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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/* Pango
* pango-fontset-simple.c:
*
* Copyright (C) 2001 Red Hat Software
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
/*
* PangoFontset
*/
#include "pango-types.h"
#include "pango-font-private.h"
#include "pango-fontset-simple-private.h"
#include "pango-impl-utils.h"
/* {{{ PangoFontset implementation */
#define PANGO_FONTSET_SIMPLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FONTSET_SIMPLE, PangoFontsetSimpleClass))
#define PANGO_IS_FONTSET_SIMPLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FONTSET_SIMPLE))
#define PANGO_FONTSET_SIMPLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FONTSET_SIMPLE, PangoFontsetSimpleClass))
G_DEFINE_TYPE (PangoFontsetSimple, pango_fontset_simple, PANGO_TYPE_FONTSET);
static void
pango_fontset_simple_init (PangoFontsetSimple *fontset)
{
fontset->fonts = g_ptr_array_new_with_free_func (g_object_unref);
fontset->language = NULL;
}
static void
pango_fontset_simple_finalize (GObject *object)
{
PangoFontsetSimple *fontset = PANGO_FONTSET_SIMPLE (object);
g_ptr_array_free (fontset->fonts, TRUE);
G_OBJECT_CLASS (pango_fontset_simple_parent_class)->finalize (object);
}
static PangoFont *
pango_fontset_simple_get_font (PangoFontset *fontset,
guint wc)
{
PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
unsigned int i;
for (i = 0; i < simple->fonts->len; i++)
{
PangoFont *font = g_ptr_array_index (simple->fonts, i);
if (pango_font_has_char (font, wc))
return g_object_ref (font);
}
return NULL;
}
static PangoFontMetrics *
pango_fontset_simple_get_metrics (PangoFontset *fontset)
{
PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
if (simple->fonts->len == 1)
{
PangoFont *font = g_ptr_array_index (simple->fonts, 0);
return pango_font_get_metrics (font, simple->language);
}
return PANGO_FONTSET_CLASS (pango_fontset_simple_parent_class)->get_metrics (fontset);
}
static PangoLanguage *
pango_fontset_simple_get_language (PangoFontset *fontset)
{
PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
return simple->language;
}
static void
pango_fontset_simple_foreach (PangoFontset *fontset,
PangoFontsetForeachFunc func,
gpointer data)
{
PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
unsigned int i;
for (i = 0; i < simple->fonts->len; i++)
{
PangoFont *font = g_ptr_array_index (simple->fonts, i);
if ((*func) (fontset, font, data))
return;
}
}
static void
pango_fontset_simple_class_init (PangoFontsetSimpleClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
PangoFontsetClass *fontset_class = PANGO_FONTSET_CLASS (class);
object_class->finalize = pango_fontset_simple_finalize;
fontset_class->get_font = pango_fontset_simple_get_font;
fontset_class->get_metrics = pango_fontset_simple_get_metrics;
fontset_class->get_language = pango_fontset_simple_get_language;
fontset_class->foreach = pango_fontset_simple_foreach;
}
/* }}} */
/* {{{ Public API */
/**
* pango_fontset_simple_new:
* @language: a `PangoLanguage` tag
*
* Creates a new `PangoFontsetSimple` for the given language.
*
* Return value: the newly allocated `PangoFontsetSimple`
*/
PangoFontsetSimple *
pango_fontset_simple_new (PangoLanguage *language)
{
PangoFontsetSimple *fontset;
fontset = g_object_new (PANGO_TYPE_FONTSET_SIMPLE, NULL);
fontset->language = language;
return fontset;
}
/**
* pango_fontset_simple_append:
* @fontset: a `PangoFontsetSimple`.
* @font: (transfer full): a `PangoFont`.
*
* Adds a font to the fontset.
*
* The fontset takes ownership of @font.
*/
void
pango_fontset_simple_append (PangoFontsetSimple *fontset,
PangoFont *font)
{
g_ptr_array_add (fontset->fonts, font);
}
/**
* pango_fontset_simple_size:
* @fontset: a `PangoFontsetSimple`.
*
* Returns the number of fonts in the fontset.
*
* Return value: the size of @fontset
*/
int
pango_fontset_simple_size (PangoFontsetSimple *fontset)
{
return fontset->fonts->len;
}
/* }}} */
/* vim:set foldmethod=marker expandtab: */
|
