test/extend-pad.c

   1 /*
   2  * Copyright © 2007 Red Hat, Inc.
   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: Behdad Esfahbod <behdad@behdad.org>
  25  */
  26
  27 #include <math.h>
  28 #include "cairo-test.h"
  29 #include <stdio.h>
  30
  31 #define SIZE 90
  32
  33 static cairo_test_draw_function_t draw;
  34
  35 cairo_test_t test = {
  36     "extend-pad",
  37     "Test CAIRO_EXTEND_PAD for surface patterns",
  38     SIZE, SIZE,
  39     draw
  40 };
  41
  42 static cairo_test_status_t
  43 draw (cairo_t *cr, int width, int height)
  44 {
  45     cairo_surface_t *surface;
  46     cairo_t * cr_surface;
  47     int surface_size = (SIZE - 30) / 10;
  48
  49     cairo_set_source_rgba (cr, 0, 0, 0, 1);
  50     cairo_rectangle (cr, 0, 0, SIZE, SIZE);
  51     cairo_fill (cr);
  52
  53     /* Create an image surface with my favorite four colors in each
  54      * quadrant. */
  55     surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
  56                                           surface_size, surface_size);
  57     cr_surface = cairo_create (surface);
  58     cairo_set_source_rgb (cr_surface, 1, 1, 1);
  59     cairo_rectangle (cr_surface,
  60                      0, 0,
  61                      surface_size / 2, surface_size / 2);
  62     cairo_fill (cr_surface);
  63     cairo_set_source_rgb (cr_surface, 1, 0, 0);
  64     cairo_rectangle (cr_surface,
  65                      surface_size / 2, 0,
  66                      surface_size / 2, surface_size / 2);
  67     cairo_fill (cr_surface);
  68     cairo_set_source_rgb (cr_surface, 0, 1, 0);
  69     cairo_rectangle (cr_surface,
  70                      0, surface_size / 2,
  71                      surface_size / 2, surface_size / 2);
  72     cairo_fill (cr_surface);
  73     cairo_set_source_rgb (cr_surface, 0, 0, 1);
  74     cairo_rectangle (cr_surface,
  75                      surface_size / 2, surface_size / 2,
  76                      surface_size / 2, surface_size / 2);
  77     cairo_fill (cr_surface);
  78     cairo_destroy (cr_surface);
  79
  80     cairo_scale (cr, 10, 10);
  81     cairo_set_source_surface (cr, surface, 1.5, 1.5);
  82     cairo_surface_destroy (surface);
  83
  84     /* Using EXTEND_REFLECT makes this test pass for image and xlib backends */
  85     /*cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT);*/
  86
  87     cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
  88     cairo_rectangle (cr, 1.5, 1.5, 6, 6);
  89     cairo_clip (cr);
  90
  91     cairo_paint (cr);
  92
  93     return CAIRO_TEST_SUCCESS;
  94 }
  95
  96 int
  97 main (void)
  98 {
  99     return cairo_test (&test);
 100 }