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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef TTGSUBTable_H | 7 #ifndef TTGSUBTable_H |
8 #define TTGSUBTable_H | 8 #define TTGSUBTable_H |
9 #include "../../fx_freetype.h" | 9 #include "../../fx_freetype.h" |
10 #include "../../../include/fxcrt/fx_basic.h" | 10 #include "../../../include/fxcrt/fx_basic.h" |
11 #include "common.h" | 11 #include "common.h" |
12 class CFX_GlyphMap | 12 class CFX_GlyphMap { |
13 { | 13 public: |
14 public: | 14 CFX_GlyphMap(); |
15 CFX_GlyphMap(); | 15 ~CFX_GlyphMap(); |
16 ~CFX_GlyphMap(); | 16 void SetAt(int key, int value); |
17 void» SetAt(int key, int value); | 17 FX_BOOL Lookup(int key, int& value); |
18 FX_BOOL» Lookup(int key, int &value); | 18 |
19 protected: | 19 protected: |
20 CFX_BinaryBuf» m_Buffer; | 20 CFX_BinaryBuf m_Buffer; |
21 }; | 21 }; |
22 class CFX_CTTGSUBTable : public CFX_Object | 22 class CFX_CTTGSUBTable : public CFX_Object { |
23 { | 23 public: |
24 public: | 24 CFX_CTTGSUBTable(void) : m_bFeautureMapLoad(FALSE), loaded(false){}; |
25 CFX_CTTGSUBTable(void): m_bFeautureMapLoad(FALSE), loaded(false) {}; | 25 CFX_CTTGSUBTable(FT_Bytes gsub) : m_bFeautureMapLoad(FALSE), loaded(false) { |
26 CFX_CTTGSUBTable(FT_Bytes gsub): m_bFeautureMapLoad(FALSE), loaded(false) | 26 LoadGSUBTable(gsub); |
27 { | 27 } |
28 LoadGSUBTable(gsub); | 28 virtual ~CFX_CTTGSUBTable() {} |
29 } | 29 bool IsOk(void) const { return loaded; } |
30 virtual ~CFX_CTTGSUBTable() {} | 30 bool LoadGSUBTable(FT_Bytes gsub); |
31 bool IsOk(void) const | 31 bool GetVerticalGlyph(TT_uint32_t glyphnum, TT_uint32_t* vglyphnum); |
32 { | 32 |
33 return loaded; | 33 private: |
34 } | 34 struct tt_gsub_header { |
35 bool LoadGSUBTable(FT_Bytes gsub); | 35 TT_uint32_t Version; |
36 bool GetVerticalGlyph(TT_uint32_t glyphnum, TT_uint32_t *vglyphnum); | 36 TT_uint16_t ScriptList; |
37 private: | 37 TT_uint16_t FeatureList; |
38 struct tt_gsub_header { | 38 TT_uint16_t LookupList; |
39 TT_uint32_t Version; | 39 }; |
40 TT_uint16_t ScriptList; | 40 struct TLangSys { |
41 TT_uint16_t FeatureList; | 41 TT_uint16_t LookupOrder; |
42 TT_uint16_t LookupList; | 42 TT_uint16_t ReqFeatureIndex; |
43 }; | 43 TT_uint16_t FeatureCount; |
44 struct TLangSys { | 44 TT_uint16_t* FeatureIndex; |
45 TT_uint16_t LookupOrder; | 45 TLangSys() |
46 TT_uint16_t ReqFeatureIndex; | 46 : LookupOrder(0), |
47 TT_uint16_t FeatureCount; | 47 ReqFeatureIndex(0), |
48 TT_uint16_t *FeatureIndex; | 48 FeatureCount(0), |
49 TLangSys(): LookupOrder(0), ReqFeatureIndex(0), FeatureCount(0), Feature
Index(NULL) {} | 49 FeatureIndex(NULL) {} |
50 ~TLangSys() | 50 ~TLangSys() { |
51 { | 51 if (FeatureIndex) { |
52 if(FeatureIndex) { | 52 delete[] FeatureIndex; |
53 delete[] FeatureIndex; | 53 } |
54 } | 54 } |
| 55 |
| 56 private: |
| 57 TLangSys(const TLangSys&); |
| 58 TLangSys& operator=(const TLangSys&); |
| 59 }; |
| 60 struct TLangSysRecord { |
| 61 TT_uint32_t LangSysTag; |
| 62 struct TLangSys LangSys; |
| 63 TLangSysRecord() : LangSysTag(0) {} |
| 64 |
| 65 private: |
| 66 TLangSysRecord(const TLangSysRecord&); |
