This commit is contained in:
jpirnay
2026-03-13 21:24:04 +01:00
83 changed files with 104973 additions and 120228 deletions
+25 -8
View File
@@ -1,18 +1,23 @@
#include "GfxRenderer.h"
#include <FontDecompressor.h>
#include <Logging.h>
#include <Utf8.h>
#include <cstring>
#include "FontCacheManager.h"
const uint8_t* GfxRenderer::getGlyphBitmap(const EpdFontData* fontData, const EpdGlyph* glyph) const {
if (fontData->groups != nullptr) {
if (!fontDecompressor) {
auto* fd = fontCacheManager_ ? fontCacheManager_->getDecompressor() : nullptr;
if (!fd) {
LOG_ERR("GFX", "Compressed font but no FontDecompressor set");
return nullptr;
}
uint16_t glyphIndex = static_cast<uint16_t>(glyph - fontData->glyph);
return fontDecompressor->getBitmap(fontData, glyph, glyphIndex);
uint32_t glyphIndex = static_cast<uint32_t>(glyph - fontData->glyph);
// For page-buffer hits the pointer is stable for the page lifetime.
// For hot-group hits it is valid only until the next getBitmap() call — callers
// must consume it (draw the glyph) before requesting another bitmap.
return fd->getBitmap(fontData, glyph, glyphIndex);
}
return &fontData->bitmap[glyph->dataOffset];
}
@@ -749,6 +754,11 @@ void GfxRenderer::drawText(const int fontId, const int x, const int y, const cha
return;
}
if (fontCacheManager_ && fontCacheManager_->isScanning()) {
fontCacheManager_->recordText(text, fontId, style);
return;
}
const auto fontIt = fontMap.find(fontId);
if (fontIt == fontMap.end()) {
LOG_ERR("GFX", "Font %d not found", fontId);
@@ -884,6 +894,7 @@ void GfxRenderer::drawText2BitLegacy(const int fontId, const int x, const int y,
#endif // ENABLE_RENDERCHAR_BENCHMARK
void GfxRenderer::drawLine(int x1, int y1, int x2, int y2, const bool state) const {
if (fontCacheManager_ && fontCacheManager_->isScanning()) return;
if (x1 == x2) {
if (y2 < y1) {
std::swap(y1, y2);
@@ -1355,6 +1366,7 @@ void GfxRenderer::drawIcon(const uint8_t bitmap[], const int x, const int y, con
void GfxRenderer::drawBitmap(const Bitmap& bitmap, const int x, const int y, const int maxWidth, const int maxHeight,
const float cropX, const float cropY) const {
if (fontCacheManager_ && fontCacheManager_->isScanning()) return;
// For 1-bit bitmaps, use optimized 1-bit rendering path (no crop support for 1-bit)
if (bitmap.is1Bit() && cropX == 0.0f && cropY == 0.0f) {
drawBitmap1Bit(bitmap, x, y, maxWidth, maxHeight);
@@ -1729,13 +1741,18 @@ int GfxRenderer::getSpaceWidth(const int fontId, const EpdFontFamily::Style styl
return spaceGlyph ? fp4::toPixel(spaceGlyph->advanceX) : 0; // snap 12.4 fixed-point to nearest pixel
}
int GfxRenderer::getSpaceKernAdjust(const int fontId, const uint32_t leftCp, const uint32_t rightCp,
const EpdFontFamily::Style style) const {
int GfxRenderer::getSpaceAdvance(const int fontId, const uint32_t leftCp, const uint32_t rightCp,
const EpdFontFamily::Style style) const {
const auto fontIt = fontMap.find(fontId);
if (fontIt == fontMap.end()) return 0;
const auto& font = fontIt->second;
const int kernFP = font.getKerning(leftCp, ' ', style) + font.getKerning(' ', rightCp, style); // 4.4 fixed-point
return fp4::toPixel(kernFP); // snap 4.4 fixed-point to nearest pixel
const EpdGlyph* spaceGlyph = font.getGlyph(' ', style);
const int32_t spaceAdvanceFP = spaceGlyph ? static_cast<int32_t>(spaceGlyph->advanceX) : 0;
// Combine space advance + flanking kern into one fixed-point sum before snapping.
// Snapping the combined value avoids the +/-1 px error from snapping each component separately.
const int32_t kernFP = static_cast<int32_t>(font.getKerning(leftCp, ' ', style)) +
static_cast<int32_t>(font.getKerning(' ', rightCp, style));
return fp4::toPixel(spaceAdvanceFP + kernFP);
}
int GfxRenderer::getKerning(const int fontId, const uint32_t leftCp, const uint32_t rightCp,