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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/* Pango
* pango-layout.h: Highlevel layout driver
*
* 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_LAYOUT_H__
#define __PANGO_LAYOUT_H__
#include <pango/pango-attributes.h>
#include <pango/pango-context.h>
#include <pango/pango-glyph.h>
#include <pango/pango-tabs.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct _PangoLayout PangoLayout;
typedef struct _PangoLayoutClass PangoLayoutClass;
typedef struct _PangoLayoutLine PangoLayoutLine;
typedef struct _PangoLayoutRun PangoLayoutRun;
typedef enum {
PANGO_ALIGN_LEFT,
PANGO_ALIGN_CENTER,
PANGO_ALIGN_RIGHT
} PangoAlignment;
typedef enum {
PANGO_WRAP_WORD,
PANGO_WRAP_CHAR
} PangoWrapMode;
struct _PangoLayoutLine
{
PangoLayout *layout;
gint start_index; /* start of line as byte index into layout->text */
gint length; /* length of line in bytes */
GSList *runs;
};
struct _PangoLayoutRun
{
PangoItem *item;
PangoGlyphString *glyphs;
};
#define PANGO_TYPE_LAYOUT (pango_layout_get_type ())
#define PANGO_LAYOUT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_LAYOUT, PangoLayout))
#define PANGO_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_LAYOUT, PangoLayoutClass))
#define PANGO_IS_LAYOUT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_LAYOUT))
#define PANGO_IS_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_LAYOUT))
#define PANGO_LAYOUT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_LAYOUT, PangoLayoutClass))
/* The PangoLayout and PangoLayoutClass structs are private; if you
* need to create a subclass of these, mail otaylor@redhat.com
*/
GType pango_layout_get_type (void) G_GNUC_CONST;
PangoLayout *pango_layout_new (PangoContext *context);
PangoLayout *pango_layout_copy (PangoLayout *src);
PangoContext *pango_layout_get_context (PangoLayout *layout);
void pango_layout_set_attributes (PangoLayout *layout,
PangoAttrList *attrs);
PangoAttrList *pango_layout_get_attributes (PangoLayout *layout);
void pango_layout_set_text (PangoLayout *layout,
const char *text,
int length);
const char *pango_layout_get_text (PangoLayout *layout);
void pango_layout_set_markup (PangoLayout *layout,
const char *markup,
int length);
void pango_layout_set_markup_with_accel (PangoLayout *layout,
const char *markup,
int length,
gunichar accel_marker,
gunichar *accel_char);
void pango_layout_set_font_description (PangoLayout *layout,
const PangoFontDescription *desc);
void pango_layout_set_width (PangoLayout *layout,
int width);
int pango_layout_get_width (PangoLayout *layout);
void pango_layout_set_wrap (PangoLayout *layout,
PangoWrapMode wrap);
PangoWrapMode pango_layout_get_wrap (PangoLayout *layout);
void pango_layout_set_indent (PangoLayout *layout,
int indent);
int pango_layout_get_indent (PangoLayout *layout);
void pango_layout_set_spacing (PangoLayout *layout,
int spacing);
int pango_layout_get_spacing (PangoLayout *layout);
void pango_layout_set_justify (PangoLayout *layout,
gboolean justify);
gboolean pango_layout_get_justify (PangoLayout *layout);
void pango_layout_set_alignment (PangoLayout *layout,
PangoAlignment alignment);
PangoAlignment pango_layout_get_alignment (PangoLayout *layout);
void pango_layout_set_tabs (PangoLayout *layout,
PangoTabArray *tabs);
PangoTabArray* pango_layout_get_tabs (PangoLayout *layout);
void pango_layout_context_changed (PangoLayout *layout);
void pango_layout_get_log_attrs (PangoLayout *layout,
PangoLogAttr **attrs,
gint *n_attrs);
void pango_layout_index_to_pos (PangoLayout *layout,
int index,
PangoRectangle *pos);
void pango_layout_get_cursor_pos (PangoLayout *layout,
int index,
PangoRectangle *strong_pos,
PangoRectangle *weak_pos);
void pango_layout_move_cursor_visually (PangoLayout *layout,
int old_index,
int old_trailing,
int direction,
int *new_index,
int *new_trailing);
gboolean pango_layout_xy_to_index (PangoLayout *layout,
int x,
int y,
int *index,
gboolean *trailing);
void pango_layout_get_extents (PangoLayout *layout,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
void pango_layout_get_pixel_extents (PangoLayout *layout,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
void pango_layout_get_size (PangoLayout *layout,
int *width,
int *height);
void pango_layout_get_pixel_size (PangoLayout *layout,
int *width,
int *height);
int pango_layout_get_line_count (PangoLayout *layout);
PangoLayoutLine *pango_layout_get_line (PangoLayout *layout,
int line);
GSList * pango_layout_get_lines (PangoLayout *layout);
void pango_layout_line_ref (PangoLayoutLine *line);
void pango_layout_line_unref (PangoLayoutLine *line);
void pango_layout_line_x_to_index (PangoLayoutLine *line,
int x_pos,
int *index,
int *trailing);
void pango_layout_line_index_to_x (PangoLayoutLine *line,
int index,
gboolean trailing,
int *x_pos);
void pango_layout_line_get_x_ranges (PangoLayoutLine *line,
int start_index,
int end_index,
int **ranges,
int *n_ranges);
void pango_layout_line_get_extents (PangoLayoutLine *line,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
void pango_layout_line_get_pixel_extents (PangoLayoutLine *layout_line,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
typedef struct _PangoLayoutIter PangoLayoutIter;
PangoLayoutIter *pango_layout_get_iter (PangoLayout *layout);
void pango_layout_iter_free (PangoLayoutIter *iter);
int pango_layout_iter_get_index (PangoLayoutIter *iter);
PangoLayoutRun *pango_layout_iter_get_run (PangoLayoutIter *iter);
PangoLayoutLine *pango_layout_iter_get_line (PangoLayoutIter *iter);
gboolean pango_layout_iter_at_last_line (PangoLayoutIter *iter);
gboolean pango_layout_iter_next_char (PangoLayoutIter *iter);
gboolean pango_layout_iter_next_cluster (PangoLayoutIter *iter);
gboolean pango_layout_iter_next_run (PangoLayoutIter *iter);
gboolean pango_layout_iter_next_line (PangoLayoutIter *iter);
void pango_layout_iter_get_char_extents (PangoLayoutIter *iter,
PangoRectangle *logical_rect);
void pango_layout_iter_get_cluster_extents (PangoLayoutIter *iter,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
void pango_layout_iter_get_run_extents (PangoLayoutIter *iter,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
void pango_layout_iter_get_line_extents (PangoLayoutIter *iter,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
/* All the yranges meet, unlike the logical_rect's (i.e. the yranges
* assign between-line spacing to the nearest line)
*/
void pango_layout_iter_get_line_yrange (PangoLayoutIter *iter,
int *y0,
int *y1);
void pango_layout_iter_get_layout_extents (PangoLayoutIter *iter,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
int pango_layout_iter_get_baseline (PangoLayoutIter *iter);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __PANGO_LAYOUT_H__ */
|
