char* filename, mz_zip_archive_file_stat* fileStat) const;
   long getDataOffset(const mz_zip_archive_file_stat& fileStat) const;
 
  public:
-  explicit ZipFile(std::string filePath) : filePath(std::move(filePath)) {}
-  ~ZipFile() = default;
+  explicit ZipFile(std::string filePath);
+  ~ZipFile() { mz_zip_reader_end(&zipArchive); }
   bool getInflatedFileSize(const char* filename, size_t* size) const;
   uint8_t* readFileToMemory(const char* filename, size_t* size = nullptr, bool trailingNullByte = false) const;
   bool readFileToStream(const char* filename, Print& out, size_t chunkSize) const;

lib/picojpeg/picojpeg.h

@@ -0,0 +1,124 @@
+//------------------------------------------------------------------------------
+// picojpeg - Public domain, Rich Geldreich <richgel99@gmail.com>
+//------------------------------------------------------------------------------
+#ifndef PICOJPEG_H
+#define PICOJPEG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Error codes
+enum {
+  PJPG_NO_MORE_BLOCKS = 1,
+  PJPG_BAD_DHT_COUNTS,
+  PJPG_BAD_DHT_INDEX,
+  PJPG_BAD_DHT_MARKER,
+  PJPG_BAD_DQT_MARKER,
+  PJPG_BAD_DQT_TABLE,
+  PJPG_BAD_PRECISION,
+  PJPG_BAD_HEIGHT,
+  PJPG_BAD_WIDTH,
+  PJPG_TOO_MANY_COMPONENTS,
+  PJPG_BAD_SOF_LENGTH,
+  PJPG_BAD_VARIABLE_MARKER,
+  PJPG_BAD_DRI_LENGTH,
+  PJPG_BAD_SOS_LENGTH,
+  PJPG_BAD_SOS_COMP_ID,
+  PJPG_W_EXTRA_BYTES_BEFORE_MARKER,
+  PJPG_NO_ARITHMITIC_SUPPORT,
+  PJPG_UNEXPECTED_MARKER,
+  PJPG_NOT_JPEG,
+  PJPG_UNSUPPORTED_MARKER,
+  PJPG_BAD_DQT_LENGTH,
+  PJPG_TOO_MANY_BLOCKS,
+  PJPG_UNDEFINED_QUANT_TABLE,
+  PJPG_UNDEFINED_HUFF_TABLE,
+  PJPG_NOT_SINGLE_SCAN,
+  PJPG_UNSUPPORTED_COLORSPACE,
+  PJPG_UNSUPPORTED_SAMP_FACTORS,
+  PJPG_DECODE_ERROR,
+  PJPG_BAD_RESTART_MARKER,
+  PJPG_ASSERTION_ERROR,
+  PJPG_BAD_SOS_SPECTRAL,
+  PJPG_BAD_SOS_SUCCESSIVE,
+  PJPG_STREAM_READ_ERROR,
+  PJPG_NOTENOUGHMEM,
+  PJPG_UNSUPPORTED_COMP_IDENT,
+  PJPG_UNSUPPORTED_QUANT_TABLE,
+  PJPG_UNSUPPORTED_MODE,  // picojpeg doesn't support progressive JPEG's
+};
+
+// Scan types
+typedef enum { PJPG_GRAYSCALE, PJPG_YH1V1, PJPG_YH2V1, PJPG_YH1V2, PJPG_YH2V2 } pjpeg_scan_type_t;
+
+typedef struct {
+  // Image resolution
+  int m_width;
+  int m_height;
+
+  // Number of components (1 or 3)
+  int m_comps;
+
+  // Total number of minimum coded units (MCU's) per row/col.
+  int m_MCUSPerRow;
+  int m_MCUSPerCol;
+
+  // Scan type
+  pjpeg_scan_type_t m_scanType;
+
+  // MCU width/height in pixels (each is either 8 or 16 depending on the scan type)
+  int m_MCUWidth;
+  int m_MCUHeight;
+
+  // m_pMCUBufR, m_pMCUBufG, and m_pMCUBufB are pointers to internal MCU Y or RGB pixel component buffers.
+  // Each time pjpegDecodeMCU() is called successfully these buffers will be filled with 8x8 pixel blocks of Y or RGB
+  // pixels. Each MCU consists of (m_MCUWidth/8)*(m_MCUHeight/8) Y/RGB blocks: 1 for greyscale/no subsampling, 2 for
+  // H1V2/H2V1, or 4 blocks for H2V2 sampling factors. Each block is a contiguous array of 64 (8x8) bytes of a single
+  // component: either Y for grayscale images, or R, G or B components for color images.
+  //
+  // The 8x8 pixel blocks are organized in these byte arrays like this:
+  //
+  // PJPG_GRAYSCALE: Each MCU is decoded to a single block of 8x8 grayscale pixels.
+  // Only the values in m_pMCUBufR are valid. Each 8 bytes is a row of pixels (raster order: left to right, top to
+  // bottom) from the 8x8 block.
+  //
+  // PJPG_H1V1: Each MCU contains is decoded to a single block of 8x8 RGB pixels.
+  //
+  // PJPG_YH2V1: Each MCU is decoded to 2 blocks, or 16x8 pixels.
+  // The 2 RGB blocks are at byte offsets: 0, 64
+  //
+  // PJPG_YH1V2: Each MCU is decoded to 2 blocks, or 8x16 pixels.
+  // The 2 RGB blocks are at byte offsets: 0,
+  //                                       128
+  //
+  // PJPG_YH2V2: Each MCU is decoded to 4 blocks, or 16x16 pixels.
+  // The 2x2 block array is organized at byte offsets:   0,  64,
+  //                                                   128, 192
+  //
+  // It is up to the caller to copy or blit these pixels from these buffers into the destination bitmap.
+  unsigned char* m_pMCUBufR;
+  unsigned char* m_pMCUBufG;
+  unsigned char* m_pMCUBufB;
+} pjpeg_image_info_t;
+
+typedef unsigned char (*pjpeg_need_bytes_callback_t)(unsigned char* pBuf, unsigned char buf_size,
+                                                     unsigned char* pBytes_actually_read, void* pCallback_data);
+
+// Initializes the decompressor. Returns 0 on success, or one of the above error codes on failure.
+// pNeed_bytes_callback will be called to fill the decompressor's internal input buffer.
+// If reduce is 1, only the first pixel of each block will be decoded. This mode is much faster because it skips the AC
+// dequantization, IDCT and chroma upsampling of every image pixel. Not thread safe.
+unsigned char pjpeg_decode_init(pjpeg_image_info_t* pInfo, pjpeg_need_bytes_callback_t pNeed_bytes_callback,
+                                void* pCallback_data, unsigned char reduce);
+
+// Decompresses the file's next MCU. Returns 0 on success, PJPG_NO_MORE_BLOCKS if no more blocks are available, or an
+// error code. Must be called a total of m_MCUSPerRow*m_MCUSPerCol times to completely decompress the image. Not thread
+// safe.
+unsigned char pjpeg_decode_mcu(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // PICOJPEG_H

platformio.ini

@@ -1,5 +1,5 @@
 [platformio]
-crosspoint_version = 0.5.1
+crosspoint_version = 0.8.1
 default_envs = default
 
 [base]
@@ -8,6 +8,9 @@ board = esp32-c3-devkitm-1
 framework = arduino
 monitor_speed = 115200
 upload_speed = 921600
+check_tool = cppcheck
+check_flags = --enable=all --suppress=missingIncludeSystem --suppress=unusedFunction --suppress=unmatchedSuppression --suppress=*:*/.pio/* --inline-suppr
+check_skip_packages = yes
 
 board_upload.flash_size = 16MB
 board_upload.maximum_size = 16777216
@@ -17,6 +20,7 @@ build_flags =
   -DARDUINO_USB_MODE=1
   -DARDUINO_USB_CDC_ON_BOOT=1
   -DMINIZ_NO_ZLIB_COMPATIBLE_NAMES=1
+  -DEINK_DISPLAY_SINGLE_BUFFER_MODE=1
 # https://libexpat.github.io/doc/api/latest/#XML_GE
   -DXML_GE=0
   -DXML_CONTEXT_BYTES=1024
@@ -27,11 +31,15 @@ board_build.flash_mode = dio
 board_build.flash_size = 16MB
 board_build.partitions = partitions.csv
 
+extra_scripts =
+  pre:scripts/build_html.py
+
 ; Libraries
 lib_deps =
   BatteryMonitor=symlink://open-x4-sdk/libs/hardware/BatteryMonitor
   InputManager=symlink://open-x4-sdk/libs/hardware/InputManager
   EInkDisplay=symlink://open-x4-sdk/libs/display/EInkDisplay
+  ArduinoJson @ 7.4.2
 
 [env:default]
 extends = base

scripts/build_html.py

@@ -0,0 +1,51 @@
+import os
+import re
+
+SRC_DIR = "src"
+
+def minify_html(html: str) -> str:
+    # Tags where whitespace should be preserved
+    preserve_tags = ['pre', 'code', 'textarea', 'script', 'style']
+    preserve_regex = '|'.join(preserve_tags)
+
+    # Protect preserve blocks with placeholders
+    preserve_blocks = []
+    def preserve(match):
+        preserve_blocks.append(match.group(0))
+        return f"__PRESERVE_BLOCK_{len(preserve_blocks)-1}__"
+
+    html = re.sub(rf'<({preserve_regex})[\s\S]*?</\1>', preserve, html, flags=re.IGNORECASE)
+
+    # Remove HTML comments
+    html = re.sub(r'<!--.*?-->', '', html, flags=re.DOTALL)
+
+    # Collapse all whitespace between tags
+    html = re.sub(r'>\s+<', '><', html)
+
+    # Collapse multiple spaces inside tags
+    html = re.sub(r'\s+', ' ', html)
+
+    # Restore preserved blocks
+    for i, block in enumerate(preserve_blocks):
+        html = html.replace(f"__PRESERVE_BLOCK_{i}__", block)
+
+    return html.strip()
+
+for root, _, files in os.walk(SRC_DIR):
+    for file in files:
+        if file.endswith(".html"):
+            html_path = os.path.join(root, file)
+            with open(html_path, "r", encoding="utf-8") as f:
+                html_content = f.read()
+
+            # minified = regex.sub("\g<1>", html_content)
+            minified = minify_html(html_content)
+            base_name = f"{os.path.splitext(file)[0]}Html"
+            header_path = os.path.join(root, f"{base_name}.generated.h")
+
+            with open(header_path, "w", encoding="utf-8") as h:
+                h.write(f"// THIS FILE IS AUTOGENERATED, DO NOT EDIT MANUALLY\n\n")
+                h.write(f"#pragma once\n")
+                h.write(f'constexpr char {base_name}[] PROGMEM = R"rawliteral({minified})rawliteral";\n')
+
+            print(f"Generated: {header_path}")

src/CrossPointSettings.cpp

@@ -0,0 +1,68 @@
+#include "CrossPointSettings.h"
+
+#include <HardwareSerial.h>
+#include <SD.h>
+#include <Serialization.h>
+
+#include <cstdint>
+#include <fstream>
+
+// Initialize the static instance
+CrossPointSettings CrossPointSettings::instance;
+
+namespace {
+constexpr uint8_t SETTINGS_FILE_VERSION = 1;
+constexpr uint8_t SETTINGS_COUNT = 3;
+constexpr char SETTINGS_FILE[] = "/sd/.crosspoint/settings.bin";
+}  // namespace
+
+bool CrossPointSettings::saveToFile() const {
+  // Make sure the directory exists
+  SD.mkdir("/.crosspoint");
+
+  std::ofstream outputFile(SETTINGS_FILE);
+  serialization::writePod(outputFile, SETTINGS_FILE_VERSION);
+  serialization::writePod(outputFile, SETTINGS_COUNT);
+  serialization::writePod(outputFile, sleepScreen);
+  serialization::writePod(outputFile, extraParagraphSpacing);
+  serialization::writePod(outputFile, shortPwrBtn);
+  outputFile.close();
+
+  Serial.printf("[%lu] [CPS] Settings saved to file\n", millis());
+  return true;
+}
+
+bool CrossPointSettings::loadFromFile() {
+  if (!SD.exists(SETTINGS_FILE + 3)) {  // +3 to skip "/sd" prefix
+    Serial.printf("[%lu] [CPS] Settings file does not exist, using defaults\n", millis());
+    return false;
+  }
+
+  std::ifstream inputFile(SETTINGS_FILE);
+
+  uint8_t version;
+  serialization::readPod(inputFile, version);
+  if (version != SETTINGS_FILE_VERSION) {
+    Serial.printf("[%lu] [CPS] Deserialization failed: Unknown version %u\n", millis(), version);
+    inputFile.close();
+    return false;
+  }
+
+  uint8_t fileSettingsCount = 0;
+  serialization::readPod(inputFile, fileSettingsCount);
+
+  // load settings that exist
+  uint8_t settingsRead = 0;
+  do {
+    serialization::readPod(inputFile, sleepScreen);
+    if (++settingsRead >= fileSettingsCount) break;
+    serialization::readPod(inputFile, extraParagraphSpacing);
+    if (++settingsRead >= fileSettingsCount) break;
+    serialization::readPod(inputFile, shortPwrBtn);
+    if (++settingsRead >= fileSettingsCount) break;
+  } while (false);
+
+  inputFile.close();
+  Serial.printf("[%lu] [CPS] Settings loaded from file\n", millis());
+  return true;
+}

src/CrossPointSettings.h

@@ -0,0 +1,40 @@
+#pragma once
+#include <cstdint>
+#include <iosfwd>
+
+class CrossPointSettings {
+ private:
+  // Private constructor for singleton
+  CrossPointSettings() = default;
+
+  // Static instance
+  static CrossPointSettings instance;
+
+ public:
+  // Delete copy constructor and assignment
+  CrossPointSettings(const CrossPointSettings&) = delete;
+  CrossPointSettings& operator=(const CrossPointSettings&) = delete;
+
+  // Should match with SettingsActivity text
+  enum SLEEP_SCREEN_MODE { DARK = 0, LIGHT = 1, CUSTOM = 2, COVER = 3 };
+
+  // Sleep screen settings
+  uint8_t sleepScreen = DARK;
+  // Text rendering settings
+  uint8_t extraParagraphSpacing = 1;
+  // Duration of the power button press
+  uint8_t shortPwrBtn = 0;
+
+  ~CrossPointSettings() = default;
+
+  // Get singleton instance
+  static CrossPointSettings& getInstance() { return instance; }
+
+  uint16_t getPowerButtonDuration() const { return shortPwrBtn ? 10 : 500; }
+
+  bool saveToFile() const;
+  bool loadFromFile();
+};
+
+// Helper macro to access settings
+#define SETTINGS CrossPointSettings::getInstance()

src/CrossPointState.cpp

@@ -6,8 +6,12 @@
 
 #include <fstream>
 
+namespace {
 constexpr uint8_t STATE_FILE_VERSION = 1;
 constexpr char STATE_FILE[] = "/sd/.crosspoint/state.bin";
+}  // namespace
+
+CrossPointState CrossPointState::instance;
 
 bool CrossPointState::saveToFile() const {
   std::ofstream outputFile(STATE_FILE);

src/CrossPointState.h

@@ -3,11 +3,20 @@
 #include <string>
 
 class CrossPointState {
+  // Static instance
+  static CrossPointState instance;
+
  public:
   std::string openEpubPath;
   ~CrossPointState() = default;
 
+  // Get singleton instance
+  static CrossPointState& getInstance() { return instance; }
+
   bool saveToFile() const;
 
   bool loadFromFile();
 };
+
+// Helper macro to access settings
+#define APP_STATE CrossPointState::getInstance()

src/WifiCredentialStore.cpp

@@ -0,0 +1,162 @@
+#include "WifiCredentialStore.h"
+
+#include <HardwareSerial.h>
+#include <SD.h>
+#include <Serialization.h>
+
+#include <fstream>
+
+// Initialize the static instance
+WifiCredentialStore WifiCredentialStore::instance;
+
+namespace {
+// File format version
+constexpr uint8_t WIFI_FILE_VERSION = 1;
+
+// WiFi credentials file path
+constexpr char WIFI_FILE[] = "/sd/.crosspoint/wifi.bin";
+
+// Obfuscation key - "CrossPoint" in ASCII
+// This is NOT cryptographic security, just prevents casual file reading
+constexpr uint8_t OBFUSCATION_KEY[] = {0x43, 0x72, 0x6F, 0x73, 0x73, 0x50, 0x6F, 0x69, 0x6E, 0x74};
+constexpr size_t KEY_LENGTH = sizeof(OBFUSCATION_KEY);
+}  // namespace
+
+void WifiCredentialStore::obfuscate(std::string& data) const {
+  Serial.printf("[%lu] [WCS] Obfuscating/deobfuscating %zu bytes\n", millis(), data.size());
+  for (size_t i = 0; i < data.size(); i++) {
+    data[i] ^= OBFUSCATION_KEY[i % KEY_LENGTH];
+  }
+}
+
+bool WifiCredentialStore::saveToFile() const {
+  // Make sure the directory exists
+  SD.mkdir("/.crosspoint");
+
+  std::ofstream file(WIFI_FILE, std::ios::binary);
+  if (!file) {
+    Serial.printf("[%lu] [WCS] Failed to open wifi.bin for writing\n", millis());
+    return false;
+  }
+
+  // Write header
+  serialization::writePod(file, WIFI_FILE_VERSION);
+  serialization::writePod(file, static_cast<uint8_t>(credentials.size()));
+
+  // Write each credential
+  for (const auto& cred : credentials) {
+    // Write SSID (plaintext - not sensitive)
+    serialization::writeString(file, cred.ssid);
+    Serial.printf("[%lu] [WCS] Saving SSID: %s, password length: %zu\n", millis(), cred.ssid.c_str(),
+                  cred.password.size());
+
+    // Write password (obfuscated)
+    std::string obfuscatedPwd = cred.password;
+    obfuscate(obfuscatedPwd);
+    serialization::writeString(file, obfuscatedPwd);
+  }
+
+  file.close();
+  Serial.printf("[%lu] [WCS] Saved %zu WiFi credentials to file\n", millis(), credentials.size());
+  return true;
+}
+
+bool WifiCredentialStore::loadFromFile() {
+  if (!SD.exists(WIFI_FILE + 3)) {  // +3 to skip "/sd" prefix
+    Serial.printf("[%lu] [WCS] WiFi credentials file does not exist\n", millis());
+    return false;
+  }
+
+  std::ifstream file(WIFI_FILE, std::ios::binary);
+  if (!file) {
+    Serial.printf("[%lu] [WCS] Failed to open wifi.bin for reading\n", millis());
+    return false;
+  }
+
+  // Read and verify version
+  uint8_t version;
+  serialization::readPod(file, version);
+  if (version != WIFI_FILE_VERSION) {
+    Serial.printf("[%lu] [WCS] Unknown file version: %u\n", millis(), version);
+    file.close();
+    return false;
+  }
+
+  // Read credential count
+  uint8_t count;
+  serialization::readPod(file, count);
+
+  // Read credentials
+  credentials.clear();
+  for (uint8_t i = 0; i < count && i < MAX_NETWORKS; i++) {
+    WifiCredential cred;
+
+    // Read SSID
+    serialization::readString(file, cred.ssid);
+
+    // Read and deobfuscate password
+    serialization::readString(file, cred.password);
+    Serial.printf("[%lu] [WCS] Loaded SSID: %s, obfuscated password length: %zu\n", millis(), cred.ssid.c_str(),
+                  cred.password.size());
+    obfuscate(cred.password);  // XOR is symmetric, so same function deobfuscates
+    Serial.printf("[%lu] [WCS] After deobfuscation, password length: %zu\n", millis(), cred.password.size());
+
+    credentials.push_back(cred);
+  }
+
+  file.close();
+  Serial.printf("[%lu] [WCS] Loaded %zu WiFi credentials from file\n", millis(), credentials.size());
+  return true;
+}
+
+bool WifiCredentialStore::addCredential(const std::string& ssid, const std::string& password) {
+  // Check if this SSID already exists and update it
+  const auto cred = find_if(credentials.begin(), credentials.end(),
+                            [&ssid](const WifiCredential& cred) { return cred.ssid == ssid; });
+  if (cred != credentials.end()) {
+    cred->password = password;
+    Serial.printf("[%lu] [WCS] Updated credentials for: %s\n", millis(), ssid.c_str());
+    return saveToFile();
+  }
+
+  // Check if we've reached the limit
+  if (credentials.size() >= MAX_NETWORKS) {
+    Serial.printf("[%lu] [WCS] Cannot add more networks, limit of %zu reached\n", millis(), MAX_NETWORKS);
+    return false;
+  }
+
+  // Add new credential
+  credentials.push_back({ssid, password});
+  Serial.printf("[%lu] [WCS] Added credentials for: %s\n", millis(), ssid.c_str());
+  return saveToFile();
+}
+
+bool WifiCredentialStore::removeCredential(const std::string& ssid) {
+  const auto cred = find_if(credentials.begin(), credentials.end(),
+                            [&ssid](const WifiCredential& cred) { return cred.ssid == ssid; });
+  if (cred != credentials.end()) {
+    credentials.erase(cred);
+    Serial.printf("[%lu] [WCS] Removed credentials for: %s\n", millis(), ssid.c_str());
+    return saveToFile();
+  }
+  return false;  // Not found
+}
+
+const WifiCredential* WifiCredentialStore::findCredential(const std::string& ssid) const {
+  const auto cred = find_if(credentials.begin(), credentials.end(),
+                            [&ssid](const WifiCredential& cred) { return cred.ssid == ssid; });
+
+  if (cred != credentials.end()) {
+    return &*cred;
+  }
+
+  return nullptr;
+}
+
+bool WifiCredentialStore::hasSavedCredential(const std::string& ssid) const { return findCredential(ssid) != nullptr; }
+
+void WifiCredentialStore::clearAll() {
+  credentials.clear();
+  saveToFile();
+  Serial.printf("[%lu] [WCS] Cleared all WiFi credentials\n", millis());
+}

src/WifiCredentialStore.h

@@ -0,0 +1,56 @@
+#pragma once
+#include <string>
+#include <vector>
+
+struct WifiCredential {
+  std::string ssid;
+  std::string password;  // Stored obfuscated in file
+};
+
+/**
+ * Singleton class for storing WiFi credentials on the SD card.
+ * Credentials are stored in /sd/.crosspoint/wifi.bin with basic
+ * XOR obfuscation to prevent casual reading (not cryptographically secure).
+ */
+class WifiCredentialStore {
+ private:
+  static WifiCredentialStore instance;
+  std::vector<WifiCredential> credentials;
+
+  static constexpr size_t MAX_NETWORKS = 8;
+
+  // Private constructor for singleton
+  WifiCredentialStore() = default;
+
+  // XOR obfuscation (symmetric - same for encode/decode)
+  void obfuscate(std::string& data) const;
+
+ public:
+  // Delete copy constructor and assignment
+  WifiCredentialStore(const WifiCredentialStore&) = delete;
+  WifiCredentialStore& operator=(const WifiCredentialStore&) = delete;
+
+  // Get singleton instance
+  static WifiCredentialStore& getInstance() { return instance; }
+
+  // Save/load from SD card
+  bool saveToFile() const;
+  bool loadFromFile();
+
+  // Credential management
+  bool addCredential(const std::string& ssid, const std::string& password);
+  bool removeCredential(const std::string& ssid);
+  const WifiCredential* findCredential(const std::string& ssid) const;
+
+  // Get all stored credentials (for UI display)
+  const std::vector<WifiCredential>& getCredentials() const { return credentials; }
+
+  // Check if a network is saved
+  bool hasSavedCredential(const std::string& ssid) const;
+
+  // Clear all credentials
+  void clearAll();
+};
+
+// Helper macro to access credentials store
+#define WIFI_STORE WifiCredentialStore::getInstance()

src/activities/Activity.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <HardwareSerial.h>
+
+#include <string>
+#include <utility>
+
+class InputManager;
+class GfxRenderer;
+
+class Activity {
+ protected:
+  std::string name;
+  GfxRenderer& renderer;
+  InputManager& inputManager;
+
+ public:
+  explicit Activity(std::string name, GfxRenderer& renderer, InputManager& inputManager)
+      : name(std::move(name)), renderer(renderer), inputManager(inputManager) {}
+  virtual ~Activity() = default;
+  virtual void onEnter() { Serial.printf("[%lu] [ACT] Entering activity: %s\n", millis(), name.c_str()); }
+  virtual void onExit() { Serial.printf("[%lu] [ACT] Exiting activity: %s\n", millis(), name.c_str()); }
+  virtual void loop() {}
+  virtual bool skipLoopDelay() { return false; }
+};

src/activities/ActivityWithSubactivity.cpp

@@ -0,0 +1,24 @@
+#include "ActivityWithSubactivity.h"
+
+void ActivityWithSubactivity::exitActivity() {
+  if (subActivity) {
+    subActivity->onExit();
+    subActivity.reset();
+  }
+}
+
+void ActivityWithSubactivity::enterNewActivity(Activity* activity) {
+  subActivity.reset(activity);
+  subActivity->onEnter();
+}
+
+void ActivityWithSubactivity::loop() {
+  if (subActivity) {
+    subActivity->loop();
+  }
+}
+
+void ActivityWithSubactivity::onExit() {
+  Activity::onExit();
+  exitActivity();
+}

src/activities/ActivityWithSubactivity.h

@@ -0,0 +1,17 @@
+#pragma once
+#include <memory>
+
+#include "Activity.h"
+
+class ActivityWithSubactivity : public Activity {
+ protected:
+  std::unique_ptr<Activity> subActivity = nullptr;
+  void exitActivity();
+  void enterNewActivity(Activity* activity);
+
+ public:
+  explicit ActivityWithSubactivity(std::string name, GfxRenderer& renderer, InputManager& inputManager)
+      : Activity(std::move(name), renderer, inputManager) {}
+  void loop() override;
+  void onExit() override;
+};

src/activities/boot_sleep/BootActivity.cpp

@@ -1,11 +1,13 @@
-#include "BootLogoScreen.h"
+#include "BootActivity.h"
 
