2 * Copyright 2009 Chris Wilson
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.
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.
23 * Author: Chris Wilson <chris@chris-wilson.co.uk>
26 #include "cairo-test.h"
28 static cairo_scaled_font_t *
29 create_twin (cairo_t *cr, cairo_antialias_t antialias)
31 cairo_font_options_t *options;
33 cairo_select_font_face (cr,
35 CAIRO_FONT_SLANT_NORMAL,
36 CAIRO_FONT_WEIGHT_NORMAL);
38 options = cairo_font_options_create ();
39 cairo_font_options_set_antialias (options, antialias);
40 cairo_set_font_options (cr, options);
41 cairo_font_options_destroy (options);
43 return cairo_scaled_font_reference (cairo_get_scaled_font (cr));
47 static cairo_test_status_t
48 draw (cairo_t *cr, int width, int height)
50 cairo_scaled_font_t *subpixel, *gray, *none;
52 cairo_set_source_rgb (cr, 1, 1, 1);
54 cairo_set_source_rgb (cr, 0, 0, 0);
56 cairo_set_font_size (cr, 64);
57 subpixel = create_twin (cr, CAIRO_ANTIALIAS_SUBPIXEL);
58 gray = create_twin (cr, CAIRO_ANTIALIAS_GRAY);
59 none = create_twin (cr, CAIRO_ANTIALIAS_NONE);
61 cairo_move_to (cr, 4, 64);
62 cairo_set_scaled_font (cr, subpixel);
63 cairo_show_text (cr, "Is cairo's");
64 cairo_set_scaled_font (cr, gray);
65 cairo_show_text (cr, " twin");
66 cairo_set_scaled_font (cr, none);
67 cairo_show_text (cr, " giza?");
69 cairo_move_to (cr, 4, 128+16);
70 cairo_set_scaled_font (cr, gray);
71 cairo_show_text (cr, "Is cairo's");
72 cairo_set_scaled_font (cr, none);
73 cairo_show_text (cr, " twin");
74 cairo_set_scaled_font (cr, subpixel);
75 cairo_show_text (cr, " giza?");
77 cairo_move_to (cr, 4, 192+32);
78 cairo_set_scaled_font (cr, none);
79 cairo_show_text (cr, "Is cairo's");
80 cairo_set_scaled_font (cr, gray);
81 cairo_show_text (cr, " twin");
82 cairo_set_scaled_font (cr, subpixel);
83 cairo_show_text (cr, " giza?");
85 cairo_scaled_font_destroy (none);
86 cairo_scaled_font_destroy (gray);
87 cairo_scaled_font_destroy (subpixel);
89 return CAIRO_TEST_SUCCESS;
92 CAIRO_TEST (large_twin_antialias_mixed,
93 "Tests the internal font (with intermixed antialiasing)",
94 "twin, font", /* keywords */
95 "target=raster", /* requirements */