diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/clip-unbounded.c')
-rw-r--r-- | libs/cairo-1.16.0/test/clip-unbounded.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/clip-unbounded.c b/libs/cairo-1.16.0/test/clip-unbounded.c new file mode 100644 index 0000000..cd1c602 --- /dev/null +++ b/libs/cairo-1.16.0/test/clip-unbounded.c @@ -0,0 +1,80 @@ +/* + * Copyright © 2009 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" + +#define SIZE 10 + +static cairo_surface_t * +create_source (cairo_surface_t *target) +{ + cairo_surface_t *similar; + cairo_t *cr; + + similar = cairo_surface_create_similar (target, + CAIRO_CONTENT_COLOR, SIZE/2, SIZE); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_rectangle (cr, 0, 0, SIZE/2, SIZE); + cairo_clip (cr); + + /* Draw a source rectangle outside the image, the effect should be to + * clear only within the clip region. + */ + source = create_source (cairo_get_target (cr)); + cairo_set_source_surface (cr, source, SIZE/2, 0); + cairo_surface_destroy (source); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_unbounded, + "Test handling of an unbounded fill outside the clip region", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) + |