 #include <GfxRenderer.h>
 
 #include "config.h"
 #include "images/CrossLarge.h"
 
-void BootLogoScreen::onEnter() {
+void BootActivity::onEnter() {
+  Activity::onEnter();
+
   const auto pageWidth = GfxRenderer::getScreenWidth();
   const auto pageHeight = GfxRenderer::getScreenHeight();
 

src/activities/boot_sleep/BootActivity.h

@@ -0,0 +1,8 @@
+#pragma once
+#include "../Activity.h"
+
+class BootActivity final : public Activity {
+ public:
+  explicit BootActivity(GfxRenderer& renderer, InputManager& inputManager) : Activity("Boot", renderer, inputManager) {}
+  void onEnter() override;
+};

src/activities/boot_sleep/SleepActivity.cpp

@@ -0,0 +1,199 @@
+#include "SleepActivity.h"
+
+#include <Epub.h>
+#include <GfxRenderer.h>
+#include <SD.h>
+
+#include <vector>
+
+#include "CrossPointSettings.h"
+#include "CrossPointState.h"
+#include "config.h"
+#include "images/CrossLarge.h"
+
+void SleepActivity::onEnter() {
+  Activity::onEnter();
+  renderPopup("Entering Sleep...");
+
+  if (SETTINGS.sleepScreen == CrossPointSettings::SLEEP_SCREEN_MODE::CUSTOM) {
+    return renderCustomSleepScreen();
+  }
+
+  if (SETTINGS.sleepScreen == CrossPointSettings::SLEEP_SCREEN_MODE::COVER) {
+    return renderCoverSleepScreen();
+  }
+
+  renderDefaultSleepScreen();
+}
+
+void SleepActivity::renderPopup(const char* message) const {
+  const int textWidth = renderer.getTextWidth(READER_FONT_ID, message);
+  constexpr int margin = 20;
+  const int x = (renderer.getScreenWidth() - textWidth - margin * 2) / 2;
+  constexpr int y = 117;
+  const int w = textWidth + margin * 2;
+  const int h = renderer.getLineHeight(READER_FONT_ID) + margin * 2;
+  // renderer.clearScreen();
+  renderer.fillRect(x + 5, y + 5, w - 10, h - 10, false);
+  renderer.drawText(READER_FONT_ID, x + margin, y + margin, message);
+  renderer.drawRect(x + 5, y + 5, w - 10, h - 10);
+  renderer.displayBuffer();
+}
+
+void SleepActivity::renderCustomSleepScreen() const {
+  // Check if we have a /sleep directory
+  auto dir = SD.open("/sleep");
+  if (dir && dir.isDirectory()) {
+    std::vector<std::string> files;
+    // collect all valid BMP files
+    for (File file = dir.openNextFile(); file; file = dir.openNextFile()) {
+      if (file.isDirectory()) {
+        file.close();
+        continue;
+      }
+      auto filename = std::string(file.name());
+      if (filename[0] == '.') {
+        file.close();
+        continue;
+      }
+
+      if (filename.substr(filename.length() - 4) != ".bmp") {
+        Serial.printf("[%lu] [SLP] Skipping non-.bmp file name: %s\n", millis(), file.name());
+        file.close();
+        continue;
+      }
+      Bitmap bitmap(file);
+      if (bitmap.parseHeaders() != BmpReaderError::Ok) {
+        Serial.printf("[%lu] [SLP] Skipping invalid BMP file: %s\n", millis(), file.name());
+        file.close();
+        continue;
+      }
+      files.emplace_back(filename);
+      file.close();
+    }
+    const auto numFiles = files.size();
+    if (numFiles > 0) {
+      // Generate a random number between 1 and numFiles
+      const auto randomFileIndex = random(numFiles);
+      const auto filename = "/sleep/" + files[randomFileIndex];
+      auto file = SD.open(filename.c_str());
+      if (file) {
+        Serial.printf("[%lu] [SLP] Randomly loading: /sleep/%s\n", millis(), files[randomFileIndex].c_str());
+        delay(100);
+        Bitmap bitmap(file);
+        if (bitmap.parseHeaders() == BmpReaderError::Ok) {
+          renderBitmapSleepScreen(bitmap);
+          dir.close();
+          return;
+        }
+      }
+    }
+  }
+  if (dir) dir.close();
+
+  // Look for sleep.bmp on the root of the sd card to determine if we should
+  // render a custom sleep screen instead of the default.
+  auto file = SD.open("/sleep.bmp");
+  if (file) {
+    Bitmap bitmap(file);
+    if (bitmap.parseHeaders() == BmpReaderError::Ok) {
+      Serial.printf("[%lu] [SLP] Loading: /sleep.bmp\n", millis());
+      renderBitmapSleepScreen(bitmap);
+      return;
+    }
+  }
+
+  renderDefaultSleepScreen();
+}
+
+void SleepActivity::renderDefaultSleepScreen() const {
+  const auto pageWidth = renderer.getScreenWidth();
+  const auto pageHeight = renderer.getScreenHeight();
+
+  renderer.clearScreen();
+  renderer.drawImage(CrossLarge, (pageWidth - 128) / 2, (pageHeight - 128) / 2, 128, 128);
+  renderer.drawCenteredText(UI_FONT_ID, pageHeight / 2 + 70, "CrossPoint", true, BOLD);
+  renderer.drawCenteredText(SMALL_FONT_ID, pageHeight / 2 + 95, "SLEEPING");
+
+  // Make sleep screen dark unless light is selected in settings
+  if (SETTINGS.sleepScreen != CrossPointSettings::SLEEP_SCREEN_MODE::LIGHT) {
+    renderer.invertScreen();
+  }
+
+  renderer.displayBuffer(EInkDisplay::HALF_REFRESH);
+}
+
+void SleepActivity::renderBitmapSleepScreen(const Bitmap& bitmap) const {
+  int x, y;
+  const auto pageWidth = renderer.getScreenWidth();
+  const auto pageHeight = renderer.getScreenHeight();
+
+  if (bitmap.getWidth() > pageWidth || bitmap.getHeight() > pageHeight) {
+    // image will scale, make sure placement is right
+    const float ratio = static_cast<float>(bitmap.getWidth()) / static_cast<float>(bitmap.getHeight());
+    const float screenRatio = static_cast<float>(pageWidth) / static_cast<float>(pageHeight);
+
+    if (ratio > screenRatio) {
+      // image wider than viewport ratio, scaled down image needs to be centered vertically
+      x = 0;
+      y = (pageHeight - pageWidth / ratio) / 2;
+    } else {
+      // image taller than viewport ratio, scaled down image needs to be centered horizontally
+      x = (pageWidth - pageHeight * ratio) / 2;
+      y = 0;
+    }
+  } else {
+    // center the image
+    x = (pageWidth - bitmap.getWidth()) / 2;
+    y = (pageHeight - bitmap.getHeight()) / 2;
+  }
+
+  renderer.clearScreen();
+  renderer.drawBitmap(bitmap, x, y, pageWidth, pageHeight);
+  renderer.displayBuffer(EInkDisplay::HALF_REFRESH);
+
+  if (bitmap.hasGreyscale()) {
+    bitmap.rewindToData();
+    renderer.clearScreen(0x00);
+    renderer.setRenderMode(GfxRenderer::GRAYSCALE_LSB);
+    renderer.drawBitmap(bitmap, x, y, pageWidth, pageHeight);
+    renderer.copyGrayscaleLsbBuffers();
+
+    bitmap.rewindToData();
+    renderer.clearScreen(0x00);
+    renderer.setRenderMode(GfxRenderer::GRAYSCALE_MSB);
+    renderer.drawBitmap(bitmap, x, y, pageWidth, pageHeight);
+    renderer.copyGrayscaleMsbBuffers();
+
+    renderer.displayGrayBuffer();
+    renderer.setRenderMode(GfxRenderer::BW);
+  }
+}
+
+void SleepActivity::renderCoverSleepScreen() const {
+  if (APP_STATE.openEpubPath.empty()) {
+    return renderDefaultSleepScreen();
+  }
+
+  Epub lastEpub(APP_STATE.openEpubPath, "/.crosspoint");
+  if (!lastEpub.load()) {
+    Serial.println("[SLP] Failed to load last epub");
+    return renderDefaultSleepScreen();
+  }
+
+  if (!lastEpub.generateCoverBmp()) {
+    Serial.println("[SLP] Failed to generate cover bmp");
+    return renderDefaultSleepScreen();
+  }
+
+  auto file = SD.open(lastEpub.getCoverBmpPath().c_str(), FILE_READ);
+  if (file) {
+    Bitmap bitmap(file);
+    if (bitmap.parseHeaders() == BmpReaderError::Ok) {
+      renderBitmapSleepScreen(bitmap);
+      return;
+    }
+  }
+
+  renderDefaultSleepScreen();
+}

src/activities/boot_sleep/SleepActivity.h

@@ -0,0 +1,18 @@
+#pragma once
+#include "../Activity.h"
+
+class Bitmap;
+
+class SleepActivity final : public Activity {
+ public:
+  explicit SleepActivity(GfxRenderer& renderer, InputManager& inputManager)
+      : Activity("Sleep", renderer, inputManager) {}
+  void onEnter() override;
+
+ private:
+  void renderPopup(const char* message) const;
+  void renderDefaultSleepScreen() const;
+  void renderCustomSleepScreen() const;
+  void renderCoverSleepScreen() const;
+  void renderBitmapSleepScreen(const Bitmap& bitmap) const;
+};

src/activities/home/HomeActivity.cpp

@@ -0,0 +1,111 @@
+#include "HomeActivity.h"
+
+#include <GfxRenderer.h>
+#include <InputManager.h>
+#include <SD.h>
+
+#include "config.h"
+
+namespace {
+constexpr int menuItemCount = 3;
+}
+
+void HomeActivity::taskTrampoline(void* param) {
+  auto* self = static_cast<HomeActivity*>(param);
+  self->displayTaskLoop();
+}
+
+void HomeActivity::onEnter() {
+  Activity::onEnter();
+
+  renderingMutex = xSemaphoreCreateMutex();
+
+  selectorIndex = 0;
+
+  // Trigger first update
+  updateRequired = true;
+
+  xTaskCreate(&HomeActivity::taskTrampoline, "HomeActivityTask",
+              2048,               // Stack size
+              this,               // Parameters
+              1,                  // Priority
+              &displayTaskHandle  // Task handle
+  );
+}
+
+void HomeActivity::onExit() {
+  Activity::onExit();
+
+  // Wait until not rendering to delete task to avoid killing mid-instruction to EPD
+  xSemaphoreTake(renderingMutex, portMAX_DELAY);
+  if (displayTaskHandle) {
+    vTaskDelete(displayTaskHandle);
+    displayTaskHandle = nullptr;
+  }
+  vSemaphoreDelete(renderingMutex);
+  renderingMutex = nullptr;
+}
+
+void HomeActivity::loop() {
+  const bool prevPressed =
+      inputManager.wasPressed(InputManager::BTN_UP) || inputManager.wasPressed(InputManager::BTN_LEFT);
+  const bool nextPressed =
+      inputManager.wasPressed(InputManager::BTN_DOWN) || inputManager.wasPressed(InputManager::BTN_RIGHT);
+
+  if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
+    if (selectorIndex == 0) {
+      onReaderOpen();
+    } else if (selectorIndex == 1) {
+      onFileTransferOpen();
+    } else if (selectorIndex == 2) {
+      onSettingsOpen();
+    }
+  } else if (prevPressed) {
+    selectorIndex = (selectorIndex + menuItemCount - 1) % menuItemCount;
+    updateRequired = true;
+  } else if (nextPressed) {
+    selectorIndex = (selectorIndex + 1) % menuItemCount;
+    updateRequired = true;
+  }
+}
+
+void HomeActivity::displayTaskLoop() {
+  while (true) {
+    if (updateRequired) {
+      updateRequired = false;
+      xSemaphoreTake(renderingMutex, portMAX_DELAY);
+      render();
+      xSemaphoreGive(renderingMutex);
+    }
+    vTaskDelay(10 / portTICK_PERIOD_MS);
+  }
+}
+
+void HomeActivity::render() const {
+  renderer.clearScreen();
+
+  const auto pageWidth = renderer.getScreenWidth();
+  const auto pageHeight = renderer.getScreenHeight();
+  renderer.drawCenteredText(READER_FONT_ID, 10, "CrossPoint Reader", true, BOLD);
+
+  // Draw selection
+  renderer.fillRect(0, 60 + selectorIndex * 30 + 2, pageWidth - 1, 30);
+  renderer.drawText(UI_FONT_ID, 20, 60, "Read", selectorIndex != 0);
+  renderer.drawText(UI_FONT_ID, 20, 90, "File transfer", selectorIndex != 1);
+  renderer.drawText(UI_FONT_ID, 20, 120, "Settings", selectorIndex != 2);
+
+  renderer.drawRect(25, pageHeight - 40, 106, 40);
+  renderer.drawText(UI_FONT_ID, 25 + (105 - renderer.getTextWidth(UI_FONT_ID, "Back")) / 2, pageHeight - 35, "Back");
+
+  renderer.drawRect(130, pageHeight - 40, 106, 40);
+  renderer.drawText(UI_FONT_ID, 130 + (105 - renderer.getTextWidth(UI_FONT_ID, "Confirm")) / 2, pageHeight - 35,
+                    "Confirm");
+
+  renderer.drawRect(245, pageHeight - 40, 106, 40);
+  renderer.drawText(UI_FONT_ID, 245 + (105 - renderer.getTextWidth(UI_FONT_ID, "Left")) / 2, pageHeight - 35, "Left");
+
+  renderer.drawRect(350, pageHeight - 40, 106, 40);
+  renderer.drawText(UI_FONT_ID, 350 + (105 - renderer.getTextWidth(UI_FONT_ID, "Right")) / 2, pageHeight - 35, "Right");
+
+  renderer.displayBuffer();
+}

src/activities/home/HomeActivity.h

@@ -0,0 +1,33 @@
+#pragma once
+#include <freertos/FreeRTOS.h>
+#include <freertos/semphr.h>
+#include <freertos/task.h>
+
+#include <functional>
+
+#include "../Activity.h"
+
+class HomeActivity final : public Activity {
+  TaskHandle_t displayTaskHandle = nullptr;
+  SemaphoreHandle_t renderingMutex = nullptr;
+  int selectorIndex = 0;
+  bool updateRequired = false;
+  const std::function<void()> onReaderOpen;
+  const std::function<void()> onSettingsOpen;
+  const std::function<void()> onFileTransferOpen;
+
+  static void taskTrampoline(void* param);
+  [[noreturn]] void displayTaskLoop();
+  void render() const;
+
+ public:
+  explicit HomeActivity(GfxRenderer& renderer, InputManager& inputManager, const std::function<void()>& onReaderOpen,
+                        const std::function<void()>& onSettingsOpen, const std::function<void()>& onFileTransferOpen)
+      : Activity("Home", renderer, inputManager),
+        onReaderOpen(onReaderOpen),
+        onSettingsOpen(onSettingsOpen),
+        onFileTransferOpen(onFileTransferOpen) {}
+  void onEnter() override;
+  void onExit() override;
+  void loop() override;
+};

src/activities/network/CrossPointWebServerActivity.cpp

@@ -0,0 +1,227 @@
+#include "CrossPointWebServerActivity.h"
+
+#include <GfxRenderer.h>
+#include <InputManager.h>
+#include <WiFi.h>
+
+#include "WifiSelectionActivity.h"
+#include "config.h"
+
+void CrossPointWebServerActivity::taskTrampoline(void* param) {
+  auto* self = static_cast<CrossPointWebServerActivity*>(param);
+  self->displayTaskLoop();
+}
+
+void CrossPointWebServerActivity::onEnter() {
+  ActivityWithSubactivity::onEnter();
+
+  Serial.printf("[%lu] [WEBACT] [MEM] Free heap at onEnter: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  renderingMutex = xSemaphoreCreateMutex();
+
+  // Reset state
+  state = WebServerActivityState::WIFI_SELECTION;
+  connectedIP.clear();
+  connectedSSID.clear();
+  lastHandleClientTime = 0;
+  updateRequired = true;
+
+  xTaskCreate(&CrossPointWebServerActivity::taskTrampoline, "WebServerActivityTask",
+              2048,               // Stack size
+              this,               // Parameters
+              1,                  // Priority
+              &displayTaskHandle  // Task handle
+  );
+
+  // Turn on WiFi immediately
+  Serial.printf("[%lu] [WEBACT] Turning on WiFi...\n", millis());
+  WiFi.mode(WIFI_STA);
+
+  // Launch WiFi selection subactivity
+  Serial.printf("[%lu] [WEBACT] Launching WifiSelectionActivity...\n", millis());
+  enterNewActivity(new WifiSelectionActivity(renderer, inputManager,
+                                             [this](const bool connected) { onWifiSelectionComplete(connected); }));
+}
+
+void CrossPointWebServerActivity::onExit() {
+  ActivityWithSubactivity::onExit();
+
+  Serial.printf("[%lu] [WEBACT] [MEM] Free heap at onExit start: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  state = WebServerActivityState::SHUTTING_DOWN;
+
+  // Stop the web server first (before disconnecting WiFi)
+  stopWebServer();
+
+  // CRITICAL: Wait for LWIP stack to flush any pending packets
+  Serial.printf("[%lu] [WEBACT] Waiting 500ms for network stack to flush pending packets...\n", millis());
+  delay(500);
+
+  // Disconnect WiFi gracefully
+  Serial.printf("[%lu] [WEBACT] Disconnecting WiFi (graceful)...\n", millis());
+  WiFi.disconnect(false);  // false = don't erase credentials, send disconnect frame
+  delay(100);              // Allow disconnect frame to be sent
+
+  Serial.printf("[%lu] [WEBACT] Setting WiFi mode OFF...\n", millis());
+  WiFi.mode(WIFI_OFF);
+  delay(100);  // Allow WiFi hardware to fully power down
+
+  Serial.printf("[%lu] [WEBACT] [MEM] Free heap after WiFi disconnect: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  // Acquire mutex before deleting task
+  Serial.printf("[%lu] [WEBACT] Acquiring rendering mutex before task deletion...\n", millis());
+  xSemaphoreTake(renderingMutex, portMAX_DELAY);
+
+  // Delete the display task
+  Serial.printf("[%lu] [WEBACT] Deleting display task...\n", millis());
+  if (displayTaskHandle) {
+    vTaskDelete(displayTaskHandle);
+    displayTaskHandle = nullptr;
+    Serial.printf("[%lu] [WEBACT] Display task deleted\n", millis());
+  }
+
+  // Delete the mutex
+  Serial.printf("[%lu] [WEBACT] Deleting mutex...\n", millis());
+  vSemaphoreDelete(renderingMutex);
+  renderingMutex = nullptr;
+  Serial.printf("[%lu] [WEBACT] Mutex deleted\n", millis());
+
+  Serial.printf("[%lu] [WEBACT] [MEM] Free heap at onExit end: %d bytes\n", millis(), ESP.getFreeHeap());
+}
+
+void CrossPointWebServerActivity::onWifiSelectionComplete(const bool connected) {
+  Serial.printf("[%lu] [WEBACT] WifiSelectionActivity completed, connected=%d\n", millis(), connected);
+
+  if (connected) {
+    // Get connection info before exiting subactivity
+    connectedIP = static_cast<WifiSelectionActivity*>(subActivity.get())->getConnectedIP();
+    connectedSSID = WiFi.SSID().c_str();
+
+    exitActivity();
+
+    // Start the web server
+    startWebServer();
+  } else {
+    // User cancelled - go back
+    onGoBack();
+  }
+}
+
+void CrossPointWebServerActivity::startWebServer() {
+  Serial.printf("[%lu] [WEBACT] Starting web server...\n", millis());
+
+  // Create the web server instance
+  webServer.reset(new CrossPointWebServer());
+  webServer->begin();
+
+  if (webServer->isRunning()) {
+    state = WebServerActivityState::SERVER_RUNNING;
+    Serial.printf("[%lu] [WEBACT] Web server started successfully\n", millis());
+
+    // Force an immediate render since we're transitioning from a subactivity
+    // that had its own rendering task. We need to make sure our display is shown.
+    xSemaphoreTake(renderingMutex, portMAX_DELAY);
+    render();
+    xSemaphoreGive(renderingMutex);
+    Serial.printf("[%lu] [WEBACT] Rendered File Transfer screen\n", millis());
+  } else {
+    Serial.printf("[%lu] [WEBACT] ERROR: Failed to start web server!\n", millis());
+    webServer.reset();
+    // Go back on error
+    onGoBack();
+  }
+}
+
+void CrossPointWebServerActivity::stopWebServer() {
+  if (webServer && webServer->isRunning()) {
+    Serial.printf("[%lu] [WEBACT] Stopping web server...\n", millis());
+    webServer->stop();
+    Serial.printf("[%lu] [WEBACT] Web server stopped\n", millis());
+  }
+  webServer.reset();
+}
+
+void CrossPointWebServerActivity::loop() {
+  if (subActivity) {
+    // Forward loop to subactivity
+    subActivity->loop();
+    return;
+  }
+
+  // Handle different states
+  if (state == WebServerActivityState::SERVER_RUNNING) {
+    // Handle web server requests - call handleClient multiple times per loop
+    // to improve responsiveness and upload throughput
+    if (webServer && webServer->isRunning()) {
+      const unsigned long timeSinceLastHandleClient = millis() - lastHandleClientTime;
+
+      // Log if there's a significant gap between handleClient calls (>100ms)
+      if (lastHandleClientTime > 0 && timeSinceLastHandleClient > 100) {
+        Serial.printf("[%lu] [WEBACT] WARNING: %lu ms gap since last handleClient\n", millis(),
+                      timeSinceLastHandleClient);
+      }
+
+      // Call handleClient multiple times to process pending requests faster
+      // This is critical for upload performance - HTTP file uploads send data
+      // in chunks and each handleClient() call processes incoming data
+      constexpr int HANDLE_CLIENT_ITERATIONS = 10;
+      for (int i = 0; i < HANDLE_CLIENT_ITERATIONS && webServer->isRunning(); i++) {
+        webServer->handleClient();
+      }
+      lastHandleClientTime = millis();
+    }
+
+    // Handle exit on Back button
+    if (inputManager.wasPressed(InputManager::BTN_BACK)) {
+      onGoBack();
+      return;
+    }
+  }
+}
+
+void CrossPointWebServerActivity::displayTaskLoop() {
+  while (true) {
+    if (updateRequired) {
+      updateRequired = false;
+      xSemaphoreTake(renderingMutex, portMAX_DELAY);
+      render();
+      xSemaphoreGive(renderingMutex);
+    }
+    vTaskDelay(10 / portTICK_PERIOD_MS);
+  }
+}
+
+void CrossPointWebServerActivity::render() const {
+  // Only render our own UI when server is running
+  // WiFi selection handles its own rendering
+  if (state == WebServerActivityState::SERVER_RUNNING) {
+    renderer.clearScreen();
+    renderServerRunning();
+    renderer.displayBuffer();
+  }
+}
+
+void CrossPointWebServerActivity::renderServerRunning() const {
+  const auto pageHeight = renderer.getScreenHeight();
+  const auto height = renderer.getLineHeight(UI_FONT_ID);
+  const auto top = (pageHeight - height * 5) / 2;
+
+  renderer.drawCenteredText(READER_FONT_ID, top - 30, "File Transfer", true, BOLD);
+
+  std::string ssidInfo = "Network: " + connectedSSID;
+  if (ssidInfo.length() > 28) {
+    ssidInfo.replace(25, ssidInfo.length() - 25, "...");
+  }
+  renderer.drawCenteredText(UI_FONT_ID, top + 10, ssidInfo.c_str(), true, REGULAR);
+
+  std::string ipInfo = "IP Address: " + connectedIP;
+  renderer.drawCenteredText(UI_FONT_ID, top + 40, ipInfo.c_str(), true, REGULAR);
+
+  // Show web server URL prominently
+  std::string webInfo = "http://" + connectedIP + "/";
+  renderer.drawCenteredText(UI_FONT_ID, top + 70, webInfo.c_str(), true, BOLD);
+
+  renderer.drawCenteredText(SMALL_FONT_ID, top + 110, "Open this URL in your browser", true, REGULAR);
+
+  renderer.drawCenteredText(SMALL_FONT_ID, pageHeight - 30, "Press BACK to exit", true, REGULAR);
+}

