From 4dd92ef2bc877eb197f096c3eb8fe74cb2e7b099 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sun, 2 May 2010 14:35:59 +0100
Subject: [PATCH] test: Add subsurface-pad

Round out the subsurface tests with PAD.
---
 test/Makefile.am            |   1 +
 test/Makefile.sources       |   1 +
 test/subsurface-pad.c       |  76 ++++++++++++++++++++++++++++++++++++
 test/subsurface-pad.ref.png | Bin 0 -> 181 bytes
 4 files changed, 78 insertions(+)
 create mode 100644 test/subsurface-pad.c
 create mode 100644 test/subsurface-pad.ref.png

diff --git a/test/Makefile.am b/test/Makefile.am
index 622df8def..5950c37de 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -1075,6 +1075,7 @@ REFERENCE_IMAGES = \
 	subsurface.image16.ref.png \
 	subsurface-reflect.ref.png \
 	subsurface-repeat.ref.png \
+	subsurface-pad.ref.png \
 	subsurface-modify-child.ref.png \
 	subsurface-modify-parent.ref.png \
 	subsurface-similar-repeat.ref.png \
diff --git a/test/Makefile.sources b/test/Makefile.sources
index 5817097c7..2770fd419 100644
--- a/test/Makefile.sources
+++ b/test/Makefile.sources
@@ -228,6 +228,7 @@ test_sources = \
 	subsurface.c                                    \
 	subsurface-repeat.c                             \
 	subsurface-reflect.c                            \
+	subsurface-pad.c                                \
 	subsurface-modify-child.c                       \
 	subsurface-modify-parent.c                      \
 	subsurface-similar-repeat.c                     \
diff --git a/test/subsurface-pad.c b/test/subsurface-pad.c
new file mode 100644
index 000000000..05e6d722b
--- /dev/null
+++ b/test/subsurface-pad.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2009 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Intel not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Intel makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairo-test.h"
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_surface_t *region;
+    cairo_t *cr_region;
+
+    cairo_set_source_rgb (cr, .5, .5, .5);
+    cairo_paint (cr);
+
+    /* fill the centre */
+    region = cairo_surface_create_for_rectangle (cairo_get_target (cr),
+						 20, 20, 20, 20);
+    cr_region = cairo_create (region);
+    cairo_surface_destroy (region);
+
+    cairo_set_source_rgb (cr_region, 1, 1, 1);
+    cairo_rectangle (cr_region, 0, 0, 10, 10);
+    cairo_fill (cr_region);
+
+    cairo_set_source_rgb (cr_region, 1, 0, 0);
+    cairo_rectangle (cr_region, 10, 0, 10, 10);
+    cairo_fill (cr_region);
+
+    cairo_set_source_rgb (cr_region, 0, 1, 0);
+    cairo_rectangle (cr_region, 0, 10, 10, 10);
+    cairo_fill (cr_region);
+
+    cairo_set_source_rgb (cr_region, 0, 0, 1);
+    cairo_rectangle (cr_region, 10, 10, 10, 10);
+    cairo_fill (cr_region);
+
+    cairo_set_source_surface (cr, cairo_get_target (cr_region), 20, 20);
+    cairo_destroy (cr_region);
+
+    /* reflect the pattern around the outside, but do not overwrite...*/
+    cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
+    cairo_rectangle (cr, 0, 0, width, height);
+    cairo_rectangle (cr, 20, 40, 20, -20);
+    cairo_fill (cr);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (subsurface_pad,
+	    "Tests source clipping with pad",
+	    "subsurface, pad", /* keywords */
+	    NULL, /* requirements */
+	    60, 60,
+	    NULL, draw)
diff --git a/test/subsurface-pad.ref.png b/test/subsurface-pad.ref.png
new file mode 100644
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