From ebc1cd91f80ee154c02651b2db034a4335ca021c Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Sat, 20 Jan 2007 00:50:38 -0800
Subject: [PATCH] Add rotate-image-surface-paint test case

This test exercises a clone_similar extents bug noticed by
Benjamin Otte. As expected, the xlib backend fails due to
that bug, (and interestingly, the ps backend is showing a
failure as well).
---
 test/.gitignore                               |   1 +
 test/Makefile.am                              |   1 +
 ...ate-image-surface-paint-pdf-argb32-ref.png | Bin 0 -> 209 bytes
 test/rotate-image-surface-paint-ref.png       | Bin 0 -> 232 bytes
 test/rotate-image-surface-paint-svg-ref.png   | Bin 0 -> 248 bytes
 test/rotate-image-surface-paint.c             |  97 ++++++++++++++++++
 6 files changed, 99 insertions(+)
 create mode 100644 test/rotate-image-surface-paint-pdf-argb32-ref.png
 create mode 100644 test/rotate-image-surface-paint-ref.png
 create mode 100644 test/rotate-image-surface-paint-svg-ref.png
 create mode 100644 test/rotate-image-surface-paint.c

diff --git a/test/.gitignore b/test/.gitignore
index 36ea1d0a8..3bac97378 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -107,6 +107,7 @@ pthread-show-text
 rectangle-rounding-error
 rectilinear-stroke
 rel-path
+rotate-image-surface-paint
 scale-down-source-surface-paint
 scale-source-surface-paint
 select-font-face
diff --git a/test/Makefile.am b/test/Makefile.am
index 4f432ada8..8d31419e5 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -72,6 +72,7 @@ pixman-rotate			\
 random-intersections		\
 rectangle-rounding-error	\
 rectilinear-stroke		\
+rotate-image-surface-paint	\
 scale-down-source-surface-paint	\
 scale-source-surface-paint	\
 select-font-face		\
diff --git a/test/rotate-image-surface-paint-pdf-argb32-ref.png b/test/rotate-image-surface-paint-pdf-argb32-ref.png
new file mode 100644
index 0000000000000000000000000000000000000000..c12ae8fd5fe1f2b6194e6df829cb7bf5998cb9bb
GIT binary patch
literal 209
zcmeAS@N?(olHy`uVBq!ia0vp^A|TAc1SFYWcSQjy=3*z$5DpHG+YkL80J)u>E{-7<
zy?4(W@*P$XU^x(Kmt3!un(^IzXYu*@=B>g91Xv41D_tA?cvds(iBD4T_wt;ytaj4n
zx~HquVx~<Dawz!OIE(YeR^bc3Q}Vyf{QIHx%)SY0_dk8T_utvr+sm?U?D6V!ZM|7n
zY;#$s>{=gt<ga;mgq`-<ihPjRbe8Gx+WUXD`21V)=lLE6-HWYO8+Nt71Uibr)78&q
Iol`;+0FsMW9RL6T

literal 0
HcmV?d00001

diff --git a/test/rotate-image-surface-paint-ref.png b/test/rotate-image-surface-paint-ref.png
new file mode 100644
index 0000000000000000000000000000000000000000..7ccc9acfe1dff9acb12a7fce360a8075495bfad1
GIT binary patch
literal 232
zcmeAS@N?(olHy`uVBq!ia0vp^A|TAc1|)ksWqE-VTavfC3&Vd9T(EcfWS|IpiKnkC
z`*lVsVPVeW6@QX}LS3FNjv*GkXRieEH5hO(2fX_GKBm5B=9(#~hJpXiJg{u+=t$Tj
zaeVfTa)px$*R3u$DQ{_t3Sg9tYFc+;qEreC(=MhBFL?N73Uh_5WYsXr6Zv&)XG&%+
zm-jK@kk$vKOLkB5ekR=~nP7G5{4ds{2kzXOV*Q{h!u;IUEs|be18*m={VJR-_wMNb
b`VHza%Bu3g$IdkaUB%$(>gTe~DWM4f>VsIF