src/activities/network/CrossPointWebServerActivity.h

@@ -0,0 +1,62 @@
+#pragma once
+#include <freertos/FreeRTOS.h>
+#include <freertos/semphr.h>
+#include <freertos/task.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+#include "activities/ActivityWithSubactivity.h"
+#include "network/CrossPointWebServer.h"
+
+// Web server activity states
+enum class WebServerActivityState {
+  WIFI_SELECTION,  // WiFi selection subactivity is active
+  SERVER_RUNNING,  // Web server is running and handling requests
+  SHUTTING_DOWN    // Shutting down server and WiFi
+};
+
+/**
+ * CrossPointWebServerActivity is the entry point for file transfer functionality.
+ * It:
+ * - Immediately turns on WiFi and launches WifiSelectionActivity on enter
+ * - When WifiSelectionActivity completes successfully, starts the CrossPointWebServer
+ * - Handles client requests in its loop() function
+ * - Cleans up the server and shuts down WiFi on exit
+ */
+class CrossPointWebServerActivity final : public ActivityWithSubactivity {
+  TaskHandle_t displayTaskHandle = nullptr;
+  SemaphoreHandle_t renderingMutex = nullptr;
+  bool updateRequired = false;
+  WebServerActivityState state = WebServerActivityState::WIFI_SELECTION;
+  const std::function<void()> onGoBack;
+
+  // Web server - owned by this activity
+  std::unique_ptr<CrossPointWebServer> webServer;
+
+  // Server status
+  std::string connectedIP;
+  std::string connectedSSID;
+
+  // Performance monitoring
+  unsigned long lastHandleClientTime = 0;
+
+  static void taskTrampoline(void* param);
+  [[noreturn]] void displayTaskLoop();
+  void render() const;
+  void renderServerRunning() const;
+
+  void onWifiSelectionComplete(bool connected);
+  void startWebServer();
+  void stopWebServer();
+
+ public:
+  explicit CrossPointWebServerActivity(GfxRenderer& renderer, InputManager& inputManager,
+                                       const std::function<void()>& onGoBack)
+      : ActivityWithSubactivity("CrossPointWebServer", renderer, inputManager), onGoBack(onGoBack) {}
+  void onEnter() override;
+  void onExit() override;
+  void loop() override;
+  bool skipLoopDelay() override { return webServer && webServer->isRunning(); }
+};

src/activities/network/WifiSelectionActivity.cpp

@@ -0,0 +1,700 @@
+#include "WifiSelectionActivity.h"
+
+#include <GfxRenderer.h>
+#include <WiFi.h>
+
+#include <map>
+
+#include "WifiCredentialStore.h"
+#include "activities/util/KeyboardEntryActivity.h"
+#include "config.h"
+
+void WifiSelectionActivity::taskTrampoline(void* param) {
+  auto* self = static_cast<WifiSelectionActivity*>(param);
+  self->displayTaskLoop();
+}
+
+void WifiSelectionActivity::onEnter() {
+  Activity::onEnter();
+
+  renderingMutex = xSemaphoreCreateMutex();
+
+  // Load saved WiFi credentials - SD card operations need lock as we use SPI for both
+  xSemaphoreTake(renderingMutex, portMAX_DELAY);
+  WIFI_STORE.loadFromFile();
+  xSemaphoreGive(renderingMutex);
+
+  // Reset state
+  selectedNetworkIndex = 0;
+  networks.clear();
+  state = WifiSelectionState::SCANNING;
+  selectedSSID.clear();
+  connectedIP.clear();
+  connectionError.clear();
+  enteredPassword.clear();
+  usedSavedPassword = false;
+  savePromptSelection = 0;
+  forgetPromptSelection = 0;
+
+  // Trigger first update to show scanning message
+  updateRequired = true;
+
+  xTaskCreate(&WifiSelectionActivity::taskTrampoline, "WifiSelectionTask",
+              4096,               // Stack size (larger for WiFi operations)
+              this,               // Parameters
+              1,                  // Priority
+              &displayTaskHandle  // Task handle
+  );
+
+  // Start WiFi scan
+  startWifiScan();
+}
+
+void WifiSelectionActivity::onExit() {
+  Activity::onExit();
+
+  Serial.printf("[%lu] [WIFI] [MEM] Free heap at onExit start: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  // Stop any ongoing WiFi scan
+  Serial.printf("[%lu] [WIFI] Deleting WiFi scan...\n", millis());
+  WiFi.scanDelete();
+  Serial.printf("[%lu] [WIFI] [MEM] Free heap after scanDelete: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  // Note: We do NOT disconnect WiFi here - the parent activity (CrossPointWebServerActivity)
+  // manages WiFi connection state. We just clean up the scan and task.
+
+  // Acquire mutex before deleting task to ensure task isn't using it
+  // This prevents hangs/crashes if the task holds the mutex when deleted
+  Serial.printf("[%lu] [WIFI] Acquiring rendering mutex before task deletion...\n", millis());
+  xSemaphoreTake(renderingMutex, portMAX_DELAY);
+
+  // Delete the display task (we now hold the mutex, so task is blocked if it needs it)
+  Serial.printf("[%lu] [WIFI] Deleting display task...\n", millis());
+  if (displayTaskHandle) {
+    vTaskDelete(displayTaskHandle);
+    displayTaskHandle = nullptr;
+    Serial.printf("[%lu] [WIFI] Display task deleted\n", millis());
+  }
+
+  // Now safe to delete the mutex since we own it
+  Serial.printf("[%lu] [WIFI] Deleting mutex...\n", millis());
+  vSemaphoreDelete(renderingMutex);
+  renderingMutex = nullptr;
+  Serial.printf("[%lu] [WIFI] Mutex deleted\n", millis());
+
+  Serial.printf("[%lu] [WIFI] [MEM] Free heap at onExit end: %d bytes\n", millis(), ESP.getFreeHeap());
+}
+
+void WifiSelectionActivity::startWifiScan() {
+  state = WifiSelectionState::SCANNING;
+  networks.clear();
+  updateRequired = true;
+
+  // Set WiFi mode to station
+  WiFi.mode(WIFI_STA);
+  WiFi.disconnect();
+  delay(100);
+
+  // Start async scan
+  WiFi.scanNetworks(true);  // true = async scan
+}
+
+void WifiSelectionActivity::processWifiScanResults() {
+  const int16_t scanResult = WiFi.scanComplete();
+
+  if (scanResult == WIFI_SCAN_RUNNING) {
+    // Scan still in progress
+    return;
+  }
+
+  if (scanResult == WIFI_SCAN_FAILED) {
+    state = WifiSelectionState::NETWORK_LIST;
+    updateRequired = true;
+    return;
+  }
+
+  // Scan complete, process results
+  // Use a map to deduplicate networks by SSID, keeping the strongest signal
+  std::map<std::string, WifiNetworkInfo> uniqueNetworks;
+
+  for (int i = 0; i < scanResult; i++) {
+    std::string ssid = WiFi.SSID(i).c_str();
+    const int32_t rssi = WiFi.RSSI(i);
+
+    // Skip hidden networks (empty SSID)
+    if (ssid.empty()) {
+      continue;
+    }
+
+    // Check if we've already seen this SSID
+    auto it = uniqueNetworks.find(ssid);
+    if (it == uniqueNetworks.end() || rssi > it->second.rssi) {
+      // New network or stronger signal than existing entry
+      WifiNetworkInfo network;
+      network.ssid = ssid;
+      network.rssi = rssi;
+      network.isEncrypted = (WiFi.encryptionType(i) != WIFI_AUTH_OPEN);
+      network.hasSavedPassword = WIFI_STORE.hasSavedCredential(network.ssid);
+      uniqueNetworks[ssid] = network;
+    }
+  }
+
+  // Convert map to vector
+  networks.clear();
+  for (const auto& pair : uniqueNetworks) {
+    // cppcheck-suppress useStlAlgorithm
+    networks.push_back(pair.second);
+  }
+
+  // Sort by signal strength (strongest first)
+  std::sort(networks.begin(), networks.end(),
+            [](const WifiNetworkInfo& a, const WifiNetworkInfo& b) { return a.rssi > b.rssi; });
+
+  WiFi.scanDelete();
+  state = WifiSelectionState::NETWORK_LIST;
+  selectedNetworkIndex = 0;
+  updateRequired = true;
+}
+
+void WifiSelectionActivity::selectNetwork(const int index) {
+  if (index < 0 || index >= static_cast<int>(networks.size())) {
+    return;
+  }
+
+  const auto& network = networks[index];
+  selectedSSID = network.ssid;
+  selectedRequiresPassword = network.isEncrypted;
+  usedSavedPassword = false;
+  enteredPassword.clear();
+
+  // Check if we have saved credentials for this network
+  const auto* savedCred = WIFI_STORE.findCredential(selectedSSID);
+  if (savedCred && !savedCred->password.empty()) {
+    // Use saved password - connect directly
+    enteredPassword = savedCred->password;
+    usedSavedPassword = true;
+    Serial.printf("[%lu] [WiFi] Using saved password for %s, length: %zu\n", millis(), selectedSSID.c_str(),
+                  enteredPassword.size());
+    attemptConnection();
+    return;
+  }
+
+  if (selectedRequiresPassword) {
+    // Show password entry
+    state = WifiSelectionState::PASSWORD_ENTRY;
+    enterNewActivity(new KeyboardEntryActivity(renderer, inputManager, "Enter WiFi Password",
+                                               "",    // No initial text
+                                               64,    // Max password length
+                                               false  // Show password by default (hard keyboard to use)
+                                               ));
+    updateRequired = true;
+  } else {
+    // Connect directly for open networks
+    attemptConnection();
+  }
+}
+
+void WifiSelectionActivity::attemptConnection() {
+  state = WifiSelectionState::CONNECTING;
+  connectionStartTime = millis();
+  connectedIP.clear();
+  connectionError.clear();
+  updateRequired = true;
+
+  WiFi.mode(WIFI_STA);
+
+  // Get password from keyboard if we just entered it
+  if (subActivity && !usedSavedPassword) {
+    enteredPassword = static_cast<KeyboardEntryActivity*>(subActivity.get())->getText();
+  }
+
+  if (selectedRequiresPassword && !enteredPassword.empty()) {
+    WiFi.begin(selectedSSID.c_str(), enteredPassword.c_str());
+  } else {
+    WiFi.begin(selectedSSID.c_str());
+  }
+}
+
+void WifiSelectionActivity::checkConnectionStatus() {
+  if (state != WifiSelectionState::CONNECTING) {
+    return;
+  }
+
+  const wl_status_t status = WiFi.status();
+
+  if (status == WL_CONNECTED) {
+    // Successfully connected
+    IPAddress ip = WiFi.localIP();
+    char ipStr[16];
+    snprintf(ipStr, sizeof(ipStr), "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
+    connectedIP = ipStr;
+
+    // If we entered a new password, ask if user wants to save it
+    // Otherwise, immediately complete so parent can start web server
+    if (!usedSavedPassword && !enteredPassword.empty()) {
+      state = WifiSelectionState::SAVE_PROMPT;
+      savePromptSelection = 0;  // Default to "Yes"
+      updateRequired = true;
+    } else {
+      // Using saved password or open network - complete immediately
+      Serial.printf("[%lu] [WIFI] Connected with saved/open credentials, completing immediately\n", millis());
+      onComplete(true);
+    }
+    return;
+  }
+
+  if (status == WL_CONNECT_FAILED || status == WL_NO_SSID_AVAIL) {
+    connectionError = "Connection failed";
+    if (status == WL_NO_SSID_AVAIL) {
+      connectionError = "Network not found";
+    }
+    state = WifiSelectionState::CONNECTION_FAILED;
+    updateRequired = true;
+    return;
+  }
+
+  // Check for timeout
+  if (millis() - connectionStartTime > CONNECTION_TIMEOUT_MS) {
+    WiFi.disconnect();
+    connectionError = "Connection timeout";
+    state = WifiSelectionState::CONNECTION_FAILED;
+    updateRequired = true;
+    return;
+  }
+}
+
+void WifiSelectionActivity::loop() {
+  // Check scan progress
+  if (state == WifiSelectionState::SCANNING) {
+    processWifiScanResults();
+    return;
+  }
+
+  // Check connection progress
+  if (state == WifiSelectionState::CONNECTING) {
+    checkConnectionStatus();
+    return;
+  }
+
+  // Handle password entry state
+  if (state == WifiSelectionState::PASSWORD_ENTRY && subActivity) {
+    const auto keyboard = static_cast<KeyboardEntryActivity*>(subActivity.get());
+    keyboard->handleInput();
+
+    if (keyboard->isComplete()) {
+      attemptConnection();
+      return;
+    }
+
+    if (keyboard->isCancelled()) {
+      state = WifiSelectionState::NETWORK_LIST;
+      exitActivity();
+      updateRequired = true;
+      return;
+    }
+
+    updateRequired = true;
+    return;
+  }
+
+  // Handle save prompt state
+  if (state == WifiSelectionState::SAVE_PROMPT) {
+    if (inputManager.wasPressed(InputManager::BTN_LEFT) || inputManager.wasPressed(InputManager::BTN_UP)) {
+      if (savePromptSelection > 0) {
+        savePromptSelection--;
+        updateRequired = true;
+      }
+    } else if (inputManager.wasPressed(InputManager::BTN_RIGHT) || inputManager.wasPressed(InputManager::BTN_DOWN)) {
+      if (savePromptSelection < 1) {
+        savePromptSelection++;
+        updateRequired = true;
+      }
+    } else if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
+      if (savePromptSelection == 0) {
+        // User chose "Yes" - save the password
+        xSemaphoreTake(renderingMutex, portMAX_DELAY);
+        WIFI_STORE.addCredential(selectedSSID, enteredPassword);
+        xSemaphoreGive(renderingMutex);
+      }
+      // Complete - parent will start web server
+      onComplete(true);
+    } else if (inputManager.wasPressed(InputManager::BTN_BACK)) {
+      // Skip saving, complete anyway
+      onComplete(true);
+    }
+    return;
+  }
+
+  // Handle forget prompt state (connection failed with saved credentials)
+  if (state == WifiSelectionState::FORGET_PROMPT) {
+    if (inputManager.wasPressed(InputManager::BTN_LEFT) || inputManager.wasPressed(InputManager::BTN_UP)) {
+      if (forgetPromptSelection > 0) {
+        forgetPromptSelection--;
+        updateRequired = true;
+      }
+    } else if (inputManager.wasPressed(InputManager::BTN_RIGHT) || inputManager.wasPressed(InputManager::BTN_DOWN)) {
+      if (forgetPromptSelection < 1) {
+        forgetPromptSelection++;
+        updateRequired = true;
+      }
+    } else if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
+      if (forgetPromptSelection == 0) {
+        // User chose "Yes" - forget the network
+        xSemaphoreTake(renderingMutex, portMAX_DELAY);
+        WIFI_STORE.removeCredential(selectedSSID);
+        xSemaphoreGive(renderingMutex);
+        // Update the network list to reflect the change
+        const auto network = find_if(networks.begin(), networks.end(),
+                                     [this](const WifiNetworkInfo& net) { return net.ssid == selectedSSID; });
+        if (network != networks.end()) {
+          network->hasSavedPassword = false;
+        }
+      }
+      // Go back to network list
+      state = WifiSelectionState::NETWORK_LIST;
+      updateRequired = true;
+    } else if (inputManager.wasPressed(InputManager::BTN_BACK)) {
+      // Skip forgetting, go back to network list
+      state = WifiSelectionState::NETWORK_LIST;
+      updateRequired = true;
+    }
+    return;
+  }
+
+  // Handle connected state (should not normally be reached - connection completes immediately)
+  if (state == WifiSelectionState::CONNECTED) {
+    // Safety fallback - immediately complete
+    onComplete(true);
+    return;
+  }
+
+  // Handle connection failed state
+  if (state == WifiSelectionState::CONNECTION_FAILED) {
+    if (inputManager.wasPressed(InputManager::BTN_BACK) || inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
+      // If we used saved credentials, offer to forget the network
+      if (usedSavedPassword) {
+        state = WifiSelectionState::FORGET_PROMPT;
+        forgetPromptSelection = 0;  // Default to "Yes"
+      } else {
+        // Go back to network list on failure
+        state = WifiSelectionState::NETWORK_LIST;
+      }
+      updateRequired = true;
+      return;
+    }
+  }
+
+  // Handle network list state
+  if (state == WifiSelectionState::NETWORK_LIST) {
+    // Check for Back button to exit (cancel)
+    if (inputManager.wasPressed(InputManager::BTN_BACK)) {
+      onComplete(false);
+      return;
+    }
+
+    // Check for Confirm button to select network or rescan
+    if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
+      if (!networks.empty()) {
+        selectNetwork(selectedNetworkIndex);
+      } else {
+        startWifiScan();
+      }
+      return;
+    }
+
+    // Handle UP/DOWN navigation
+    if (inputManager.wasPressed(InputManager::BTN_UP) || inputManager.wasPressed(InputManager::BTN_LEFT)) {
+      if (selectedNetworkIndex > 0) {
+        selectedNetworkIndex--;
+        updateRequired = true;
+      }
+    } else if (inputManager.wasPressed(InputManager::BTN_DOWN) || inputManager.wasPressed(InputManager::BTN_RIGHT)) {
+      if (!networks.empty() && selectedNetworkIndex < static_cast<int>(networks.size()) - 1) {
+        selectedNetworkIndex++;
+        updateRequired = true;
+      }
+    }
+  }
+}
+
+std::string WifiSelectionActivity::getSignalStrengthIndicator(const int32_t rssi) const {
+  // Convert RSSI to signal bars representation
+  if (rssi >= -50) {
+    return "||||";  // Excellent
+  }
+  if (rssi >= -60) {
+    return "||| ";  // Good
+  }
+  if (rssi >= -70) {
+    return "||  ";  // Fair
+  }
+  if (rssi >= -80) {
+    return "|   ";  // Weak
+  }
+  return "    ";  // Very weak
+}
+
+void WifiSelectionActivity::displayTaskLoop() {
+  while (true) {
+    if (updateRequired) {
+      updateRequired = false;
+      xSemaphoreTake(renderingMutex, portMAX_DELAY);
+      render();
+      xSemaphoreGive(renderingMutex);
+    }
+    vTaskDelay(10 / portTICK_PERIOD_MS);
+  }
+}
+
+void WifiSelectionActivity::render() const {
+  renderer.clearScreen();
+
+  switch (state) {
+    case WifiSelectionState::SCANNING:
+      renderConnecting();  // Reuse connecting screen with different message
+      break;
+    case WifiSelectionState::NETWORK_LIST:
+      renderNetworkList();
+      break;
+    case WifiSelectionState::PASSWORD_ENTRY:
+      renderPasswordEntry();
+      break;
+    case WifiSelectionState::CONNECTING:
+      renderConnecting();
+      break;
+    case WifiSelectionState::CONNECTED:
+      renderConnected();
+      break;
+    case WifiSelectionState::SAVE_PROMPT:
+      renderSavePrompt();
+      break;
+    case WifiSelectionState::CONNECTION_FAILED:
+      renderConnectionFailed();
+      break;
+    case WifiSelectionState::FORGET_PROMPT:
+      renderForgetPrompt();
+      break;
+  }
+
+  renderer.displayBuffer();
+}
+
+void WifiSelectionActivity::renderNetworkList() const {
+  const auto pageWidth = renderer.getScreenWidth();
+  const auto pageHeight = renderer.getScreenHeight();
+
+  // Draw header
+  renderer.drawCenteredText(READER_FONT_ID, 10, "WiFi Networks", true, BOLD);
+
+  if (networks.empty()) {
+    // No networks found or scan failed
+    const auto height = renderer.getLineHeight(UI_FONT_ID);
+    const auto top = (pageHeight - height) / 2;
+    renderer.drawCenteredText(UI_FONT_ID, top, "No networks found", true, REGULAR);
+    renderer.drawCenteredText(SMALL_FONT_ID, top + height + 10, "Press OK to scan again", true, REGULAR);
+  } else {
+    // Calculate how many networks we can display
+    constexpr int startY = 60;
+    constexpr int lineHeight = 25;
+    const int maxVisibleNetworks = (pageHeight - startY - 40) / lineHeight;
+
+    // Calculate scroll offset to keep selected item visible
+    int scrollOffset = 0;
+    if (selectedNetworkIndex >= maxVisibleNetworks) {
+      scrollOffset = selectedNetworkIndex - maxVisibleNetworks + 1;
+    }
+
+    // Draw networks
+    int displayIndex = 0;
+    for (size_t i = scrollOffset; i < networks.size() && displayIndex < maxVisibleNetworks; i++, displayIndex++) {
+      const int networkY = startY + displayIndex * lineHeight;
+      const auto& network = networks[i];
+
+      // Draw selection indicator
+      if (static_cast<int>(i) == selectedNetworkIndex) {
+        renderer.drawText(UI_FONT_ID, 5, networkY, ">");
+      }
+
+      // Draw network name (truncate if too long)
+      std::string displayName = network.ssid;
+      if (displayName.length() > 16) {
+        displayName.replace(13, displayName.length() - 13, "...");
+      }
+      renderer.drawText(UI_FONT_ID, 20, networkY, displayName.c_str());
+
+      // Draw signal strength indicator
+      std::string signalStr = getSignalStrengthIndicator(network.rssi);
+      renderer.drawText(UI_FONT_ID, pageWidth - 90, networkY, signalStr.c_str());
+
+      // Draw saved indicator (checkmark) for networks with saved passwords
+      if (network.hasSavedPassword) {
+        renderer.drawText(UI_FONT_ID, pageWidth - 50, networkY, "+");
+      }
+
+      // Draw lock icon for encrypted networks
+      if (network.isEncrypted) {
+        renderer.drawText(UI_FONT_ID, pageWidth - 30, networkY, "*");
+      }
+    }
+
+    // Draw scroll indicators if needed
+    if (scrollOffset > 0) {
+      renderer.drawText(SMALL_FONT_ID, pageWidth - 15, startY - 10, "^");
+    }
+    if (scrollOffset + maxVisibleNetworks < static_cast<int>(networks.size())) {
+      renderer.drawText(SMALL_FONT_ID, pageWidth - 15, startY + maxVisibleNetworks * lineHeight, "v");
+    }
+
+    // Show network count
+    char countStr[32];
+    snprintf(countStr, sizeof(countStr), "%zu networks found", networks.size());
+    renderer.drawText(SMALL_FONT_ID, 20, pageHeight - 45, countStr);
+  }
+
+  // Draw help text
+  renderer.drawText(SMALL_FONT_ID, 20, pageHeight - 30, "OK: Connect | * = Encrypted | + = Saved");
+}
+
+void WifiSelectionActivity::renderPasswordEntry() const {
+  // Draw header
+  renderer.drawCenteredText(READER_FONT_ID, 5, "WiFi Password", true, BOLD);
+
+  // Draw network name with good spacing from header
+  std::string networkInfo = "Network: " + selectedSSID;
+  if (networkInfo.length() > 30) {
+    networkInfo.replace(27, networkInfo.length() - 27, "...");
+  }
+  renderer.drawCenteredText(UI_FONT_ID, 38, networkInfo.c_str(), true, REGULAR);
+
+  // Draw keyboard
+  if (subActivity) {
+    static_cast<KeyboardEntryActivity*>(subActivity.get())->render(58);
+  }
+}
+
+void WifiSelectionActivity::renderConnecting() const {
+  const auto pageHeight = renderer.getScreenHeight();
+  const auto height = renderer.getLineHeight(UI_FONT_ID);
+  const auto top = (pageHeight - height) / 2;
+
+  if (state == WifiSelectionState::SCANNING) {
+    renderer.drawCenteredText(UI_FONT_ID, top, "Scanning...", true, REGULAR);
+  } else {
+    renderer.drawCenteredText(READER_FONT_ID, top - 30, "Connecting...", true, BOLD);
+
+    std::string ssidInfo = "to " + selectedSSID;
+    if (ssidInfo.length() > 25) {
+      ssidInfo.replace(22, ssidInfo.length() - 22, "...");
+    }
+    renderer.drawCenteredText(UI_FONT_ID, top, ssidInfo.c_str(), true, REGULAR);
+  }
+}
+
+void WifiSelectionActivity::renderConnected() const {
+  const auto pageHeight = renderer.getScreenHeight();
+  const auto height = renderer.getLineHeight(UI_FONT_ID);
+  const auto top = (pageHeight - height * 4) / 2;
+
+  renderer.drawCenteredText(READER_FONT_ID, top - 30, "Connected!", true, BOLD);
+
+  std::string ssidInfo = "Network: " + selectedSSID;
+  if (ssidInfo.length() > 28) {
+    ssidInfo.replace(25, ssidInfo.length() - 25, "...");
+  }
+  renderer.drawCenteredText(UI_FONT_ID, top + 10, ssidInfo.c_str(), true, REGULAR);
+
+  const std::string ipInfo = "IP Address: " + connectedIP;
+  renderer.drawCenteredText(UI_FONT_ID, top + 40, ipInfo.c_str(), true, REGULAR);
+
+  renderer.drawCenteredText(SMALL_FONT_ID, pageHeight - 30, "Press any button to continue", true, REGULAR);
+}
+
+void WifiSelectionActivity::renderSavePrompt() const {
+  const auto pageWidth = renderer.getScreenWidth();
+  const auto pageHeight = renderer.getScreenHeight();
+  const auto height = renderer.getLineHeight(UI_FONT_ID);
+  const auto top = (pageHeight - height * 3) / 2;
+
+  renderer.drawCenteredText(READER_FONT_ID, top - 40, "Connected!", true, BOLD);
+
+  std::string ssidInfo = "Network: " + selectedSSID;
+  if (ssidInfo.length() > 28) {
+    ssidInfo.replace(25, ssidInfo.length() - 25, "...");
+  }
+  renderer.drawCenteredText(UI_FONT_ID, top, ssidInfo.c_str(), true, REGULAR);
+
+  renderer.drawCenteredText(UI_FONT_ID, top + 40, "Save password for next time?", true, REGULAR);
+
+  // Draw Yes/No buttons
+  const int buttonY = top + 80;
+  constexpr int buttonWidth = 60;
+  constexpr int buttonSpacing = 30;
+  constexpr int totalWidth = buttonWidth * 2 + buttonSpacing;
+  const int startX = (pageWidth - totalWidth) / 2;
+
+  // Draw "Yes" button
+  if (savePromptSelection == 0) {
+    renderer.drawText(UI_FONT_ID, startX, buttonY, "[Yes]");
+  } else {
+    renderer.drawText(UI_FONT_ID, startX + 4, buttonY, "Yes");
+  }
+
+  // Draw "No" button
+  if (savePromptSelection == 1) {
+    renderer.drawText(UI_FONT_ID, startX + buttonWidth + buttonSpacing, buttonY, "[No]");
+  } else {
+    renderer.drawText(UI_FONT_ID, startX + buttonWidth + buttonSpacing + 4, buttonY, "No");
+  }
+
+  renderer.drawCenteredText(SMALL_FONT_ID, pageHeight - 30, "LEFT/RIGHT: Select | OK: Confirm", true, REGULAR);
+}
+
+void WifiSelectionActivity::renderConnectionFailed() const {
+  const auto pageHeight = renderer.getScreenHeight();
+  const auto height = renderer.getLineHeight(UI_FONT_ID);
+  const auto top = (pageHeight - height * 2) / 2;
+
+  renderer.drawCenteredText(READER_FONT_ID, top - 20, "Connection Failed", true, BOLD);
+  renderer.drawCenteredText(UI_FONT_ID, top + 20, connectionError.c_str(), true, REGULAR);
+  renderer.drawCenteredText(SMALL_FONT_ID, pageHeight - 30, "Press any button to continue", true, REGULAR);
+}
+
+void WifiSelectionActivity::renderForgetPrompt() const {
+  const auto pageWidth = renderer.getScreenWidth();
+  const auto pageHeight = renderer.getScreenHeight();
+  const auto height = renderer.getLineHeight(UI_FONT_ID);
+  const auto top = (pageHeight - height * 3) / 2;
+
+  renderer.drawCenteredText(READER_FONT_ID, top - 40, "Forget Network?", true, BOLD);
+
+  std::string ssidInfo = "Network: " + selectedSSID;
+  if (ssidInfo.length() > 28) {
+    ssidInfo.replace(25, ssidInfo.length() - 25, "...");
+  }
+  renderer.drawCenteredText(UI_FONT_ID, top, ssidInfo.c_str(), true, REGULAR);
+
+  renderer.drawCenteredText(UI_FONT_ID, top + 40, "Remove saved password?", true, REGULAR);
+
+  // Draw Yes/No buttons
+  const int buttonY = top + 80;
+  constexpr int buttonWidth = 60;
+  constexpr int buttonSpacing = 30;
+  constexpr int totalWidth = buttonWidth * 2 + buttonSpacing;
+  const int startX = (pageWidth - totalWidth) / 2;
+
+  // Draw "Yes" button
+  if (forgetPromptSelection == 0) {
+    renderer.drawText(UI_FONT_ID, startX, buttonY, "[Yes]");
+  } else {
+    renderer.drawText(UI_FONT_ID, startX + 4, buttonY, "Yes");
+  }
+
+  // Draw "No" button
+  if (forgetPromptSelection == 1) {
+    renderer.drawText(UI_FONT_ID, startX + buttonWidth + buttonSpacing, buttonY, "[No]");
+  } else {
+    renderer.drawText(UI_FONT_ID, startX + buttonWidth + buttonSpacing + 4, buttonY, "No");
+  }
+
+  renderer.drawCenteredText(SMALL_FONT_ID, pageHeight - 30, "LEFT/RIGHT: Select | OK: Confirm", true, REGULAR);
+}

