X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fdraw%2Fao_rect.c;fp=src%2Fdraw%2Fao_rect.c;h=71fa4aea4bc37637c8a27b974bfb2a3a0fc777d6;hb=1301d576d9bface4cc625e4a4187401f93f54444;hp=0000000000000000000000000000000000000000;hpb=a487d2fcba57141f6b083d5612c76bac5ad1ac7c;p=fw%2Faltos

diff --git a/src/draw/ao_rect.c b/src/draw/ao_rect.c
new file mode 100644
index 00000000..71fa4aea
--- /dev/null
+++ b/src/draw/ao_rect.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2016 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include "ao.h"
+#include "ao_draw.h"
+#include "ao_draw_int.h"
+
+void
+ao_rect(const struct ao_bitmap	*dst,
+	int16_t			x,
+	int16_t			y,
+	int16_t			width,
+	int16_t			height,
+	uint32_t		fill,
+	uint8_t			rop)
+{
+	int16_t	x2 = x + width;
+	int16_t y2 = y + height;
+
+	ao_clip(x, 0, dst->width);
+	ao_clip(x2, 0, dst->width);
+	ao_clip(y, 0, dst->height);
+	ao_clip(y2, 0, dst->height);
+
+	if (x < x2 && y < y2) {
+		ao_solid(ao_and(rop, fill),
+			 ao_xor(rop, fill),
+			 dst->base + y * dst->stride,
+			 dst->stride,
+			 x,
+			 x2 - x,
+			 y2 - y);
+	}
+}
+