1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* Copyright © 2019 Matthias Clasen
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Adrian Johnson <ajohnson@redneon.com>
*/
#include "cairo-test.h"
#define WIDTH 300
#define HEIGHT 200
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_font_options_t *font_options;
double size, y;
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY "DejaVu Sans Mono",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
font_options = cairo_font_options_create();
cairo_get_font_options (cr, font_options);
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF);
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_set_font_options (cr, font_options);
cairo_font_options_destroy (font_options);
y = 0.0;
cairo_set_source_rgb (cr, 0, 0, 0);
for (size = 10.0; size <= 40.0; size += 3.3) {
cairo_set_font_size (cr, size);
y += size + 2.3;
cairo_move_to (cr, 5, y);
cairo_show_text (cr, "aaaaaaaaaa");
}
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (text_subpixel_positioning,
"Test subpixel positioning",
"text, font", /* keywords */
NULL, /* requirements */
WIDTH, HEIGHT,
NULL, draw)
|
