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view libs/ft2static/freetype/internal/t1types.h @ 0:b2f14e535253
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| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 01 Feb 2014 19:58:19 +0200 |
| parents | |
| children |
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1 /***************************************************************************/
2 /* */
3 /* t1types.h */
4 /* */
5 /* Basic Type1/Type2 type definitions and interface (specification */
6 /* only). */
7 /* */
8 /* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008, 2009 by */
9 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
10 /* */
11 /* This file is part of the FreeType project, and may only be used, */
12 /* modified, and distributed under the terms of the FreeType project */
13 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
14 /* this file you indicate that you have read the license and */
15 /* understand and accept it fully. */
16 /* */
17 /***************************************************************************/
20 #ifndef __T1TYPES_H__
21 #define __T1TYPES_H__
24 #include <ft2build.h>
25 #include FT_TYPE1_TABLES_H
26 #include FT_INTERNAL_POSTSCRIPT_HINTS_H
27 #include FT_INTERNAL_SERVICE_H
28 #include FT_SERVICE_POSTSCRIPT_CMAPS_H
31 FT_BEGIN_HEADER
34 /*************************************************************************/
35 /*************************************************************************/
36 /*************************************************************************/
37 /*** ***/
38 /*** ***/
39 /*** REQUIRED TYPE1/TYPE2 TABLES DEFINITIONS ***/
40 /*** ***/
41 /*** ***/
42 /*************************************************************************/
43 /*************************************************************************/
44 /*************************************************************************/
47 /*************************************************************************/
48 /* */
49 /* <Struct> */
50 /* T1_EncodingRec */
51 /* */
52 /* <Description> */
53 /* A structure modeling a custom encoding. */
54 /* */
55 /* <Fields> */
56 /* num_chars :: The number of character codes in the encoding. */
57 /* Usually 256. */
58 /* */
59 /* code_first :: The lowest valid character code in the encoding. */
60 /* */
61 /* code_last :: The highest valid character code in the encoding */
62 /* + 1. When equal to code_first there are no valid */
63 /* character codes. */
64 /* */
65 /* char_index :: An array of corresponding glyph indices. */
66 /* */
67 /* char_name :: An array of corresponding glyph names. */
68 /* */
69 typedef struct T1_EncodingRecRec_
70 {
71 FT_Int num_chars;
72 FT_Int code_first;
73 FT_Int code_last;
75 FT_UShort* char_index;
76 FT_String** char_name;
78 } T1_EncodingRec, *T1_Encoding;
81 typedef enum T1_EncodingType_
82 {
83 T1_ENCODING_TYPE_NONE = 0,
84 T1_ENCODING_TYPE_ARRAY,
85 T1_ENCODING_TYPE_STANDARD,
86 T1_ENCODING_TYPE_ISOLATIN1,
87 T1_ENCODING_TYPE_EXPERT
89 } T1_EncodingType;
92 /* used to hold extra data of PS_FontInfoRec that
93 * cannot be stored in the publicly defined structure.
94 *
95 * Note these can't be blended with multiple-masters.
