47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
#ifndef FONTS_H_
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#define FONTS_H_
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#include "main.h"
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// ==========================================================================
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// structure definition
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// ==========================================================================
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// This structure describes a single character's display information
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typedef struct
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{
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const uint8_t widthBits; // width, in bits (or pixels), of the character
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const uint16_t offset; // offset of the character's bitmap, in bytes, into the the FONT_INFO's data array
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} FONT_CHAR_INFO;
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// Describes a single font
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typedef struct
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{
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// uint8_t DownSpace; // Downs Space in pixels
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uint8_t heightPixels; // height, in pages (8 pixels), of the font's characters
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uint8_t startChar; // the first character in the font (e.g. in charInfo and data)
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uint8_t endChar;
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uint8_t interspacePixels; // number of pixels of interspace between characters
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// uint8_t spacePixels; // number of pixels of space character
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const FONT_CHAR_INFO * charInfo; // pointer to array of char information
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const uint8_t* data; // pointer to generated array of character visual representation
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// char * FontFileName; // (Pointer) Font filename saved on SD card or 0 (null) otherwise
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// uint8_t bitOrientation; // bits and byte orientation 0-T2B, 1-L2R
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} FONT_INFO;
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// Font data for Arial 8pt
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extern const uint8_t arial_12ptBitmaps[];
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extern const FONT_CHAR_INFO arial_12ptDescriptors[];
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extern const FONT_INFO arial_12ptFontInfo;
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extern const uint8_t arial_8ptBitmaps[];
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extern const FONT_CHAR_INFO arial_8ptDescriptors[];
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extern const FONT_INFO arial_8ptFontInfo;
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uint8_t font_print_str(const FONT_INFO * font, uint8_t * text, uint8_t pos_x, uint8_t pos_y);
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uint8_t font_string_lenght_px(const FONT_INFO * font, uint8_t * text);
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#endif /* MK_FONTX_H_ */
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