Add anti-aliased font rendering with dithering

Browse Source

Replace solid black rendering of anti-aliased font edges with period-2 dithering patterns. Full coverage pixels render as solid ink, while partial coverage pixels use checkerboard patterns (50% for dark grey, 25% for light grey) matching fillRectDither behavior. This prevents edge pixels from bolding to black on BW displays and produces proper anti-aliasing for 2-bit fonts.

...

This commit is contained in:

Justin Mitchell

2026-07-05 16:06:56 -04:00

parent 3e1dd31e53

commit 62448b3c08

9 changed files with 17947 additions and 11245 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download Patch File Download Diff File Expand all files Collapse all files

lib/EpdFont/builtinFonts/notosans_8_regular.h

+3002 -2067

File diff suppressed because it is too large Load Diff

lib/EpdFont/builtinFonts/ubuntu_10_bold.h

+3403 -2130

File diff suppressed because it is too large Load Diff

lib/EpdFont/builtinFonts/ubuntu_10_regular.h

+3144 -1999

File diff suppressed because it is too large Load Diff

lib/EpdFont/builtinFonts/ubuntu_12_bold.h

+4348 -2602

File diff suppressed because it is too large Load Diff

lib/EpdFont/builtinFonts/ubuntu_12_regular.h

+4024 -2440

File diff suppressed because it is too large Load Diff