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
|
/* Pango
* pango-item.h: Structure for storing run information
*
* Copyright (C) 2000 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.
*/
#ifndef __PANGO_ITEM_H__
#define __PANGO_ITEM_H__
#include <pango/pango-types.h>
#include <pango/pango-attributes.h>
G_BEGIN_DECLS
typedef struct _PangoAnalysis PangoAnalysis;
typedef struct _PangoItem PangoItem;
/**
* PANGO_ANALYSIS_FLAG_CENTERED_BASELINE:
*
* Whether the segment should be shifted to center around the baseline.
* Used in vertical writing directions mostly.
*
* Since: 1.16
*/
#define PANGO_ANALYSIS_FLAG_CENTERED_BASELINE (1 << 0)
/**
* PANGO_ANALYSIS_FLAG_IS_ELLIPSIS:
*
* This flag is used to mark runs that hold ellipsized text,
* in an ellipsized layout.
*
* Since: 1.36.7
*/
#define PANGO_ANALYSIS_FLAG_IS_ELLIPSIS (1 << 1)
/**
* PANGO_ANALYSIS_FLAG_NEED_HYPHEN:
*
* This flag tells Pango to add a hyphen at the end of the
* run during shaping.
*
* Since: 1.44
*/
#define PANGO_ANALYSIS_FLAG_NEED_HYPHEN (1 << 2)
/**
* PangoAnalysis:
* @shape_engine: unused
* @lang_engine: unused
* @font: the font for this segment.
* @level: the bidirectional level for this segment.
* @gravity: the glyph orientation for this segment (A #PangoGravity).
* @flags: boolean flags for this segment (Since: 1.16).
* @script: the detected script for this segment (A #PangoScript) (Since: 1.18).
* @language: the detected language for this segment.
* @extra_attrs: extra attributes for this segment.
*
* The #PangoAnalysis structure stores information about
* the properties of a segment of text.
*/
struct _PangoAnalysis
{
PangoEngineShape *shape_engine;
PangoEngineLang *lang_engine;
PangoFont *font;
guint8 level;
guint8 gravity;
guint8 flags;
guint8 script;
PangoLanguage *language;
GSList *extra_attrs;
};
/**
* PangoItem:
* @offset: byte offset of the start of this item in text.
* @length: length of this item in bytes.
* @num_chars: number of Unicode characters in the item.
* @analysis: analysis results for the item.
*
* The #PangoItem structure stores information about a segment of text.
*/
struct _PangoItem
{
gint offset;
gint length;
gint num_chars;
PangoAnalysis analysis;
};
#define PANGO_TYPE_ITEM (pango_item_get_type ())
PANGO_AVAILABLE_IN_ALL
GType pango_item_get_type (void) G_GNUC_CONST;
PANGO_AVAILABLE_IN_ALL
PangoItem *pango_item_new (void);
PANGO_AVAILABLE_IN_ALL
PangoItem *pango_item_copy (PangoItem *item);
PANGO_AVAILABLE_IN_ALL
void pango_item_free (PangoItem *item);
PANGO_AVAILABLE_IN_ALL
PangoItem *pango_item_split (PangoItem *orig,
int split_index,
int split_offset);
PANGO_AVAILABLE_IN_1_44
void pango_item_apply_attrs (PangoItem *item,
PangoAttrIterator *iter);
G_END_DECLS
#endif /* __PANGO_ITEM_H__ */
|