| 67 TLangSysRecord& operator=(const TLangSysRecord&); |
| 68 }; |
| 69 struct TScript { |
| 70 TT_uint16_t DefaultLangSys; |
| 71 TT_uint16_t LangSysCount; |
| 72 struct TLangSysRecord* LangSysRecord; |
| 73 TScript() : DefaultLangSys(0), LangSysCount(0), LangSysRecord(NULL) {} |
| 74 ~TScript() { |
| 75 if (LangSysRecord) { |
| 76 delete[] LangSysRecord; |
| 77 } |
| 78 } |
| 79 |
| 80 private: |
| 81 TScript(const TScript&); |
| 82 TScript& operator=(const TScript&); |
| 83 }; |
| 84 struct TScriptRecord { |
| 85 TT_uint32_t ScriptTag; |
| 86 struct TScript Script; |
| 87 TScriptRecord() : ScriptTag(0) {} |
| 88 |
| 89 private: |
| 90 TScriptRecord(const TScriptRecord&); |
| 91 TScriptRecord& operator=(const TScriptRecord&); |
| 92 }; |
| 93 struct TScriptList { |
| 94 TT_uint16_t ScriptCount; |
| 95 struct TScriptRecord* ScriptRecord; |
| 96 TScriptList() : ScriptCount(0), ScriptRecord(NULL) {} |
| 97 ~TScriptList() { |
| 98 if (ScriptRecord) { |
| 99 delete[] ScriptRecord; |
| 100 } |
| 101 } |
| 102 |
| 103 private: |
| 104 TScriptList(const TScriptList&); |
| 105 TScriptList& operator=(const TScriptList&); |
| 106 }; |
| 107 struct TFeature { |
| 108 TT_uint16_t FeatureParams; |
| 109 int LookupCount; |
| 110 TT_uint16_t* LookupListIndex; |
| 111 TFeature() : FeatureParams(0), LookupCount(0), LookupListIndex(NULL) {} |
| 112 ~TFeature() { |
| 113 if (LookupListIndex) { |
| 114 delete[] LookupListIndex; |
| 115 } |
| 116 } |
| 117 |
| 118 private: |
| 119 TFeature(const TFeature&); |
| 120 TFeature& operator=(const TFeature&); |
| 121 }; |
| 122 struct TFeatureRecord { |
| 123 TT_uint32_t FeatureTag; |
| 124 struct TFeature Feature; |
| 125 TFeatureRecord() : FeatureTag(0) {} |
| 126 |
| 127 private: |
| 128 TFeatureRecord(const TFeatureRecord&); |
| 129 TFeatureRecord& operator=(const TFeatureRecord&); |
| 130 }; |
| 131 struct TFeatureList { |
| 132 int FeatureCount; |
| 133 struct TFeatureRecord* FeatureRecord; |
| 134 TFeatureList() : FeatureCount(0), FeatureRecord(NULL) {} |
| 135 ~TFeatureList() { |
| 136 if (FeatureRecord) { |
| 137 delete[] FeatureRecord; |
| 138 } |
| 139 } |
| 140 |
| 141 private: |
| 142 TFeatureList(const TFeatureList&); |
| 143 TFeatureList& operator=(const TFeatureList&); |
| 144 }; |
| 145 enum TLookupFlag { |
| 146 LOOKUPFLAG_RightToLeft = 0x0001, |
| 147 LOOKUPFLAG_IgnoreBaseGlyphs = 0x0002, |
| 148 LOOKUPFLAG_IgnoreLigatures = 0x0004, |
| 149 LOOKUPFLAG_IgnoreMarks = 0x0008, |
| 150 LOOKUPFLAG_Reserved = 0x00F0, |
| 151 LOOKUPFLAG_MarkAttachmentType = 0xFF00, |
| 152 }; |
| 153 struct TCoverageFormatBase { |
| 154 TT_uint16_t CoverageFormat; |
| 155 CFX_GlyphMap m_glyphMap; |
| 156 TCoverageFormatBase() : CoverageFormat(0) {} |
| 157 virtual ~TCoverageFormatBase() {} |
| 158 |
| 159 private: |
| 160 TCoverageFormatBase(const TCoverageFormatBase&); |
| 161 TCoverageFormatBase& operator=(const TCoverageFormatBase&); |
| 162 }; |
| 163 struct TCoverageFormat1 : public TCoverageFormatBase { |
| 164 TT_uint16_t GlyphCount; |
| 165 TT_uint16_t* GlyphArray; |
| 166 TCoverageFormat1() : GlyphCount(0), GlyphArray(NULL) { CoverageFormat = 1; } |
