Add a test case for CAIRO_FORMAT_A8 masks that fails with libpixman.

ChangeLog

@@ -1,3 +1,11 @@
+2005-08-05  Jeff Muizelaar  <jeff@infidigm.net>
+
+	* test/Makefile.am:
+	* test/a8-mask-ref.png:
+	* test/a8-mask.c: (draw), (main):
+	Add a test case for CAIRO_FORMAT_A8 masks that fails with
+	libpixman.
+
 2005-08-05  Carl Worth  <cworth@cworth.org>
 
 	* autogen.sh (automake_min_vers): Bump automake_min_vers up to 1.7

test/Makefile.am

@@ -1,5 +1,6 @@
 # All test cases go here
 TESTS = 			\
+a8-mask				\
 clip-nesting			\
 clip-twice			\
 composite-integer-translate-source \
@@ -59,6 +60,7 @@ endif
 # I really don't like having to repeat this list. Anyone know a good
 # way to avoid it? Can I use a wildcard here?
 EXTRA_DIST =				\
+a8-mask.png				\
 clip-nesting-ref.png			\
 clip-twice-ref.png			\
 composite-integer-translate-source-ref.png		\
@@ -110,6 +112,7 @@ rel-path-ref.png
 # Also, any test listed here should call cairo_test_expect_failure and
 # provide an explanation for the expected failure.
 XFAIL_TESTS =			\
+a8-mask				\
 filter-nearest-offset		\
 pixman-rotate			\
 self-intersecting		\
@@ -148,6 +151,7 @@ LDADDS = libcairotest.la $(top_builddir)/src/libcairo.la
 # ARGH! I have to repeat the list of tests a third time. Maybe it's
 # time to break down and auto-generate the Makefile.am or something
 # from autogen.sh. My, but this is painful...
+a8_mask_LDADD = $(LDADDS)
 clip_nesting_LDADD = $(LDADDS)
 clip_twice_LDADD = $(LDADDS)
 composite_integer_translate_source_LDADD = $(LDADDS)

test/a8-mask.c

@@ -0,0 +1,71 @@
+/*
+ * Copyright © Jeff Muizelaar
+ *
+ * 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
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * JEFF MUIZELAAR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Jeff Muizelaar <jeff@infidigm.net>
+ */
+
+#include "cairo-test.h"
+
+cairo_test_t test = {
+    "a8-mask",
+    "test masks of CAIRO_FORMAT_A8",
+    8, 8
+};
+
+static unsigned char mask[] = {
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0
+};
+
+
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_surface_t *image;
+    cairo_pattern_t *pattern;
+
+    cairo_set_source_rgb (cr, 0, 0, 1);
+    cairo_paint (cr);
+
+    image = cairo_image_surface_create_for_data (mask, CAIRO_FORMAT_A8,
+						 7, 8, 7);
+    pattern = cairo_pattern_create_for_surface (image);
+
+    cairo_set_source_rgb (cr, 1, 0, 0);
+    cairo_mask (cr, pattern);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+int
+main (void)
+{
+    return cairo_test_expect_failure (&test, draw,
+	    "only image fails");
+}