cairo/test/text-pattern.c

   1 /*
   2  * Copyright © 2005 Tim Rowley
   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: Tim Rowley
  24  */
  25
  26 #include "cairo-test.h"
  27
  28 #define IMAGE_WIDTH 64
  29 #define IMAGE_HEIGHT 64
  30
  31 static cairo_test_draw_function_t draw;
  32
  33 static const cairo_test_t test = {
  34     "text-pattern",
  35     "Patterned Text\n",
  36     IMAGE_WIDTH, IMAGE_HEIGHT,
  37     draw
  38 };
  39
  40 static cairo_test_status_t
  41 draw (cairo_t *cr, int width, int height)
  42 {
  43   cairo_pattern_t *pat;
  44
  45   cairo_select_font_face (cr, "Bitstream Vera Sans",
  46                           CAIRO_FONT_SLANT_NORMAL,
  47                           CAIRO_FONT_WEIGHT_NORMAL);
  48
  49   cairo_scale (cr, width, height);
  50
  51   pat = cairo_pattern_create_linear (0.0, 0.0, 1, 1);
  52   cairo_pattern_add_color_stop_rgba (pat, 1, 1, 0, 0, 1);
  53   cairo_pattern_add_color_stop_rgba (pat, 0, 0, 0, 1, 1);
  54   cairo_set_source (cr, pat);
  55
  56   /* test rectangle - make sure the gradient is set correctly */
  57   cairo_rectangle (cr, 0, 0, 0.1, 1);
  58   cairo_fill (cr);
  59
  60   cairo_set_font_size (cr, 0.4);
  61   cairo_move_to (cr, 0.1, 0.6);
  62   cairo_show_text (cr, "cairo");
  63
  64   cairo_pattern_destroy (pat);
  65
  66   return CAIRO_TEST_SUCCESS;
  67 }
  68
  69 int
  70 main (void)
  71 {
  72     return cairo_test (&test);
  73 }