gfxfont.h

00001 // Font structures for newer Adafruit_GFX (1.1 and later).
00002 // Example fonts are included in 'Fonts' directory.
00003 // To use a font in your Arduino sketch, #include the corresponding .h
00004 // file and pass address of GFXfont struct to setFont().  Pass NULL to
00005 // revert to 'classic' fixed-space bitmap font.
00006 
00007 #ifndef _GFXFONT_H_
00008 #define _GFXFONT_H_
00009 
00010 #include <stdint.h>
00011 
00012 typedef struct { // Data stored PER GLYPH
00013     uint16_t bitmapOffset;     // Pointer into GFXfont->bitmap
00014     uint8_t  width, height;    // Bitmap dimensions in pixels
00015     uint8_t  xAdvance;         // Distance to advance cursor (x axis)
00016     int8_t   xOffset, yOffset; // Dist from cursor pos to UL corner
00017 } GFXglyph;
00018 
00019 typedef struct { // Data stored for FONT AS A WHOLE:
00020     uint8_t  *bitmap;      // Glyph bitmaps, concatenated
00021     GFXglyph *glyph;       // Glyph array
00022     uint8_t   first, last; // ASCII extents
00023     uint8_t   yAdvance;    // Newline distance (y axis)
00024 } GFXfont;
00025 
00026 #endif // _GFXFONT_H_