From dde22e946ccfb0bd937224daf42403b80528c2a6 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Mon, 25 Mar 2013 10:20:34 +0100
Subject: fontconfig mesa pixman xserver git update 25 Mar 2013

xserver          commit 2967391c6d35f03121afa8003e0fb94b62495129
pixman           commit d8ac35af1208a4fa4d67f03fee10b5449fb8495a
fontconfig       commit b561ff2016ce84eef3c81f16dfb0481be6a13f9b
mesa             commit 92b8a37fdfff9e83f39b8885f51ed2f60326ab6a
---
 pixman/demos/Makefile.am       |  2 ++
 pixman/demos/linear-gradient.c | 50 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 pixman/demos/linear-gradient.c

(limited to 'pixman/demos')

diff --git a/pixman/demos/Makefile.am b/pixman/demos/Makefile.am
index 5f53407b0..9be9ab670 100644
--- a/pixman/demos/Makefile.am
+++ b/pixman/demos/Makefile.am
@@ -15,6 +15,7 @@ DEMOS =				\
 	composite-test		\
 	gradient-test		\
 	radial-test		\
+	linear-gradient		\
 	conical-test		\
 	alpha-test		\
 	screen-test		\
@@ -38,6 +39,7 @@ trap_test_SOURCES = trap-test.c $(GTK_UTILS)
 screen_test_SOURCES = screen-test.c $(GTK_UTILS)
 convolution_test_SOURCES = convolution-test.c $(GTK_UTILS)
 radial_test_SOURCES = radial-test.c $(GTK_UTILS)
+linear_gradient_SOURCES = linear-gradient.c $(GTK_UTILS)
 conical_test_SOURCES = conical-test.c $(GTK_UTILS)
 tri_test_SOURCES = tri-test.c $(GTK_UTILS)
 checkerboard_SOURCES = checkerboard.c $(GTK_UTILS)
diff --git a/pixman/demos/linear-gradient.c b/pixman/demos/linear-gradient.c
new file mode 100644
index 000000000..46433a6e5
--- /dev/null
+++ b/pixman/demos/linear-gradient.c
@@ -0,0 +1,50 @@
+#include "../test/utils.h"
+#include "gtk-utils.h"
+
+#define WIDTH 1024
+#define HEIGHT 640
+
+int
+main (int argc, char **argv)
+{
+    pixman_image_t *src_img, *dest_img;
+    pixman_gradient_stop_t stops[] = {
+        { 0x00000, { 0x0000, 0x0000, 0x4444, 0xdddd } },
+        { 0x10000, { 0xeeee, 0xeeee, 0x8888, 0xdddd } },
+#if 0
+        /* These colors make it very obvious that dithering
+         * is useful even for 8-bit gradients
+         */
+	{ 0x00000, { 0x6666, 0x3333, 0x3333, 0xffff } },
+	{ 0x10000, { 0x3333, 0x6666, 0x6666, 0xffff } },
+#endif
+    };
+    pixman_point_fixed_t p1, p2;
+
+    enable_divbyzero_exceptions ();
+
+    dest_img = pixman_image_create_bits (PIXMAN_x8r8g8b8,
+					 WIDTH, HEIGHT,
+					 NULL, 0);
+
+    p1.x = p1.y = 0x0000;
+    p2.x = WIDTH << 16;
+    p2.y = HEIGHT << 16;
+    
+    src_img = pixman_image_create_linear_gradient (&p1, &p2, stops, ARRAY_LENGTH (stops));
+
+    pixman_image_composite32 (PIXMAN_OP_OVER,
+			      src_img,
+			      NULL,
+			      dest_img,
+			      0, 0,
+			      0, 0,
+			      0, 0,
+			      WIDTH, HEIGHT);
+
+    show_image (dest_img);
+
+    pixman_image_unref (dest_img);
+
+    return 0;
+}
-- 
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