cairo/test/font-options.c

   1 /*
   2  * Copyright © 2008 Chris Wilson
   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. Chris Wilson 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  * Author: Chris Wilson <chris@chris-wilson.co.uk>
  24  */
  25
  26 #include "cairo-test.h"
  27
  28 #include <cairo.h>
  29 #include <assert.h>
  30
  31 int
  32 main (void)
  33 {
  34     cairo_test_context_t ctx;
  35     cairo_font_options_t *default_options;
  36     cairo_font_options_t *nil_options;
  37     cairo_surface_t *surface;
  38     cairo_matrix_t identity;
  39     cairo_t *cr;
  40     cairo_scaled_font_t *scaled_font;
  41
  42     cairo_test_init (&ctx, "font-options");
  43
  44     /* first check NULL handling of cairo_font_options_t */
  45     default_options = cairo_font_options_create ();
  46     assert (cairo_font_options_status (default_options) == CAIRO_STATUS_SUCCESS);
  47     nil_options = cairo_font_options_copy (NULL);
  48     assert (cairo_font_options_status (nil_options) == CAIRO_STATUS_NO_MEMORY);
  49
  50     assert (cairo_font_options_equal (default_options, default_options));
  51     assert (! cairo_font_options_equal (default_options, nil_options));
  52     assert (! cairo_font_options_equal (NULL, nil_options));
  53     assert (! cairo_font_options_equal (nil_options, nil_options));
  54     assert (! cairo_font_options_equal (default_options, NULL));
  55     assert (! cairo_font_options_equal (NULL, default_options));
  56
  57     assert (cairo_font_options_hash (default_options) == cairo_font_options_hash (nil_options));
  58     assert (cairo_font_options_hash (NULL) == cairo_font_options_hash (nil_options));
  59     assert (cairo_font_options_hash (default_options) == cairo_font_options_hash (NULL));
  60
  61     cairo_font_options_merge (NULL, NULL);
  62     cairo_font_options_merge (default_options, NULL);
  63     cairo_font_options_merge (default_options, nil_options);
  64
  65     cairo_font_options_set_antialias (NULL, CAIRO_ANTIALIAS_DEFAULT);
  66     cairo_font_options_get_antialias (NULL);
  67     assert (cairo_font_options_get_antialias (default_options) == CAIRO_ANTIALIAS_DEFAULT);
  68
  69     cairo_font_options_set_subpixel_order (NULL, CAIRO_SUBPIXEL_ORDER_DEFAULT);
  70     cairo_font_options_get_subpixel_order (NULL);
  71     assert (cairo_font_options_get_subpixel_order (default_options) == CAIRO_SUBPIXEL_ORDER_DEFAULT);
  72
  73     cairo_font_options_set_hint_style (NULL, CAIRO_HINT_STYLE_DEFAULT);
  74     cairo_font_options_get_hint_style (NULL);
  75     assert (cairo_font_options_get_hint_style (default_options) == CAIRO_HINT_STYLE_DEFAULT);
  76
  77     cairo_font_options_set_hint_metrics (NULL, CAIRO_HINT_METRICS_DEFAULT);
  78     cairo_font_options_get_hint_metrics (NULL);
  79     assert (cairo_font_options_get_hint_metrics (default_options) == CAIRO_HINT_METRICS_DEFAULT);
  80
  81     cairo_font_options_destroy (NULL);
  82     cairo_font_options_destroy (default_options);
  83     cairo_font_options_destroy (nil_options);
  84
  85
  86     /* Now try creating fonts with NULLs */
  87     surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 0, 0);
  88     cr = cairo_create (surface);
  89     cairo_surface_destroy (surface);
  90
  91     cairo_matrix_init_identity (&identity);
  92     scaled_font = cairo_scaled_font_create (cairo_get_font_face (cr),
  93                                             &identity, &identity,
  94                                             NULL);
  95     assert (cairo_scaled_font_status (scaled_font) == CAIRO_STATUS_NULL_POINTER);
  96     cairo_scaled_font_get_font_options (scaled_font, NULL);
  97     cairo_scaled_font_destroy (scaled_font);
  98
  99     assert (cairo_status (cr) == CAIRO_STATUS_SUCCESS);
 100     cairo_get_font_options (cr, NULL);
 101     cairo_set_font_options (cr, NULL);
 102     assert (cairo_status (cr) == CAIRO_STATUS_NULL_POINTER);
 103
 104     cairo_destroy (cr);
 105
 106     cairo_test_fini (&ctx);
 107
 108     return CAIRO_TEST_SUCCESS;
 109 }