src/activities/network/WifiSelectionActivity.h

@@ -0,0 +1,104 @@
+#pragma once
+#include <freertos/FreeRTOS.h>
+#include <freertos/semphr.h>
+#include <freertos/task.h>
+
+#include <cstdint>
+#include <functional>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "activities/ActivityWithSubactivity.h"
+
+// Structure to hold WiFi network information
+struct WifiNetworkInfo {
+  std::string ssid;
+  int32_t rssi;
+  bool isEncrypted;
+  bool hasSavedPassword;  // Whether we have saved credentials for this network
+};
+
+// WiFi selection states
+enum class WifiSelectionState {
+  SCANNING,           // Scanning for networks
+  NETWORK_LIST,       // Displaying available networks
+  PASSWORD_ENTRY,     // Entering password for selected network
+  CONNECTING,         // Attempting to connect
+  CONNECTED,          // Successfully connected
+  SAVE_PROMPT,        // Asking user if they want to save the password
+  CONNECTION_FAILED,  // Connection failed
+  FORGET_PROMPT       // Asking user if they want to forget the network
+};
+
+/**
+ * WifiSelectionActivity is responsible for scanning WiFi APs and connecting to them.
+ * It will:
+ * - Enter scanning mode on entry
+ * - List available WiFi networks
+ * - Allow selection and launch KeyboardEntryActivity for password if needed
+ * - Save the password if requested
+ * - Call onComplete callback when connected or cancelled
+ *
+ * The onComplete callback receives true if connected successfully, false if cancelled.
+ */
+class WifiSelectionActivity final : public ActivityWithSubactivity {
+  TaskHandle_t displayTaskHandle = nullptr;
+  SemaphoreHandle_t renderingMutex = nullptr;
+  bool updateRequired = false;
+  WifiSelectionState state = WifiSelectionState::SCANNING;
+  int selectedNetworkIndex = 0;
+  std::vector<WifiNetworkInfo> networks;
+  const std::function<void(bool connected)> onComplete;
+
+  // Selected network for connection
+  std::string selectedSSID;
+  bool selectedRequiresPassword = false;
+
+  // Connection result
+  std::string connectedIP;
+  std::string connectionError;
+
+  // Password to potentially save (from keyboard or saved credentials)
+  std::string enteredPassword;
+
+  // Whether network was connected using a saved password (skip save prompt)
+  bool usedSavedPassword = false;
+
+  // Save/forget prompt selection (0 = Yes, 1 = No)
+  int savePromptSelection = 0;
+  int forgetPromptSelection = 0;
+
+  // Connection timeout
+  static constexpr unsigned long CONNECTION_TIMEOUT_MS = 15000;
+  unsigned long connectionStartTime = 0;
+
+  static void taskTrampoline(void* param);
+  [[noreturn]] void displayTaskLoop();
+  void render() const;
+  void renderNetworkList() const;
+  void renderPasswordEntry() const;
+  void renderConnecting() const;
+  void renderConnected() const;
+  void renderSavePrompt() const;
+  void renderConnectionFailed() const;
+  void renderForgetPrompt() const;
+
+  void startWifiScan();
+  void processWifiScanResults();
+  void selectNetwork(int index);
+  void attemptConnection();
+  void checkConnectionStatus();
+  std::string getSignalStrengthIndicator(int32_t rssi) const;
+
+ public:
+  explicit WifiSelectionActivity(GfxRenderer& renderer, InputManager& inputManager,
+                                 const std::function<void(bool connected)>& onComplete)
+      : ActivityWithSubactivity("WifiSelection", renderer, inputManager), onComplete(onComplete) {}
+  void onEnter() override;
+  void onExit() override;
+  void loop() override;
+
+  // Get the IP address after successful connection
+  const std::string& getConnectedIP() const { return connectedIP; }
+};

src/activities/reader/EpubReaderActivity.cpp

@@ -1,27 +1,34 @@
-#include "EpubReaderScreen.h"
+#include "EpubReaderActivity.h"
 
 #include <Epub/Page.h>
 #include <GfxRenderer.h>
+#include <InputManager.h>
 #include <SD.h>
 
 #include "Battery.h"
-#include "EpubReaderChapterSelectionScreen.h"
+#include "CrossPointSettings.h"
+#include "CrossPointState.h"
+#include "EpubReaderChapterSelectionActivity.h"
 #include "config.h"
 
-constexpr int PAGES_PER_REFRESH = 15;
-constexpr unsigned long SKIP_CHAPTER_MS = 700;
+namespace {
+constexpr int pagesPerRefresh = 15;
+constexpr unsigned long skipChapterMs = 700;
 constexpr float lineCompression = 0.95f;
 constexpr int marginTop = 8;
 constexpr int marginRight = 10;
 constexpr int marginBottom = 22;
 constexpr int marginLeft = 10;
+}  // namespace
 
-void EpubReaderScreen::taskTrampoline(void* param) {
-  auto* self = static_cast<EpubReaderScreen*>(param);
+void EpubReaderActivity::taskTrampoline(void* param) {
+  auto* self = static_cast<EpubReaderActivity*>(param);
   self->displayTaskLoop();
 }
 
-void EpubReaderScreen::onEnter() {
+void EpubReaderActivity::onEnter() {
+  ActivityWithSubactivity::onEnter();
+
   if (!epub) {
     return;
   }
@@ -30,21 +37,25 @@ void EpubReaderScreen::onEnter() {
 
   epub->setupCacheDir();
 
-  // TODO: Move this to a state object
-  if (SD.exists((epub->getCachePath() + "/progress.bin").c_str())) {
-    File f = SD.open((epub->getCachePath() + "/progress.bin").c_str());
+  File f = SD.open((epub->getCachePath() + "/progress.bin").c_str());
+  if (f) {
     uint8_t data[4];
-    f.read(data, 4);
-    currentSpineIndex = data[0] + (data[1] << 8);
-    nextPageNumber = data[2] + (data[3] << 8);
-    Serial.printf("[%lu] [ERS] Loaded cache: %d, %d\n", millis(), currentSpineIndex, nextPageNumber);
+    if (f.read(data, 4) == 4) {
+      currentSpineIndex = data[0] + (data[1] << 8);
+      nextPageNumber = data[2] + (data[3] << 8);
+      Serial.printf("[%lu] [ERS] Loaded cache: %d, %d\n", millis(), currentSpineIndex, nextPageNumber);
+    }
     f.close();
   }
 
+  // Save current epub as last opened epub
+  APP_STATE.openEpubPath = epub->getPath();
+  APP_STATE.saveToFile();
+
   // Trigger first update
   updateRequired = true;
 
-  xTaskCreate(&EpubReaderScreen::taskTrampoline, "EpubReaderScreenTask",
+  xTaskCreate(&EpubReaderActivity::taskTrampoline, "EpubReaderActivityTask",
               8192,               // Stack size
               this,               // Parameters
               1,                  // Priority
@@ -52,7 +63,9 @@ void EpubReaderScreen::onEnter() {
   );
 }
 
-void EpubReaderScreen::onExit() {
+void EpubReaderActivity::onExit() {
+  ActivityWithSubactivity::onExit();
+
   // Wait until not rendering to delete task to avoid killing mid-instruction to EPD
   xSemaphoreTake(renderingMutex, portMAX_DELAY);
   if (displayTaskHandle) {
@@ -65,22 +78,22 @@ void EpubReaderScreen::onExit() {
   epub.reset();
 }
 
-void EpubReaderScreen::handleInput() {
-  // Pass input responsibility to sub screen if exists
-  if (subScreen) {
-    subScreen->handleInput();
+void EpubReaderActivity::loop() {
+  // Pass input responsibility to sub activity if exists
+  if (subActivity) {
+    subActivity->loop();
     return;
   }
 
-  // Enter chapter selection screen
+  // Enter chapter selection activity
   if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
-    // Don't start screen transition while rendering
+    // Don't start activity transition while rendering
     xSemaphoreTake(renderingMutex, portMAX_DELAY);
-    subScreen.reset(new EpubReaderChapterSelectionScreen(
+    exitActivity();
+    enterNewActivity(new EpubReaderChapterSelectionActivity(
         this->renderer, this->inputManager, epub, currentSpineIndex,
         [this] {
-          subScreen->onExit();
-          subScreen.reset();
+          exitActivity();
           updateRequired = true;
         },
         [this](const int newSpineIndex) {
@@ -89,16 +102,14 @@ void EpubReaderScreen::handleInput() {
             nextPageNumber = 0;
             section.reset();
           }
-          subScreen->onExit();
-          subScreen.reset();
+          exitActivity();
           updateRequired = true;
         }));
-    subScreen->onEnter();
     xSemaphoreGive(renderingMutex);
   }
 
   if (inputManager.wasPressed(InputManager::BTN_BACK)) {
-    onGoHome();
+    onGoBack();
     return;
   }
 
@@ -119,7 +130,7 @@ void EpubReaderScreen::handleInput() {
     return;
   }
 
-  const bool skipChapter = inputManager.getHeldTime() > SKIP_CHAPTER_MS;
+  const bool skipChapter = inputManager.getHeldTime() > skipChapterMs;
 
   if (skipChapter) {
     // We don't want to delete the section mid-render, so grab the semaphore
@@ -165,7 +176,7 @@ void EpubReaderScreen::handleInput() {
   }
 }
 
-void EpubReaderScreen::displayTaskLoop() {
+void EpubReaderActivity::displayTaskLoop() {
   while (true) {
     if (updateRequired) {
       updateRequired = false;
@@ -178,7 +189,7 @@ void EpubReaderScreen::displayTaskLoop() {
 }
 
 // TODO: Failure handling
-void EpubReaderScreen::renderScreen() {
+void EpubReaderActivity::renderScreen() {
   if (!epub) {
     return;
   }
@@ -204,8 +215,8 @@ void EpubReaderScreen::renderScreen() {
     const auto filepath = epub->getSpineItem(currentSpineIndex);
     Serial.printf("[%lu] [ERS] Loading file: %s, index: %d\n", millis(), filepath.c_str(), currentSpineIndex);
     section = std::unique_ptr<Section>(new Section(epub, currentSpineIndex, renderer));
-    if (!section->loadCacheMetadata(READER_FONT_ID, lineCompression, marginTop, marginRight, marginBottom,
-                                    marginLeft)) {
+    if (!section->loadCacheMetadata(READER_FONT_ID, lineCompression, marginTop, marginRight, marginBottom, marginLeft,
+                                    SETTINGS.extraParagraphSpacing)) {
       Serial.printf("[%lu] [ERS] Cache not found, building...\n", millis());
 
       {
@@ -215,11 +226,7 @@ void EpubReaderScreen::renderScreen() {
         constexpr int y = 50;
         const int w = textWidth + margin * 2;
         const int h = renderer.getLineHeight(READER_FONT_ID) + margin * 2;
-        renderer.grayscaleRevert();
-        uint8_t* fb1 = renderer.getFrameBuffer();
-        renderer.swapBuffers();
-        memcpy(fb1, renderer.getFrameBuffer(), EInkDisplay::BUFFER_SIZE);
-        renderer.fillRect(x, y, w, h, 0);
+        renderer.fillRect(x, y, w, h, false);
         renderer.drawText(READER_FONT_ID, x + margin, y + margin, "Indexing...");
         renderer.drawRect(x + 5, y + 5, w - 10, h - 10);
         renderer.displayBuffer();
@@ -228,7 +235,7 @@ void EpubReaderScreen::renderScreen() {
 
       section->setupCacheDir();
       if (!section->persistPageDataToSD(READER_FONT_ID, lineCompression, marginTop, marginRight, marginBottom,
-                                        marginLeft)) {
+                                        marginLeft, SETTINGS.extraParagraphSpacing)) {
         Serial.printf("[%lu] [ERS] Failed to persist page data to SD\n", millis());
         section.reset();
         return;
@@ -285,41 +292,53 @@ void EpubReaderScreen::renderScreen() {
   f.close();
 }
 
-void EpubReaderScreen::renderContents(std::unique_ptr<Page> page) {
+void EpubReaderActivity::renderContents(std::unique_ptr<Page> page) {
   page->render(renderer, READER_FONT_ID);
   renderStatusBar();
   if (pagesUntilFullRefresh <= 1) {
     renderer.displayBuffer(EInkDisplay::HALF_REFRESH);
-    pagesUntilFullRefresh = PAGES_PER_REFRESH;
+    pagesUntilFullRefresh = pagesPerRefresh;
   } else {
     renderer.displayBuffer();
     pagesUntilFullRefresh--;
   }
 
+  // Save bw buffer to reset buffer state after grayscale data sync
+  renderer.storeBwBuffer();
+
   // grayscale rendering
   // TODO: Only do this if font supports it
   {
     renderer.clearScreen(0x00);
-    renderer.setFontRenderMode(GfxRenderer::GRAYSCALE_LSB);
+    renderer.setRenderMode(GfxRenderer::GRAYSCALE_LSB);
     page->render(renderer, READER_FONT_ID);
     renderer.copyGrayscaleLsbBuffers();
 
     // Render and copy to MSB buffer
     renderer.clearScreen(0x00);
-    renderer.setFontRenderMode(GfxRenderer::GRAYSCALE_MSB);
+    renderer.setRenderMode(GfxRenderer::GRAYSCALE_MSB);
     page->render(renderer, READER_FONT_ID);
     renderer.copyGrayscaleMsbBuffers();
 
     // display grayscale part
     renderer.displayGrayBuffer();
-    renderer.setFontRenderMode(GfxRenderer::BW);
+    renderer.setRenderMode(GfxRenderer::BW);
   }
+
+  // restore the bw data
+  renderer.restoreBwBuffer();
 }
 
-void EpubReaderScreen::renderStatusBar() const {
+void EpubReaderActivity::renderStatusBar() const {
   constexpr auto textY = 776;
+
+  // Calculate progress in book
+  const float sectionChapterProg = static_cast<float>(section->currentPage) / section->pageCount;
+  const uint8_t bookProgress = epub->calculateProgress(currentSpineIndex, sectionChapterProg);
+
   // Right aligned text for progress counter
-  const std::string progress = std::to_string(section->currentPage + 1) + " / " + std::to_string(section->pageCount);
+  const std::string progress = std::to_string(section->currentPage + 1) + "/" + std::to_string(section->pageCount) +
+                               "  " + std::to_string(bookProgress) + "%";
   const auto progressTextWidth = renderer.getTextWidth(SMALL_FONT_ID, progress.c_str());
   renderer.drawText(SMALL_FONT_ID, GfxRenderer::getScreenWidth() - marginRight - progressTextWidth, textY,
                     progress.c_str());
@@ -371,8 +390,8 @@ void EpubReaderScreen::renderStatusBar() const {
     const auto tocItem = epub->getTocItem(tocIndex);
     title = tocItem.title;
     titleWidth = renderer.getTextWidth(SMALL_FONT_ID, title.c_str());
-    while (titleWidth > availableTextWidth) {
-      title = title.substr(0, title.length() - 8) + "...";
+    while (titleWidth > availableTextWidth && title.length() > 11) {
+      title.replace(title.length() - 8, 8, "...");
       titleWidth = renderer.getTextWidth(SMALL_FONT_ID, title.c_str());
     }
   }

src/activities/reader/EpubReaderActivity.h

@@ -5,19 +5,18 @@
 #include <freertos/semphr.h>
 #include <freertos/task.h>
 
-#include "Screen.h"
+#include "activities/ActivityWithSubactivity.h"
 
-class EpubReaderScreen final : public Screen {
+class EpubReaderActivity final : public ActivityWithSubactivity {
   std::shared_ptr<Epub> epub;
   std::unique_ptr<Section> section = nullptr;
   TaskHandle_t displayTaskHandle = nullptr;
   SemaphoreHandle_t renderingMutex = nullptr;
-  std::unique_ptr<Screen> subScreen = nullptr;
   int currentSpineIndex = 0;
   int nextPageNumber = 0;
   int pagesUntilFullRefresh = 0;
   bool updateRequired = false;
-  const std::function<void()> onGoHome;
+  const std::function<void()> onGoBack;
 
   static void taskTrampoline(void* param);
   [[noreturn]] void displayTaskLoop();
@@ -26,10 +25,10 @@ class EpubReaderScreen final : public Screen {
   void renderStatusBar() const;
 
  public:
-  explicit EpubReaderScreen(GfxRenderer& renderer, InputManager& inputManager, std::unique_ptr<Epub> epub,
-                            const std::function<void()>& onGoHome)
-      : Screen(renderer, inputManager), epub(std::move(epub)), onGoHome(onGoHome) {}
+  explicit EpubReaderActivity(GfxRenderer& renderer, InputManager& inputManager, std::unique_ptr<Epub> epub,
+                              const std::function<void()>& onGoBack)
+      : ActivityWithSubactivity("EpubReader", renderer, inputManager), epub(std::move(epub)), onGoBack(onGoBack) {}
   void onEnter() override;
   void onExit() override;
-  void handleInput() override;
+  void loop() override;
 };

src/activities/reader/EpubReaderChapterSelectionActivity.cpp

@@ -1,19 +1,24 @@
-#include "EpubReaderChapterSelectionScreen.h"
+#include "EpubReaderChapterSelectionActivity.h"
 
 #include <GfxRenderer.h>
+#include <InputManager.h>
 #include <SD.h>
 
 #include "config.h"
 
+namespace {
 constexpr int PAGE_ITEMS = 24;
 constexpr int SKIP_PAGE_MS = 700;
+}  // namespace
 
-void EpubReaderChapterSelectionScreen::taskTrampoline(void* param) {
-  auto* self = static_cast<EpubReaderChapterSelectionScreen*>(param);
+void EpubReaderChapterSelectionActivity::taskTrampoline(void* param) {
+  auto* self = static_cast<EpubReaderChapterSelectionActivity*>(param);
   self->displayTaskLoop();
 }
 
-void EpubReaderChapterSelectionScreen::onEnter() {
+void EpubReaderChapterSelectionActivity::onEnter() {
+  Activity::onEnter();
+
   if (!epub) {
     return;
   }
@@ -23,7 +28,7 @@ void EpubReaderChapterSelectionScreen::onEnter() {
 
   // Trigger first update
   updateRequired = true;
-  xTaskCreate(&EpubReaderChapterSelectionScreen::taskTrampoline, "EpubReaderChapterSelectionScreenTask",
+  xTaskCreate(&EpubReaderChapterSelectionActivity::taskTrampoline, "EpubReaderChapterSelectionActivityTask",
               2048,               // Stack size
               this,               // Parameters
               1,                  // Priority
@@ -31,7 +36,9 @@ void EpubReaderChapterSelectionScreen::onEnter() {
   );
 }
 
-void EpubReaderChapterSelectionScreen::onExit() {
+void EpubReaderChapterSelectionActivity::onExit() {
+  Activity::onExit();
+
   // Wait until not rendering to delete task to avoid killing mid-instruction to EPD
   xSemaphoreTake(renderingMutex, portMAX_DELAY);
   if (displayTaskHandle) {
@@ -42,7 +49,7 @@ void EpubReaderChapterSelectionScreen::onExit() {
   renderingMutex = nullptr;
 }
 
-void EpubReaderChapterSelectionScreen::handleInput() {
+void EpubReaderChapterSelectionActivity::loop() {
   const bool prevReleased =
       inputManager.wasReleased(InputManager::BTN_UP) || inputManager.wasReleased(InputManager::BTN_LEFT);
   const bool nextReleased =
@@ -72,7 +79,7 @@ void EpubReaderChapterSelectionScreen::handleInput() {
   }
 }
 
-void EpubReaderChapterSelectionScreen::displayTaskLoop() {
+void EpubReaderChapterSelectionActivity::displayTaskLoop() {
   while (true) {
     if (updateRequired) {
       updateRequired = false;
@@ -84,7 +91,7 @@ void EpubReaderChapterSelectionScreen::displayTaskLoop() {
   }
 }
 
-void EpubReaderChapterSelectionScreen::renderScreen() {
+void EpubReaderChapterSelectionActivity::renderScreen() {
   renderer.clearScreen();
 
   const auto pageWidth = renderer.getScreenWidth();

src/activities/reader/EpubReaderChapterSelectionActivity.h

@@ -6,9 +6,9 @@
 
 #include <memory>
 
-#include "Screen.h"
+#include "../Activity.h"
 
-class EpubReaderChapterSelectionScreen final : public Screen {
+class EpubReaderChapterSelectionActivity final : public Activity {
   std::shared_ptr<Epub> epub;
   TaskHandle_t displayTaskHandle = nullptr;
   SemaphoreHandle_t renderingMutex = nullptr;
@@ -23,16 +23,16 @@ class EpubReaderChapterSelectionScreen final : public Screen {
   void renderScreen();
 
  public:
-  explicit EpubReaderChapterSelectionScreen(GfxRenderer& renderer, InputManager& inputManager,
-                                            const std::shared_ptr<Epub>& epub, const int currentSpineIndex,
-                                            const std::function<void()>& onGoBack,
-                                            const std::function<void(int newSpineIndex)>& onSelectSpineIndex)
-      : Screen(renderer, inputManager),
+  explicit EpubReaderChapterSelectionActivity(GfxRenderer& renderer, InputManager& inputManager,
+                                              const std::shared_ptr<Epub>& epub, const int currentSpineIndex,
+                                              const std::function<void()>& onGoBack,
+                                              const std::function<void(int newSpineIndex)>& onSelectSpineIndex)
+      : Activity("EpubReaderChapterSelection", renderer, inputManager),
         epub(epub),
         currentSpineIndex(currentSpineIndex),
         onGoBack(onGoBack),
         onSelectSpineIndex(onSelectSpineIndex) {}
   void onEnter() override;
   void onExit() override;
-  void handleInput() override;
+  void loop() override;
 };

src/activities/reader/FileSelectionActivity.cpp

@@ -1,10 +1,16 @@
-#include "FileSelectionScreen.h"
+#include "FileSelectionActivity.h"
 
