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Build and use 1-bit font, saves a good amount of space

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This commit is contained in:
Dave Allie
2025-12-07 01:26:49 +11:00
parent eceffaa289
commit 79294f6b8f
10 changed files with 8482 additions and 25051 deletions
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15
lib/EpdFont/EpdFontData.h
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@@ -6,13 +6,13 @@
/// Font data stored PER GLYPH
typedef struct {
uint8_t width; ///< Bitmap dimensions in pixels
uint8_t height; ///< Bitmap dimensions in pixels
uint8_t advanceX; ///< Distance to advance cursor (x axis)
int16_t left; ///< X dist from cursor pos to UL corner
int16_t top; ///< Y dist from cursor pos to UL corner
uint16_t compressedSize; ///< Size of the zlib-compressed font data.
uint32_t dataOffset; ///< Pointer into EpdFont->bitmap
uint8_t width; ///< Bitmap dimensions in pixels
uint8_t height; ///< Bitmap dimensions in pixels
uint8_t advanceX; ///< Distance to advance cursor (x axis)
int16_t left; ///< X dist from cursor pos to UL corner
int16_t top; ///< Y dist from cursor pos to UL corner
uint16_t dataLength; ///< Size of the font data.
uint32_t dataOffset; ///< Pointer into EpdFont->bitmap
} EpdGlyph;
/// Glyph interval structure
@@ -28,7 +28,6 @@ typedef struct {
const EpdGlyph* glyph; ///< Glyph array
const EpdUnicodeInterval* intervals; ///< Valid unicode intervals for this font
uint32_t intervalCount; ///< Number of unicode intervals.
bool compressed; ///< Does this font use compressed glyph bitmaps?
uint8_t advanceY; ///< Newline distance (y axis)
int ascender; ///< Maximal height of a glyph above the base line
int descender; ///< Maximal height of a glyph below the base line