Public release

lib/EpdFont/EpdFontData.h

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+// From
+// https://github.com/vroland/epdiy/blob/c61e9e923ce2418150d54f88cea5d196cdc40c54/src/epd_internals.h
+
+#pragma once
+#include <cstdint>
+
+/// 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
+} EpdGlyph;
+
+/// Glyph interval structure
+typedef struct {
+  uint32_t first;   ///< The first unicode code point of the interval
+  uint32_t last;    ///< The last unicode code point of the interval
+  uint32_t offset;  ///< Index of the first code point into the glyph array
+} EpdUnicodeInterval;
+
+/// Data stored for FONT AS A WHOLE
+typedef struct {
+  const uint8_t* bitmap;                ///< Glyph bitmaps, concatenated
+  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
+} EpdFontData;