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authormarha <marha@users.sourceforge.net>2011-02-20 14:23:37 +0000
committermarha <marha@users.sourceforge.net>2011-02-20 14:23:37 +0000
commit684eb992146cad24b690073f33b909f47150b841 (patch)
tree7bc62d6f06c5e8a8114b56fa78485cb7ec08f26b /pixman/demos/tri-test.c
parent53810445215dc45ae303bc89feb6e0aaf04aa6fa (diff)
parent8a191c08ddda2e66fa26f148d6c21959bb08f923 (diff)
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svn merge ^/branches/released .
Diffstat (limited to 'pixman/demos/tri-test.c')
-rw-r--r--pixman/demos/tri-test.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/pixman/demos/tri-test.c b/pixman/demos/tri-test.c
new file mode 100644
index 000000000..23ea18cb3
--- /dev/null
+++ b/pixman/demos/tri-test.c
@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "../test/utils.h"
+#include "gtk-utils.h"
+
+int
+main (int argc, char **argv)
+{
+#define WIDTH 200
+#define HEIGHT 200
+
+#define POINT(x,y) \
+ { pixman_double_to_fixed ((x)), pixman_double_to_fixed ((y)) }
+
+ pixman_image_t *src_img, *dest_img;
+ pixman_triangle_t tris[4] =
+ {
+ { POINT (100, 100), POINT (10, 50), POINT (110, 10) },
+ { POINT (100, 100), POINT (150, 10), POINT (200, 50) },
+ { POINT (100, 100), POINT (10, 170), POINT (90, 175) },
+ { POINT (100, 100), POINT (170, 150), POINT (120, 190) },
+ };
+ pixman_color_t color = { 0x4444, 0x4444, 0xffff, 0xffff };
+ uint32_t *bits = malloc (WIDTH * HEIGHT * 4);
+ int i;
+
+ for (i = 0; i < WIDTH * HEIGHT; ++i)
+ bits[i] = (i / HEIGHT) * 0x01010000;
+
+ src_img = pixman_image_create_solid_fill (&color);
+ dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, WIDTH * 4);
+
+ pixman_composite_triangles (PIXMAN_OP_ATOP_REVERSE,
+ src_img,
+ dest_img,
+ PIXMAN_a8,
+ 200, 200,
+ 35, 5,
+ ARRAY_LENGTH (tris), tris);
+ show_image (dest_img);
+
+ pixman_image_unref (src_img);
+ pixman_image_unref (dest_img);
+ free (bits);
+
+ return 0;
+}