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perf(canvas): speed up lv_canvas_fill_bg

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fixes #4396
This commit is contained in:
Gabor Kiss-Vamosi
2023-07-24 16:46:55 +02:00
parent c1fab9271a
commit e50e978cc6
1 changed files with 38 additions and 3 deletions
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35
src/widgets/canvas/lv_canvas.c
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@@ -237,11 +237,46 @@ void lv_canvas_fill_bg(lv_obj_t * obj, lv_color_t color, lv_opa_t opa)
uint32_t x;
uint32_t y;
if(dsc->header.cf == LV_COLOR_FORMAT_RGB565) {
uint16_t c16 = lv_color_to_u16(color);
for(y = 0; y < dsc->header.h; y++) {
uint16_t * buf16 = (uint16_t *)(dsc->data + y * dsc->header.w * 2);
for(x = 0; x < dsc->header.w; x++) {
buf16[x] = c16;
}
}
}
else if(dsc->header.cf == LV_COLOR_FORMAT_XRGB8888 || dsc->header.cf == LV_COLOR_FORMAT_ARGB8888) {
uint32_t c32 = lv_color_to_u32(color);
if(dsc->header.cf == LV_COLOR_FORMAT_ARGB8888) {
c32 &= 0x00ffffff;
c32 |= opa << 24;
}
for(y = 0; y < dsc->header.h; y++) {
uint32_t * buf32 = (uint32_t *)(dsc->data + y * dsc->header.w * 4);
for(x = 0; x < dsc->header.w; x++) {
buf32[x] = c32;
}
}
}
else if(dsc->header.cf == LV_COLOR_FORMAT_RGB888) {
for(y = 0; y < dsc->header.h; y++) {
uint8_t * buf8 = (uint8_t *)(dsc->data + y * dsc->header.w * 3);
for(x = 0; x < dsc->header.w * 3; x += 3) {
buf8[x + 0] = color.blue;
buf8[x + 1] = color.green;
buf8[x + 2] = color.red;
}
}
}
else {
for(y = 0; y < dsc->header.h; y++) {
for(x = 0; x < dsc->header.w; x++) {
lv_canvas_set_px(obj, x, y, color, opa);
}
}
}
lv_obj_invalidate(obj);
}