/* * 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: Krzysztof Kosi\u0144ski */ /* Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=40918 */ #include "cairo-test.h" static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_pattern_t *radial; double angle; int i, j; cairo_set_source_rgb (cr, 0, 0, 1); cairo_paint (cr); angle = 0.0; for (i = 0; i < 4; i++) { for (j = 0; j < 4; j++) { cairo_save (cr); cairo_rectangle (cr, 100*i, 100*j, 100, 100); cairo_clip (cr); radial = cairo_pattern_create_radial (cos (angle), sin (angle), 0, 0, 0, 1); cairo_pattern_add_color_stop_rgb (radial, 0.0, 1, 0, 0); cairo_pattern_add_color_stop_rgb (radial, 1.0, 0, 1, 0); cairo_translate (cr, 100*i+50, 100*j+50); cairo_scale (cr, 50, -50); cairo_set_source (cr, radial); cairo_pattern_destroy (radial); cairo_paint(cr); cairo_restore (cr); angle += M_PI/17; } } return CAIRO_TEST_SUCCESS; } CAIRO_TEST (radial_outer_focus, "Exercises the condition of rendering a radial gradial on its outer focus", "radial", /* keywords */ NULL, /* requirements */ 400, 400, NULL, draw)