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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*
* Copyright © 2006 Jinghua Luo
*
* 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.
*
* JINGHUA LUO 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: Jinghua Luo <sunmoon1997@gmail.com>
* Derived from:
* text-antialias-none.c,
* ft-font-create-for-ft-face.c.
* Original Author: Carl D. Worth <cworth@cworth.org>
*/
#include "cairo-test.h"
#include <cairo-ft.h>
#define WIDTH 80
#define HEIGHT 200
#define TEXT_SIZE 30
static cairo_status_t
create_scaled_font (cairo_t * cr,
cairo_scaled_font_t **out)
{
FcPattern *pattern, *resolved;
FcResult result;
cairo_font_face_t *font_face;
cairo_scaled_font_t *scaled_font;
cairo_font_options_t *font_options;
cairo_matrix_t font_matrix, ctm;
cairo_status_t status;
double pixel_size;
font_options = cairo_font_options_create ();
cairo_get_font_options (cr, font_options);
pattern = FcPatternCreate ();
if (pattern == NULL)
return CAIRO_STATUS_NO_MEMORY;
FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)CAIRO_TEST_FONT_FAMILY " Sans");
FcPatternAddDouble (pattern, FC_PIXEL_SIZE, TEXT_SIZE);
FcConfigSubstitute (NULL, pattern, FcMatchPattern);
cairo_ft_font_options_substitute (font_options, pattern);
FcDefaultSubstitute (pattern);
resolved = FcFontMatch (NULL, pattern, &result);
if (resolved == NULL) {
FcPatternDestroy (pattern);
return CAIRO_STATUS_NO_MEMORY;
}
/* set layout to vertical */
FcPatternDel (resolved, FC_VERTICAL_LAYOUT);
FcPatternAddBool (resolved, FC_VERTICAL_LAYOUT, FcTrue);
FcPatternGetDouble (resolved, FC_PIXEL_SIZE, 0, &pixel_size);
font_face = cairo_ft_font_face_create_for_pattern (resolved);
cairo_matrix_init_translate (&font_matrix, 10, 30);
cairo_matrix_rotate (&font_matrix, M_PI_2/3);
cairo_matrix_scale (&font_matrix, pixel_size, pixel_size);
cairo_get_matrix (cr, &ctm);
scaled_font = cairo_scaled_font_create (font_face,
&font_matrix,
&ctm,
font_options);
cairo_font_options_destroy (font_options);
cairo_font_face_destroy (font_face);
FcPatternDestroy (pattern);
FcPatternDestroy (resolved);
status = cairo_scaled_font_status (scaled_font);
if (status) {
cairo_scaled_font_destroy (scaled_font);
return status;
}
*out = scaled_font;
return CAIRO_STATUS_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_text_extents_t extents;
cairo_scaled_font_t *scaled_font;
cairo_status_t status;
const char text[] = "i-W";
double line_width, x, y;
line_width = cairo_get_line_width (cr);
/* We draw in the default black, so paint white first. */
cairo_save (cr);
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
cairo_paint (cr);
cairo_restore (cr);
status = create_scaled_font (cr, &scaled_font);
if (status) {
return cairo_test_status_from_status (cairo_test_get_context (cr),
status);
}
cairo_set_scaled_font (cr, scaled_font);
cairo_scaled_font_destroy (scaled_font);
cairo_set_line_width (cr, 1.0);
cairo_set_source_rgb (cr, 0, 0, 0); /* black */
cairo_text_extents (cr, text, &extents);
x = width - (extents.width + extents.x_bearing) - 5;
y = height - (extents.height + extents.y_bearing) - 5;
cairo_move_to (cr, x, y);
cairo_show_text (cr, text);
cairo_rectangle (cr,
x + extents.x_bearing - line_width / 2,
y + extents.y_bearing - line_width / 2,
extents.width + line_width,
extents.height + line_width);
cairo_stroke (cr);
cairo_set_source_rgb (cr, 0, 0, 1); /* blue */
cairo_text_extents (cr, text, &extents);
x = -extents.x_bearing + 5;
y = -extents.y_bearing + 5;
cairo_move_to (cr, x, y);
cairo_text_path (cr, text);
cairo_fill (cr);
cairo_rectangle (cr,
x + extents.x_bearing - line_width / 2,
y + extents.y_bearing - line_width / 2,
extents.width + line_width,
extents.height + line_width);
cairo_stroke (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (ft_text_vertical_layout_type3,
"Tests text rendering for vertical layout with TrueType fonts",
"ft, fc, text", /* keywords */
NULL, /* requirements */
WIDTH, HEIGHT,
NULL, draw)
|
