summaryrefslogtreecommitdiff
path: root/libs/cairo-1.16.0/test/subsurface-modify-child.c
diff options
context:
space:
mode:
authorsanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
committersanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
commit530ffd0b7d3c39757b20f00716e486b5caf89aff (patch)
tree76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/subsurface-modify-child.c
parent3dbe9332e47c143a237db12440f134caebd1cfbe (diff)
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/test/subsurface-modify-child.c')
-rw-r--r--libs/cairo-1.16.0/test/subsurface-modify-child.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/subsurface-modify-child.c b/libs/cairo-1.16.0/test/subsurface-modify-child.c
new file mode 100644
index 0000000..ed94356
--- /dev/null
+++ b/libs/cairo-1.16.0/test/subsurface-modify-child.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2010 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, *similar;
+ cairo_t *cr_region, *cr_similar;
+
+ cairo_set_source_rgb (cr, .5, .5, .5);
+ cairo_paint (cr);
+
+ similar = cairo_surface_create_similar (cairo_get_target (cr),
+ CAIRO_CONTENT_COLOR_ALPHA,
+ 20, 20);
+
+ /* copy the centre */
+ cr_similar = cairo_create (similar);
+ cairo_surface_destroy (similar);
+ cairo_set_source_surface (cr_similar, cairo_get_target (cr), -20, -20);
+ cairo_paint (cr_similar);
+ similar = cairo_surface_reference (cairo_get_target (cr_similar));
+ cairo_destroy (cr_similar);
+
+ /* 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_destroy (cr_region);
+
+ /* copy the centre, again */
+ cr_similar = cairo_create (similar);
+ cairo_surface_destroy (similar);
+ cairo_set_source_surface (cr_similar, cairo_get_target (cr), -20, -20);
+ cairo_paint (cr_similar);
+ similar = cairo_surface_reference (cairo_get_target (cr_similar));
+ cairo_destroy (cr_similar);
+
+ /* repeat the pattern around the outside, but do not overwrite...*/
+ cairo_set_source_surface (cr, similar, 20, 20);
+ cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT);
+ cairo_rectangle (cr, 0, 0, width, height);
+ cairo_rectangle (cr, 20, 40, 20, -20);
+ cairo_fill (cr);
+
+ cairo_surface_destroy (similar);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (subsurface_modify_child,
+ "Tests source clipping with later modifications",
+ "subsurface", /* keywords */
+ "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */
+ 60, 60,
+ NULL, draw)