1 files changed, 74 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/clip-twice.c b/libs/cairo-1.16.0/test/clip-twice.c
new file mode 100644
index 0000000..641b551
--- /dev/null
+++ b/libs/cairo-1.16.0/test/clip-twice.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright © 2005 Red Hat, Inc.
+ *
+ * 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.
+ *
+ * RED HAT, INC. 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: Kristian Høgsberg <krh@redhat.com>
+ */
+
+#include "cairo-test.h"
+
+#define WIDTH 64
+#define HEIGHT 64
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_new_path (cr);
+    cairo_arc (cr, WIDTH / 2, HEIGHT / 2, WIDTH / 3, 0, 2 * M_PI);
+    cairo_clip (cr);
+
+    cairo_new_path (cr);
+    cairo_move_to (cr, 0, 0);
+    cairo_line_to (cr, WIDTH / 4, HEIGHT / 2);
+    cairo_line_to (cr, 0, HEIGHT);
+    cairo_line_to (cr, WIDTH, HEIGHT);
+    cairo_line_to (cr, 3 * WIDTH / 4, HEIGHT / 2);
+    cairo_line_to (cr, WIDTH, 0);
+    cairo_close_path (cr);
+    cairo_clip (cr);
+
+    cairo_set_source_rgb (cr, 0, 0, 0.6);
+
+    cairo_new_path (cr);
+    cairo_move_to (cr, 0, 0);
+    cairo_line_to (cr, 0, HEIGHT);
+    cairo_line_to (cr, WIDTH / 2, 3 * HEIGHT / 4);
+    cairo_line_to (cr, WIDTH, HEIGHT);
+    cairo_line_to (cr, WIDTH, 0);
+    cairo_line_to (cr, WIDTH / 2, HEIGHT / 4);
+    cairo_close_path (cr);
+    cairo_fill (cr);
+
+    cairo_new_path (cr);
+    cairo_arc (cr, WIDTH / 2, HEIGHT / 2, WIDTH / 5, 0, 2 * M_PI);
+    cairo_clip (cr);
+    cairo_set_source_rgb (cr, 1, 1, 0);
+    cairo_paint (cr);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (clip_twice,
+	    "Verifies that the clip mask is updated correctly when it constructed by setting the clip path twice.",
+	    "clip", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, draw)