test/composite-integer-translate-over.c

   1 /*
   2  * Copyright © 2006 Mozilla Corporation
   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  * Mozilla Corporation not be used in advertising or publicity pertaining to
  10  * distribution of the software without specific, written prior
  11  * permission. Mozilla Corporation 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  * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION 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  * Author: Vladimir Vukicevic <vladimir@pobox.com>
  24  */
  25 #include <math.h>
  26 #include "cairo-test.h"
  27 #include <stdio.h>
  28
  29 #define SIZE 100
  30 #define OFFSET 10
  31 const char      png_filename[]  = "romedalen.png";
  32
  33 static cairo_test_draw_function_t draw;
  34
  35 cairo_test_t test = {
  36     "composite-integer-translate-over",
  37     "Test simple compositing: integer-translation 32->32 OVER",
  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 *image;
  46
  47     image = cairo_test_create_surface_from_png (png_filename);
  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     cairo_translate (cr, OFFSET, OFFSET);
  54     cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
  55     cairo_set_source_surface (cr, image, 0, 0);
  56     cairo_rectangle (cr, 0, 0, (SIZE-OFFSET), (SIZE-OFFSET));
  57     cairo_fill (cr);
  58
  59     cairo_surface_destroy (image);
  60
  61     return CAIRO_TEST_SUCCESS;
  62 }
  63
  64 int
  65 main (void)
  66 {
  67     return cairo_test (&test);
  68 }