#pragma once #include "canvas.h" /* * Allocate memory and initialize canvas */ Canvas* canvas_init(); /* * Free canvas memory */ void canvas_free(Canvas* canvas); /* * Reset canvas drawing tools configuration */ void canvas_reset(Canvas* canvas); /* * Commit canvas. Send buffer to display */ void canvas_commit(Canvas* canvas); /* * Set drawing region relative to real screen buffer */ void canvas_frame_set( Canvas* canvas, uint8_t offset_x, uint8_t offset_y, uint8_t width, uint8_t height);