1 /* Pango
2  * pangofc-private.h: Private routines and declarations for generic
3  *  fontconfig operation
4  *
5  * Copyright (C) 2003 Red Hat Software
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public
18  * License along with this library; if not, write to the
19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20  * Boston, MA 02111-1307, USA.
21  */
22 
23 #ifndef __PANGOFC_PRIVATE_H__
24 #define __PANGOFC_PRIVATE_H__
25 
26 #include <pangofc-fontmap-private.h>
27 
28 G_BEGIN_DECLS
29 
30 
31 #ifndef FC_WEIGHT_DEMILIGHT
32 #define FC_WEIGHT_DEMILIGHT 55
33 #define FC_WEIGHT_SEMILIGHT FC_WEIGHT_DEMILIGHT
34 #endif
35 
36 
37 typedef struct _PangoFcMetricsInfo  PangoFcMetricsInfo;
38 
39 struct _PangoFcMetricsInfo
40 {
41   const char       *sample_str;
42   PangoFontMetrics *metrics;
43 };
44 
45 
46 #define PANGO_SCALE_26_6 (PANGO_SCALE / (1<<6))
47 #define PANGO_PIXELS_26_6(d)				\
48   (((d) >= 0) ?						\
49    ((d) + PANGO_SCALE_26_6 / 2) / PANGO_SCALE_26_6 :	\
50    ((d) - PANGO_SCALE_26_6 / 2) / PANGO_SCALE_26_6)
51 #define PANGO_UNITS_26_6(d)    ((d) * PANGO_SCALE_26_6)
52 #define PANGO_UNITS_TO_26_6(d) ((d) / PANGO_SCALE_26_6)
53 
54 void _pango_fc_font_shutdown (PangoFcFont *fcfont);
55 
56 void           _pango_fc_font_map_remove          (PangoFcFontMap *fcfontmap,
57 						   PangoFcFont    *fcfont);
58 
59 PangoCoverage *_pango_fc_font_map_get_coverage    (PangoFcFontMap *fcfontmap,
60 						   PangoFcFont    *fcfont);
61 PangoCoverage  *_pango_fc_font_map_fc_to_coverage (FcCharSet      *charset);
62 
63 PangoFcDecoder *_pango_fc_font_get_decoder       (PangoFcFont    *font);
64 void            _pango_fc_font_set_decoder       (PangoFcFont    *font,
65 						  PangoFcDecoder *decoder);
66 
67 PangoFcFontKey *_pango_fc_font_get_font_key      (PangoFcFont    *fcfont);
68 void            _pango_fc_font_set_font_key      (PangoFcFont    *fcfont,
69 						  PangoFcFontKey *key);
70 
71 _PANGO_EXTERN
72 void            pango_fc_font_get_raw_extents    (PangoFcFont    *font,
73 						  PangoGlyph      glyph,
74 						  PangoRectangle *ink_rect,
75 						  PangoRectangle *logical_rect);
76 
77 _PANGO_EXTERN
78 PangoFontMetrics *pango_fc_font_create_base_metrics_for_context (PangoFcFont   *font,
79 								 PangoContext  *context);
80 
81 PangoLanguage **_pango_fc_font_map_get_languages (PangoFcFontMap *fcfontmap,
82                                                   PangoFcFont    *fcfont);
83 
84 G_END_DECLS
85 
86 #endif /* __PANGOFC_PRIVATE_H__ */
87