Method BlitFast

src/bitmap.cpp:630–642

}

void Bitmap::BlitFast(int x, int y, Bitmap const & src, Rect const & src_rect, Opacity const & opacity) {
	if (opacity.IsTransparent()) {
		return;
	}

	pixman_image_composite32(PIXMAN_OP_SRC,
		src.bitmap.get(),
		nullptr, bitmap.get(),
		src_rect.x, src_rect.y,
		0, 0,
		x, y,
		src_rect.width, src_rect.height);
}

PixmanImagePtr Bitmap::GetSubimage(Bitmap const& src, const Rect& src_rect) {
	uint8_t* pixels = (uint8_t*) src.pixels() + src_rect.x * src.bpp() + src_rect.y * src.pitch();