ReactOS 0.4.15-dev-7928-g68a8619
cffcmap.c
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1/***************************************************************************/
2/* */
3/* cffcmap.c */
4/* */
5/* CFF character mapping table (cmap) support (body). */
6/* */
7/* Copyright 2002-2018 by */
8/* David Turner, Robert Wilhelm, and Werner Lemberg. */
9/* */
10/* This file is part of the FreeType project, and may only be used, */
11/* modified, and distributed under the terms of the FreeType project */
12/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13/* this file you indicate that you have read the license and */
14/* understand and accept it fully. */
15/* */
16/***************************************************************************/
17
18
19#include <ft2build.h>
20#include FT_INTERNAL_DEBUG_H
21#include "cffcmap.h"
22#include "cffload.h"
23
24#include "cfferrs.h"
25
26
27 /*************************************************************************/
28 /*************************************************************************/
29 /***** *****/
30 /***** CFF STANDARD (AND EXPERT) ENCODING CMAPS *****/
31 /***** *****/
32 /*************************************************************************/
33 /*************************************************************************/
34
38 {
40 CFF_Font cff = (CFF_Font)face->extra.data;
42
44
45
46 cmap->gids = encoding->codes;
47
48 return 0;
49 }
50
51
52 FT_CALLBACK_DEF( void )
54 {
55 cmap->gids = NULL;
56 }
57
58
61 FT_UInt32 char_code )
62 {
63 FT_UInt result = 0;
64
65
66 if ( char_code < 256 )
67 result = cmap->gids[char_code];
68
69 return result;
70 }
71
72
73 FT_CALLBACK_DEF( FT_UInt32 )
75 FT_UInt32 *pchar_code )
76 {
77 FT_UInt result = 0;
78 FT_UInt32 char_code = *pchar_code;
79
80
81 *pchar_code = 0;
82
83 if ( char_code < 255 )
84 {
85 FT_UInt code = (FT_UInt)(char_code + 1);
86
87
88 for (;;)
89 {
90 if ( code >= 256 )
91 break;
92
93 result = cmap->gids[code];
94 if ( result != 0 )
95 {
96 *pchar_code = code;
97 break;
98 }
99
100 code++;
101 }
102 }
103 return result;
104 }
105
106
108 cff_cmap_encoding_class_rec,
109
110 sizeof ( CFF_CMapStdRec ),
111
116
117 (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */
118 (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */
119 (FT_CMap_VariantListFunc) NULL, /* variant_list */
120 (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */
121 (FT_CMap_VariantCharListFunc) NULL /* variantchar_list */
122 )
123
124
125 /*************************************************************************/
126 /*************************************************************************/
127 /***** *****/
128 /***** CFF SYNTHETIC UNICODE ENCODING CMAP *****/
129 /***** *****/
130 /*************************************************************************/
131 /*************************************************************************/
132
133 FT_CALLBACK_DEF( const char* )
134 cff_sid_to_glyph_name( TT_Face face,
136 {
137 CFF_Font cff = (CFF_Font)face->extra.data;
140
141
143 }
144
145
149 {
150 TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes );
152 CFF_Font cff = (CFF_Font)face->extra.data;
154 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames;
155
157
158
159 /* can't build Unicode map for CID-keyed font */
160 /* because we don't know glyph names. */
161 if ( !charset->sids )
162 return FT_THROW( No_Unicode_Glyph_Name );
163
164 return psnames->unicodes_init( memory,
165 unicodes,
167 (PS_GetGlyphNameFunc)&cff_sid_to_glyph_name,
169 (FT_Pointer)face );
170 }
171
172
173 FT_CALLBACK_DEF( void )
175 {
176 FT_Face face = FT_CMAP_FACE( unicodes );
178
179
180 FT_FREE( unicodes->maps );
181 unicodes->num_maps = 0;
182 }
183
184
187 FT_UInt32 char_code )
188 {
189 TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes );
190 CFF_Font cff = (CFF_Font)face->extra.data;
191 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames;
192
193
194 return psnames->unicodes_char_index( unicodes, char_code );
195 }
196
197
198 FT_CALLBACK_DEF( FT_UInt32 )
200 FT_UInt32 *pchar_code )
201 {
