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Diffstat (limited to 'libs/cairo-1.16.0/test/clip-intersect.c')
-rw-r--r-- | libs/cairo-1.16.0/test/clip-intersect.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/clip-intersect.c b/libs/cairo-1.16.0/test/clip-intersect.c new file mode 100644 index 0000000..295fbc9 --- /dev/null +++ b/libs/cairo-1.16.0/test/clip-intersect.c @@ -0,0 +1,94 @@ +/* + * Copyright 2009 Chris Wilson + * Copyright 2011 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 + * 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 WIDTH 20 +#define HEIGHT 20 + +static void clip_mask (cairo_t *cr) +{ + cairo_move_to (cr, 10, 0); + cairo_line_to (cr, 0, 10); + cairo_line_to (cr, 10, 20); + cairo_line_to (cr, 20, 10); + cairo_clip (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + clip_mask (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_rectangle (cr, 0, 0, 4, 4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_rectangle (cr, 20, 0, -4, 4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_rectangle (cr, 20, 20, -4, -4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_rectangle (cr, 0, 20, 4, -4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + + cairo_rectangle (cr, 8, 8, 4, 4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_intersect, + "Tests intersection of a simple clip with a clip-mask", + "clip, paint", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) |