 #include <GfxRenderer.h>
+#include <InputManager.h>
 #include <SD.h>
 
 #include "config.h"
 
+namespace {
+constexpr int PAGE_ITEMS = 23;
+constexpr int SKIP_PAGE_MS = 700;
+}  // namespace
+
 void sortFileList(std::vector<std::string>& strs) {
   std::sort(begin(strs), end(strs), [](const std::string& str1, const std::string& str2) {
     if (str1.back() == '/' && str2.back() != '/') return true;
@@ -15,12 +21,12 @@ void sortFileList(std::vector<std::string>& strs) {
   });
 }
 
-void FileSelectionScreen::taskTrampoline(void* param) {
-  auto* self = static_cast<FileSelectionScreen*>(param);
+void FileSelectionActivity::taskTrampoline(void* param) {
+  auto* self = static_cast<FileSelectionActivity*>(param);
   self->displayTaskLoop();
 }
 
-void FileSelectionScreen::loadFiles() {
+void FileSelectionActivity::loadFiles() {
   files.clear();
   selectorIndex = 0;
   auto root = SD.open(basepath.c_str());
@@ -42,7 +48,9 @@ void FileSelectionScreen::loadFiles() {
   sortFileList(files);
 }
 
-void FileSelectionScreen::onEnter() {
+void FileSelectionActivity::onEnter() {
+  Activity::onEnter();
+
   renderingMutex = xSemaphoreCreateMutex();
 
   basepath = "/";
@@ -52,7 +60,7 @@ void FileSelectionScreen::onEnter() {
   // Trigger first update
   updateRequired = true;
 
-  xTaskCreate(&FileSelectionScreen::taskTrampoline, "FileSelectionScreenTask",
+  xTaskCreate(&FileSelectionActivity::taskTrampoline, "FileSelectionActivityTask",
               2048,               // Stack size
               this,               // Parameters
               1,                  // Priority
@@ -60,7 +68,9 @@ void FileSelectionScreen::onEnter() {
   );
 }
 
-void FileSelectionScreen::onExit() {
+void FileSelectionActivity::onExit() {
+  Activity::onExit();
+
   // Wait until not rendering to delete task to avoid killing mid-instruction to EPD
   xSemaphoreTake(renderingMutex, portMAX_DELAY);
   if (displayTaskHandle) {
@@ -72,11 +82,13 @@ void FileSelectionScreen::onExit() {
   files.clear();
 }
 
-void FileSelectionScreen::handleInput() {
-  const bool prevPressed =
-      inputManager.wasPressed(InputManager::BTN_UP) || inputManager.wasPressed(InputManager::BTN_LEFT);
-  const bool nextPressed =
-      inputManager.wasPressed(InputManager::BTN_DOWN) || inputManager.wasPressed(InputManager::BTN_RIGHT);
+void FileSelectionActivity::loop() {
+  const bool prevReleased =
+      inputManager.wasReleased(InputManager::BTN_UP) || inputManager.wasReleased(InputManager::BTN_LEFT);
+  const bool nextReleased =
+      inputManager.wasReleased(InputManager::BTN_DOWN) || inputManager.wasReleased(InputManager::BTN_RIGHT);
+
+  const bool skipPage = inputManager.getHeldTime() > SKIP_PAGE_MS;
 
   if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
     if (files.empty()) {
@@ -91,21 +103,34 @@ void FileSelectionScreen::handleInput() {
     } else {
       onSelect(basepath + files[selectorIndex]);
     }
-  } else if (inputManager.wasPressed(InputManager::BTN_BACK) && basepath != "/") {
-    basepath = basepath.substr(0, basepath.rfind('/'));
-    if (basepath.empty()) basepath = "/";
-    loadFiles();
+  } else if (inputManager.wasPressed(InputManager::BTN_BACK)) {
+    if (basepath != "/") {
+      basepath.replace(basepath.find_last_of('/'), std::string::npos, "");
+      if (basepath.empty()) basepath = "/";
+      loadFiles();
+      updateRequired = true;
+    } else {
+      // At root level, go back home
+      onGoHome();
+    }
+  } else if (prevReleased) {
+    if (skipPage) {
+      selectorIndex = ((selectorIndex / PAGE_ITEMS - 1) * PAGE_ITEMS + files.size()) % files.size();
+    } else {
+      selectorIndex = (selectorIndex + files.size() - 1) % files.size();
+    }
     updateRequired = true;
-  } else if (prevPressed) {
-    selectorIndex = (selectorIndex + files.size() - 1) % files.size();
-    updateRequired = true;
-  } else if (nextPressed) {
-    selectorIndex = (selectorIndex + 1) % files.size();
+  } else if (nextReleased) {
+    if (skipPage) {
+      selectorIndex = ((selectorIndex / PAGE_ITEMS + 1) * PAGE_ITEMS) % files.size();
+    } else {
+      selectorIndex = (selectorIndex + 1) % files.size();
+    }
     updateRequired = true;
   }
 }
 
-void FileSelectionScreen::displayTaskLoop() {
+void FileSelectionActivity::displayTaskLoop() {
   while (true) {
     if (updateRequired) {
       updateRequired = false;
@@ -117,22 +142,31 @@ void FileSelectionScreen::displayTaskLoop() {
   }
 }
 
-void FileSelectionScreen::render() const {
+void FileSelectionActivity::render() const {
   renderer.clearScreen();
 
   const auto pageWidth = GfxRenderer::getScreenWidth();
-  renderer.drawCenteredText(READER_FONT_ID, 10, "CrossPoint Reader", true, BOLD);
+  renderer.drawCenteredText(READER_FONT_ID, 10, "Books", true, BOLD);
+
+  // Help text
+  renderer.drawText(SMALL_FONT_ID, 20, GfxRenderer::getScreenHeight() - 30, "Press BACK for Home");
 
   if (files.empty()) {
     renderer.drawText(UI_FONT_ID, 20, 60, "No EPUBs found");
-  } else {
-    // Draw selection
-    renderer.fillRect(0, 60 + selectorIndex * 30 + 2, pageWidth - 1, 30);
+    renderer.displayBuffer();
+    return;
+  }
 
-    for (size_t i = 0; i < files.size(); i++) {
-      const auto file = files[i];
-      renderer.drawText(UI_FONT_ID, 20, 60 + i * 30, file.c_str(), i != selectorIndex);
+  const auto pageStartIndex = selectorIndex / PAGE_ITEMS * PAGE_ITEMS;
+  renderer.fillRect(0, 60 + (selectorIndex % PAGE_ITEMS) * 30 + 2, pageWidth - 1, 30);
+  for (int i = pageStartIndex; i < files.size() && i < pageStartIndex + PAGE_ITEMS; i++) {
+    auto item = files[i];
+    int itemWidth = renderer.getTextWidth(UI_FONT_ID, item.c_str());
+    while (itemWidth > renderer.getScreenWidth() - 40 && item.length() > 8) {
+      item.replace(item.length() - 5, 5, "...");
+      itemWidth = renderer.getTextWidth(UI_FONT_ID, item.c_str());
     }
+    renderer.drawText(UI_FONT_ID, 20, 60 + (i % PAGE_ITEMS) * 30, item.c_str(), i != selectorIndex);
   }
 
   renderer.displayBuffer();

src/activities/reader/FileSelectionActivity.h

@@ -7,9 +7,9 @@
 #include <string>
 #include <vector>
 
-#include "Screen.h"
+#include "../Activity.h"
 
-class FileSelectionScreen final : public Screen {
+class FileSelectionActivity final : public Activity {
   TaskHandle_t displayTaskHandle = nullptr;
   SemaphoreHandle_t renderingMutex = nullptr;
   std::string basepath = "/";
@@ -17,6 +17,7 @@ class FileSelectionScreen final : public Screen {
   int selectorIndex = 0;
   bool updateRequired = false;
   const std::function<void(const std::string&)> onSelect;
+  const std::function<void()> onGoHome;
 
   static void taskTrampoline(void* param);
   [[noreturn]] void displayTaskLoop();
@@ -24,10 +25,11 @@ class FileSelectionScreen final : public Screen {
   void loadFiles();
 
  public:
-  explicit FileSelectionScreen(GfxRenderer& renderer, InputManager& inputManager,
-                               const std::function<void(const std::string&)>& onSelect)
-      : Screen(renderer, inputManager), onSelect(onSelect) {}
+  explicit FileSelectionActivity(GfxRenderer& renderer, InputManager& inputManager,
+                                 const std::function<void(const std::string&)>& onSelect,
+                                 const std::function<void()>& onGoHome)
+      : Activity("FileSelection", renderer, inputManager), onSelect(onSelect), onGoHome(onGoHome) {}
   void onEnter() override;
   void onExit() override;
-  void handleInput() override;
+  void loop() override;
 };

src/activities/reader/ReaderActivity.cpp

@@ -0,0 +1,67 @@
+#include "ReaderActivity.h"
+
+#include <SD.h>
+
+#include "Epub.h"
+#include "EpubReaderActivity.h"
+#include "FileSelectionActivity.h"
+#include "activities/util/FullScreenMessageActivity.h"
+
+std::unique_ptr<Epub> ReaderActivity::loadEpub(const std::string& path) {
+  if (!SD.exists(path.c_str())) {
+    Serial.printf("[%lu] [   ] File does not exist: %s\n", millis(), path.c_str());
+    return nullptr;
+  }
+
+  auto epub = std::unique_ptr<Epub>(new Epub(path, "/.crosspoint"));
+  if (epub->load()) {
+    return epub;
+  }
+
+  Serial.printf("[%lu] [   ] Failed to load epub\n", millis());
+  return nullptr;
+}
+
+void ReaderActivity::onSelectEpubFile(const std::string& path) {
+  exitActivity();
+  enterNewActivity(new FullScreenMessageActivity(renderer, inputManager, "Loading..."));
+
+  auto epub = loadEpub(path);
+  if (epub) {
+    onGoToEpubReader(std::move(epub));
+  } else {
+    exitActivity();
+    enterNewActivity(new FullScreenMessageActivity(renderer, inputManager, "Failed to load epub", REGULAR,
+                                                   EInkDisplay::HALF_REFRESH));
+    delay(2000);
+    onGoToFileSelection();
+  }
+}
+
+void ReaderActivity::onGoToFileSelection() {
+  exitActivity();
+  enterNewActivity(new FileSelectionActivity(
+      renderer, inputManager, [this](const std::string& path) { onSelectEpubFile(path); }, onGoBack));
+}
+
+void ReaderActivity::onGoToEpubReader(std::unique_ptr<Epub> epub) {
+  exitActivity();
+  enterNewActivity(new EpubReaderActivity(renderer, inputManager, std::move(epub), [this] { onGoToFileSelection(); }));
+}
+
+void ReaderActivity::onEnter() {
+  ActivityWithSubactivity::onEnter();
+
+  if (initialEpubPath.empty()) {
+    onGoToFileSelection();
+    return;
+  }
+
+  auto epub = loadEpub(initialEpubPath);
+  if (!epub) {
+    onGoBack();
+    return;
+  }
+
+  onGoToEpubReader(std::move(epub));
+}

src/activities/reader/ReaderActivity.h

@@ -0,0 +1,24 @@
+#pragma once
+#include <memory>
+
+#include "../ActivityWithSubactivity.h"
+
+class Epub;
+
+class ReaderActivity final : public ActivityWithSubactivity {
+  std::string initialEpubPath;
+  const std::function<void()> onGoBack;
+  static std::unique_ptr<Epub> loadEpub(const std::string& path);
+
+  void onSelectEpubFile(const std::string& path);
+  void onGoToFileSelection();
+  void onGoToEpubReader(std::unique_ptr<Epub> epub);
+
+ public:
+  explicit ReaderActivity(GfxRenderer& renderer, InputManager& inputManager, std::string initialEpubPath,
+                          const std::function<void()>& onGoBack)
+      : ActivityWithSubactivity("Reader", renderer, inputManager),
+        initialEpubPath(std::move(initialEpubPath)),
+        onGoBack(onGoBack) {}
+  void onEnter() override;
+};

src/activities/settings/SettingsActivity.cpp

@@ -0,0 +1,158 @@
+#include "SettingsActivity.h"
+
+#include <GfxRenderer.h>
+#include <InputManager.h>
+
+#include "CrossPointSettings.h"
+#include "config.h"
+
+// Define the static settings list
+namespace {
+constexpr int settingsCount = 3;
+const SettingInfo settingsList[settingsCount] = {
+    // Should match with SLEEP_SCREEN_MODE
+    {"Sleep Screen", SettingType::ENUM, &CrossPointSettings::sleepScreen, {"Dark", "Light", "Custom", "Cover"}},
+    {"Extra Paragraph Spacing", SettingType::TOGGLE, &CrossPointSettings::extraParagraphSpacing, {}},
+    {"Short Power Button Click", SettingType::TOGGLE, &CrossPointSettings::shortPwrBtn, {}}};
+}  // namespace
+
+void SettingsActivity::taskTrampoline(void* param) {
+  auto* self = static_cast<SettingsActivity*>(param);
+  self->displayTaskLoop();
+}
+
+void SettingsActivity::onEnter() {
+  Activity::onEnter();
+
+  renderingMutex = xSemaphoreCreateMutex();
+
+  // Reset selection to first item
+  selectedSettingIndex = 0;
+
+  // Trigger first update
+  updateRequired = true;
+
+  xTaskCreate(&SettingsActivity::taskTrampoline, "SettingsActivityTask",
+              2048,               // Stack size
+              this,               // Parameters
+              1,                  // Priority
+              &displayTaskHandle  // Task handle
+  );
+}
+
+void SettingsActivity::onExit() {
+  Activity::onExit();
+
+  // Wait until not rendering to delete task to avoid killing mid-instruction to EPD
+  xSemaphoreTake(renderingMutex, portMAX_DELAY);
+  if (displayTaskHandle) {
+    vTaskDelete(displayTaskHandle);
+    displayTaskHandle = nullptr;
+  }
+  vSemaphoreDelete(renderingMutex);
+  renderingMutex = nullptr;
+}
+
+void SettingsActivity::loop() {
+  // Handle actions with early return
+  if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
+    toggleCurrentSetting();
+    updateRequired = true;
+    return;
+  }
+
+  if (inputManager.wasPressed(InputManager::BTN_BACK)) {
+    SETTINGS.saveToFile();
+    onGoHome();
+    return;
+  }
+
+  // Handle navigation
+  if (inputManager.wasPressed(InputManager::BTN_UP) || inputManager.wasPressed(InputManager::BTN_LEFT)) {
+    // Move selection up (with wrap-around)
+    selectedSettingIndex = (selectedSettingIndex > 0) ? (selectedSettingIndex - 1) : (settingsCount - 1);
+    updateRequired = true;
+  } else if (inputManager.wasPressed(InputManager::BTN_DOWN) || inputManager.wasPressed(InputManager::BTN_RIGHT)) {
+    // Move selection down
+    if (selectedSettingIndex < settingsCount - 1) {
+      selectedSettingIndex++;
+      updateRequired = true;
+    }
+  }
+}
+
+void SettingsActivity::toggleCurrentSetting() const {
+  // Validate index
+  if (selectedSettingIndex < 0 || selectedSettingIndex >= settingsCount) {
+    return;
+  }
+
+  const auto& setting = settingsList[selectedSettingIndex];
+
+  if (setting.type == SettingType::TOGGLE && setting.valuePtr != nullptr) {
+    // Toggle the boolean value using the member pointer
+    const bool currentValue = SETTINGS.*(setting.valuePtr);
+    SETTINGS.*(setting.valuePtr) = !currentValue;
+  } else if (setting.type == SettingType::ENUM && setting.valuePtr != nullptr) {
+    const uint8_t currentValue = SETTINGS.*(setting.valuePtr);
+    SETTINGS.*(setting.valuePtr) = (currentValue + 1) % static_cast<uint8_t>(setting.enumValues.size());
+  } else {
+    // Only toggle if it's a toggle type and has a value pointer
+    return;
+  }
+
+  // Save settings when they change
+  SETTINGS.saveToFile();
+}
+
+void SettingsActivity::displayTaskLoop() {
+  while (true) {
+    if (updateRequired) {
+      updateRequired = false;
+      xSemaphoreTake(renderingMutex, portMAX_DELAY);
+      render();
+      xSemaphoreGive(renderingMutex);
+    }
+    vTaskDelay(10 / portTICK_PERIOD_MS);
+  }
+}
+
+void SettingsActivity::render() const {
+  renderer.clearScreen();
+
+  const auto pageWidth = GfxRenderer::getScreenWidth();
+  const auto pageHeight = GfxRenderer::getScreenHeight();
+
+  // Draw header
+  renderer.drawCenteredText(READER_FONT_ID, 10, "Settings", true, BOLD);
+
+  // Draw all settings
+  for (int i = 0; i < settingsCount; i++) {
+    const int settingY = 60 + i * 30;  // 30 pixels between settings
+
+    // Draw selection indicator for the selected setting
+    if (i == selectedSettingIndex) {
+      renderer.drawText(UI_FONT_ID, 5, settingY, ">");
+    }
+
+    // Draw setting name
+    renderer.drawText(UI_FONT_ID, 20, settingY, settingsList[i].name);
+
+    // Draw value based on setting type
+    if (settingsList[i].type == SettingType::TOGGLE && settingsList[i].valuePtr != nullptr) {
+      const bool value = SETTINGS.*(settingsList[i].valuePtr);
+      renderer.drawText(UI_FONT_ID, pageWidth - 80, settingY, value ? "ON" : "OFF");
+    } else if (settingsList[i].type == SettingType::ENUM && settingsList[i].valuePtr != nullptr) {
+      const uint8_t value = SETTINGS.*(settingsList[i].valuePtr);
+      auto valueText = settingsList[i].enumValues[value];
+      const auto width = renderer.getTextWidth(UI_FONT_ID, valueText.c_str());
+      renderer.drawText(UI_FONT_ID, pageWidth - 50 - width, settingY, valueText.c_str());
+    }
+  }
+
+  // Draw help text
+  renderer.drawText(SMALL_FONT_ID, 20, pageHeight - 30, "Press OK to toggle, BACK to save & exit");
+
+  // Always use standard refresh for settings screen
+  renderer.displayBuffer();
+}

src/activities/settings/SettingsActivity.h

@@ -0,0 +1,43 @@
+#pragma once
+#include <freertos/FreeRTOS.h>
+#include <freertos/semphr.h>
+#include <freertos/task.h>
+
+#include <cstdint>
+#include <functional>
+#include <string>
+#include <vector>
+
+#include "../Activity.h"
+
+class CrossPointSettings;
+
+enum class SettingType { TOGGLE, ENUM };
+
+// Structure to hold setting information
+struct SettingInfo {
+  const char* name;                        // Display name of the setting
+  SettingType type;                        // Type of setting
+  uint8_t CrossPointSettings::* valuePtr;  // Pointer to member in CrossPointSettings (for TOGGLE/ENUM)
+  std::vector<std::string> enumValues;
+};
+
+class SettingsActivity final : public Activity {
+  TaskHandle_t displayTaskHandle = nullptr;
+  SemaphoreHandle_t renderingMutex = nullptr;
+  bool updateRequired = false;
+  int selectedSettingIndex = 0;  // Currently selected setting
+  const std::function<void()> onGoHome;
+
+  static void taskTrampoline(void* param);
+  [[noreturn]] void displayTaskLoop();
+  void render() const;
+  void toggleCurrentSetting() const;
+
+ public:
+  explicit SettingsActivity(GfxRenderer& renderer, InputManager& inputManager, const std::function<void()>& onGoHome)
+      : Activity("Settings", renderer, inputManager), onGoHome(onGoHome) {}
+  void onEnter() override;
+  void onExit() override;
+  void loop() override;
+};

src/activities/util/FullScreenMessageActivity.cpp

@@ -1,10 +1,12 @@
-#include "FullScreenMessageScreen.h"
+#include "FullScreenMessageActivity.h"
 
 #include <GfxRenderer.h>
 
 #include "config.h"
 
-void FullScreenMessageScreen::onEnter() {
+void FullScreenMessageActivity::onEnter() {
+  Activity::onEnter();
+
   const auto height = renderer.getLineHeight(UI_FONT_ID);
   const auto top = (GfxRenderer::getScreenHeight() - height) / 2;
 

src/activities/util/FullScreenMessageActivity.h

@@ -0,0 +1,24 @@
+#pragma once
+#include <EInkDisplay.h>
+#include <EpdFontFamily.h>
+
+#include <string>
+#include <utility>
+
+#include "../Activity.h"
+
+class FullScreenMessageActivity final : public Activity {
+  std::string text;
+  EpdFontStyle style;
+  EInkDisplay::RefreshMode refreshMode;
+
+ public:
+  explicit FullScreenMessageActivity(GfxRenderer& renderer, InputManager& inputManager, std::string text,
+                                     const EpdFontStyle style = REGULAR,
+                                     const EInkDisplay::RefreshMode refreshMode = EInkDisplay::FAST_REFRESH)
+      : Activity("FullScreenMessage", renderer, inputManager),
+        text(std::move(text)),
+        style(style),
+        refreshMode(refreshMode) {}
+  void onEnter() override;
+};

