28 lines
		
	
	
		
			567 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			567 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #pragma once
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| 
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| #include <stdint.h>
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| #include <u8g2.h>
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| 
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| typedef enum {
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|     ColorWhite = 0x00,
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|     ColorBlack = 0x01,
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| } Color;
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| 
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| typedef enum {
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|     FontPrimary = 0x00,
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|     FontSecondary = 0x01,
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| } Font;
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| 
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| typedef struct CanvasApi CanvasApi;
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| struct CanvasApi {
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|     uint8_t (*width)(CanvasApi* canvas);
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|     uint8_t (*height)(CanvasApi* canvas);
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| 
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|     void (*clear)(CanvasApi* canvas);
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| 
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|     void (*set_color)(CanvasApi* canvas, Color color);
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|     void (*set_font)(CanvasApi* canvas, Font font);
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| 
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|     void (*draw_str)(CanvasApi* canvas, uint8_t x, uint8_t y, const char* str);
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| };
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