[test] Add bilevel image test case.

Add a simple test to exercise the embedding of an image with a bilevel
alpha channel into a postscript level 3 document.

1 files changed, 68 insertions, 0 deletions

diff --git a/test/bilevel-image.c b/test/bilevel-image.c
new file mode 100644
index 000000000..7898a5f2b
--- /dev/null
+++ b/test/bilevel-image.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright © 2008 Chris Wilson
+ *
+ * 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
+ * Chris Wilson not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Chris Wilson makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL CHRIS WILSON 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_draw_function_t draw;
+
+cairo_test_t test = {
+    "bilevel-image",
+    "Test that PS can embed an RGB image with a bilevel alpha channel.",
+    12, 4,
+    draw
+};
+
+#define RGBx 0xffff0000, 0xff00ff00, 0xff0000ff, 0x00000000
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    static uint32_t data[] = {
+	RGBx, RGBx, RGBx,
+	RGBx, RGBx, RGBx,
+	RGBx, RGBx, RGBx,
+	RGBx, RGBx, RGBx,
+    };
+    cairo_surface_t *mask;
+
+    cairo_set_source_rgb (cr, 1, 1, 1);
+    cairo_paint (cr);
+
+    mask = cairo_image_surface_create_for_data ((unsigned char *) data,
+						CAIRO_FORMAT_ARGB32, 12, 4, 48);
+
+    cairo_set_source_surface (cr, mask, 0, 0);
+    cairo_surface_destroy (mask);
+
+    cairo_paint (cr);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+int
+main (void)
+{
+    return cairo_test (&test);
+}