src/activities/util/KeyboardEntryActivity.cpp

@@ -0,0 +1,308 @@
+#include "KeyboardEntryActivity.h"
+
+#include "../../config.h"
+
+// Keyboard layouts - lowercase
+const char* const KeyboardEntryActivity::keyboard[NUM_ROWS] = {
+    "`1234567890-=", "qwertyuiop[]\\", "asdfghjkl;'", "zxcvbnm,./",
+    "^  _____<OK"  // ^ = shift, _ = space, < = backspace, OK = done
+};
+
+// Keyboard layouts - uppercase/symbols
+const char* const KeyboardEntryActivity::keyboardShift[NUM_ROWS] = {"~!@#$%^&*()_+", "QWERTYUIOP{}|", "ASDFGHJKL:\"",
+                                                                    "ZXCVBNM<>?", "^  _____<OK"};
+
+void KeyboardEntryActivity::setText(const std::string& newText) {
+  text = newText;
+  if (maxLength > 0 && text.length() > maxLength) {
+    text.resize(maxLength);
+  }
+}
+
+void KeyboardEntryActivity::reset(const std::string& newTitle, const std::string& newInitialText) {
+  if (!newTitle.empty()) {
+    title = newTitle;
+  }
+  text = newInitialText;
+  selectedRow = 0;
+  selectedCol = 0;
+  shiftActive = false;
+  complete = false;
+  cancelled = false;
+}
+
+void KeyboardEntryActivity::onEnter() {
+  Activity::onEnter();
+
+  // Reset state when entering the activity
+  complete = false;
+  cancelled = false;
+}
+
+void KeyboardEntryActivity::loop() {
+  handleInput();
+  render(10);
+}
+
+int KeyboardEntryActivity::getRowLength(int row) const {
+  if (row < 0 || row >= NUM_ROWS) return 0;
+
+  // Return actual length of each row based on keyboard layout
+  switch (row) {
+    case 0:
+      return 13;  // `1234567890-=
+    case 1:
+      return 13;  // qwertyuiop[]backslash
+    case 2:
+      return 11;  // asdfghjkl;'
+    case 3:
+      return 10;  // zxcvbnm,./
+    case 4:
+      return 10;  // ^, space (5 wide), backspace, OK (2 wide)
+    default:
+      return 0;
+  }
+}
+
+char KeyboardEntryActivity::getSelectedChar() const {
+  const char* const* layout = shiftActive ? keyboardShift : keyboard;
+
+  if (selectedRow < 0 || selectedRow >= NUM_ROWS) return '\0';
+  if (selectedCol < 0 || selectedCol >= getRowLength(selectedRow)) return '\0';
+
+  return layout[selectedRow][selectedCol];
+}
+
+void KeyboardEntryActivity::handleKeyPress() {
+  // Handle special row (bottom row with shift, space, backspace, done)
+  if (selectedRow == SHIFT_ROW) {
+    if (selectedCol == SHIFT_COL) {
+      // Shift toggle
+      shiftActive = !shiftActive;
+      return;
+    }
+
+    if (selectedCol >= SPACE_COL && selectedCol < BACKSPACE_COL) {
+      // Space bar
+      if (maxLength == 0 || text.length() < maxLength) {
+        text += ' ';
+      }
+      return;
+    }
+
+    if (selectedCol == BACKSPACE_COL) {
+      // Backspace
+      if (!text.empty()) {
+        text.pop_back();
+      }
+      return;
+    }
+
+    if (selectedCol >= DONE_COL) {
+      // Done button
+      complete = true;
+      if (onComplete) {
+        onComplete(text);
+      }
+      return;
+    }
+  }
+
+  // Regular character
+  char c = getSelectedChar();
+  if (c != '\0' && c != '^' && c != '_' && c != '<') {
+    if (maxLength == 0 || text.length() < maxLength) {
+      text += c;
+      // Auto-disable shift after typing a letter
+      if (shiftActive && ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'))) {
+        shiftActive = false;
+      }
+    }
+  }
+}
+
+bool KeyboardEntryActivity::handleInput() {
+  if (complete || cancelled) {
+    return false;
+  }
+
+  bool handled = false;
+
+  // Navigation
+  if (inputManager.wasPressed(InputManager::BTN_UP)) {
+    if (selectedRow > 0) {
+      selectedRow--;
+      // Clamp column to valid range for new row
+      int maxCol = getRowLength(selectedRow) - 1;
+      if (selectedCol > maxCol) selectedCol = maxCol;
+    }
+    handled = true;
+  } else if (inputManager.wasPressed(InputManager::BTN_DOWN)) {
+    if (selectedRow < NUM_ROWS - 1) {
+      selectedRow++;
+      int maxCol = getRowLength(selectedRow) - 1;
+      if (selectedCol > maxCol) selectedCol = maxCol;
+    }
+    handled = true;
+  } else if (inputManager.wasPressed(InputManager::BTN_LEFT)) {
+    if (selectedCol > 0) {
+      selectedCol--;
+    } else if (selectedRow > 0) {
+      // Wrap to previous row
+      selectedRow--;
+      selectedCol = getRowLength(selectedRow) - 1;
+    }
+    handled = true;
+  } else if (inputManager.wasPressed(InputManager::BTN_RIGHT)) {
+    int maxCol = getRowLength(selectedRow) - 1;
+    if (selectedCol < maxCol) {
+      selectedCol++;
+    } else if (selectedRow < NUM_ROWS - 1) {
+      // Wrap to next row
+      selectedRow++;
+      selectedCol = 0;
+    }
+    handled = true;
+  }
+
+  // Selection
+  if (inputManager.wasPressed(InputManager::BTN_CONFIRM)) {
+    handleKeyPress();
+    handled = true;
+  }
+
+  // Cancel
+  if (inputManager.wasPressed(InputManager::BTN_BACK)) {
+    cancelled = true;
+    if (onCancel) {
+      onCancel();
+    }
+    handled = true;
+  }
+
+  return handled;
+}
+
+void KeyboardEntryActivity::render(int startY) const {
+  const auto pageWidth = GfxRenderer::getScreenWidth();
+
+  // Draw title
+  renderer.drawCenteredText(UI_FONT_ID, startY, title.c_str(), true, REGULAR);
+
+  // Draw input field
+  int inputY = startY + 22;
+  renderer.drawText(UI_FONT_ID, 10, inputY, "[");
+
+  std::string displayText;
+  if (isPassword) {
+    displayText = std::string(text.length(), '*');
+  } else {
+    displayText = text;
+  }
+
+  // Show cursor at end
+  displayText += "_";
+
+  // Truncate if too long for display - use actual character width from font
+  int charWidth = renderer.getSpaceWidth(UI_FONT_ID);
+  if (charWidth < 1) charWidth = 8;  // Fallback to approximate width
+  int maxDisplayLen = (pageWidth - 40) / charWidth;
+  if (displayText.length() > static_cast<size_t>(maxDisplayLen)) {
+    displayText = "..." + displayText.substr(displayText.length() - maxDisplayLen + 3);
+  }
+
+  renderer.drawText(UI_FONT_ID, 20, inputY, displayText.c_str());
+  renderer.drawText(UI_FONT_ID, pageWidth - 15, inputY, "]");
+
+  // Draw keyboard - use compact spacing to fit 5 rows on screen
+  int keyboardStartY = inputY + 25;
+  const int keyWidth = 18;
+  const int keyHeight = 18;
+  const int keySpacing = 3;
+
+  const char* const* layout = shiftActive ? keyboardShift : keyboard;
+
+  // Calculate left margin to center the longest row (13 keys)
+  int maxRowWidth = KEYS_PER_ROW * (keyWidth + keySpacing);
+  int leftMargin = (pageWidth - maxRowWidth) / 2;
+
+  for (int row = 0; row < NUM_ROWS; row++) {
+    int rowY = keyboardStartY + row * (keyHeight + keySpacing);
+
+    // Left-align all rows for consistent navigation
+    int startX = leftMargin;
+
+    // Handle bottom row (row 4) specially with proper multi-column keys
+    if (row == 4) {
+      // Bottom row layout: CAPS (2 cols) | SPACE (5 cols) | <- (2 cols) | OK (2 cols)
+      // Total: 11 visual columns, but we use logical positions for selection
+
+      int currentX = startX;
+
+      // CAPS key (logical col 0, spans 2 key widths)
+      int capsWidth = 2 * keyWidth + keySpacing;
+      bool capsSelected = (selectedRow == 4 && selectedCol == SHIFT_COL);
+      if (capsSelected) {
+        renderer.drawText(UI_FONT_ID, currentX - 2, rowY, "[");
+        renderer.drawText(UI_FONT_ID, currentX + capsWidth - 4, rowY, "]");
+      }
+      renderer.drawText(UI_FONT_ID, currentX + 2, rowY, shiftActive ? "CAPS" : "caps");
+      currentX += capsWidth + keySpacing;
+
+      // Space bar (logical cols 2-6, spans 5 key widths)
+      int spaceWidth = 5 * keyWidth + 4 * keySpacing;
+      bool spaceSelected = (selectedRow == 4 && selectedCol >= SPACE_COL && selectedCol < BACKSPACE_COL);
+      if (spaceSelected) {
+        renderer.drawText(UI_FONT_ID, currentX - 2, rowY, "[");
+        renderer.drawText(UI_FONT_ID, currentX + spaceWidth - 4, rowY, "]");
+      }
+      // Draw centered underscores for space bar
+      int spaceTextX = currentX + (spaceWidth / 2) - 12;
+      renderer.drawText(UI_FONT_ID, spaceTextX, rowY, "_____");
+      currentX += spaceWidth + keySpacing;
+
+      // Backspace key (logical col 7, spans 2 key widths)
+      int bsWidth = 2 * keyWidth + keySpacing;
+      bool bsSelected = (selectedRow == 4 && selectedCol == BACKSPACE_COL);
+      if (bsSelected) {
+        renderer.drawText(UI_FONT_ID, currentX - 2, rowY, "[");
+        renderer.drawText(UI_FONT_ID, currentX + bsWidth - 4, rowY, "]");
+      }
+      renderer.drawText(UI_FONT_ID, currentX + 6, rowY, "<-");
+      currentX += bsWidth + keySpacing;
+
+      // OK button (logical col 9, spans 2 key widths)
+      int okWidth = 2 * keyWidth + keySpacing;
+      bool okSelected = (selectedRow == 4 && selectedCol >= DONE_COL);
+      if (okSelected) {
+        renderer.drawText(UI_FONT_ID, currentX - 2, rowY, "[");
+        renderer.drawText(UI_FONT_ID, currentX + okWidth - 4, rowY, "]");
+      }
+      renderer.drawText(UI_FONT_ID, currentX + 8, rowY, "OK");
+
+    } else {
+      // Regular rows: render each key individually
+      for (int col = 0; col < getRowLength(row); col++) {
+        int keyX = startX + col * (keyWidth + keySpacing);
+
+        // Get the character to display
+        char c = layout[row][col];
+        std::string keyLabel(1, c);
+
+        // Draw selection highlight
+        bool isSelected = (row == selectedRow && col == selectedCol);
+
+        if (isSelected) {
+          renderer.drawText(UI_FONT_ID, keyX - 2, rowY, "[");
+          renderer.drawText(UI_FONT_ID, keyX + keyWidth - 4, rowY, "]");
+        }
+
+        renderer.drawText(UI_FONT_ID, keyX + 2, rowY, keyLabel.c_str());
+      }
+    }
+  }
+
+  // Draw help text at absolute bottom of screen (consistent with other screens)
+  const auto pageHeight = GfxRenderer::getScreenHeight();
+  renderer.drawText(SMALL_FONT_ID, 10, pageHeight - 30, "Navigate: D-pad | Select: OK | Cancel: BACK");
+}

src/activities/util/KeyboardEntryActivity.h

@@ -0,0 +1,131 @@
+#pragma once
+#include <GfxRenderer.h>
+#include <InputManager.h>
+
+#include <functional>
+#include <string>
+
+#include "../Activity.h"
+
+/**
+ * Reusable keyboard entry activity for text input.
+ * Can be started from any activity that needs text entry.
+ *
+ * Usage:
+ *   1. Create a KeyboardEntryActivity instance
+ *   2. Set callbacks with setOnComplete() and setOnCancel()
+ *   3. Call onEnter() to start the activity
+ *   4. Call loop() in your main loop
+ *   5. When complete or cancelled, callbacks will be invoked
+ */
+class KeyboardEntryActivity : public Activity {
+ public:
+  // Callback types
+  using OnCompleteCallback = std::function<void(const std::string&)>;
+  using OnCancelCallback = std::function<void()>;
+
+  /**
+   * Constructor
+   * @param renderer Reference to the GfxRenderer for drawing
+   * @param inputManager Reference to InputManager for handling input
+   * @param title Title to display above the keyboard
+   * @param initialText Initial text to show in the input field
+   * @param maxLength Maximum length of input text (0 for unlimited)
+   * @param isPassword If true, display asterisks instead of actual characters
+   */
+  KeyboardEntryActivity(GfxRenderer& renderer, InputManager& inputManager, const std::string& title = "Enter Text",
+                        const std::string& initialText = "", const size_t maxLength = 0, const bool isPassword = false)
+      : Activity("KeyboardEntry", renderer, inputManager),
+        title(title),
+        text(initialText),
+        maxLength(maxLength),
+        isPassword(isPassword) {}
+
+  /**
+   * Handle button input. Call this in your main loop.
+   * @return true if input was handled, false otherwise
+   */
+  bool handleInput();
+
+  /**
+   * Render the keyboard at the specified Y position.
+   * @param startY Y-coordinate where keyboard rendering starts (default 10)
+   */
+  void render(int startY = 10) const;
+
+  /**
+   * Get the current text entered by the user.
+   */
+  const std::string& getText() const { return text; }
+
+  /**
+   * Set the current text.
+   */
+  void setText(const std::string& newText);
+
+  /**
+   * Check if the user has completed text entry (pressed OK on Done).
+   */
+  bool isComplete() const { return complete; }
+
+  /**
+   * Check if the user has cancelled text entry.
+   */
+  bool isCancelled() const { return cancelled; }
+
+  /**
+   * Reset the keyboard state for reuse.
+   */
+  void reset(const std::string& newTitle = "", const std::string& newInitialText = "");
+
+  /**
+   * Set callback for when input is complete.
+   */
+  void setOnComplete(OnCompleteCallback callback) { onComplete = callback; }
+
+  /**
+   * Set callback for when input is cancelled.
+   */
+  void setOnCancel(OnCancelCallback callback) { onCancel = callback; }
+
+  // Activity overrides
+  void onEnter() override;
+  void loop() override;
+
+ private:
+  std::string title;
+  std::string text;
+  size_t maxLength;
+  bool isPassword;
+
+  // Keyboard state
+  int selectedRow = 0;
+  int selectedCol = 0;
+  bool shiftActive = false;
+  bool complete = false;
+  bool cancelled = false;
+
+  // Callbacks
+  OnCompleteCallback onComplete;
+  OnCancelCallback onCancel;
+
+  // Keyboard layout
+  static constexpr int NUM_ROWS = 5;
+  static constexpr int KEYS_PER_ROW = 13;  // Max keys per row (rows 0 and 1 have 13 keys)
+  static const char* const keyboard[NUM_ROWS];
+  static const char* const keyboardShift[NUM_ROWS];
+
+  // Special key positions (bottom row)
+  static constexpr int SHIFT_ROW = 4;
+  static constexpr int SHIFT_COL = 0;
+  static constexpr int SPACE_ROW = 4;
+  static constexpr int SPACE_COL = 2;
+  static constexpr int BACKSPACE_ROW = 4;
+  static constexpr int BACKSPACE_COL = 7;
+  static constexpr int DONE_ROW = 4;
+  static constexpr int DONE_COL = 9;
+
+  char getSelectedChar() const;
+  void handleKeyPress();
+  int getRowLength(int row) const;
+};

src/config.h

@@ -9,7 +9,7 @@
  *    "./lib/EpdFont/builtinFonts/bookerly_italic_2b.h",
  *  ].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
  */
-#define READER_FONT_ID 1747632454
+#define READER_FONT_ID 1818981670
 
 /**
  * Generated with:
@@ -18,7 +18,7 @@
  *    "./lib/EpdFont/builtinFonts/ubuntu_bold_10.h",
  *  ].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
  */
-#define UI_FONT_ID 225955604
+#define UI_FONT_ID (-1619831379)
 
 /**
  * Generated with:
@@ -26,4 +26,4 @@
  *    "./lib/EpdFont/builtinFonts/pixelarial14.h",
  *  ].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
  */
-#define SMALL_FONT_ID 2037928017
+#define SMALL_FONT_ID 1482513144

src/main.cpp

@@ -14,13 +14,16 @@
 #include <builtinFonts/ubuntu_bold_10.h>
 
 #include "Battery.h"
+#include "CrossPointSettings.h"
 #include "CrossPointState.h"
+#include "activities/boot_sleep/BootActivity.h"
+#include "activities/boot_sleep/SleepActivity.h"
+#include "activities/home/HomeActivity.h"
+#include "activities/network/CrossPointWebServerActivity.h"
+#include "activities/reader/ReaderActivity.h"
+#include "activities/settings/SettingsActivity.h"
+#include "activities/util/FullScreenMessageActivity.h"
 #include "config.h"
-#include "screens/BootLogoScreen.h"
-#include "screens/EpubReaderScreen.h"
-#include "screens/FileSelectionScreen.h"
-#include "screens/FullScreenMessageScreen.h"
-#include "screens/SleepScreen.h"
 
 #define SPI_FQ 40000000
 // Display SPI pins (custom pins for XteinkX4, not hardware SPI defaults)
@@ -39,8 +42,7 @@
 EInkDisplay einkDisplay(EPD_SCLK, EPD_MOSI, EPD_CS, EPD_DC, EPD_RST, EPD_BUSY);
 InputManager inputManager;
 GfxRenderer renderer(einkDisplay);
-Screen* currentScreen;
-CrossPointState appState;
+Activity* currentActivity;
 
 // Fonts
 EpdFont bookerlyFont(&bookerly_2b);
@@ -56,58 +58,49 @@ EpdFont ubuntu10Font(&ubuntu_10);
 EpdFont ubuntuBold10Font(&ubuntu_bold_10);
 EpdFontFamily ubuntuFontFamily(&ubuntu10Font, &ubuntuBold10Font);
 
-// Power button timing
-// Time required to confirm boot from sleep
-constexpr unsigned long POWER_BUTTON_WAKEUP_MS = 1000;
-// Time required to enter sleep mode
-constexpr unsigned long POWER_BUTTON_SLEEP_MS = 1000;
+// Auto-sleep timeout (10 minutes of inactivity)
+constexpr unsigned long AUTO_SLEEP_TIMEOUT_MS = 10 * 60 * 1000;
+// measurement of power button press duration calibration value
+unsigned long t1 = 0;
+unsigned long t2 = 0;
 
-std::unique_ptr<Epub> loadEpub(const std::string& path) {
-  if (!SD.exists(path.c_str())) {
-    Serial.printf("[%lu] [   ] File does not exist: %s\n", millis(), path.c_str());
-    return nullptr;
-  }
-
-  auto epub = std::unique_ptr<Epub>(new Epub(path, "/.crosspoint"));
-  if (epub->load()) {
-    return epub;
-  }
-
-  Serial.printf("[%lu] [   ] Failed to load epub\n", millis());
-  return nullptr;
-}
-
-void exitScreen() {
-  if (currentScreen) {
-    currentScreen->onExit();
-    delete currentScreen;
+void exitActivity() {
+  if (currentActivity) {
+    currentActivity->onExit();
+    delete currentActivity;
+    currentActivity = nullptr;
   }
 }
 
-void enterNewScreen(Screen* screen) {
-  currentScreen = screen;
-  currentScreen->onEnter();
+void enterNewActivity(Activity* activity) {
+  currentActivity = activity;
+  currentActivity->onEnter();
 }
 
 // Verify long press on wake-up from deep sleep
 void verifyWakeupLongPress() {
-  // Give the user up to 1000ms to start holding the power button, and must hold for POWER_BUTTON_WAKEUP_MS
+  // Give the user up to 1000ms to start holding the power button, and must hold for SETTINGS.getPowerButtonDuration()
   const auto start = millis();
   bool abort = false;
+  // It takes us some time to wake up from deep sleep, so we need to subtract that from the duration
+  uint16_t calibration = 25;
+  uint16_t calibratedPressDuration =
+      (calibration < SETTINGS.getPowerButtonDuration()) ? SETTINGS.getPowerButtonDuration() - calibration : 1;
 
-  Serial.printf("[%lu] [   ] Verifying power button press\n", millis());
   inputManager.update();
+  // Verify the user has actually pressed
   while (!inputManager.isPressed(InputManager::BTN_POWER) && millis() - start < 1000) {
-    delay(50);
+    delay(10);  // only wait 10ms each iteration to not delay too much in case of short configured duration.
     inputManager.update();
   }
 
+  t2 = millis();
   if (inputManager.isPressed(InputManager::BTN_POWER)) {
     do {
-      delay(50);
+      delay(10);
       inputManager.update();
-    } while (inputManager.isPressed(InputManager::BTN_POWER) && inputManager.getHeldTime() < POWER_BUTTON_WAKEUP_MS);
-    abort = inputManager.getHeldTime() < POWER_BUTTON_WAKEUP_MS;
+    } while (inputManager.isPressed(InputManager::BTN_POWER) && inputManager.getHeldTime() < calibratedPressDuration);
+    abort = inputManager.getHeldTime() < calibratedPressDuration;
   } else {
     abort = true;
   }
@@ -130,60 +123,67 @@ void waitForPowerRelease() {
 
 // Enter deep sleep mode
 void enterDeepSleep() {
-  exitScreen();
-  enterNewScreen(new SleepScreen(renderer, inputManager));
-
-  Serial.printf("[%lu] [   ] Power button released after a long press. Entering deep sleep.\n", millis());
-  delay(1000);  // Allow Serial buffer to empty and display to update
-
-  // Enable Wakeup on LOW (button press)
-  esp_deep_sleep_enable_gpio_wakeup(1ULL << InputManager::POWER_BUTTON_PIN, ESP_GPIO_WAKEUP_GPIO_LOW);
+  exitActivity();
+  enterNewActivity(new SleepActivity(renderer, inputManager));
 
   einkDisplay.deepSleep();
-
+  Serial.printf("[%lu] [   ] Power button press calibration value: %lu ms\n", millis(), t2 - t1);
+  Serial.printf("[%lu] [   ] Entering deep sleep.\n", millis());
+  esp_deep_sleep_enable_gpio_wakeup(1ULL << InputManager::POWER_BUTTON_PIN, ESP_GPIO_WAKEUP_GPIO_LOW);
+  // Ensure that the power button has been released to avoid immediately turning back on if you're holding it
+  waitForPowerRelease();
   // Enter Deep Sleep
   esp_deep_sleep_start();
 }
 
 void onGoHome();
-void onSelectEpubFile(const std::string& path) {
-  exitScreen();
-  enterNewScreen(new FullScreenMessageScreen(renderer, inputManager, "Loading..."));
+void onGoToReader(const std::string& initialEpubPath) {
+  exitActivity();
+  enterNewActivity(new ReaderActivity(renderer, inputManager, initialEpubPath, onGoHome));
+}
+void onGoToReaderHome() { onGoToReader(std::string()); }
 
-  auto epub = loadEpub(path);
-  if (epub) {
-    appState.openEpubPath = path;
-    appState.saveToFile();
-    exitScreen();
-    enterNewScreen(new EpubReaderScreen(renderer, inputManager, std::move(epub), onGoHome));
-  } else {
-    exitScreen();
-    enterNewScreen(
-        new FullScreenMessageScreen(renderer, inputManager, "Failed to load epub", REGULAR, EInkDisplay::HALF_REFRESH));
-    delay(2000);
-    onGoHome();
-  }
+void onGoToFileTransfer() {
+  exitActivity();
+  enterNewActivity(new CrossPointWebServerActivity(renderer, inputManager, onGoHome));
+}
+
+void onGoToSettings() {
+  exitActivity();
+  enterNewActivity(new SettingsActivity(renderer, inputManager, onGoHome));
 }
 
 void onGoHome() {
-  exitScreen();
-  enterNewScreen(new FileSelectionScreen(renderer, inputManager, onSelectEpubFile));
+  exitActivity();
+  enterNewActivity(new HomeActivity(renderer, inputManager, onGoToReaderHome, onGoToSettings, onGoToFileTransfer));
 }
 
 void setup() {
+  t1 = millis();
   Serial.begin(115200);
 
   Serial.printf("[%lu] [   ] Starting CrossPoint version " CROSSPOINT_VERSION "\n", millis());
 
   inputManager.begin();
-  verifyWakeupLongPress();
-
   // Initialize pins
   pinMode(BAT_GPIO0, INPUT);
 
   // Initialize SPI with custom pins
   SPI.begin(EPD_SCLK, SD_SPI_MISO, EPD_MOSI, EPD_CS);
 
+  // SD Card Initialization
+  if (!SD.begin(SD_SPI_CS, SPI, SPI_FQ)) {
+    Serial.printf("[%lu] [   ] SD card initialization failed\n", millis());
+    exitActivity();
+    enterNewActivity(new FullScreenMessageActivity(renderer, inputManager, "SD card error", BOLD));
+    return;
+  }
+
+  SETTINGS.loadFromFile();
+
+  // verify power button press duration after we've read settings.
+  verifyWakeupLongPress();
+
   // Initialize display
   einkDisplay.begin();
   Serial.printf("[%lu] [   ] Display initialized\n", millis());
@@ -193,49 +193,78 @@ void setup() {
   renderer.insertFont(SMALL_FONT_ID, smallFontFamily);
   Serial.printf("[%lu] [   ] Fonts setup\n", millis());
 
-  exitScreen();
-  enterNewScreen(new BootLogoScreen(renderer, inputManager));
+  exitActivity();
+  enterNewActivity(new BootActivity(renderer, inputManager));
 
-  // SD Card Initialization
-  SD.begin(SD_SPI_CS, SPI, SPI_FQ);
-
-  appState.loadFromFile();
-  if (!appState.openEpubPath.empty()) {
-    auto epub = loadEpub(appState.openEpubPath);
-    if (epub) {
-      exitScreen();
-      enterNewScreen(new EpubReaderScreen(renderer, inputManager, std::move(epub), onGoHome));
-      // Ensure we're not still holding the power button before leaving setup
-      waitForPowerRelease();
-      return;
-    }
+  APP_STATE.loadFromFile();
+  if (APP_STATE.openEpubPath.empty()) {
+    onGoHome();
+  } else {
+    // Clear app state to avoid getting into a boot loop if the epub doesn't load
+    const auto path = APP_STATE.openEpubPath;
+    APP_STATE.openEpubPath = "";
+    APP_STATE.saveToFile();
+    onGoToReader(path);
   }
 
-  exitScreen();
-  enterNewScreen(new FileSelectionScreen(renderer, inputManager, onSelectEpubFile));
-
   // Ensure we're not still holding the power button before leaving setup
   waitForPowerRelease();
 }
 
 void loop() {
-  delay(10);
-
+  static unsigned long maxLoopDuration = 0;
+  const unsigned long loopStartTime = millis();
   static unsigned long lastMemPrint = 0;
+
+  inputManager.update();
+
   if (Serial && millis() - lastMemPrint >= 10000) {
     Serial.printf("[%lu] [MEM] Free: %d bytes, Total: %d bytes, Min Free: %d bytes\n", millis(), ESP.getFreeHeap(),
                   ESP.getHeapSize(), ESP.getMinFreeHeap());
     lastMemPrint = millis();
   }
 
-  inputManager.update();
-  if (inputManager.wasReleased(InputManager::BTN_POWER) && inputManager.getHeldTime() > POWER_BUTTON_WAKEUP_MS) {
+  // Check for any user activity (button press or release)
+  static unsigned long lastActivityTime = millis();
+  if (inputManager.wasAnyPressed() || inputManager.wasAnyReleased()) {
+    lastActivityTime = millis();  // Reset inactivity timer
+  }
+
+  if (millis() - lastActivityTime >= AUTO_SLEEP_TIMEOUT_MS) {
+    Serial.printf("[%lu] [SLP] Auto-sleep triggered after %lu ms of inactivity\n", millis(), AUTO_SLEEP_TIMEOUT_MS);
     enterDeepSleep();
     // This should never be hit as `enterDeepSleep` calls esp_deep_sleep_start
     return;
   }
 
