| /* |
| * Copyright © 2005 Mozilla Corporation |
| * |
| * 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 |
| * Mozilla Corporation not be used in advertising or publicity pertaining to |
| * distribution of the software without specific, written prior |
| * permission. Mozilla Corporation makes no representations about the |
| * suitability of this software for any purpose. It is provided "as |
| * is" without express or implied warranty. |
| * |
| * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS |
| * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION 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: Vladimir Vukicevic <vladimir@pobox.com> |
| */ |
| |
| #include "cairo-test.h" |
| |
| #define UNIT_SIZE 100 |
| #define PAD 5 |
| #define INNER_PAD 10 |
| |
| #define WIDTH (UNIT_SIZE + PAD) + PAD |
| #define HEIGHT (UNIT_SIZE + PAD) + PAD |
| |
| static cairo_test_status_t |
| draw (cairo_t *cr, int width, int height) |
| { |
| cairo_pattern_t *gradient; |
| int i, j; |
| |
| gradient = cairo_pattern_create_linear (UNIT_SIZE - (INNER_PAD*2), 0, |
| UNIT_SIZE - (INNER_PAD*2), UNIT_SIZE - (INNER_PAD*2)); |
| cairo_pattern_add_color_stop_rgba (gradient, 0.0, 0.3, 0.3, 0.3, 1.0); |
| cairo_pattern_add_color_stop_rgba (gradient, 1.0, 1.0, 1.0, 1.0, 1.0); |
| |
| for (j = 0; j < 1; j++) { |
| for (i = 0; i < 1; i++) { |
| double x = (i * UNIT_SIZE) + (i + 1) * PAD; |
| double y = (j * UNIT_SIZE) + (j + 1) * PAD; |
| |
| cairo_save (cr); |
| |
| cairo_translate (cr, x, y); |
| |
| /* draw a gradient background */ |
| cairo_save (cr); |
| cairo_translate (cr, INNER_PAD, INNER_PAD); |
| cairo_new_path (cr); |
| cairo_rectangle (cr, 0, 0, |
| UNIT_SIZE - (INNER_PAD*2), UNIT_SIZE - (INNER_PAD*2)); |
| cairo_set_source (cr, gradient); |
| cairo_fill (cr); |
| cairo_restore (cr); |
| |
| /* clip to the unit size */ |
| cairo_rectangle (cr, 0, 0, |
| UNIT_SIZE, UNIT_SIZE); |
| cairo_clip (cr); |
| |
| cairo_rectangle (cr, 0, 0, |
| UNIT_SIZE, UNIT_SIZE); |
| cairo_set_source_rgba (cr, 0, 0, 0, 1); |
| cairo_set_line_width (cr, 2); |
| cairo_stroke (cr); |
| |
| /* start a group */ |
| cairo_push_group (cr); |
| |
| /* draw diamond */ |
| cairo_move_to (cr, UNIT_SIZE / 2, 0); |
| cairo_line_to (cr, UNIT_SIZE , UNIT_SIZE / 2); |
| cairo_line_to (cr, UNIT_SIZE / 2, UNIT_SIZE); |
| cairo_line_to (cr, 0 , UNIT_SIZE / 2); |
| cairo_close_path (cr); |
| cairo_set_source_rgba (cr, 0, 0, 1, 1); |
| cairo_fill (cr); |
| |
| /* draw circle */ |
| cairo_arc (cr, |
| UNIT_SIZE / 2, UNIT_SIZE / 2, |
| UNIT_SIZE / 3.5, |
| 0, M_PI * 2); |
| cairo_set_source_rgba (cr, 1, 0, 0, 1); |
| cairo_fill (cr); |
| |
| cairo_pop_group_to_source (cr); |
| cairo_paint_with_alpha (cr, 0.5); |
| |
| cairo_restore (cr); |
| } |
| } |
| |
| cairo_pattern_destroy (gradient); |
| |
| return CAIRO_TEST_SUCCESS; |
| } |
| |
| CAIRO_TEST (push_group, |
| "Verify that cairo_push_group works.", |
| "group", /* keywords */ |
| NULL, /* requirements */ |
| WIDTH, HEIGHT, |
| NULL, draw) |