test/text-antialias-none.c

   1 /*
   2  * Copyright © 2005 Red Hat, Inc.
   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  * Red Hat, Inc. 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  * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org>
  24  */
  25
  26 #include "cairo-test.h"
  27
  28 #define WIDTH  31
  29 #define HEIGHT 22
  30 #define TEXT_SIZE 12
  31
  32 static cairo_test_draw_function_t draw;
  33
  34 cairo_test_t test = {
  35     "text-antialias-none",
  36     "Tests text rendering with no antialiasing",
  37     WIDTH, HEIGHT,
  38     draw
  39 };
  40
  41 static cairo_test_status_t
  42 draw (cairo_t *cr, int width, int height)
  43 {
  44     cairo_text_extents_t extents;
  45     cairo_font_options_t *font_options;
  46     static char black[] = "black", blue[] = "blue";
  47
  48     /* We draw in the default black, so paint white first. */
  49     cairo_save (cr);
  50     cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
  51     cairo_paint (cr);
  52     cairo_restore (cr);
  53
  54     cairo_select_font_face (cr, "Bitstream Vera Sans",
  55                             CAIRO_FONT_SLANT_NORMAL,
  56                             CAIRO_FONT_WEIGHT_NORMAL);
  57     cairo_set_font_size (cr, TEXT_SIZE);
  58
  59     font_options = cairo_font_options_create ();
  60     cairo_get_font_options (cr, font_options);
  61     cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_NONE);
  62     cairo_set_font_options (cr, font_options);
  63
  64     cairo_font_options_destroy (font_options);
  65
  66     cairo_set_source_rgb (cr, 0, 0, 0); /* black */
  67     cairo_text_extents (cr, black, &extents);
  68     cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing);
  69     cairo_show_text (cr, black);
  70     cairo_translate (cr, 0, -extents.y_bearing + 1);
  71
  72     cairo_set_source_rgb (cr, 0, 0, 1); /* blue */
  73     cairo_text_extents (cr, blue, &extents);
  74     cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing);
  75     cairo_show_text (cr, blue);
  76
  77     return CAIRO_TEST_SUCCESS;
  78 }
  79
  80 int
  81 main (void)
  82 {
  83     return cairo_test (&test);
  84 }