| /* |
| * Copyright © 2005 Red Hat, Inc. |
| * |
| * 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> |
| */ |
| |
| #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, -height, |
| 0, height); |
| cairo_pattern_add_color_stop_rgba (gradient, 0.0, |
| 1.0, 0.0, 0.0, |
| 1.0); |
| 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_alpha, |
| "Tests drawing of a gradient with various alpha values in the color stops", |
| "gradient, alpha", /* keywords */ |
| NULL, /* requirements */ |
| 10, 10, |
| NULL, draw) |