| 167 ~TCoverageFormat1() { |
| 168 if (GlyphArray) { |
| 169 delete[] GlyphArray; |
| 170 } |
| 171 } |
| 172 |
| 173 private: |
| 174 TCoverageFormat1(const TCoverageFormat1&); |
| 175 TCoverageFormat1& operator=(const TCoverageFormat1&); |
| 176 }; |
| 177 struct TRangeRecord { |
| 178 TT_uint16_t Start; |
| 179 TT_uint16_t End; |
| 180 TT_uint16_t StartCoverageIndex; |
| 181 TRangeRecord() : Start(0), End(0), StartCoverageIndex(0) {} |
| 182 friend bool operator>(const TRangeRecord& r1, const TRangeRecord& r2) { |
| 183 return r1.Start > r2.Start; |
| 184 } |
| 185 |
| 186 private: |
| 187 TRangeRecord(const TRangeRecord&); |
| 188 }; |
| 189 struct TCoverageFormat2 : public TCoverageFormatBase { |
| 190 TT_uint16_t RangeCount; |
| 191 struct TRangeRecord* RangeRecord; |
| 192 TCoverageFormat2() : RangeCount(0), RangeRecord(NULL) { |
| 193 CoverageFormat = 2; |
| 194 } |
| 195 ~TCoverageFormat2() { |
| 196 if (RangeRecord) { |
| 197 delete[] RangeRecord; |
| 198 } |
| 199 } |
| 200 |
| 201 private: |
| 202 TCoverageFormat2(const TCoverageFormat2&); |
| 203 TCoverageFormat2& operator=(const TCoverageFormat2&); |
| 204 }; |
| 205 struct TClassDefFormatBase { |
| 206 TT_uint16_t ClassFormat; |
| 207 TClassDefFormatBase() : ClassFormat(0) {} |
| 208 virtual ~TClassDefFormatBase() {} |
| 209 |
| 210 private: |
| 211 TClassDefFormatBase(const TClassDefFormatBase&); |
| 212 TClassDefFormatBase& operator=(const TClassDefFormatBase&); |
| 213 }; |
| 214 struct TClassDefFormat1 : public TClassDefFormatBase { |
| 215 TT_uint16_t StartGlyph; |
| 216 TT_uint16_t GlyphCount; |
| 217 TT_uint16_t* ClassValueArray; |
| 218 TClassDefFormat1() : StartGlyph(0), GlyphCount(0), ClassValueArray(NULL) { |
| 219 ClassFormat = 1; |
| 220 } |
| 221 ~TClassDefFormat1() { |
| 222 if (ClassValueArray) { |
| 223 delete[] ClassValueArray; |
| 224 } |
| 225 } |
| 226 |
| 227 private: |
| 228 TClassDefFormat1(const TClassDefFormat1&); |
| 229 TClassDefFormat1& operator=(const TClassDefFormat1&); |
| 230 }; |
| 231 struct TClassRangeRecord { |
| 232 TT_uint16_t Start; |
| 233 TT_uint16_t End; |
| 234 TT_uint16_t Class; |
| 235 TClassRangeRecord() : Start(0), End(0), Class(0) {} |
| 236 |
| 237 private: |
| 238 TClassRangeRecord(const TClassRangeRecord&); |
| 239 TClassRangeRecord& operator=(const TClassRangeRecord&); |
| 240 }; |
| 241 struct TClassDefFormat2 : public TClassDefFormatBase { |
| 242 TT_uint16_t ClassRangeCount; |
| 243 struct TClassRangeRecord* ClassRangeRecord; |
| 244 TClassDefFormat2() : ClassRangeCount(0), ClassRangeRecord(NULL) { |
| 245 ClassFormat = 2; |
| 246 } |
| 247 ~TClassDefFormat2() { |
| 248 if (ClassRangeRecord) { |
| 249 delete[] ClassRangeRecord; |
| 250 } |
| 251 } |
| 252 |
| 253 private: |
| 254 TClassDefFormat2(const TClassDefFormat2&); |
| 255 TClassDefFormat2& operator=(const TClassDefFormat2&); |
| 256 }; |
| 257 struct TDevice { |
| 258 TT_uint16_t StartSize; |
| 259 TT_uint16_t EndSize; |
| 260 TT_uint16_t DeltaFormat; |
| 261 TDevice() : StartSize(0), EndSize(0), DeltaFormat(0) {} |
| 262 |
| 263 private: |
| 264 TDevice(const TDevice&); |
