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https://github.com/sle118/squeezelite-esp32.git
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93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
#ifndef _GDS_FONT_H_
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#define _GDS_FONT_H_
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct GDS_Device;
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/*
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* X-GLCD Font format:
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*
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* First byte of glyph is it's width in pixels.
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* Each data byte represents 8 pixels going down from top to bottom.
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*
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* Example glyph layout for a 16x16 font
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* 'a': [Glyph width][Pixel column 0][Pixel column 1] where the number of pixel columns is the font height divided by 8
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* 'b': [Glyph width][Pixel column 0][Pixel column 1]...
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* 'c': And so on...
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*/
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struct GDS_FontDef {
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const uint8_t* FontData;
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int Width;
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int Height;
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int StartChar;
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int EndChar;
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bool Monospace;
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};
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typedef enum {
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TextAnchor_East = 0,
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TextAnchor_West,
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TextAnchor_North,
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TextAnchor_South,
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TextAnchor_NorthEast,
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TextAnchor_NorthWest,
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TextAnchor_SouthEast,
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TextAnchor_SouthWest,
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TextAnchor_Center
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} TextAnchor;
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const struct GDS_FontDef* GDS_SetFont( struct GDS_Device* Display, const struct GDS_FontDef* Font );
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void GDS_FontForceProportional( struct GDS_Device* Display, bool Force );
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void GDS_FontForceMonospace( struct GDS_Device* Display, bool Force );
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int GDS_FontGetWidth( struct GDS_Device* Display );
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int GDS_FontGetHeight( struct GDS_Device* Display );
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int GDS_FontGetMaxCharsPerRow( struct GDS_Device* Display );
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int GDS_FontGetMaxCharsPerColumn( struct GDS_Device* Display );
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int GDS_FontGetCharWidth( struct GDS_Device* Display, char Character );
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int GDS_FontGetCharHeight( struct GDS_Device* Display );
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int GDS_FontMeasureString( struct GDS_Device* Display, const char* Text );
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int GDS_FontMeasureStringLine( struct GDS_Device* Display, int Line, const char* Text );
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void GDS_FontDrawChar( struct GDS_Device* Display, char Character, int x, int y, int Color );
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void GDS_FontDrawString( struct GDS_Device* Display, int x, int y, const char* Text, int Color );
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void GDS_FontDrawAnchoredString( struct GDS_Device* Display, TextAnchor Anchor, const char* Text, int Color );
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void GDS_FontGetAnchoredStringCoords( struct GDS_Device* Display, int* OutX, int* OutY, TextAnchor Anchor, const char* Text );
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extern const struct GDS_FontDef Font_droid_sans_fallback_11x13;
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extern const struct GDS_FontDef Font_droid_sans_fallback_15x17;
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extern const struct GDS_FontDef Font_droid_sans_fallback_24x28;
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extern const struct GDS_FontDef Font_droid_sans_mono_7x13;
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extern const struct GDS_FontDef Font_droid_sans_mono_13x24;
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extern const struct GDS_FontDef Font_droid_sans_mono_16x31;
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extern const struct GDS_FontDef Font_liberation_mono_9x15;
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extern const struct GDS_FontDef Font_liberation_mono_13x21;
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extern const struct GDS_FontDef Font_liberation_mono_17x30;
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extern const struct GDS_FontDef Font_Tarable7Seg_16x32;
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extern const struct GDS_FontDef Font_Tarable7Seg_32x64;
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extern const struct GDS_FontDef Font_line_1;
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extern const struct GDS_FontDef Font_line_2;
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#ifdef __cplusplus
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}
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#endif
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#endif
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