39 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #pragma once
 | |
| 
 | |
| #include <stdint.h>
 | |
| #include <u8g2.h>
 | |
| #include <gui/icon.h>
 | |
| 
 | |
| typedef enum {
 | |
|     ColorWhite = 0x00,
 | |
|     ColorBlack = 0x01,
 | |
| } Color;
 | |
| 
 | |
| typedef enum { FontPrimary = 0x00, FontSecondary = 0x01, FontGlyph = 0x02 } Font;
 | |
| 
 | |
| typedef struct CanvasApi CanvasApi;
 | |
| struct CanvasApi {
 | |
|     uint8_t (*width)(CanvasApi* canvas);
 | |
|     uint8_t (*height)(CanvasApi* canvas);
 | |
| 
 | |
|     void (*clear)(CanvasApi* canvas);
 | |
| 
 | |
|     void (*set_color)(CanvasApi* canvas, Color color);
 | |
|     void (*set_font)(CanvasApi* canvas, Font font);
 | |
| 
 | |
|     void (*draw_str)(CanvasApi* canvas, uint8_t x, uint8_t y, const char* str);
 | |
|     void (*draw_icon)(CanvasApi* canvas, uint8_t x, uint8_t y, Icon* icon);
 | |
|     void (*draw_xbm)(
 | |
|         CanvasApi* canvas,
 | |
|         uint8_t x,
 | |
|         uint8_t y,
 | |
|         uint8_t w,
 | |
|         uint8_t h,
 | |
|         const uint8_t* bitmap);
 | |
|     void (*draw_dot)(CanvasApi* canvas, uint8_t x, uint8_t y);
 | |
|     void (*draw_box)(CanvasApi* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
 | |
|     void (*draw_frame)(CanvasApi* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
 | |
|     void (*draw_line)(CanvasApi* canvas, uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2);
 | |
|     void (*draw_glyph)(CanvasApi* canvas, uint8_t x, uint8_t y, uint16_t ch);
 | |
| };
 | 