-  if (currentScreen) {
-    currentScreen->handleInput();
+  if (inputManager.isPressed(InputManager::BTN_POWER) &&
+      inputManager.getHeldTime() > SETTINGS.getPowerButtonDuration()) {
+    enterDeepSleep();
+    // This should never be hit as `enterDeepSleep` calls esp_deep_sleep_start
+    return;
+  }
+
+  const unsigned long activityStartTime = millis();
+  if (currentActivity) {
+    currentActivity->loop();
+  }
+  const unsigned long activityDuration = millis() - activityStartTime;
+
+  const unsigned long loopDuration = millis() - loopStartTime;
+  if (loopDuration > maxLoopDuration) {
+    maxLoopDuration = loopDuration;
+    if (maxLoopDuration > 50) {
+      Serial.printf("[%lu] [LOOP] New max loop duration: %lu ms (activity: %lu ms)\n", millis(), maxLoopDuration,
+                    activityDuration);
+    }
+  }
+
+  // Add delay at the end of the loop to prevent tight spinning
+  // When an activity requests skip loop delay (e.g., webserver running), use yield() for faster response
+  // Otherwise, use longer delay to save power
+  if (currentActivity && currentActivity->skipLoopDelay()) {
+    yield();  // Give FreeRTOS a chance to run tasks, but return immediately
+  } else {
+    delay(10);  // Normal delay when no activity requires fast response
   }
 }

src/network/CrossPointWebServer.cpp

@@ -0,0 +1,526 @@
+#include "CrossPointWebServer.h"
+
+#include <ArduinoJson.h>
+#include <SD.h>
+#include <WiFi.h>
+
+#include <algorithm>
+
+#include "html/FilesPageHtml.generated.h"
+#include "html/HomePageHtml.generated.h"
+
+namespace {
+// Folders/files to hide from the web interface file browser
+// Note: Items starting with "." are automatically hidden
+const char* HIDDEN_ITEMS[] = {"System Volume Information", "XTCache"};
+constexpr size_t HIDDEN_ITEMS_COUNT = sizeof(HIDDEN_ITEMS) / sizeof(HIDDEN_ITEMS[0]);
+}  // namespace
+
+// File listing page template - now using generated headers:
+// - HomePageHtml (from html/HomePage.html)
+// - FilesPageHeaderHtml (from html/FilesPageHeader.html)
+// - FilesPageFooterHtml (from html/FilesPageFooter.html)
+CrossPointWebServer::CrossPointWebServer() {}
+
+CrossPointWebServer::~CrossPointWebServer() { stop(); }
+
+void CrossPointWebServer::begin() {
+  if (running) {
+    Serial.printf("[%lu] [WEB] Web server already running\n", millis());
+    return;
+  }
+
+  if (WiFi.status() != WL_CONNECTED) {
+    Serial.printf("[%lu] [WEB] Cannot start webserver - WiFi not connected\n", millis());
+    return;
+  }
+
+  Serial.printf("[%lu] [WEB] [MEM] Free heap before begin: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  Serial.printf("[%lu] [WEB] Creating web server on port %d...\n", millis(), port);
+  server.reset(new WebServer(port));
+  Serial.printf("[%lu] [WEB] [MEM] Free heap after WebServer allocation: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  if (!server) {
+    Serial.printf("[%lu] [WEB] Failed to create WebServer!\n", millis());
+    return;
+  }
+
+  // Setup routes
+  Serial.printf("[%lu] [WEB] Setting up routes...\n", millis());
+  server->on("/", HTTP_GET, [this] { handleRoot(); });
+  server->on("/files", HTTP_GET, [this] { handleFileList(); });
+
+  server->on("/api/status", HTTP_GET, [this] { handleStatus(); });
+  server->on("/api/files", HTTP_GET, [this] { handleFileListData(); });
+
+  // Upload endpoint with special handling for multipart form data
+  server->on("/upload", HTTP_POST, [this] { handleUploadPost(); }, [this] { handleUpload(); });
+
+  // Create folder endpoint
+  server->on("/mkdir", HTTP_POST, [this] { handleCreateFolder(); });
+
+  // Delete file/folder endpoint
+  server->on("/delete", HTTP_POST, [this] { handleDelete(); });
+
+  server->onNotFound([this] { handleNotFound(); });
+  Serial.printf("[%lu] [WEB] [MEM] Free heap after route setup: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  server->begin();
+  running = true;
+
+  Serial.printf("[%lu] [WEB] Web server started on port %d\n", millis(), port);
+  Serial.printf("[%lu] [WEB] Access at http://%s/\n", millis(), WiFi.localIP().toString().c_str());
+  Serial.printf("[%lu] [WEB] [MEM] Free heap after server.begin(): %d bytes\n", millis(), ESP.getFreeHeap());
+}
+
+void CrossPointWebServer::stop() {
+  if (!running || !server) {
+    Serial.printf("[%lu] [WEB] stop() called but already stopped (running=%d, server=%p)\n", millis(), running,
+                  server.get());
+    return;
+  }
+
+  Serial.printf("[%lu] [WEB] STOP INITIATED - setting running=false first\n", millis());
+  running = false;  // Set this FIRST to prevent handleClient from using server
+
+  Serial.printf("[%lu] [WEB] [MEM] Free heap before stop: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  // Add delay to allow any in-flight handleClient() calls to complete
+  delay(100);
+  Serial.printf("[%lu] [WEB] Waited 100ms for handleClient to finish\n", millis());
+
+  server->stop();
+  Serial.printf("[%lu] [WEB] [MEM] Free heap after server->stop(): %d bytes\n", millis(), ESP.getFreeHeap());
+
+  // Add another delay before deletion to ensure server->stop() completes
+  delay(50);
+  Serial.printf("[%lu] [WEB] Waited 50ms before deleting server\n", millis());
+
+  server.reset();
+  Serial.printf("[%lu] [WEB] Web server stopped and deleted\n", millis());
+  Serial.printf("[%lu] [WEB] [MEM] Free heap after delete server: %d bytes\n", millis(), ESP.getFreeHeap());
+
+  // Note: Static upload variables (uploadFileName, uploadPath, uploadError) are declared
+  // later in the file and will be cleared when they go out of scope or on next upload
+  Serial.printf("[%lu] [WEB] [MEM] Free heap final: %d bytes\n", millis(), ESP.getFreeHeap());
+}
+
+void CrossPointWebServer::handleClient() const {
+  static unsigned long lastDebugPrint = 0;
+
+  // Check running flag FIRST before accessing server
+  if (!running) {
+    return;
+  }
+
+  // Double-check server pointer is valid
+  if (!server) {
+    Serial.printf("[%lu] [WEB] WARNING: handleClient called with null server!\n", millis());
+    return;
+  }
+
+  // Print debug every 10 seconds to confirm handleClient is being called
+  if (millis() - lastDebugPrint > 10000) {
+    Serial.printf("[%lu] [WEB] handleClient active, server running on port %d\n", millis(), port);
+    lastDebugPrint = millis();
+  }
+
+  server->handleClient();
+}
+
+void CrossPointWebServer::handleRoot() const {
+  server->send(200, "text/html", HomePageHtml);
+  Serial.printf("[%lu] [WEB] Served root page\n", millis());
+}
+
+void CrossPointWebServer::handleNotFound() const {
+  String message = "404 Not Found\n\n";
+  message += "URI: " + server->uri() + "\n";
+  server->send(404, "text/plain", message);
+}
+
+void CrossPointWebServer::handleStatus() const {
+  String json = "{";
+  json += "\"version\":\"" + String(CROSSPOINT_VERSION) + "\",";
+  json += "\"ip\":\"" + WiFi.localIP().toString() + "\",";
+  json += "\"rssi\":" + String(WiFi.RSSI()) + ",";
+  json += "\"freeHeap\":" + String(ESP.getFreeHeap()) + ",";
+  json += "\"uptime\":" + String(millis() / 1000);
+  json += "}";
+
+  server->send(200, "application/json", json);
+}
+
+void CrossPointWebServer::scanFiles(const char* path, const std::function<void(FileInfo)>& callback) const {
+  File root = SD.open(path);
+  if (!root) {
+    Serial.printf("[%lu] [WEB] Failed to open directory: %s\n", millis(), path);
+    return;
+  }
+
+  if (!root.isDirectory()) {
+    Serial.printf("[%lu] [WEB] Not a directory: %s\n", millis(), path);
+    root.close();
+    return;
+  }
+
+  Serial.printf("[%lu] [WEB] Scanning files in: %s\n", millis(), path);
+
+  File file = root.openNextFile();
+  while (file) {
+    auto fileName = String(file.name());
+
+    // Skip hidden items (starting with ".")
+    bool shouldHide = fileName.startsWith(".");
+
+    // Check against explicitly hidden items list
+    if (!shouldHide) {
+      for (size_t i = 0; i < HIDDEN_ITEMS_COUNT; i++) {
+        if (fileName.equals(HIDDEN_ITEMS[i])) {
+          shouldHide = true;
+          break;
+        }
+      }
+    }
+
+    if (!shouldHide) {
+      FileInfo info;
+      info.name = fileName;
+      info.isDirectory = file.isDirectory();
+
+      if (info.isDirectory) {
+        info.size = 0;
+        info.isEpub = false;
+      } else {
+        info.size = file.size();
+        info.isEpub = isEpubFile(info.name);
+      }
+
+      callback(info);
+    }
+
+    file.close();
+    file = root.openNextFile();
+  }
+  root.close();
+}
+
+bool CrossPointWebServer::isEpubFile(const String& filename) const {
+  String lower = filename;
+  lower.toLowerCase();
+  return lower.endsWith(".epub");
+}
+
+void CrossPointWebServer::handleFileList() const { server->send(200, "text/html", FilesPageHtml); }
+
+void CrossPointWebServer::handleFileListData() const {
+  // Get current path from query string (default to root)
+  String currentPath = "/";
+  if (server->hasArg("path")) {
+    currentPath = server->arg("path");
+    // Ensure path starts with /
+    if (!currentPath.startsWith("/")) {
+      currentPath = "/" + currentPath;
+    }
+    // Remove trailing slash unless it's root
+    if (currentPath.length() > 1 && currentPath.endsWith("/")) {
+      currentPath = currentPath.substring(0, currentPath.length() - 1);
+    }
+  }
+
+  server->setContentLength(CONTENT_LENGTH_UNKNOWN);
+  server->send(200, "application/json", "");
+  server->sendContent("[");
+  char output[512];
+  constexpr size_t outputSize = sizeof(output);
+  bool seenFirst = false;
+  scanFiles(currentPath.c_str(), [this, &output, seenFirst](const FileInfo& info) mutable {
+    JsonDocument doc;
+    doc["name"] = info.name;
+    doc["size"] = info.size;
+    doc["isDirectory"] = info.isDirectory;
+    doc["isEpub"] = info.isEpub;
+    const size_t written = serializeJson(doc, output, outputSize);
+    if (written >= outputSize) {
+      // JSON output truncated; skip this entry to avoid sending malformed JSON
+      Serial.printf("[%lu] [WEB] Skipping file entry with oversized JSON for name: %s\n", millis(), info.name.c_str());
+      return;
+    }
+
+    if (seenFirst) {
+      server->sendContent(",");
+    } else {
+      seenFirst = true;
+    }
+    server->sendContent(output);
+  });
+  server->sendContent("]");
+  // End of streamed response, empty chunk to signal client
+  server->sendContent("");
+  Serial.printf("[%lu] [WEB] Served file listing page for path: %s\n", millis(), currentPath.c_str());
+}
+
+// Static variables for upload handling
+static File uploadFile;
+static String uploadFileName;
+static String uploadPath = "/";
+static size_t uploadSize = 0;
+static bool uploadSuccess = false;
+static String uploadError = "";
+
+void CrossPointWebServer::handleUpload() const {
+  static unsigned long lastWriteTime = 0;
+  static unsigned long uploadStartTime = 0;
+  static size_t lastLoggedSize = 0;
+
+  // Safety check: ensure server is still valid
+  if (!running || !server) {
+    Serial.printf("[%lu] [WEB] [UPLOAD] ERROR: handleUpload called but server not running!\n", millis());
+    return;
+  }
+
+  const HTTPUpload& upload = server->upload();
+
+  if (upload.status == UPLOAD_FILE_START) {
+    uploadFileName = upload.filename;
+    uploadSize = 0;
+    uploadSuccess = false;
+    uploadError = "";
+    uploadStartTime = millis();
+    lastWriteTime = millis();
+    lastLoggedSize = 0;
+
+    // Get upload path from query parameter (defaults to root if not specified)
+    // Note: We use query parameter instead of form data because multipart form
+    // fields aren't available until after file upload completes
+    if (server->hasArg("path")) {
+      uploadPath = server->arg("path");
+      // Ensure path starts with /
+      if (!uploadPath.startsWith("/")) {
+        uploadPath = "/" + uploadPath;
+      }
+      // Remove trailing slash unless it's root
+      if (uploadPath.length() > 1 && uploadPath.endsWith("/")) {
+        uploadPath = uploadPath.substring(0, uploadPath.length() - 1);
+      }
+    } else {
+      uploadPath = "/";
+    }
+
+    Serial.printf("[%lu] [WEB] [UPLOAD] START: %s to path: %s\n", millis(), uploadFileName.c_str(), uploadPath.c_str());
+    Serial.printf("[%lu] [WEB] [UPLOAD] Free heap: %d bytes\n", millis(), ESP.getFreeHeap());
+
+    // Create file path
+    String filePath = uploadPath;
+    if (!filePath.endsWith("/")) filePath += "/";
+    filePath += uploadFileName;
+
+    // Check if file already exists
+    if (SD.exists(filePath.c_str())) {
+      Serial.printf("[%lu] [WEB] [UPLOAD] Overwriting existing file: %s\n", millis(), filePath.c_str());
+      SD.remove(filePath.c_str());
+    }
+
+    // Open file for writing
+    uploadFile = SD.open(filePath.c_str(), FILE_WRITE);
+    if (!uploadFile) {
+      uploadError = "Failed to create file on SD card";
+      Serial.printf("[%lu] [WEB] [UPLOAD] FAILED to create file: %s\n", millis(), filePath.c_str());
+      return;
+    }
+
+    Serial.printf("[%lu] [WEB] [UPLOAD] File created successfully: %s\n", millis(), filePath.c_str());
+  } else if (upload.status == UPLOAD_FILE_WRITE) {
+    if (uploadFile && uploadError.isEmpty()) {
+      const unsigned long writeStartTime = millis();
+      const size_t written = uploadFile.write(upload.buf, upload.currentSize);
+      const unsigned long writeEndTime = millis();
+      const unsigned long writeDuration = writeEndTime - writeStartTime;
+
+      if (written != upload.currentSize) {
+        uploadError = "Failed to write to SD card - disk may be full";
+        uploadFile.close();
+        Serial.printf("[%lu] [WEB] [UPLOAD] WRITE ERROR - expected %d, wrote %d\n", millis(), upload.currentSize,
+                      written);
+      } else {
+        uploadSize += written;
+
+        // Log progress every 50KB or if write took >100ms
+        if (uploadSize - lastLoggedSize >= 51200 || writeDuration > 100) {
+          const unsigned long timeSinceStart = millis() - uploadStartTime;
+          const unsigned long timeSinceLastWrite = millis() - lastWriteTime;
+          const float kbps = (uploadSize / 1024.0) / (timeSinceStart / 1000.0);
+
+          Serial.printf(
+              "[%lu] [WEB] [UPLOAD] Progress: %d bytes (%.1f KB), %.1f KB/s, write took %lu ms, gap since last: %lu "
+              "ms\n",
+              millis(), uploadSize, uploadSize / 1024.0, kbps, writeDuration, timeSinceLastWrite);
+          lastLoggedSize = uploadSize;
+        }
+        lastWriteTime = millis();
+      }
+    }
+  } else if (upload.status == UPLOAD_FILE_END) {
+    if (uploadFile) {
+      uploadFile.close();
+
+      if (uploadError.isEmpty()) {
+        uploadSuccess = true;
+        Serial.printf("[%lu] [WEB] Upload complete: %s (%d bytes)\n", millis(), uploadFileName.c_str(), uploadSize);
+      }
+    }
+  } else if (upload.status == UPLOAD_FILE_ABORTED) {
+    if (uploadFile) {
+      uploadFile.close();
+      // Try to delete the incomplete file
+      String filePath = uploadPath;
+      if (!filePath.endsWith("/")) filePath += "/";
+      filePath += uploadFileName;
+      SD.remove(filePath.c_str());
+    }
+    uploadError = "Upload aborted";
+    Serial.printf("[%lu] [WEB] Upload aborted\n", millis());
+  }
+}
+
+void CrossPointWebServer::handleUploadPost() const {
+  if (uploadSuccess) {
+    server->send(200, "text/plain", "File uploaded successfully: " + uploadFileName);
+  } else {
+    const String error = uploadError.isEmpty() ? "Unknown error during upload" : uploadError;
+    server->send(400, "text/plain", error);
+  }
+}
+
+void CrossPointWebServer::handleCreateFolder() const {
+  // Get folder name from form data
+  if (!server->hasArg("name")) {
+    server->send(400, "text/plain", "Missing folder name");
+    return;
+  }
+
+  const String folderName = server->arg("name");
+
+  // Validate folder name
+  if (folderName.isEmpty()) {
+    server->send(400, "text/plain", "Folder name cannot be empty");
+    return;
+  }
+
+  // Get parent path
+  String parentPath = "/";
+  if (server->hasArg("path")) {
+    parentPath = server->arg("path");
+    if (!parentPath.startsWith("/")) {
+      parentPath = "/" + parentPath;
+    }
+    if (parentPath.length() > 1 && parentPath.endsWith("/")) {
+      parentPath = parentPath.substring(0, parentPath.length() - 1);
+    }
+  }
+
+  // Build full folder path
+  String folderPath = parentPath;
+  if (!folderPath.endsWith("/")) folderPath += "/";
+  folderPath += folderName;
+
+  Serial.printf("[%lu] [WEB] Creating folder: %s\n", millis(), folderPath.c_str());
+
+  // Check if already exists
+  if (SD.exists(folderPath.c_str())) {
+    server->send(400, "text/plain", "Folder already exists");
+    return;
+  }
+
+  // Create the folder
+  if (SD.mkdir(folderPath.c_str())) {
+    Serial.printf("[%lu] [WEB] Folder created successfully: %s\n", millis(), folderPath.c_str());
+    server->send(200, "text/plain", "Folder created: " + folderName);
+  } else {
+    Serial.printf("[%lu] [WEB] Failed to create folder: %s\n", millis(), folderPath.c_str());
+    server->send(500, "text/plain", "Failed to create folder");
+  }
+}
+
+void CrossPointWebServer::handleDelete() const {
+  // Get path from form data
+  if (!server->hasArg("path")) {
+    server->send(400, "text/plain", "Missing path");
+    return;
+  }
+
+  String itemPath = server->arg("path");
+  const String itemType = server->hasArg("type") ? server->arg("type") : "file";
+
+  // Validate path
+  if (itemPath.isEmpty() || itemPath == "/") {
+    server->send(400, "text/plain", "Cannot delete root directory");
+    return;
+  }
+
+  // Ensure path starts with /
+  if (!itemPath.startsWith("/")) {
+    itemPath = "/" + itemPath;
+  }
+
+  // Security check: prevent deletion of protected items
+  const String itemName = itemPath.substring(itemPath.lastIndexOf('/') + 1);
+
+  // Check if item starts with a dot (hidden/system file)
+  if (itemName.startsWith(".")) {
+    Serial.printf("[%lu] [WEB] Delete rejected - hidden/system item: %s\n", millis(), itemPath.c_str());
+    server->send(403, "text/plain", "Cannot delete system files");
+    return;
+  }
+
+  // Check against explicitly protected items
+  for (size_t i = 0; i < HIDDEN_ITEMS_COUNT; i++) {
+    if (itemName.equals(HIDDEN_ITEMS[i])) {
+      Serial.printf("[%lu] [WEB] Delete rejected - protected item: %s\n", millis(), itemPath.c_str());
+      server->send(403, "text/plain", "Cannot delete protected items");
+      return;
+    }
+  }
+
+  // Check if item exists
+  if (!SD.exists(itemPath.c_str())) {
+    Serial.printf("[%lu] [WEB] Delete failed - item not found: %s\n", millis(), itemPath.c_str());
+    server->send(404, "text/plain", "Item not found");
+    return;
+  }
+
+  Serial.printf("[%lu] [WEB] Attempting to delete %s: %s\n", millis(), itemType.c_str(), itemPath.c_str());
+
+  bool success = false;
+
+  if (itemType == "folder") {
+    // For folders, try to remove (will fail if not empty)
+    File dir = SD.open(itemPath.c_str());
+    if (dir && dir.isDirectory()) {
+      // Check if folder is empty
+      File entry = dir.openNextFile();
+      if (entry) {
+        // Folder is not empty
+        entry.close();
+        dir.close();
+        Serial.printf("[%lu] [WEB] Delete failed - folder not empty: %s\n", millis(), itemPath.c_str());
+        server->send(400, "text/plain", "Folder is not empty. Delete contents first.");
+        return;
+      }
+      dir.close();
+    }
+    success = SD.rmdir(itemPath.c_str());
+  } else {
+    // For files, use remove
+    success = SD.remove(itemPath.c_str());
+  }
+
+  if (success) {
+    Serial.printf("[%lu] [WEB] Successfully deleted: %s\n", millis(), itemPath.c_str());
+    server->send(200, "text/plain", "Deleted successfully");
+  } else {
+    Serial.printf("[%lu] [WEB] Failed to delete: %s\n", millis(), itemPath.c_str());
+    server->send(500, "text/plain", "Failed to delete item");
+  }
+}

src/network/CrossPointWebServer.h

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <WebServer.h>
+
+#include <vector>
+
+// Structure to hold file information
+struct FileInfo {
+  String name;
+  size_t size;
+  bool isEpub;
+  bool isDirectory;
+};
+
+class CrossPointWebServer {
+ public:
+  CrossPointWebServer();
+  ~CrossPointWebServer();
+
+  // Start the web server (call after WiFi is connected)
+  void begin();
+
+  // Stop the web server
+  void stop();
+
+  // Call this periodically to handle client requests
+  void handleClient() const;
+
+  // Check if server is running
+  bool isRunning() const { return running; }
+
+  // Get the port number
+  uint16_t getPort() const { return port; }
+
+ private:
+  std::unique_ptr<WebServer> server = nullptr;
+  bool running = false;
+  uint16_t port = 80;
+
+  // File scanning
+  void scanFiles(const char* path, const std::function<void(FileInfo)>& callback) const;
+  String formatFileSize(size_t bytes) const;
+  bool isEpubFile(const String& filename) const;
+
+  // Request handlers
+  void handleRoot() const;
+  void handleNotFound() const;
+  void handleStatus() const;
+  void handleFileList() const;
+  void handleFileListData() const;
+  void handleUpload() const;
+  void handleUploadPost() const;
+  void handleCreateFolder() const;
+  void handleDelete() const;
+};

