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simplify mem_fill

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This commit is contained in:
Gabor Kiss-Vamosi
2019-06-13 19:25:23 +02:00
parent 3abcf52ad7
commit 0e41e9aacb
3 changed files with 22 additions and 13 deletions
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14
porting/lv_port_disp_template.c
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@@ -172,10 +172,20 @@ static void mem_blend(lv_disp_drv_t * disp_drv, lv_color_t * dest, const lv_colo
/* If your MCU has hardware accelerator (GPU) then you can use it to fill a memory with a color
* It can be used only in buffered mode (LV_VDB_SIZE != 0 in lv_conf.h)*/
static void mem_fill(lv_disp_drv_t * disp_drv, lv_color_t * dest_buf, const lv_area_t * dest_area,
const lv_area_t * fill_area, lv_color_t color);
static void mem_fill_cb(lv_disp_drv_t * disp_drv, lv_color_t * dest_buf, lv_coord_t dest_width,
const lv_area_t * fill_area, lv_color_t color);
{
/*It's an example code which should be done by your GPU*/
uint32_t x, y;
dest_buf += dest_widht * fill_area->y1; /*Go to the first line*/
for(y = fill_area->y1; y < fill_area->y2; y++) {
for(x = fill_area->x1; x < fill_area->x2; x++) {
dest_buf[x] = color;
}
dest_buf+=des_width; /*Go to the next line*/
}
uint32_t i;
for(i = 0; i < length; i++) {