source: trunk/poppler/freetype-2.1.10/src/pcf/pcf.h @ 2

Last change on this file since 2 was 2, checked in by Eugene Romanenko, 15 years ago

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1/*  pcf.h
2
3  FreeType font driver for pcf fonts
4
5  Copyright (C) 2000, 2001, 2002, 2003 by
6  Francesco Zappa Nardelli
7
8Permission is hereby granted, free of charge, to any person obtaining a copy
9of this software and associated documentation files (the "Software"), to deal
10in the Software without restriction, including without limitation the rights
11to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12copies of the Software, and to permit persons to whom the Software is
13furnished to do so, subject to the following conditions:
14
15The above copyright notice and this permission notice shall be included in
16all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
21AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24THE SOFTWARE.
25*/
26
27
28#ifndef __PCF_H__
29#define __PCF_H__
30
31
32#include <ft2build.h>
33#include FT_INTERNAL_DRIVER_H
34#include FT_INTERNAL_STREAM_H
35
36
37FT_BEGIN_HEADER
38
39  typedef struct  PCF_TableRec_
40  {
41    FT_ULong  type;
42    FT_ULong  format;
43    FT_ULong  size;
44    FT_ULong  offset;
45
46  } PCF_TableRec, *PCF_Table;
47
48
49  typedef struct  PCF_TocRec_
50  {
51    FT_ULong   version;
52    FT_ULong   count;
53    PCF_Table  tables;
54
55  } PCF_TocRec, *PCF_Toc;
56
57
58  typedef struct  PCF_ParsePropertyRec_
59  {
60    FT_Long  name;
61    FT_Byte  isString;
62    FT_Long  value;
63
64  } PCF_ParsePropertyRec, *PCF_ParseProperty;
65
66
67  typedef struct  PCF_PropertyRec_
68  {
69    FT_String*  name;
70    FT_Byte     isString;
71
72    union
73    {
74      FT_String*  atom;
75      FT_Long     integer;
76      FT_ULong    cardinal;
77
78    } value;
79
80  } PCF_PropertyRec, *PCF_Property;
81
82
83  typedef struct  PCF_Compressed_MetricRec_
84  {
85    FT_Byte  leftSideBearing;
86    FT_Byte  rightSideBearing;
87    FT_Byte  characterWidth;
88    FT_Byte  ascent;
89    FT_Byte  descent;
90
91  } PCF_Compressed_MetricRec, *PCF_Compressed_Metric;
92
93
94  typedef struct  PCF_MetricRec_
95  {
96    FT_Short  leftSideBearing;
97    FT_Short  rightSideBearing;
98    FT_Short  characterWidth;
99    FT_Short  ascent;
100    FT_Short  descent;
101    FT_Short  attributes;
102    FT_ULong  bits;
103
104  } PCF_MetricRec, *PCF_Metric;
105
106
107  typedef struct  PCF_AccelRec_
108  {
109    FT_Byte        noOverlap;
110    FT_Byte        constantMetrics;
111    FT_Byte        terminalFont;
112    FT_Byte        constantWidth;
113    FT_Byte        inkInside;
114    FT_Byte        inkMetrics;
115    FT_Byte        drawDirection;
116    FT_Long        fontAscent;
117    FT_Long        fontDescent;
118    FT_Long        maxOverlap;
119    PCF_MetricRec  minbounds;
120    PCF_MetricRec  maxbounds;
121    PCF_MetricRec  ink_minbounds;
122    PCF_MetricRec  ink_maxbounds;
123
124  } PCF_AccelRec, *PCF_Accel;
125
126
127  typedef struct  PCF_EncodingRec_
128  {
129    FT_Long    enc;
130    FT_UShort  glyph;
131
132  } PCF_EncodingRec, *PCF_Encoding;
133
134
135  typedef struct  PCF_FaceRec_
136  {
137    FT_FaceRec     root;
138
139    FT_StreamRec   gzip_stream;