src/network/html/FilesPage.html

@@ -0,0 +1,859 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>CrossPoint Reader - Files</title>
+  <style>
+    body {
+      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
+      Oxygen, Ubuntu, sans-serif;
+      max-width: 800px;
+      margin: 0 auto;
+      padding: 20px;
+      background-color: #f5f5f5;
+      color: #333;
+    }
+    h1 {
+      color: #2c3e50;
+      margin-bottom: 5px;
+    }
+    h2 {
+      color: #34495e;
+      margin-top: 0;
+    }
+    .card {
+      background: white;
+      border-radius: 8px;
+      padding: 20px;
+      margin: 15px 0;
+      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    }
+    .page-header {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      flex-wrap: wrap;
+      gap: 15px;
+      margin-bottom: 20px;
+      padding-bottom: 15px;
+      border-bottom: 2px solid #3498db;
+    }
+    .page-header-left {
+      display: flex;
+      align-items: baseline;
+      gap: 12px;
+      flex-wrap: wrap;
+    }
+    .breadcrumb-inline {
+      color: #7f8c8d;
+      font-size: 1.1em;
+    }
+    .breadcrumb-inline a {
+      color: #3498db;
+      text-decoration: none;
+    }
+    .breadcrumb-inline a:hover {
+      text-decoration: underline;
+    }
+    .breadcrumb-inline .sep {
+      margin: 0 6px;
+      color: #bdc3c7;
+    }
+    .breadcrumb-inline .current {
+      color: #2c3e50;
+      font-weight: 500;
+    }
+    .nav-links {
+      margin: 20px 0;
+    }
+    .nav-links a {
+      display: inline-block;
+      padding: 10px 20px;
+      background-color: #3498db;
+      color: white;
+      text-decoration: none;
+      border-radius: 4px;
+      margin-right: 10px;
+    }
+    .nav-links a:hover {
+      background-color: #2980b9;
+    }
+    /* Action buttons */
+    .action-buttons {
+      display: flex;
+      gap: 10px;
+    }
+    .action-btn {
+      color: white;
+      padding: 10px 16px;
+      border: none;
+      border-radius: 4px;
+      cursor: pointer;
+      font-size: 0.95em;
+      font-weight: 600;
+      display: flex;
+      align-items: center;
+      gap: 6px;
+    }
+    .upload-action-btn {
+      background-color: #27ae60;
+    }
+    .upload-action-btn:hover {
+      background-color: #219a52;
+    }
+    .folder-action-btn {
+      background-color: #f39c12;
+    }
+    .folder-action-btn:hover {
+      background-color: #d68910;
+    }
+    /* Upload modal */
+    .modal-overlay {
+      display: none;
+      position: fixed;
+      top: 0;
+      left: 0;
+      right: 0;
+      bottom: 0;
+      background: rgba(0, 0, 0, 0.5);
+      z-index: 200;
+      justify-content: center;
+      align-items: center;
+    }
+    .modal-overlay.open {
+      display: flex;
+    }
+    .modal {
+      background: white;
+      border-radius: 8px;
+      padding: 25px;
+      max-width: 450px;
+      width: 90%;
+      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
+    }
+    .modal h3 {
+      margin: 0 0 15px 0;
+      color: #2c3e50;
+    }
+    .modal-close {
+      float: right;
+      background: none;
+      border: none;
+      font-size: 1.5em;
+      cursor: pointer;
+      color: #7f8c8d;
+      line-height: 1;
+    }
+    .modal-close:hover {
+      color: #2c3e50;
+    }
+    .file-table {
+      width: 100%;
+      border-collapse: collapse;
+    }
+    .file-table th,
+    .file-table td {
+      padding: 12px;
+      text-align: left;
+      border-bottom: 1px solid #eee;
+    }
+    .file-table th {
+      background-color: #f8f9fa;
+      font-weight: 600;
+      color: #7f8c8d;
+    }
+    .file-table tr:hover {
+      background-color: #f8f9fa;
+    }
+    .epub-file {
+      background-color: #e8f6e9 !important;
+    }
+    .epub-file:hover {
+      background-color: #d4edda !important;
+    }
+    .folder-row {
+      background-color: #fff9e6 !important;
+    }
+    .folder-row:hover {
+      background-color: #fff3cd !important;
+    }
+    .epub-badge {
+      display: inline-block;
+      padding: 2px 8px;
+      background-color: #27ae60;
+      color: white;
+      border-radius: 10px;
+      font-size: 0.75em;
+      margin-left: 8px;
+    }
+    .folder-badge {
+      display: inline-block;
+      padding: 2px 8px;
+      background-color: #f39c12;
+      color: white;
+      border-radius: 10px;
+      font-size: 0.75em;
+      margin-left: 8px;
+    }
+    .file-icon {
+      margin-right: 8px;
+    }
+    .folder-link {
+      color: #2c3e50;
+      text-decoration: none;
+      cursor: pointer;
+    }
+    .folder-link:hover {
+      color: #3498db;
+      text-decoration: underline;
+    }
+    .upload-form {
+      margin-top: 10px;
+    }
+    .upload-form input[type="file"] {
+      margin: 10px 0;
+      width: 100%;
+    }
+    .upload-btn {
+      background-color: #27ae60;
+      color: white;
+      padding: 10px 20px;
+      border: none;
+      border-radius: 4px;
+      cursor: pointer;
+      font-size: 1em;
+      width: 100%;
+    }
+    .upload-btn:hover {
+      background-color: #219a52;
+    }
+    .upload-btn:disabled {
+      background-color: #95a5a6;
+      cursor: not-allowed;
+    }
+    .file-info {
+      color: #7f8c8d;
+      font-size: 0.85em;
+      margin: 8px 0;
+    }
+    .no-files {
+      text-align: center;
+      color: #95a5a6;
+      padding: 40px;
+      font-style: italic;
+    }
+    .message {
+      padding: 15px;
+      border-radius: 4px;
+      margin: 15px 0;
+    }
+    .message.success {
+      background-color: #d4edda;
+      color: #155724;
+      border: 1px solid #c3e6cb;
+    }
+    .message.error {
+      background-color: #f8d7da;
+      color: #721c24;
+      border: 1px solid #f5c6cb;
+    }
+    .contents-header {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      margin-bottom: 12px;
+    }
+    .contents-title {
+      font-size: 1.1em;
+      font-weight: 600;
+      color: #34495e;
+      margin: 0;
+    }
+    .summary-inline {
+      color: #7f8c8d;
+      font-size: 0.9em;
+    }
+    #progress-container {
+      display: none;
+      margin-top: 10px;
+    }
+    #progress-bar {
+      width: 100%;
+      height: 20px;
+      background-color: #e0e0e0;
+      border-radius: 10px;
+      overflow: hidden;
+    }
+    #progress-fill {
+      height: 100%;
+      background-color: #27ae60;
+      width: 0%;
+      transition: width 0.3s;
+    }
+    #progress-text {
+      text-align: center;
+      margin-top: 5px;
+      font-size: 0.9em;
+      color: #7f8c8d;
+    }
+    .folder-form {
+      margin-top: 10px;
+    }
+    .folder-input {
+      width: 100%;
+      padding: 10px;
+      border: 1px solid #ddd;
+      border-radius: 4px;
+      font-size: 1em;
+      margin-bottom: 10px;
+      box-sizing: border-box;
+    }
+    .folder-btn {
+      background-color: #f39c12;
+      color: white;
+      padding: 10px 20px;
+      border: none;
+      border-radius: 4px;
+      cursor: pointer;
+      font-size: 1em;
+      width: 100%;
+    }
+    .folder-btn:hover {
+      background-color: #d68910;
+    }
+    /* Delete button styles */
+    .delete-btn {
+      background: none;
+      border: none;
+      cursor: pointer;
+      font-size: 1.1em;
+      padding: 4px 8px;
+      border-radius: 4px;
+      color: #95a5a6;
+      transition: all 0.15s;
+    }
+    .delete-btn:hover {
+      background-color: #fee;
+      color: #e74c3c;
+    }
+    .actions-col {
+      width: 60px;
+      text-align: center;
+    }
+    /* Delete modal */
+    .delete-warning {
+      color: #e74c3c;
+      font-weight: 600;
+      margin: 10px 0;
+    }
+    .delete-item-name {
+      font-weight: 600;
+      color: #2c3e50;
+      word-break: break-all;
+    }
+    .delete-btn-confirm {
+      background-color: #e74c3c;
+      color: white;
+      padding: 10px 20px;
+      border: none;
+      border-radius: 4px;
+      cursor: pointer;
+      font-size: 1em;
+      width: 100%;
+    }
+    .delete-btn-confirm:hover {
+      background-color: #c0392b;
+    }
+    .delete-btn-cancel {
+      background-color: #95a5a6;
+      color: white;
+      padding: 10px 20px;
+      border: none;
+      border-radius: 4px;
+      cursor: pointer;
+      font-size: 1em;
+      width: 100%;
+      margin-top: 10px;
+    }
+    .delete-btn-cancel:hover {
+      background-color: #7f8c8d;
+    }
+    .loader-container {
+      display: flex;
+      justify-content: center;
+      align-items: center;
+      margin: 20px 0;
+    }
+    .loader {
+      width: 48px;
+      height: 48px;
+      border: 5px solid #AAA;
+      border-bottom-color: transparent;
+      border-radius: 50%;
+      display: inline-block;
+      box-sizing: border-box;
+      animation: rotation 1s linear infinite;
+    }
+    @keyframes rotation {
+      from {
+        transform: rotate(0deg);
+      }
+      to {
+        transform: rotate(360deg);
+      }
+    }
+    /* Mobile responsive styles */
+    @media (max-width: 600px) {
+      body {
+        padding: 10px;
+        font-size: 14px;
+      }
+      .card {
+        padding: 12px;
+        margin: 10px 0;
+      }
+      .page-header {
+        gap: 10px;
+        margin-bottom: 12px;
+        padding-bottom: 10px;
+      }
+      .page-header-left {
+        gap: 8px;
+      }
+      h1 {
+        font-size: 1.3em;
+      }
+      .breadcrumb-inline {
+        font-size: 0.95em;
+      }
+      .nav-links a {
+        padding: 8px 12px;
+        margin-right: 6px;
+        font-size: 0.9em;
+      }
+      .action-buttons {
+        gap: 6px;
+      }
+      .action-btn {
+        padding: 8px 10px;
+        font-size: 0.85em;
+      }
+      .file-table th,
+      .file-table td {
+        padding: 8px 6px;
+        font-size: 0.9em;
+      }
+      .file-table th {
+        font-size: 0.85em;
+      }
+      .file-icon {
+        margin-right: 4px;
+      }
+      .epub-badge,
+      .folder-badge {
+        padding: 2px 5px;
+        font-size: 0.65em;
+        margin-left: 4px;
+      }
+      .contents-header {
+        margin-bottom: 8px;
+        flex-wrap: wrap;
+        gap: 4px;
+      }
+      .contents-title {
+        font-size: 1em;
+      }
+      .summary-inline {
+        font-size: 0.8em;
+      }
+      .modal {
+        padding: 15px;
+      }
+      .modal h3 {
+        font-size: 1.1em;
+      }
+      .actions-col {
+        width: 40px;
+      }
+      .delete-btn {
+        font-size: 1em;
+        padding: 2px 4px;
+      }
+      .no-files {
+        padding: 20px;
+        font-size: 0.9em;
+      }
+    }
+  </style>
+</head>
+<body>
+<div class="nav-links">
+  <a href="/">Home</a>
+  <a href="/files">File Manager</a>
+</div>
+
+<div class="page-header">
+  <div class="page-header-left">
+    <h1>📁 File Manager</h1>
+    <div class="breadcrumb-inline" id="directory-breadcrumbs"></div>
+  </div>
+
+  <div class="action-buttons">
+    <button class="action-btn upload-action-btn" onclick="openUploadModal()">📤 Upload</button>
+    <button class="action-btn folder-action-btn" onclick="openFolderModal()">📁 New Folder</button>
+  </div>
+</div>
+
+<div class="card">
+  <div class="contents-header">
+    <h2 class="contents-title">Contents</h2>
+    <span class="summary-inline" id="folder-summary"></span>
+  </div>
+
+  <div id="file-table">
+    <div class="loader-container">
+      <span class="loader"></span>
+    </div>
+  </div>
+</div>
+
+<div class="card">
+  <p style="text-align: center; color: #95a5a6; margin: 0;">
+    CrossPoint E-Reader • Open Source
+  </p>
+</div>
+
+<!-- Upload Modal -->
+<div class="modal-overlay" id="uploadModal">
+  <div class="modal">
+    <button class="modal-close" onclick="closeUploadModal()">&times;</button>
+    <h3>📤 Upload file</h3>
+    <div class="upload-form">
+      <p class="file-info">Select a file to upload to <strong id="uploadPathDisplay"></strong></p>
+      <input type="file" id="fileInput" onchange="validateFile()">
+      <button id="uploadBtn" class="upload-btn" onclick="uploadFile()" disabled>Upload</button>
+      <div id="progress-container">
+        <div id="progress-bar"><div id="progress-fill"></div></div>
+        <div id="progress-text"></div>
+      </div>
+    </div>
+  </div>
+</div>
+
+<!-- New Folder Modal -->
+<div class="modal-overlay" id="folderModal">
+  <div class="modal">
+    <button class="modal-close" onclick="closeFolderModal()">&times;</button>
+    <h3>📁 New Folder</h3>
+    <div class="folder-form">
+      <p class="file-info">Create a new folder in <strong id="folderPathDisplay"></strong></p>
+      <input type="text" id="folderName" class="folder-input" placeholder="Folder name...">
+      <button class="folder-btn" onclick="createFolder()">Create Folder</button>
+    </div>
+  </div>
+</div>
+
+<!-- Delete Confirmation Modal -->
+<div class="modal-overlay" id="deleteModal">
+  <div class="modal">
+    <button class="modal-close" onclick="closeDeleteModal()">&times;</button>
+    <h3>🗑️ Delete Item</h3>
+    <div class="folder-form">
+      <p class="delete-warning">⚠️ This action cannot be undone!</p>
+      <p class="file-info">Are you sure you want to delete:</p>
+      <p class="delete-item-name" id="deleteItemName"></p>
+      <input type="hidden" id="deleteItemPath">
+      <input type="hidden" id="deleteItemType">
+      <button class="delete-btn-confirm" onclick="confirmDelete()">Delete</button>
+      <button class="delete-btn-cancel" onclick="closeDeleteModal()">Cancel</button>
+    </div>
+  </div>
+</div>
+
+<script>
+  // get current path from query parameter
+  const currentPath = decodeURIComponent(new URLSearchParams(window.location.search).get('path') || '/');
+
+  function escapeHtml(unsafe) {
+    return unsafe
+      .replaceAll("&", "&amp;")
+      .replaceAll("<", "&lt;")
+      .replaceAll(">", "&gt;")
+      .replaceAll('"', "&quot;")
+      .replaceAll("'", "&#039;");
+  }
+
+  function formatFileSize(bytes) {
+    if (bytes === 0) return '0 B';
+    const k = 1024;
+    const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
+    const i = Math.floor(Math.log(bytes) / Math.log(k));
+    return parseFloat((bytes / Math.pow(k, i)).toFixed(2)).toLocaleString() + ' ' + sizes[i];
+  }
+
+  async function hydrate() {
+    // Close modals when clicking overlay
+    document.querySelectorAll('.modal-overlay').forEach(function(overlay) {
+      overlay.addEventListener('click', function(e) {
+        if (e.target === overlay) {
+          overlay.classList.remove('open');
+        }
+      });
+    });
+
+    const breadcrumbs = document.getElementById('directory-breadcrumbs');
+    const fileTable = document.getElementById('file-table');
+
+    let breadcrumbContent = '<span class="sep">/</span>';
+    if (currentPath === '/') {
+      breadcrumbContent += '<span class="current">🏠</span>';
+    } else {
+      breadcrumbContent += '<a href="/files">🏠</a>';
+      const pathSegments = currentPath.split('/');
+      pathSegments.slice(1, pathSegments.length - 1).forEach(function(segment, index) {
+        breadcrumbContent += '<span class="sep">/</span><a href="/files?path=' + encodeURIComponent(pathSegments.slice(0, index + 2).join('/')) + '">' + escapeHtml(segment) + '</a>';
+      });
+      breadcrumbContent += '<span class="sep">/</span>';
+      breadcrumbContent += '<span class="current">' + escapeHtml(pathSegments[pathSegments.length - 1]) + '</span>';
+    }
+    breadcrumbs.innerHTML = breadcrumbContent;
+
+    let files = [];
+    try {
+      const response = await fetch('/api/files?path=' + encodeURIComponent(currentPath));
+      if (!response.ok) {
+        throw new Error('Failed to load files: ' + response.status + ' ' + response.statusText);
+      }
+      files = await response.json();
+    } catch (e) {
+      console.error(e);
+      fileTable.innerHTML = '<div class="no-files">An error occurred while loading the files</div>';
+      return;
+    }
+
+    let folderCount = 0;
+    let totalSize = 0;
+    files.forEach(file => {
+      if (file.isDirectory) folderCount++;
+      totalSize += file.size;
+    });
+
+    document.getElementById('folder-summary').innerHTML = `${folderCount} folders, ${files.length - folderCount} files, ${formatFileSize(totalSize)}`;
+
+    if (files.length === 0) {
+      fileTable.innerHTML = '<div class="no-files">This folder is empty</div>';
+    } else {
+      let fileTableContent = '<table class="file-table">';
+      fileTableContent += '<tr><th>Name</th><th>Type</th><th>Size</th><th class="actions-col">Actions</th></tr>';
+
+      const sortedFiles = files.sort((a, b) => {
+        // Directories first, then epub files, then other files, alphabetically within each group
+        if (a.isDirectory && !b.isDirectory) return -1;
+        if (!a.isDirectory && b.isDirectory) return 1;
+        if (a.isEpub && !b.isEpub) return -1;
+        if (!a.isEpub && b.isEpub) return 1;
+        return a.name.localeCompare(b.name);
+      });
+
+      sortedFiles.forEach(file => {
+        if (file.isDirectory) {
+          let folderPath = currentPath;
+          if (!folderPath.endsWith("/")) folderPath += "/";
+          folderPath += file.name;
+
+          fileTableContent += '<tr class="folder-row">';
+          fileTableContent += `<td><span class="file-icon">📁</span><a href="/files?path=${encodeURIComponent(folderPath)}" class="folder-link">${escapeHtml(file.name)}</a><span class="folder-badge">FOLDER</span></td>`;
+          fileTableContent += '<td>Folder</td>';
+          fileTableContent += '<td>-</td>';
+          fileTableContent += `<td class="actions-col"><button class="delete-btn" onclick="openDeleteModal('${file.name.replaceAll("'", "\\'")}', '${folderPath.replaceAll("'", "\\'")}', true)" title="Delete folder">🗑️</button></td>`;
+          fileTableContent += '</tr>';
+        } else {
+          let filePath = currentPath;
+          if (!filePath.endsWith("/")) filePath += "/";
+          filePath += file.name;
+
+          fileTableContent += `<tr class="${file.isEpub ? 'epub-file' : ''}">`;
+          fileTableContent += `<td><span class="file-icon">${file.isEpub ? '📗' : '📄'}</span>${escapeHtml(file.name)}`;
+          if (file.isEpub) fileTableContent += '<span class="epub-badge">EPUB</span>';
+          fileTableContent += '</td>';
+          fileTableContent += `<td>${file.name.split('.').pop().toUpperCase()}</td>`;
+          fileTableContent += `<td>${formatFileSize(file.size)}</td>`;
+          fileTableContent += `<td class="actions-col"><button class="delete-btn" onclick="openDeleteModal('${file.name.replaceAll("'", "\\'")}', '${filePath.replaceAll("'", "\\'")}', false)" title="Delete file">🗑️</button></td>`;
+          fileTableContent += '</tr>';
+        }
+      });
+
+      fileTableContent += '</table>';
+      fileTable.innerHTML = fileTableContent;
+    }
+  }
+
+  // Modal functions
+  function openUploadModal() {
+    document.getElementById('uploadPathDisplay').textContent = currentPath === '/' ? '/ 🏠' : currentPath;
+    document.getElementById('uploadModal').classList.add('open');
+  }
+
+  function closeUploadModal() {
+    document.getElementById('uploadModal').classList.remove('open');
+    document.getElementById('fileInput').value = '';
+    document.getElementById('uploadBtn').disabled = true;
+    document.getElementById('progress-container').style.display = 'none';
+    document.getElementById('progress-fill').style.width = '0%';
+    document.getElementById('progress-fill').style.backgroundColor = '#27ae60';
+  }
+
+  function openFolderModal() {
+    document.getElementById('folderPathDisplay').textContent = currentPath === '/' ? '/ 🏠' : currentPath;
+    document.getElementById('folderModal').classList.add('open');
+    document.getElementById('folderName').value = '';
+  }
+
+  function closeFolderModal() {
+    document.getElementById('folderModal').classList.remove('open');
+  }
+
+  function validateFile() {
+    const fileInput = document.getElementById('fileInput');
+    const uploadBtn = document.getElementById('uploadBtn');
+    const file = fileInput.files[0];
+    uploadBtn.disabled = !file;
+  }
+
+  function uploadFile() {
+    const fileInput = document.getElementById('fileInput');
+    const file = fileInput.files[0];
+
+    if (!file) {
+      alert('Please select a file first!');
+      return;
+    }
+
+    const formData = new FormData();
+    formData.append('file', file);
+
+    const progressContainer = document.getElementById('progress-container');
+    const progressFill = document.getElementById('progress-fill');
+    const progressText = document.getElementById('progress-text');
+    const uploadBtn = document.getElementById('uploadBtn');
+
+    progressContainer.style.display = 'block';
+    uploadBtn.disabled = true;
+
+    const xhr = new XMLHttpRequest();
+    // Include path as query parameter since multipart form data doesn't make
+    // form fields available until after file upload completes
+    xhr.open('POST', '/upload?path=' + encodeURIComponent(currentPath), true);
+
+    xhr.upload.onprogress = function(e) {
+      if (e.lengthComputable) {
+        const percent = Math.round((e.loaded / e.total) * 100);
+        progressFill.style.width = percent + '%';
+        progressText.textContent = 'Uploading: ' + percent + '%';
+      }
+    };
+
+    xhr.onload = function() {
+      if (xhr.status === 200) {
+        progressText.textContent = 'Upload complete!';
+        setTimeout(function() {
+          window.location.reload();
+        }, 1000);
+      } else {
+        progressText.textContent = 'Upload failed: ' + xhr.responseText;
+        progressFill.style.backgroundColor = '#e74c3c';
+        uploadBtn.disabled = false;
+      }
+    };
+
+    xhr.onerror = function() {
+      progressText.textContent = 'Upload failed - network error';
+      progressFill.style.backgroundColor = '#e74c3c';
+      uploadBtn.disabled = false;
+    };
+
+    xhr.send(formData);
+  }
+
+  function createFolder() {
+    const folderName = document.getElementById('folderName').value.trim();
+
+    if (!folderName) {
+      alert('Please enter a folder name!');
+      return;
+    }
+
+    // Validate folder name (no special characters except underscore and hyphen)
+    const validName = /^[a-zA-Z0-9_\-]+$/.test(folderName);
+    if (!validName) {
+      alert('Folder name can only contain letters, numbers, underscores, and hyphens.');
+      return;
+    }
+
+    const formData = new FormData();
+    formData.append('name', folderName);
+    formData.append('path', currentPath);
+
+    const xhr = new XMLHttpRequest();
+    xhr.open('POST', '/mkdir', true);
+
+    xhr.onload = function() {
+      if (xhr.status === 200) {
+        window.location.reload();
+      } else {
+        alert('Failed to create folder: ' + xhr.responseText);
+      }
+    };
+
+    xhr.onerror = function() {
+      alert('Failed to create folder - network error');
+    };
+
+    xhr.send(formData);
+  }
+
+  // Delete functions
+  function openDeleteModal(name, path, isFolder) {
+    document.getElementById('deleteItemName').textContent = (isFolder ? '📁 ' : '📄 ') + name;
+    document.getElementById('deleteItemPath').value = path;
+    document.getElementById('deleteItemType').value = isFolder ? 'folder' : 'file';
+    document.getElementById('deleteModal').classList.add('open');
+  }
+
+  function closeDeleteModal() {
+    document.getElementById('deleteModal').classList.remove('open');
+  }
+
+  function confirmDelete() {
+    const path = document.getElementById('deleteItemPath').value;
+    const itemType = document.getElementById('deleteItemType').value;
+
+    const formData = new FormData();
+    formData.append('path', path);
+    formData.append('type', itemType);
+
+    const xhr = new XMLHttpRequest();
+    xhr.open('POST', '/delete', true);
+
+    xhr.onload = function() {
+      if (xhr.status === 200) {
+        window.location.reload();
+      } else {
+        alert('Failed to delete: ' + xhr.responseText);
+        closeDeleteModal();
+      }
+    };
+
+    xhr.onerror = function() {
+      alert('Failed to delete - network error');
+      closeDeleteModal();
+    };
+
+    xhr.send(formData);
+  }
+
+  hydrate();
+</script>
+</body>
+</html>

src/network/html/HomePage.html

@@ -0,0 +1,129 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>CrossPoint Reader</title>
+    <style>
+      body {
+        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
+          Oxygen, Ubuntu, sans-serif;
+        max-width: 800px;
+        margin: 0 auto;
+        padding: 20px;
+        background-color: #f5f5f5;
+        color: #333;
+      }
+      h1 {
+        color: #2c3e50;
+        border-bottom: 2px solid #3498db;
+        padding-bottom: 10px;
+      }
+      h2 {
+        color: #34495e;
+        margin-top: 0;
+      }
+      .card {
+        background: white;
+        border-radius: 8px;
+        padding: 20px;
+        margin: 15px 0;
+        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+      }
+      .info-row {
+        display: flex;
+        justify-content: space-between;
+        padding: 8px 0;
+        border-bottom: 1px solid #eee;
+      }
+      .info-row:last-child {
+        border-bottom: none;
+      }
+      .label {
+        font-weight: 600;
+        color: #7f8c8d;
+      }
+      .value {
+        color: #2c3e50;
+      }
+      .status {
+        display: inline-block;
+        padding: 4px 12px;
+        border-radius: 12px;
+        background-color: #27ae60;
+        color: white;
+        font-size: 0.9em;
+      }
+      .nav-links {
+        margin: 20px 0;
+      }
+      .nav-links a {
+        display: inline-block;
+        padding: 10px 20px;
+        background-color: #3498db;
+        color: white;
+        text-decoration: none;
+        border-radius: 4px;
+        margin-right: 10px;
+      }
+      .nav-links a:hover {
+        background-color: #2980b9;
+      }
+    </style>
+  </head>
+  <body>
+    <h1>📚 CrossPoint Reader</h1>
+
+    <div class="nav-links">
+      <a href="/">Home</a>
+      <a href="/files">File Manager</a>
+    </div>
+
+    <div class="card">
+      <h2>Device Status</h2>
+      <div class="info-row">
+        <span class="label">Version</span>
+        <span class="value" id="version"></span>
+      </div>
+      <div class="info-row">
+        <span class="label">WiFi Status</span>
+        <span class="status">Connected</span>
+      </div>
+      <div class="info-row">
+        <span class="label">IP Address</span>
+        <span class="value" id="ip-address"></span>
+      </div>
+      <div class="info-row">
+        <span class="label">Free Memory</span>
+        <span class="value" id="free-heap"></span>
+      </div>
+    </div>
+
+    <div class="card">
+      <p style="text-align: center; color: #95a5a6; margin: 0">
+        CrossPoint E-Reader • Open Source
+      </p>
+    </div>
+  <script>
+    async function fetchStatus() {
+      try {
+        const response = await fetch('/api/status');
+        if (!response.ok) {
+          throw new Error('Failed to fetch status: ' + response.status + ' ' + response.statusText);
+        }
+        const data = await response.json();
+        document.getElementById('version').textContent = data.version || 'N/A';
+        document.getElementById('ip-address').textContent = data.ip || 'N/A';
+        document.getElementById('free-heap').textContent = data.freeHeap
+          ? data.freeHeap.toLocaleString() + ' bytes'
+          : 'N/A';
+      } catch (error) {
+        console.error('Error fetching status:', error);
+      }
+    }
+
+    // Fetch status on page load
+    window.onload = fetchStatus;
+  </script>
+  </body>
+</html>