96 */
97 typedef struct PS_FontExtraRec_
98 {
99 FT_UShort fs_type;
101 } PS_FontExtraRec;
104 typedef struct T1_FontRec_
105 {
106 PS_FontInfoRec font_info; /* font info dictionary */
107 PS_FontExtraRec font_extra; /* font info extra fields */
108 PS_PrivateRec private_dict; /* private dictionary */
109 FT_String* font_name; /* top-level dictionary */
111 T1_EncodingType encoding_type;
112 T1_EncodingRec encoding;
114 FT_Byte* subrs_block;
115 FT_Byte* charstrings_block;
116 FT_Byte* glyph_names_block;
118 FT_Int num_subrs;
119 FT_Byte** subrs;
120 FT_PtrDist* subrs_len;
122 FT_Int num_glyphs;
123 FT_String** glyph_names; /* array of glyph names */
124 FT_Byte** charstrings; /* array of glyph charstrings */
125 FT_PtrDist* charstrings_len;
127 FT_Byte paint_type;
128 FT_Byte font_type;
129 FT_Matrix font_matrix;
130 FT_Vector font_offset;
131 FT_BBox font_bbox;
132 FT_Long font_id;
134 FT_Fixed stroke_width;
136 } T1_FontRec, *T1_Font;
139 typedef struct CID_SubrsRec_
140 {
141 FT_UInt num_subrs;
142 FT_Byte** code;
144 } CID_SubrsRec, *CID_Subrs;
147 /*************************************************************************/
148 /*************************************************************************/
149 /*************************************************************************/
150 /*** ***/
151 /*** ***/
152 /*** AFM FONT INFORMATION STRUCTURES ***/
153 /*** ***/
154 /*** ***/
155 /*************************************************************************/
156 /*************************************************************************/
157 /*************************************************************************/
159 typedef struct AFM_TrackKernRec_
160 {
161 FT_Int degree;
162 FT_Fixed min_ptsize;
163 FT_Fixed min_kern;
164 FT_Fixed max_ptsize;
165 FT_Fixed max_kern;
167 } AFM_TrackKernRec, *AFM_TrackKern;
169 typedef struct AFM_KernPairRec_
170 {
171 FT_Int index1;
172 FT_Int index2;
173 FT_Int x;
174 FT_Int y;
176 } AFM_KernPairRec, *AFM_KernPair;
178 typedef struct AFM_FontInfoRec_
179 {
180 FT_Bool IsCIDFont;
181 FT_BBox FontBBox;
182 FT_Fixed Ascender;
183 FT_Fixed Descender;
184 AFM_TrackKern TrackKerns; /* free if non-NULL */
185 FT_Int NumTrackKern;
186 AFM_KernPair KernPairs; /* free if non-NULL */
187 FT_Int NumKernPair;
189 } AFM_FontInfoRec, *AFM_FontInfo;
192 /*************************************************************************/
193 /*************************************************************************/
194 /*************************************************************************/
195 /*** ***/
196 /*** ***/
197 /*** ORIGINAL T1_FACE CLASS DEFINITION ***/
198 /*** ***/
199 /*** ***/
200 /*************************************************************************/
201 /*************************************************************************/
202 /*************************************************************************/
205 typedef struct T1_FaceRec_* T1_Face;
206 typedef struct CID_FaceRec_* CID_Face;
209 typedef struct T1_FaceRec_
210 {
211 FT_FaceRec root;
212 T1_FontRec type1;
213 const void* psnames;
214 const void* psaux;
215 const void* afm_data;
216 FT_CharMapRec charmaprecs[2];
217 FT_CharMap charmaps[2];
219 #ifdef FT_CONFIG_OPTION_OLD_INTERNALS
220 PS_Unicodes unicode_map;
221 #endif
223 /* support for Multiple Masters fonts */
224 PS_Blend blend;
226 /* undocumented, optional: indices of subroutines that express */
227 /* the NormalizeDesignVector and the ConvertDesignVector procedure, */
228 /* respectively, as Type 2 charstrings; -1 if keywords not present */
229 FT_Int ndv_idx;
230 FT_Int cdv_idx;
232 /* undocumented, optional: has the same meaning as len_buildchar */
233 /* for Type 2 fonts; manipulated by othersubrs 19, 24, and 25 */
234 FT_UInt len_buildchar;
235 FT_Long* buildchar;
237 /* since version 2.1 - interface to PostScript hinter */
238 const void* pshinter;
240 } T1_FaceRec;
243 typedef struct CID_FaceRec_
244 {
245 FT_FaceRec root;
246 void* psnames;
247 void* psaux;
248 CID_FaceInfoRec cid;
249 PS_FontExtraRec font_extra;
250 #if 0
251 void* afm_data;
252 #endif
253 CID_Subrs subrs;
255 /* since version 2.1 - interface to PostScript hinter */
256 void* pshinter;
258 /* since version 2.1.8, but was originally positioned after `afm_data' */
259 FT_Byte* binary_data; /* used if hex data has been converted */
260 FT_Stream cid_stream;
262 } CID_FaceRec;
265 FT_END_HEADER
267 #endif /* __T1TYPES_H__ */
270 /* END */