diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/gradient-constant-alpha.c')
-rw-r--r-- | libs/cairo-1.16.0/test/gradient-constant-alpha.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/gradient-constant-alpha.c b/libs/cairo-1.16.0/test/gradient-constant-alpha.c new file mode 100644 index 0000000..7640b6e --- /dev/null +++ b/libs/cairo-1.16.0/test/gradient-constant-alpha.c @@ -0,0 +1,61 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2008 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 + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org> + * 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_pattern_t *gradient; + + gradient = cairo_pattern_create_linear (0, 0, + 0, height); + cairo_pattern_add_color_stop_rgba (gradient, 0.0, + 1.0, 0.0, 0.0, + 0.5); + cairo_pattern_add_color_stop_rgba (gradient, 0.0, + 0.0, 1.0, 0.0, + 0.5); + cairo_pattern_add_color_stop_rgba (gradient, 1.0, + 0.0, 0.0, 1.0, + 0.5); + + cairo_set_source (cr, gradient); + + cairo_paint (cr); + + cairo_pattern_destroy (gradient); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (gradient_constant_alpha, + "Tests drawing of a gradient with constant alpha values in the color stops", + "gradient, alpha", /* keywords */ + NULL, + 10, 10, + NULL, draw) |