202 TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes );
203 CFF_Font cff = (CFF_Font)face->extra.data;
204 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames;
205
206
207 return psnames->unicodes_char_next( unicodes, pchar_code );
208 }
209
210
212 cff_cmap_unicode_class_rec,
213
214 sizeof ( PS_UnicodesRec ),
215
220
221 (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */
222 (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */
223 (FT_CMap_VariantListFunc) NULL, /* variant_list */
224 (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */
225 (FT_CMap_VariantCharListFunc) NULL /* variantchar_list */
226 )
227
228
229/* END */
cff_cmap_encoding_init(CFF_CMapStd cmap, FT_Pointer pointer)
Definition: cffcmap.c:36
cff_cmap_encoding_char_index(CFF_CMapStd cmap, FT_UInt32 char_code)
Definition: cffcmap.c:60
cff_cmap_unicode_char_index(PS_Unicodes unicodes, FT_UInt32 char_code)
Definition: cffcmap.c:186
cff_cmap_encoding_done(CFF_CMapStd cmap)
Definition: cffcmap.c:53
FT_UInt sid
Definition: cffcmap.c:139
cff_cmap_unicode_done(PS_Unicodes unicodes)
Definition: cffcmap.c:174
return cff_index_get_sid_string(cff, sid)
cff_cmap_encoding_char_next(CFF_CMapStd cmap, FT_UInt32 *pchar_code)
Definition: cffcmap.c:74
cff_cmap_unicode_char_next(PS_Unicodes unicodes, FT_UInt32 *pchar_code)
Definition: cffcmap.c:199
cff_cmap_unicode_init(PS_Unicodes unicodes, FT_Pointer pointer)
Definition: cffcmap.c:147
FT_UInt idx
Definition: cffcmap.c:136
CFF_Charset charset
Definition: cffcmap.c:138
typedefFT_BEGIN_HEADER struct CFF_CMapStdRec_ * CFF_CMapStd
Definition: cffcmap.h:36
CFF_Font cff
Definition: cffdrivr.c:695
struct CFF_FontRec_ * CFF_Font
Definition: cfftypes.h:152
#define NULL
Definition: types.h:112
#define FT_CALLBACK_DEF(x)
Definition: ftconfig.h:533
#define FT_UNUSED(arg)
Definition: ftconfig.h:101
#define FT_THROW(e)
Definition: ftdebug.h:213
#define FT_FREE(ptr)
Definition: ftmemory.h:329
FT_UInt(* FT_CMap_CharNextFunc)(FT_CMap cmap, FT_UInt32 *achar_code)
Definition: ftobjs.h:181
FT_UInt(* FT_CMap_CharVarIndexFunc)(FT_CMap cmap, FT_CMap unicode_cmap, FT_UInt32 char_code, FT_UInt32 variant_selector)
Definition: ftobjs.h:185
FT_Bool(* FT_CMap_CharVarIsDefaultFunc)(FT_CMap cmap, FT_UInt32 char_code, FT_UInt32 variant_selector)
Definition: ftobjs.h:191
FT_UInt32 *(* FT_CMap_CharVariantListFunc)(FT_CMap cmap, FT_Memory mem, FT_UInt32 char_code)
Definition: ftobjs.h:200
#define FT_FACE_MEMORY(x)
Definition: ftobjs.h:636
#define FT_DEFINE_CMAP_CLASS( class_, size_, init_, done_, char_index_, char_next_, char_var_index_, char_var_default_, variant_list_, charvariant_list_, variantchar_list_)
Definition: ftobjs.h:236
FT_UInt32 *(* FT_CMap_VariantCharListFunc)(FT_CMap cmap, FT_Memory mem, FT_UInt32 variant_selector)
Definition: ftobjs.h:205
FT_UInt32 *(* FT_CMap_VariantListFunc)(FT_CMap cmap, FT_Memory mem)
Definition: ftobjs.h:196
FT_Error(* FT_CMap_InitFunc)(FT_CMap cmap, FT_Pointer init_data)
Definition: ftobjs.h:170
void(* FT_CMap_DoneFunc)(FT_CMap cmap)
Definition: ftobjs.h:174
FT_UInt(* FT_CMap_CharIndexFunc)(FT_CMap cmap, FT_UInt32 char_code)
Definition: ftobjs.h:177
#define FT_CMAP_FACE(x)
Definition: ftobjs.h:165
typedefFT_BEGIN_HEADER struct FT_MemoryRec_ * FT_Memory
Definition: ftsystem.h:66
int FT_Error
Definition: fttypes.h:300
unsigned int FT_UInt
Definition: fttypes.h:231
GLsizei const GLvoid * pointer
Definition: glext.h:5848
GLenum GLuint GLint GLenum face
Definition: glext.h:7025
GLuint64EXT * result
Definition: glext.h:11304
static char memory[1024 *256]
Definition: process.c:116
FT_UShort * sids
Definition: cfftypes.h:98
FT_Service_PsCMaps psnames
Definition: cfftypes.h:383
CFF_CharsetRec charset
Definition: cfftypes.h:355
CFF_EncodingRec encoding
Definition: cfftypes.h:354
FT_UInt num_glyphs
Definition: cfftypes.h:340
Definition: inflate.c:139
const char *(* PS_GetGlyphNameFunc)(FT_Pointer data, FT_UInt string_index)
Definition: svpscmap.h:78
void(* PS_FreeGlyphNameFunc)(FT_Pointer data, const char *name)
Definition: svpscmap.h:86
struct TT_FaceRec_ * TT_Face
Definition: tttypes.h:973
static char * encoding
Definition: xmllint.c:155