* GUI: abolish API injection into instances. Update usage by 3rd party apps. * GUI: update documentation. Cleanup api usage. Adjust status bar item spacing.
		
			
				
	
	
		
			88 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			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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| #include <gui/icon.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 { FontPrimary = 0x00, FontSecondary = 0x01, FontGlyph = 0x02 } Font;
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| 
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| typedef struct Canvas Canvas;
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| 
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| /*
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|  * Canvas width
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|  * @return width in pixels.
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|  */
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| uint8_t canvas_width(Canvas* canvas);
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| 
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| /*
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|  * Canvas height
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|  * @return height in pixels.
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|  */
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| uint8_t canvas_height(Canvas* canvas);
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| 
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| /*
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|  * Clear canvas, clear rendering buffer
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|  */
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| void canvas_clear(Canvas* canvas);
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| 
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| /*
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|  * Set drawing color
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|  */
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| void canvas_set_color(Canvas* canvas, Color color);
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| 
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| /*
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|  * Set drawing font
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|  */
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| void canvas_set_font(Canvas* canvas, Font font);
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| 
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| /*
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|  * Draw string at position of baseline defined by x, y.
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|  */
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| void canvas_draw_str(Canvas* canvas, uint8_t x, uint8_t y, const char* str);
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| 
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| /*
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|  * Draw icon at position defined by x,y.
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|  */
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| void canvas_draw_icon(Canvas* canvas, uint8_t x, uint8_t y, Icon* icon);
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| 
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| /*
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|  * Draw xbm icon of width, height at position defined by x,y.
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|  */
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| void canvas_draw_xbm(
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|     Canvas* canvas,
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|     uint8_t x,
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|     uint8_t y,
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|     uint8_t w,
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|     uint8_t h,
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|     const uint8_t* bitmap);
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| 
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| /*
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|  * Draw dot at x,y
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|  */
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| void canvas_draw_dot(Canvas* canvas, uint8_t x, uint8_t y);
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| 
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| /*
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|  * Draw box of width, height at x,y
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|  */
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| void canvas_draw_box(Canvas* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
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| 
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| /*
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|  * Draw frame of width, height at x,y
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|  */
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| void canvas_draw_frame(Canvas* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
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| 
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| /*
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|  * Draw line from x1,y1 to x2,y2
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|  */
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| void canvas_draw_line(Canvas* canvas, uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2);
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| 
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| /*
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|  * Draw glyph
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|  */
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| void canvas_draw_glyph(Canvas* canvas, uint8_t x, uint8_t y, uint16_t ch);
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