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Update lv_canvas.c

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Gabor Kiss-Vamosi 2019-04-24 06:26:42 +02:00 committed by GitHub
parent ef0f8b29cf
commit 8745d16ba9
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1 changed files with 5 additions and 3 deletions
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lv_objx/lv_canvas.c
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@ -351,9 +351,11 @@ void lv_canvas_mult_buf(lv_obj_t * canvas, void * to_copy, lv_coord_t w, lv_coor
# if LV_COLOR_16_SWAP == 0
canvas_buf_color[j].green = (uint16_t) ((uint16_t) canvas_buf_color[j].green * copy_buf_color[j].green) >> 6;
# else
canvas_buf_color[j].red = (uint16_t) ((uint16_t) canvas_buf_color[j].red * copy_buf_color[j].red) >> 6;
canvas_buf_color[j].blue = (uint16_t) ((uint16_t) canvas_buf_color[j].blue * copy_buf_color[j].blue) >> 6;
canvas_buf_color[j].red = (uint16_t) ((uint16_t) canvas_buf_color[j].red * copy_buf_color[j].red) >> 6;
uint8_t green_canvas = (canvas_buf_color[j].ch.green_h << 3) + (canvas_buf_color[j].ch.green_l);
uint8_t green_buf = (copy_buf_color[j].ch.green_h << 3) + (copy_buf_color[j].ch.green_l);
uint8_t green_res = (uint16_t)((uint16_t)green_canvas * green_buf) >> 6;
canvas_buf_color[j].ch.green_h = (green_res >> 3) & 0x07;
canvas_buf_color[j].ch.green_l = green_res & 0x07;
# endif /*LV_COLOR_16_SWAP*/
#elif LV_COLOR_DEPTH == 8