#pragma once #include #include typedef enum { ColorWhite = 0x00, ColorBlack = 0x01, } Color; typedef enum { FontPrimary = 0x00, FontSecondary = 0x01, } 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); };