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pcf.h
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1 /* pcf.h
2 
3  FreeType font driver for pcf fonts
4 
5  Copyright (C) 2000, 2001, 2002, 2003, 2006, 2010 by
6  Francesco Zappa Nardelli
7 
8 Permission is hereby granted, free of charge, to any person obtaining a copy
9 of this software and associated documentation files (the "Software"), to deal
10 in the Software without restriction, including without limitation the rights
11 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 copies of the Software, and to permit persons to whom the Software is
13 furnished to do so, subject to the following conditions:
14 
15 The above copyright notice and this permission notice shall be included in
16 all copies or substantial portions of the Software.
17 
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 THE 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 
38 
39  typedef struct PCF_TableRec_
40  {
45 
47 
48 
49  typedef struct PCF_TocRec_
50  {
54 
55  } PCF_TocRec, *PCF_Toc;
56 
57 
58  typedef struct PCF_ParsePropertyRec_
59  {
63 
65 
66 
67  typedef struct PCF_PropertyRec_
68  {
71 
72  union
73  {
77 
78  } value;
79 
81 
82 
84  {
90 
92 
93 
94  typedef struct PCF_MetricRec_
95  {
103 
105 
106 
107  typedef struct PCF_AccelRec_
108  {
123 
125 
126 
127  typedef struct PCF_EncodingRec_
128  {
131 
133 
134 
135  typedef struct PCF_FaceRec_
136  {
138 
141 
144 
147 
148  int nprops;
149  PCF_Property properties;
150 
152  PCF_Metric metrics;
154  PCF_Encoding encodings;
155 
157 
159 
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 0xFFFFFF00UL
175 
176 #define PCF_DEFAULT_FORMAT 0x00000000UL
177 #define PCF_INKBOUNDS 0x00000200UL
178 #define PCF_ACCEL_W_INKBOUNDS 0x00000100UL
179 #define PCF_COMPRESSED_METRICS 0x00000100UL
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 )
230  PCF_Face );
231 
233 
234 #endif /* __PCF_H__ */
235 
236 
237 /* END */
FT_Byte constantWidth
Definition: pcf.h:112
FT_FaceRec root
Definition: pcf.h:137
struct PCF_PropertyRec_ * PCF_Property
struct PCF_PropertyRec_ PCF_PropertyRec
int FT_Error
Definition: fttypes.h:296
FT_Short rightSideBearing
Definition: pcf.h:97
signed long FT_Long
Definition: fttypes.h:238
FT_Byte inkMetrics
Definition: pcf.h:114
struct PCF_EncodingRec_ * PCF_Encoding
FT_Stream comp_source
Definition: pcf.h:140
unsigned long FT_ULong
Definition: fttypes.h:249
struct PCF_FaceRec_ * PCF_Face
#define FT_END_HEADER
Definition: ftheader.h:54
struct PCF_AccelRec_ * PCF_Accel
char * charset_registry
Definition: pcf.h:143
FT_Long nmetrics
Definition: pcf.h:151
struct PCF_Compressed_MetricRec_ * PCF_Compressed_Metric
struct PCF_MetricRec_ PCF_MetricRec
FT_Byte terminalFont
Definition: pcf.h:111
struct PCF_FaceRec_ PCF_FaceRec
FT_BEGIN_HEADER struct PCF_TableRec_ * PCF_Table
FT_Short attributes
Definition: pcf.h:101
FT_BEGIN_HEADER struct PCF_TableRec_ PCF_TableRec
struct PCF_EncodingRec_ PCF_EncodingRec
struct PCF_MetricRec_ * PCF_Metric
struct PCF_TocRec_ PCF_TocRec
FT_ULong ul
Definition: pcf.h:76
FT_String * name
Definition: pcf.h:69
PCF_MetricRec ink_maxbounds
Definition: pcf.h:122
FT_Long maxOverlap
Definition: pcf.h:118
struct PCF_ParsePropertyRec_ * PCF_ParseProperty
FT_String * atom
Definition: pcf.h:74
FT_ULong format
Definition: pcf.h:42
unsigned char FT_Byte
Definition: fttypes.h:150
#define FT_BEGIN_HEADER
Definition: ftheader.h:36
int nprops
Definition: pcf.h:148
union PCF_PropertyRec_::@37 value
FT_Long fontDescent
Definition: pcf.h:117
#define FT_LOCAL(x)
Definition: ftconfig.h:466
FT_ULong size
Definition: pcf.h:43
FT_Byte leftSideBearing
Definition: pcf.h:85
PCF_Encoding encodings
Definition: pcf.h:154
FT_Long fontAscent
Definition: pcf.h:116
FT_CharMap charmap_handle
Definition: pcf.h:160
char * charset_encoding
Definition: pcf.h:142
FT_Long enc
Definition: pcf.h:129
FT_UShort glyph
Definition: pcf.h:130
char FT_String
Definition: fttypes.h:183
FT_ULong version
Definition: pcf.h:51
FT_StreamRec comp_stream
Definition: pcf.h:139
PCF_MetricRec ink_minbounds
Definition: pcf.h:121
FT_Byte isString
Definition: pcf.h:70
FT_Byte inkInside
Definition: pcf.h:113
FT_ULong type
Definition: pcf.h:41
FT_Short characterWidth
Definition: pcf.h:98
FT_Short descent
Definition: pcf.h:100
FT_Long nencodings
Definition: pcf.h:153
struct PCF_Compressed_MetricRec_ PCF_Compressed_MetricRec
FT_Byte noOverlap
Definition: pcf.h:109
signed short FT_Short
Definition: fttypes.h:194
FT_Short leftSideBearing
Definition: pcf.h:96
FT_Short ascent
Definition: pcf.h:99
FT_Short defaultChar
Definition: pcf.h:156
PCF_AccelRec accel
Definition: pcf.h:146
PCF_MetricRec minbounds
Definition: pcf.h:119
FT_Byte drawDirection
Definition: pcf.h:115
FT_Long name
Definition: pcf.h:60
pcf_load_font(FT_Stream, PCF_Face)
Definition: pcfread.c:1105
struct PCF_TocRec_ * PCF_Toc
PCF_TocRec toc
Definition: pcf.h:145
FT_Byte rightSideBearing
Definition: pcf.h:86
FT_ULong offset
Definition: pcf.h:44
PCF_Property properties
Definition: pcf.h:149
FT_Byte isString
Definition: pcf.h:61
FT_ULong bits
Definition: pcf.h:102
struct PCF_ParsePropertyRec_ PCF_ParsePropertyRec
FT_CharMapRec charmap
Definition: pcf.h:161
FT_Byte characterWidth
Definition: pcf.h:87
FT_ULong bitmapsFormat
Definition: pcf.h:158
PCF_Table tables
Definition: pcf.h:53
struct PCF_AccelRec_ PCF_AccelRec
unsigned short FT_UShort
Definition: fttypes.h:205
FT_ULong count
Definition: pcf.h:52
PCF_MetricRec maxbounds
Definition: pcf.h:120
FT_Byte constantMetrics
Definition: pcf.h:110
FT_Long l
Definition: pcf.h:75
FT_Long value
Definition: pcf.h:62
PCF_Metric metrics
Definition: pcf.h:152