| 265 TDevice& operator=(const TDevice&); |
| 266 }; |
| 267 struct TSubTableBase { |
| 268 TT_uint16_t SubstFormat; |
| 269 TSubTableBase() : SubstFormat(0) {} |
| 270 virtual ~TSubTableBase() {} |
| 271 |
| 272 private: |
| 273 TSubTableBase(const TSubTableBase&); |
| 274 TSubTableBase& operator=(const TSubTableBase&); |
| 275 }; |
| 276 struct TSingleSubstFormat1 : public TSubTableBase { |
| 277 TCoverageFormatBase* Coverage; |
| 278 TT_int16_t DeltaGlyphID; |
| 279 TSingleSubstFormat1() : Coverage(NULL), DeltaGlyphID(0) { SubstFormat = 1; } |
| 280 ~TSingleSubstFormat1() { |
| 281 if (Coverage) { |
| 282 delete Coverage; |
| 283 } |
| 284 } |
| 285 |
| 286 private: |
| 287 TSingleSubstFormat1(const TSingleSubstFormat1&); |
| 288 TSingleSubstFormat1& operator=(const TSingleSubstFormat1&); |
| 289 }; |
| 290 struct TSingleSubstFormat2 : public TSubTableBase { |
| 291 TCoverageFormatBase* Coverage; |
| 292 TT_uint16_t GlyphCount; |
| 293 TT_uint16_t* Substitute; |
| 294 TSingleSubstFormat2() : Coverage(NULL), GlyphCount(0), Substitute(NULL) { |
| 295 SubstFormat = 2; |
| 296 } |
| 297 ~TSingleSubstFormat2() { |
| 298 if (Coverage) { |
| 299 delete Coverage; |
| 300 } |
| 301 if (Substitute) { |
| 302 delete[] Substitute; |
| 303 } |
| 304 } |
| 305 |
| 306 private: |
| 307 TSingleSubstFormat2(const TSingleSubstFormat2&); |
| 308 TSingleSubstFormat2& operator=(const TSingleSubstFormat2&); |
| 309 }; |
| 310 struct TLookup { |
| 311 TT_uint16_t LookupType; |
| 312 TT_uint16_t LookupFlag; |
| 313 TT_uint16_t SubTableCount; |
| 314 struct TSubTableBase** SubTable; |
| 315 TLookup() |
| 316 : LookupType(0), LookupFlag(0), SubTableCount(0), SubTable(NULL) {} |
| 317 ~TLookup() { |
| 318 if (SubTableCount > 0 && SubTable != NULL) { |
| 319 for (int i = 0; i < SubTableCount; i++) { |
| 320 delete SubTable[i]; |
55 } | 321 } |
56 private: | 322 delete[] SubTable; |
57 TLangSys(const TLangSys&); | 323 } |
58 TLangSys& operator=(const TLangSys&); | 324 } |
59 }; | 325 |
60 struct TLangSysRecord { | 326 private: |
61 TT_uint32_t LangSysTag; | 327 TLookup(const TLookup&); |
62 struct TLangSys LangSys; | 328 TLookup& operator=(const TLookup&); |
63 TLangSysRecord(): LangSysTag(0) {} | 329 }; |
64 private: | 330 struct TLookupList { |
65 TLangSysRecord(const TLangSysRecord&); | 331 int LookupCount; |
66 TLangSysRecord& operator=(const TLangSysRecord&); | 332 struct TLookup* Lookup; |
67 }; | 333 TLookupList() : LookupCount(0), Lookup(NULL) {} |
68 struct TScript { | 334 ~TLookupList() { |
69 TT_uint16_t DefaultLangSys; | 335 if (Lookup) { |
70 TT_uint16_t LangSysCount; | 336 delete[] Lookup; |
71 struct TLangSysRecord *LangSysRecord; | 337 } |
72 TScript(): DefaultLangSys(0), LangSysCount(0), LangSysRecord(NULL) {} | 338 } |
73 ~TScript() | 339 |
74 { | 340 private: |
75 if(LangSysRecord) { | 341 TLookupList(const TLookupList&); |
76 delete[] LangSysRecord; | 342 TLookupList& operator=(const TLookupList&); |
77 } | 343 }; |
78 } | 344 bool Parse(FT_Bytes scriptlist, FT_Bytes featurelist, FT_Bytes lookuplist); |
79 private: | 345 void ParseScriptList(FT_Bytes raw, TScriptList* rec); |
