test/extend-repeat-similar.c

   1 #include "cairo-test.h"
   2
   3 const char      png_filename[]  = "romedalen.png";
   4
   5 static cairo_test_draw_function_t draw;
   6
   7 cairo_test_t test = {
   8     "extend-repeat-similar",
   9     "Test CAIRO_EXTEND_REPEAT for surface patterns",
  10     256 + 32*2, 192 + 32*2,
  11     draw
  12 };
  13
  14 static cairo_surface_t *
  15 clone_similar_surface (cairo_surface_t * target, cairo_surface_t *surface)
  16 {
  17     cairo_t *cr;
  18     cairo_surface_t *similar;
  19
  20     similar = cairo_surface_create_similar (target,
  21                                       cairo_surface_get_content (surface),
  22                                       cairo_image_surface_get_width (surface),
  23                                       cairo_image_surface_get_height (surface));
  24     cr = cairo_create (similar);
  25     cairo_set_source_surface (cr, surface, 0, 0);
  26     cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
  27     cairo_paint (cr);
  28     cairo_destroy (cr);
  29
  30     return similar;
  31 }
  32
  33 static cairo_test_status_t
  34 draw (cairo_t *cr, int width, int height)
  35 {
  36     cairo_surface_t *surface;
  37     cairo_surface_t *similar;
  38
  39     surface = cairo_test_create_surface_from_png (png_filename);
  40     similar = clone_similar_surface (cairo_get_group_target (cr), surface);
  41     cairo_set_source_surface (cr, similar, 32, 32);
  42     cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT);
  43
  44     cairo_paint (cr);
  45
  46     cairo_surface_destroy (similar);
  47     cairo_surface_destroy (surface);
  48
  49     return CAIRO_TEST_SUCCESS;
  50 }
  51
  52 int
  53 main (void)
  54 {
  55     return cairo_test (&test);
  56 }