test/group-unaligned.c

   1 /*
   2  * Copyright © Chris Wilson, 2008
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software
   5  * and its documentation for any purpose is hereby granted without
   6  * fee, provided that the above copyright notice appear in all copies
   7  * and that both that copyright notice and this permission notice
   8  * appear in supporting documentation, and that the name of
   9  * Chris Wilson not be used in advertising or publicity pertaining to
  10  * distribution of the software without specific, written prior
  11  * permission. Red Hat, Inc. makes no representations about the
  12  * suitability of this software for any purpose.  It is provided "as
  13  * is" without express or implied warranty.
  14  *
  15  * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
  18  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  20  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
  21  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  *
  23  * Authors: Chris Wilson <chris@chris-wilson.co.uk>
  24  *          Stefan Röllin <stefan.roellin@gmx.ch>
  25  */
  26
  27 #include "cairo-test.h"
  28
  29 static void
  30 circle (cairo_t* cr, double xc, double yc, double radius)
  31 {
  32     cairo_arc (cr, xc, yc, radius, 0.0, 2*M_PI);
  33 }
  34
  35 static cairo_test_status_t
  36 draw (cairo_t *cr, int width, int height)
  37 {
  38     cairo_set_source_rgb (cr, 1, 1, 1);
  39     cairo_paint (cr);
  40
  41     cairo_set_source_rgb (cr, 1, 0, 0);
  42     circle (cr, 12.5, 12.5, 10.);
  43     cairo_fill (cr);
  44
  45     cairo_push_group (cr);
  46     cairo_set_source_rgb (cr, 0, 0, 1);
  47     circle (cr, 12.5, 12.5, 10.);
  48     cairo_fill (cr);
  49     cairo_pop_group_to_source (cr);
  50     cairo_paint (cr);
  51
  52     return CAIRO_TEST_SUCCESS;
  53 }
  54
  55 CAIRO_TEST (group_unaligned,
  56             "test non-integer sized sub-surface",
  57             "group", /* keywords */
  58             NULL, /* requirements */
  59             35.5, 35.5,
  60             NULL, draw)