cairo/test/linear-gradient-reflect.c

   1 /*
   2  * Copyright © 2007 Tim Rowley
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  * Author: Tim Rowley
  25  */
  26
  27 #include "cairo-test.h"
  28 #include "stdio.h"
  29
  30 #define WIDTH  50
  31 #define HEIGHT 50
  32
  33 static cairo_test_draw_function_t draw;
  34
  35 static const cairo_test_t test = {
  36     "linear-gradient-reflect",
  37     "Tests the drawing of linear gradient with reflect",
  38     WIDTH, HEIGHT,
  39     draw
  40 };
  41
  42 static cairo_test_status_t
  43 draw (cairo_t *cr, int width, int height)
  44 {
  45     cairo_pattern_t *pattern;
  46
  47     cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
  48     cairo_paint (cr);
  49
  50     cairo_save (cr);
  51
  52     pattern = cairo_pattern_create_linear (0, 0, 10.0, 0);
  53
  54     cairo_pattern_add_color_stop_rgb (pattern, 0.0,
  55                                       0.0, 0.0, 1.0);
  56     cairo_pattern_add_color_stop_rgb (pattern, 1.0,
  57                                       1.0, 0.0, 0.0);
  58     cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REFLECT);
  59
  60     cairo_set_source (cr, pattern);
  61     cairo_pattern_destroy (pattern);
  62     cairo_rectangle (cr, 0.0, 0.0, WIDTH, HEIGHT);
  63     cairo_fill (cr);
  64
  65     cairo_restore (cr);
  66
  67     return CAIRO_TEST_SUCCESS;
  68 }
  69
  70 int
  71 main (void)
  72 {
  73     return cairo_test (&test);
  74 }