80 TScript(const TScript&); | 346 void ParseScript(FT_Bytes raw, TScript* rec); |
81 TScript& operator=(const TScript&); | 347 void ParseLangSys(FT_Bytes raw, TLangSys* rec); |
82 }; | 348 void ParseFeatureList(FT_Bytes raw, TFeatureList* rec); |
83 struct TScriptRecord { | 349 void ParseFeature(FT_Bytes raw, TFeature* rec); |
84 TT_uint32_t ScriptTag; | 350 void ParseLookupList(FT_Bytes raw, TLookupList* rec); |
85 struct TScript Script; | 351 void ParseLookup(FT_Bytes raw, TLookup* rec); |
86 TScriptRecord(): ScriptTag(0) {} | 352 void ParseCoverage(FT_Bytes raw, TCoverageFormatBase** rec); |
87 private: | 353 void ParseCoverageFormat1(FT_Bytes raw, TCoverageFormat1* rec); |
88 TScriptRecord(const TScriptRecord&); | 354 void ParseCoverageFormat2(FT_Bytes raw, TCoverageFormat2* rec); |
89 TScriptRecord& operator=(const TScriptRecord&); | 355 void ParseSingleSubst(FT_Bytes raw, TSubTableBase** rec); |
90 }; | 356 void ParseSingleSubstFormat1(FT_Bytes raw, TSingleSubstFormat1* rec); |
91 struct TScriptList { | 357 void ParseSingleSubstFormat2(FT_Bytes raw, TSingleSubstFormat2* rec); |
92 TT_uint16_t ScriptCount; | 358 bool GetVerticalGlyphSub(TT_uint32_t glyphnum, |
93 struct TScriptRecord *ScriptRecord; | 359 TT_uint32_t* vglyphnum, |
94 TScriptList(): ScriptCount(0), ScriptRecord(NULL) {} | 360 struct TFeature* Feature); |
95 ~TScriptList() | 361 bool GetVerticalGlyphSub2(TT_uint32_t glyphnum, |
96 { | 362 TT_uint32_t* vglyphnum, |
97 if(ScriptRecord) { | 363 struct TLookup* Lookup); |
98 delete[] ScriptRecord; | 364 int GetCoverageIndex(struct TCoverageFormatBase* Coverage, TT_uint32_t g); |
99 } | 365 TT_uint8_t GetUInt8(FT_Bytes& p) const { |
100 } | 366 TT_uint8_t ret = p[0]; |
101 private: | 367 p += 1; |
102 TScriptList(const TScriptList&); | 368 return ret; |
103 TScriptList& operator=(const TScriptList&); | 369 } |
104 }; | 370 TT_int16_t GetInt16(FT_Bytes& p) const { |
105 struct TFeature { | 371 TT_uint16_t ret = p[0] << 8 | p[1]; |
106 TT_uint16_t FeatureParams; | 372 p += 2; |
107 int LookupCount; | 373 return *(TT_int16_t*)&ret; |
108 TT_uint16_t *LookupListIndex; | 374 } |
109 TFeature(): FeatureParams(0), LookupCount(0), LookupListIndex(NULL) {} | 375 TT_uint16_t GetUInt16(FT_Bytes& p) const { |
110 ~TFeature() | 376 TT_uint16_t ret = p[0] << 8 | p[1]; |
111 { | 377 p += 2; |
112 if(LookupListIndex) { | 378 return ret; |
113 delete[] LookupListIndex; | 379 } |
114 } | 380 TT_int32_t GetInt32(FT_Bytes& p) const { |
115 } | 381 TT_uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; |
116 private: | 382 p += 4; |
117 TFeature(const TFeature&); | 383 return *(TT_int32_t*)&ret; |
118 TFeature& operator=(const TFeature&); | 384 } |
119 }; | 385 TT_uint32_t GetUInt32(FT_Bytes& p) const { |
120 struct TFeatureRecord { | 386 TT_uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; |
121 TT_uint32_t FeatureTag; | 387 p += 4; |
122 struct TFeature Feature; | 388 return ret; |
123 TFeatureRecord(): FeatureTag(0) {} | 389 } |
124 private: | 390 CFX_CMapDWordToDWord m_featureMap; |
125 TFeatureRecord(const TFeatureRecord&); | 391 FX_BOOL m_bFeautureMapLoad; |