140    FT_Stream      gzip_source;
141
142    char*          charset_encoding;
143    char*          charset_registry;
144
145    PCF_TocRec     toc;
146    PCF_AccelRec   accel;
147
148    int            nprops;
149    PCF_Property   properties;
150
151    FT_Long        nmetrics;
152    PCF_Metric     metrics;
153    FT_Long        nencodings;
154    PCF_Encoding   encodings;
155
156    FT_Short       defaultChar;
157
158    FT_ULong       bitmapsFormat;
159
160    FT_CharMap     charmap_handle;
161    FT_CharMapRec  charmap;  /* a single charmap per face */
162
163  } PCF_FaceRec, *PCF_Face;
164
165
166  /* macros for pcf font format */
167
168#define LSBFirst  0
169#define MSBFirst  1
170
171#define PCF_FILE_VERSION        ( ( 'p' << 24 ) | \
172                                  ( 'c' << 16 ) | \
173                                  ( 'f' <<  8 ) | 1 )
174#define PCF_FORMAT_MASK         0xFFFFFF00L
175
176#define PCF_DEFAULT_FORMAT      0x00000000L
177#define PCF_INKBOUNDS           0x00000200L
178#define PCF_ACCEL_W_INKBOUNDS   0x00000100L
179#define PCF_COMPRESSED_METRICS  0x00000100L
180
181#define PCF_FORMAT_MATCH( a, b ) \
182          ( ( (a) & PCF_FORMAT_MASK ) == ( (b) & PCF_FORMAT_MASK ) )
183
184#define PCF_GLYPH_PAD_MASK  ( 3 << 0 )
185#define PCF_BYTE_MASK       ( 1 << 2 )
186#define PCF_BIT_MASK        ( 1 << 3 )
187#define PCF_SCAN_UNIT_MASK  ( 3 << 4 )
188
189#define PCF_BYTE_ORDER( f ) \
190          ( ( (f) & PCF_BYTE_MASK ) ? MSBFirst : LSBFirst )
191#define PCF_BIT_ORDER( f ) \
192          ( ( (f) & PCF_BIT_MASK ) ? MSBFirst : LSBFirst )
193#define PCF_GLYPH_PAD_INDEX( f ) \
194          ( (f) & PCF_GLYPH_PAD_MASK )
195#define PCF_GLYPH_PAD( f ) \
196          ( 1 << PCF_GLYPH_PAD_INDEX( f ) )
197#define PCF_SCAN_UNIT_INDEX( f ) \
198          ( ( (f) & PCF_SCAN_UNIT_MASK ) >> 4 )
199#define PCF_SCAN_UNIT( f ) \
200          ( 1 << PCF_SCAN_UNIT_INDEX( f ) )
201#define PCF_FORMAT_BITS( f )             \
202          ( (f) & ( PCF_GLYPH_PAD_MASK | \
203                    PCF_BYTE_MASK      | \
204                    PCF_BIT_MASK       | \
205                    PCF_SCAN_UNIT_MASK ) )
206
207#define PCF_SIZE_TO_INDEX( s )  ( (s) == 4 ? 2 : (s) == 2 ? 1 : 0 )
208#define PCF_INDEX_TO_SIZE( b )  ( 1 << b )
209
210#define PCF_FORMAT( bit, byte, glyph, scan )          \
211          ( ( PCF_SIZE_TO_INDEX( scan )      << 4 ) | \
212            ( ( (bit)  == MSBFirst ? 1 : 0 ) << 3 ) | \
213            ( ( (byte) == MSBFirst ? 1 : 0 ) << 2 ) | \
214            ( PCF_SIZE_TO_INDEX( glyph )     << 0 ) )
215
216#define PCF_PROPERTIES        ( 1 << 0 )
217#define PCF_ACCELERATORS      ( 1 << 1 )
218#define PCF_METRICS           ( 1 << 2 )
219#define PCF_BITMAPS           ( 1 << 3 )
220#define PCF_INK_METRICS       ( 1 << 4 )
221#define PCF_BDF_ENCODINGS     ( 1 << 5 )
222#define PCF_SWIDTHS           ( 1 << 6 )
223#define PCF_GLYPH_NAMES       ( 1 << 7 )
224#define PCF_BDF_ACCELERATORS  ( 1 << 8 )
225
226#define GLYPHPADOPTIONS  4 /* I'm not sure about this */
227
228  FT_LOCAL( FT_Error )
229  pcf_load_font( FT_Stream,
230                 PCF_Face );
231
232FT_END_HEADER
233
234#endif /* __PCF_H__ */
235
236
237/* END */
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