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add lv_canvas_mult_buf

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This commit is contained in:
Gabor Kiss-Vamosi
2019-01-17 16:23:50 +01:00
parent 87e262f27a
commit 7b193a40ef
2 changed files with 75 additions and 24 deletions
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13
lv_objx/lv_canvas.h
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@@ -80,7 +80,18 @@ void lv_canvas_set_px(lv_obj_t * canvas, lv_coord_t x, lv_coord_t y, lv_color_t
* @param x left side of the destination position
* @param y top side of the destination position
*/
void lv_canvas_copy_to_buf(lv_obj_t * canvas, void * to_copy, lv_coord_t w, lv_coord_t h, lv_coord_t x, lv_coord_t y);
void lv_canvas_copy_buf(lv_obj_t * canvas, void * to_copy, lv_coord_t w, lv_coord_t h, lv_coord_t x, lv_coord_t y);
/**
* Multiply a buffer with the canvas
* @param canvas pointer to a canvas object
* @param to_copy buffer to copy (multiply). LV_IMG_CF_TRUE_COLOR_ALPHA is not supported
* @param w width of the buffer to copy
* @param h height of the buffer to copy
* @param x left side of the destination position
* @param y top side of the destination position
*/
void lv_canvas_mult_buf(lv_obj_t * canvas, void * to_copy, lv_coord_t w, lv_coord_t h, lv_coord_t x, lv_coord_t y);
/*=====================
* Setter functions