literal 0
HcmV?d00001

diff --git a/test/rotate-image-surface-paint-svg-ref.png b/test/rotate-image-surface-paint-svg-ref.png
new file mode 100644
index 0000000000000000000000000000000000000000..5a75aef2feced7f0fb65c4c76cc298abb85af581
GIT binary patch
literal 248
zcmeAS@N?(olHy`uVBq!ia0vp^A|TAc1|)ksWqE-VOR<w@2nP_<aHMnq`RhGh978O6
z&t5smbyz`w<$~wS^+)wz?VR=b$N9_MZL3ya70NKz;qa7mj@is8ptt7s)En;|CMj6<
zW?fO4+Wq9i%`3$>n6mB{l<<}<`n``ssA<813t9KP8!UL$bmCcOZMY-5rC&6o_3MSA
z9J6X3CxO1hb^+J4Q=ddU{rrzd<b%$oqc43sb;B0R<`}e}i=6M%@MMFPS-LxO&;9vR
u#Qt`?%zOX3+SV$2_coc&tA72Lf5Yu6mXW+qn`0T!=?tE(elF{r5}E*DnPlkz

literal 0
HcmV?d00001

diff --git a/test/rotate-image-surface-paint.c b/test/rotate-image-surface-paint.c
new file mode 100644
index 000000000..d28354d42
--- /dev/null
+++ b/test/rotate-image-surface-paint.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright © 2005, 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Carl D. Worth <cworth@cworth.org>
+ */
+
+#include "cairo-test.h"
+
+static cairo_test_draw_function_t draw;
+
+#define SIZE 20
+#define PAD 2
+
+cairo_test_t test = {
+    "rotate-image-surface-paint",
+    "Test call sequence: image_surface_create; rotate; set_source_surface; paint",
+    SIZE, SIZE,
+    draw
+};
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_surface_t *surface;
+    int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2);
+    cairo_t *cr_surface;
+
+    /* Create an image surface with my favorite four colors in each
+     * quadrant. */
+    surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
+					  surface_size, surface_size);
+    cr_surface = cairo_create (surface);
+    cairo_set_source_rgb (cr_surface, 1, 1, 1);
+    cairo_rectangle (cr_surface,
+		     0, 0,
+		     surface_size / 2, surface_size / 2);
+    cairo_fill (cr_surface);
+    cairo_set_source_rgb (cr_surface, 1, 0, 0);
+    cairo_rectangle (cr_surface,
+		     surface_size / 2, 0,
+		     surface_size / 2, surface_size / 2);
+    cairo_fill (cr_surface);
+    cairo_set_source_rgb (cr_surface, 0, 1, 0);
+    cairo_rectangle (cr_surface,
+		     0, surface_size / 2,
+		     surface_size / 2, surface_size / 2);
+    cairo_fill (cr_surface);
+    cairo_set_source_rgb (cr_surface, 0, 0, 1);
+    cairo_rectangle (cr_surface,
+		     surface_size / 2, surface_size / 2,
+		     surface_size / 2, surface_size / 2);
+    cairo_fill (cr_surface);
+    cairo_destroy (cr_surface);
+
+    /* First paint opaque background (black) so we don't need separate
+     * ARGB32 and RGB24 reference images. */
+    cairo_set_source_rgb (cr, 0, 0, 0); /* black */
+    cairo_paint (cr);
+
+    cairo_translate(cr, SIZE/2, SIZE/2);
+    cairo_rotate (cr, M_PI / 4.0);
+    cairo_translate (cr, -surface_size/2, -surface_size/2);
+
+    cairo_set_source_surface (cr, surface, 0, 0);
+    cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
+    cairo_paint (cr);
+
+    cairo_surface_destroy (surface);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+int
+main (void)
+{
+    return cairo_test (&test);
+}