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feat(draw_buf): use lv_draw_buf_t as argument of API lv_draw_buf_clear/copy (#5322)

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Signed-off-by: Xu Xingliang <xuxingliang@xiaomi.com>
This commit is contained in:
Neo Xu
2024-01-15 18:37:38 +08:00
committed by GitHub
parent adfd8c2e8b
commit 57cda3b91c
8 changed files with 95 additions and 118 deletions
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28
src/widgets/canvas/lv_canvas.c
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@@ -246,36 +246,18 @@ const void * lv_canvas_get_buf(lv_obj_t * obj)
* Other functions
*====================*/
void lv_canvas_copy_buf(lv_obj_t * obj, const void * to_copy, int32_t x, int32_t y, int32_t w, int32_t h)
void lv_canvas_copy_buf(lv_obj_t * obj, const lv_area_t * canvas_area, lv_draw_buf_t * dest_buf,
const lv_area_t * dest_area)
{
LV_ASSERT_OBJ(obj, MY_CLASS);
LV_ASSERT_NULL(to_copy);
LV_ASSERT_NULL(canvas_area && dest_buf);
lv_canvas_t * canvas = (lv_canvas_t *)obj;
if(canvas->draw_buf == NULL) return;
lv_image_header_t * header = &canvas->draw_buf->header;
if(x + w - 1 >= (int32_t)header->w || y + h - 1 >= (int32_t)header->h) {
LV_LOG_WARN("x or y out of the canvas");
return;
}
LV_ASSERT_MSG(canvas->draw_buf->header.cf != dest_buf->header.cf, "Color formats must be the same");
lv_area_t src_area_to_copy;
lv_area_set(&src_area_to_copy, 0, 0, w - 1, h - 1);
lv_area_t dest_area_to_copy;
lv_area_set(&dest_area_to_copy, x, y, x + w - 1, y + h - 1);
lv_draw_buf_copy(
canvas->draw_buf->data,
header->w,
header->h,
&dest_area_to_copy,
(void *)to_copy,
w,
h,
&src_area_to_copy,
header->cf);
lv_draw_buf_copy(canvas->draw_buf, canvas_area, dest_buf, dest_area);
}
void lv_canvas_fill_bg(lv_obj_t * obj, lv_color_t color, lv_opa_t opa)