pango.c.item source code

1 /*
2  * Distributed under the Boost Software License, Version 1.0.
3  *    (See accompanying file LICENSE_1_0.txt or copy at
4  *          http://www.boost.org/LICENSE_1_0.txt)
5  */
6 module pango.c.item;
7 
8 import pango.c.types;
9 import pango.c.font;
10 import pango.c.engine;
11 
12 import glib;
13 import gobject;
14 
15 extern (C):
16 
17 /**
18  * PANGO_ANALYSIS_FLAG_CENTERED_BASELINE:
19  *
20  * Whether the segment should be shifted to center around the baseline.
21  * Used in vertical writing directions mostly.
22  *
23  * Since: 1.16
24  */
25 enum PANGO_ANALYSIS_FLAG_CENTERED_BASELINE = (1 << 0);
26 
27 /**
28  * PANGO_ANALYSIS_FLAG_IS_ELLIPSIS:
29  *
30  * This flag is used to mark runs that hold ellipsized text,
31  * in an ellipsized layout.
32  *
33  * Since: 1.36.7
34  */
35 enum PANGO_ANALYSIS_FLAG_IS_ELLIPSIS = (1 << 1);
36 
37 /**
38  * PangoAnalysis:
39  * @shape_engine: the engine for doing rendering-system-dependent processing.
40  * @lang_engine: the engine for doing rendering-system-independent processing.
41  * @font: the font for this segment.
42  * @level: the bidirectional level for this segment.
43  * @gravity: the glyph orientation for this segment (A #PangoGravity).
44  * @flags: boolean flags for this segment (currently only one) (Since: 1.16).
45  * @script: the detected script for this segment (A #PangoScript) (Since: 1.18).
46  * @language: the detected language for this segment.
47  * @extra_attrs: extra attributes for this segment.
48  *
49  * The #PangoAnalysis structure stores information about
50  * the properties of a segment of text.
51  */
52 struct PangoAnalysis
53 {
54   PangoEngineShape *shape_engine;
55   PangoEngineLang  *lang_engine;
56   PangoFont *font;
57 
58   guint8 level;
59   guint8 gravity; /* PangoGravity */
60   guint8 flags;
61 
62   guint8 script; /* PangoScript */
63   PangoLanguage *language;
64 
65   GSList *extra_attrs;
66 }
67 
68 /**
69  * PangoItem:
70  *
71  * The #PangoItem structure stores information about a segment of text.
72  */
73 struct PangoItem
74 {
75   gint offset;
76   gint length;
77   gint num_chars;
78   PangoAnalysis analysis;
79 }
80 
81 
82 pure GType pango_item_get_type ();
83 
84 PangoItem *pango_item_new   ();
85 PangoItem *pango_item_copy  (PangoItem  *item);
86 void       pango_item_free  (PangoItem  *item);
87 PangoItem *pango_item_split (PangoItem  *orig,
88 			     int         split_index,
89 			     int         split_offset);
90