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Diffstat (limited to 'test/mask-alpha.c')
-rw-r--r-- | test/mask-alpha.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/test/mask-alpha.c b/test/mask-alpha.c deleted file mode 100644 index d66e0ac13..000000000 --- a/test/mask-alpha.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright © 2007 Adrian Johnson - * - * 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: Adrian Johnson <ajohnson@redneon.com> - */ - -#include "cairo-test.h" - -#define SIZE 40 -#define PAD 2 -#define WIDTH (PAD + SIZE + PAD) -#define HEIGHT WIDTH - -/* This test is designed to test that PDF viewers use the correct - * alpha values in an Alpha SMasks. Some viewers use the color values - * instead of the alpha. The test draws a triangle and rectangle in a - * group then draws the group using cairo_mask(). The mask consists of - * a circle with the rgba (0.4, 0.4, 0.4, 0.8) and the background rgba - * (0.8, 0.8, 0.8, 0.4). - */ - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - cairo_pattern_t *pattern; - - cairo_translate (cr, PAD, PAD); - - /* mask */ - cairo_push_group (cr); - cairo_set_source_rgba (cr, 0.8, 0.8, 0.8, 0.4); - cairo_paint (cr); - cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 6, 0., 2. * M_PI); - cairo_set_source_rgba (cr, 0.4, 0.4, 0.4, 0.8); - cairo_fill (cr); - pattern = cairo_pop_group (cr); - - /* source */ - cairo_push_group (cr); - cairo_rectangle (cr, 0.3 * SIZE, 0.2 * SIZE, 0.5 * SIZE, 0.5 * SIZE); - cairo_set_source_rgb (cr, 0, 0, 1); - cairo_fill (cr); - cairo_move_to (cr, 0.0, 0.8 * SIZE); - cairo_rel_line_to (cr, 0.7 * SIZE, 0.0); - cairo_rel_line_to (cr, -0.375 * SIZE, -0.6 * SIZE); - cairo_close_path (cr); - cairo_set_source_rgb (cr, 0, 1, 0); - cairo_fill (cr); - cairo_pop_group_to_source (cr); - - cairo_mask (cr, pattern); - cairo_pattern_destroy (pattern); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (mask_alpha, - "A simple test painting a group through a circle mask", - "mask, alpha", /* keywords */ - NULL, /* requirements */ - WIDTH, HEIGHT, - NULL, draw) |