diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/a8-clear.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/a8-clear.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/a8-clear.c b/libs/cairo-1.16.0/test/a8-clear.c new file mode 100644 index 0000000..1459f83 --- /dev/null +++ b/libs/cairo-1.16.0/test/a8-clear.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2010 Intel Corporation + * + * 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: Chris Wilson <chris@chris-wilson.co.uk> + * + * Based on a bug snippet by Jeremy Moles <jeremy@emperorlinux.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *mask; + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + cairo_push_group_with_content (cr, CAIRO_CONTENT_ALPHA); + { + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, width, height); + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_set_line_width (cr, 10); + cairo_stroke (cr); + } + mask = cairo_pop_group (cr); + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_mask (cr, mask); + cairo_pattern_destroy (mask); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a8_clear, + "Test clear on an a8 surface", + "a8, clear", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) + |