Method EdgeMirrorBlit

src/bitmap.cpp:1273–1307

}

void Bitmap::EdgeMirrorBlit(int x, int y, Bitmap const& src, Rect const& src_rect, bool mirror_x, bool mirror_y, Opacity const& opacity) {
	if (opacity.IsTransparent())
		return;

	auto mask = CreateMask(opacity, src_rect);

	const auto dst_rect = GetRect();

	auto draw = [&](int x, int y) {
		pixman_image_composite32(src.GetOperator(mask.get()),
				src.bitmap.get(),
				mask.get(), bitmap.get(),
				src_rect.x, src_rect.y,
				0, 0,
				x, y,
				src_rect.width, src_rect.height);
	};

	draw(x, y);

	const bool clone_x = (mirror_x && x + src_rect.width > dst_rect.width);
	const bool clone_y = (mirror_y && y + src_rect.height > dst_rect.height);

	if (clone_x) {
		draw(x - dst_rect.width, y);
	}

	if (clone_y) {
		draw(x, y - dst_rect.height);
	}

	if (clone_x && clone_y) {
		draw(x - dst_rect.width, y - dst_rect.height);
	}
}