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author | Andrea Canciani <ranma42@gmail.com> | 2010-03-31 12:14:25 +0200 |
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committer | Andrea Canciani <ranma42@gmail.com> | 2010-03-31 12:14:25 +0200 |
commit | 01e182194224e0eb7493b2ae3c8367ed455cfd54 (patch) | |
tree | 616a67cc600c7c1c60ae412b91023972abd18434 /test/gradient-zero-stops-mask.c | |
parent | ce3ad6f41edf86ed6914f4d7f364111eba42ca65 (diff) | |
download | cairo-01e182194224e0eb7493b2ae3c8367ed455cfd54.tar.gz |
test: Add gradient-zero-stops-mask
Add a test to check that gradient with no stops are not considered
opaque by gstate (and thus masking with them is not optimized to
paint).
Diffstat (limited to 'test/gradient-zero-stops-mask.c')
-rw-r--r-- | test/gradient-zero-stops-mask.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/gradient-zero-stops-mask.c b/test/gradient-zero-stops-mask.c new file mode 100644 index 000000000..b2a10ec34 --- /dev/null +++ b/test/gradient-zero-stops-mask.c @@ -0,0 +1,59 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright © 2007 Brian Ewins + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Brian Ewins <Brian.Ewins@gmail.com> + * Contributor(s): + * Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +/* This test case is designed to exercise the opaque test for + * gradients with no stop. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pat; + + cairo_set_source_rgb (cr, 1., 0., 0.); + + pat = cairo_pattern_create_linear (0., 0., 1., 1.); + cairo_mask (cr, pat); + cairo_pattern_destroy (pat); + + pat = cairo_pattern_create_radial (0., 0., 0., 1., 1., 1.); + cairo_mask (cr, pat); + cairo_pattern_destroy (pat); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (gradient_zero_stops_mask, + "Verifies that gradients with no stops are considered clear.", + "gradient", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) |