UnicodeFontDefs.h

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/*
 * Copyright (c) 2018 https://www.thecoderscorner.com (Dave Cherry).
 * This product is licensed under an Apache license, see the LICENSE file in the top-level directory.
 */
 
#ifndef TCMENU_UNICODE_FONT_DEFN
#define TCMENU_UNICODE_FONT_DEFN
 
#include <inttypes.h>
 
#ifdef HUGE_FONT_BITMAPS
typedef uint32_t bitmap_size_t;
#else
typedef uint16_t bitmap_size_t;
#endif //HUGE_FONT_BITMAPS
 
#ifndef PROGMEM
#define PROGMEM
#endif
 
#ifndef _GFXFONT_H_
#define _GFXFONT_H_

 
/*
 * The next section is copied from Adafruit_GFX, it provides support for using Adafruit GFX fonts with this library.
 *
 * 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().
 */

typedef struct {
    uint16_t bitmapOffset; 
    uint8_t width;         
    uint8_t height;        
    uint8_t xAdvance;      
    int8_t xOffset;        
    int8_t yOffset;        
} GFXglyph;

typedef struct {
    uint8_t *bitmap;  
    GFXglyph *glyph;  
    uint16_t first;   
    uint16_t last;    
    uint8_t yAdvance; 
} GFXfont;
 
#endif // GFXFont include

enum BitmapFormat: uint8_t { TCFONT_ONE_BIT_PER_PIXEL };

typedef struct {
    uint16_t relativeChar;
    bitmap_size_t relativeBmpOffset;
    uint8_t width;
    uint8_t height;
    uint8_t xAdvance;
    int8_t xOffset;
    int8_t yOffset;
} UnicodeFontGlyph;

typedef struct {
    uint32_t startingNum;
    const uint8_t *bitmap;
    const UnicodeFontGlyph *glyphs;
    uint16_t numberOfPoints;
} UnicodeFontBlock;

typedef struct {
    const UnicodeFontBlock *unicodeBlocks;
    uint16_t numberOfBlocks;
    uint8_t yAdvance;
    BitmapFormat bitmapFormat;
} UnicodeFont;
 
#endif // TCMENU_UNICODE_FONT_DEFN