gfxfont.h

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// Font structures for newer Adafruit_GFX (1.1 and later).
// Example fonts are included in 'Fonts' directory.
// To use a font in your Arduino sketch, #include the corresponding .h
// file and pass address of GFXfont struct to setFont().  Pass NULL to
// revert to 'classic' fixed-space bitmap font.
 
#ifndef _GFXFONT_H_
#define _GFXFONT_H_
 
typedef struct {
  uint16_t bitmapOffset; 
  uint8_t width;         
  uint8_t height;        
  uint8_t xAdvance;      
  int8_t xOffset;        
  int8_t yOffset;        
} GFXglyph;
typedef struct  {…};
 
typedef struct {
  uint8_t *bitmap;  
  GFXglyph *glyph;  
  uint16_t first;   
  uint16_t last;    
  uint8_t yAdvance; 
} GFXfont;
typedef struct  {…};
 
#endif // _GFXFONT_H_