From f567ea1e2798fd3156a416e61f083ea3e6b95719 Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Wed, 12 Oct 2022 13:26:36 -0500
Subject: add pixman and libpng

---
 libs/pixman-0.40.0/test/oob-test.c | 101 +++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 libs/pixman-0.40.0/test/oob-test.c

(limited to 'libs/pixman-0.40.0/test/oob-test.c')

diff --git a/libs/pixman-0.40.0/test/oob-test.c b/libs/pixman-0.40.0/test/oob-test.c
new file mode 100644
index 0000000..0d19b50
--- /dev/null
+++ b/libs/pixman-0.40.0/test/oob-test.c
@@ -0,0 +1,101 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "utils.h"
+
+typedef struct
+{
+    int				width;
+    int				height;
+    int				stride;
+    pixman_format_code_t	format;
+    
+} image_info_t;
+
+typedef struct
+{
+    pixman_op_t		op;
+    
+    image_info_t	src;
+    image_info_t	dest;
+
+    int			src_x;
+    int			src_y;
+    int			dest_x;
+    int			dest_y;
+    int			width;
+    int			height;
+} composite_info_t;
+
+const composite_info_t info[] =
+{
+    {
+	PIXMAN_OP_SRC,
+	{  3, 6, 16, PIXMAN_a8r8g8b8 },
+	{  5, 7, 20, PIXMAN_x8r8g8b8 },
+	1, 8,
+	1, -1,
+	1, 8
+    },
+    {
+	PIXMAN_OP_SRC,
+	{ 7, 5, 36, PIXMAN_a8r8g8b8 },
+	{ 6, 5, 28, PIXMAN_x8r8g8b8 },
+	8, 5,
+	5, 3,
+	1, 2
+    },
+    {
+	PIXMAN_OP_OVER,
+	{ 10, 10, 40, PIXMAN_a2b10g10r10 },
+	{ 10, 10, 40, PIXMAN_a2b10g10r10 },
+	0, 0,
+	0, 0,
+	10, 10
+    },
+    {
+	PIXMAN_OP_OVER,
+	{ 10, 10, 40, PIXMAN_x2b10g10r10 },
+	{ 10, 10, 40, PIXMAN_x2b10g10r10 },
+	0, 0,
+	0, 0,
+	10, 10
+    },
+};
+
+static pixman_image_t *
+make_image (const image_info_t *info)
+{
+    char *data = malloc (info->stride * info->height);
+    int i;
+
+    for (i = 0; i < info->height * info->stride; ++i)
+	data[i] = (i % 255) ^ (((i % 16) << 4) | (i & 0xf0));
+
+    return pixman_image_create_bits (info->format, info->width, info->height, (uint32_t *)data, info->stride);
+}
+    
+static void
+test_composite (const composite_info_t *info)
+{
+    pixman_image_t *src = make_image (&info->src);
+    pixman_image_t *dest = make_image (&info->dest);
+
+    pixman_image_composite (PIXMAN_OP_SRC, src, NULL, dest,
+			    info->src_x, info->src_y,
+			    0, 0,
+			    info->dest_x, info->dest_y,
+			    info->width, info->height);
+}
+
+
+
+int
+main (int argc, char **argv)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_LENGTH (info); ++i)
+	test_composite (&info[i]);
+    
+    return 0;
+}
-- 
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