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source: trunk/poppler/freetype2/include/freetype/internal/t1types.h @ 262

Last change on this file since 262 was 262, checked in by Eugene Romanenko, 12 years ago
PDF plugin: freetype library updated to version 2.3.8
File size: 9.6 KB

Line
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 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	/***************************************************************************/
18
19
20	#ifndef __T1TYPES_H__
21	#define __T1TYPES_H__
22
23
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
29
30
31	FT_BEGIN_HEADER
32
33
34	/*************************************************************************/
35	/*************************************************************************/
36	/*************************************************************************/
37	/* */
38	/* */
39	/* REQUIRED TYPE1/TYPE2 TABLES DEFINITIONS */
40	/* */
41	/* */
42	/*************************************************************************/
43	/*************************************************************************/
44	/*************************************************************************/
45
46
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	/* */
63	/* char_index :: An array of corresponding glyph indices. */
64	/* */
65	/* char_name :: An array of corresponding glyph names. */
66	/* */
67	typedef struct T1_EncodingRecRec_
68	{
69	FT_Int num_chars;
70	FT_Int code_first;
71	FT_Int code_last;
72
73	FT_UShort* char_index;
74	FT_String** char_name;
75
76	} T1_EncodingRec, *T1_Encoding;
77
78
79	typedef enum T1_EncodingType_
80	{
81	T1_ENCODING_TYPE_NONE = 0,
82	T1_ENCODING_TYPE_ARRAY,
83	T1_ENCODING_TYPE_STANDARD,
84	T1_ENCODING_TYPE_ISOLATIN1,
85	T1_ENCODING_TYPE_EXPERT
86
87	} T1_EncodingType;
88
89
90	typedef struct T1_FontRec_
91	{
92	PS_FontInfoRec font_info; /* font info dictionary */
93	PS_PrivateRec private_dict; /* private dictionary */
94	FT_String* font_name; /* top-level dictionary */
95
96	T1_EncodingType encoding_type;
97	T1_EncodingRec encoding;
98
99	FT_Byte* subrs_block;
100	FT_Byte* charstrings_block;
101	FT_Byte* glyph_names_block;
102
103	FT_Int num_subrs;
104	FT_Byte** subrs;
105	FT_PtrDist* subrs_len;
106
107	FT_Int num_glyphs;
108	FT_String** glyph_names; /* array of glyph names */
109	FT_Byte** charstrings; /* array of glyph charstrings */
110	FT_PtrDist* charstrings_len;
111
112	FT_Byte paint_type;
113	FT_Byte font_type;
114	FT_Matrix font_matrix;
115	FT_Vector font_offset;
116	FT_BBox font_bbox;
117	FT_Long font_id;
118
119	FT_Fixed stroke_width;
120
121	} T1_FontRec, *T1_Font;
122
123
124	typedef struct CID_SubrsRec_
125	{
126	FT_UInt num_subrs;
127	FT_Byte** code;
128
129	} CID_SubrsRec, *CID_Subrs;
130
131
132	/*************************************************************************/
133	/*************************************************************************/
134	/*************************************************************************/
135	/* */
136	/* */
137	/* AFM FONT INFORMATION STRUCTURES */
138	/* */
139	/* */
140	/*************************************************************************/
141	/*************************************************************************/
142	/*************************************************************************/
143
144	typedef struct AFM_TrackKernRec_
145	{
146	FT_Int degree;
147	FT_Fixed min_ptsize;
148	FT_Fixed min_kern;
149	FT_Fixed max_ptsize;
150	FT_Fixed max_kern;
151
152	} AFM_TrackKernRec, *AFM_TrackKern;
153
154	typedef struct AFM_KernPairRec_
155	{
156	FT_Int index1;
157	FT_Int index2;
158	FT_Int x;
159	FT_Int y;
160
161	} AFM_KernPairRec, *AFM_KernPair;
162
163	typedef struct AFM_FontInfoRec_
164	{
165	FT_Bool IsCIDFont;
166	FT_BBox FontBBox;
167	FT_Fixed Ascender;
168	FT_Fixed Descender;
169	AFM_TrackKern TrackKerns; /* free if non-NULL */
170	FT_Int NumTrackKern;
171	AFM_KernPair KernPairs; /* free if non-NULL */
172	FT_Int NumKernPair;
173
174	} AFM_FontInfoRec, *AFM_FontInfo;
175
176
177	/*************************************************************************/
178	/*************************************************************************/
179	/*************************************************************************/
180	/* */
181	/* */
182	/* ORIGINAL T1_FACE CLASS DEFINITION */
183	/* */
184	/* */
185	/*************************************************************************/
186	/*************************************************************************/
187	/*************************************************************************/
188
189
190	typedef struct T1_FaceRec_* T1_Face;
191	typedef struct CID_FaceRec_* CID_Face;
192
193
194	typedef struct T1_FaceRec_
195	{
196	FT_FaceRec root;
197	T1_FontRec type1;
198	const void* psnames;
199	const void* psaux;
200	const void* afm_data;
201	FT_CharMapRec charmaprecs[2];
202	FT_CharMap charmaps[2];
203
204	#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
205	PS_Unicodes unicode_map;
206	#endif
207
208	/* support for Multiple Masters fonts */
209	PS_Blend blend;
210
211	/* undocumented, optional: indices of subroutines that express */
212	/* the NormalizeDesignVector and the ConvertDesignVector procedure, */
213	/* respectively, as Type 2 charstrings; -1 if keywords not present */
214	FT_Int ndv_idx;
215	FT_Int cdv_idx;
216
217	/* undocumented, optional: has the same meaning as len_buildchar */
218	/* for Type 2 fonts; manipulated by othersubrs 19, 24, and 25 */
219	FT_UInt len_buildchar;
220	FT_Int* buildchar;
221
222	/* since version 2.1 - interface to PostScript hinter */
223	const void* pshinter;
224
225	} T1_FaceRec;
226
227
228	typedef struct CID_FaceRec_
229	{
230	FT_FaceRec root;
231	void* psnames;
232	void* psaux;
233	CID_FaceInfoRec cid;
234	#if 0
235	void* afm_data;
236	#endif
237	CID_Subrs subrs;
238
239	/* since version 2.1 - interface to PostScript hinter */
240	void* pshinter;
241
242	/* since version 2.1.8, but was originally positioned after `afm_data' */
243	FT_Byte* binary_data; /* used if hex data has been converted */
244	FT_Stream cid_stream;
245
246	} CID_FaceRec;
247
248
249	FT_END_HEADER
250
251	#endif /* __T1TYPES_H__ */
252
253
254	/* END */

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