126 TFeatureRecord& operator=(const TFeatureRecord&); | 392 bool loaded; |
127 }; | 393 struct tt_gsub_header header; |
128 struct TFeatureList { | 394 struct TScriptList ScriptList; |
129 int FeatureCount; | 395 struct TFeatureList FeatureList; |
130 struct TFeatureRecord *FeatureRecord; | 396 struct TLookupList LookupList; |
131 TFeatureList(): FeatureCount(0), FeatureRecord(NULL) {} | |
132 ~TFeatureList() | |
133 { | |
134 if(FeatureRecord) { | |
135 delete[] FeatureRecord; | |
136 } | |
137 } | |
138 private: | |
139 TFeatureList(const TFeatureList&); | |
140 TFeatureList& operator=(const TFeatureList&); | |
141 }; | |
142 enum TLookupFlag { | |
143 LOOKUPFLAG_RightToLeft = 0x0001, | |
144 LOOKUPFLAG_IgnoreBaseGlyphs = 0x0002, | |
145 LOOKUPFLAG_IgnoreLigatures = 0x0004, | |
146 LOOKUPFLAG_IgnoreMarks = 0x0008, | |
147 LOOKUPFLAG_Reserved = 0x00F0, | |
148 LOOKUPFLAG_MarkAttachmentType = 0xFF00, | |
149 }; | |
150 struct TCoverageFormatBase { | |
151 TT_uint16_t CoverageFormat; | |
152 CFX_GlyphMap m_glyphMap; | |
153 TCoverageFormatBase(): CoverageFormat(0) {} | |
154 virtual ~TCoverageFormatBase() {} | |
155 private: | |
156 TCoverageFormatBase(const TCoverageFormatBase&); | |
157 TCoverageFormatBase& operator=(const TCoverageFormatBase&); | |
158 }; | |
159 struct TCoverageFormat1: public TCoverageFormatBase { | |
160 TT_uint16_t GlyphCount; | |
161 TT_uint16_t *GlyphArray; | |
162 TCoverageFormat1(): GlyphCount(0), GlyphArray(NULL) | |
163 { | |
164 CoverageFormat = 1; | |
165 } | |
166 ~TCoverageFormat1() | |
167 { | |
168 if(GlyphArray) { | |
169 delete[] GlyphArray; | |
170 } | |
171 } | |
172 private: | |
173 TCoverageFormat1(const TCoverageFormat1&); | |
174 TCoverageFormat1& operator=(const TCoverageFormat1&); | |
175 }; | |
176 struct TRangeRecord { | |
177 TT_uint16_t Start; | |
178 TT_uint16_t End; | |
179 TT_uint16_t StartCoverageIndex; | |
180 TRangeRecord(): Start(0), End(0), StartCoverageIndex(0) {} | |
181 friend bool operator > (const TRangeRecord &r1, const TRangeRecord &r2) | |
182 { | |
183 return r1.Start > r2.Start; | |
184 } | |
185 private: | |
186 TRangeRecord(const TRangeRecord&); | |
187 }; | |
188 struct TCoverageFormat2: public TCoverageFormatBase { | |
189 TT_uint16_t RangeCount; | |
190 struct TRangeRecord *RangeRecord; | |
191 TCoverageFormat2(): RangeCount(0), RangeRecord(NULL) | |
192 { | |
193 CoverageFormat = 2; | |
194 } | |
195 ~TCoverageFormat2() | |
196 { | |
197 if(RangeRecord) { | |
198 delete[] RangeRecord; | |
199 } | |
200 } | |
201 private: | |
202 TCoverageFormat2(const TCoverageFormat2&); | |
203 TCoverageFormat2& operator=(const TCoverageFormat2&); | |
204 }; | |
205 struct TClassDefFormatBase { | |
206 TT_uint16_t ClassFormat; | |
207 TClassDefFormatBase(): ClassFormat(0) {} | |
208 virtual ~TClassDefFormatBase() {} | |
209 private: | |
210 TClassDefFormatBase(const TClassDefFormatBase&); | |
211 TClassDefFormatBase& operator=(const TClassDefFormatBase&); | |
212 }; | |
213 struct TClassDefFormat1: public TClassDefFormatBase { | |
214 TT_uint16_t StartGlyph; | |
215 TT_uint16_t GlyphCount; | |
216 TT_uint16_t *ClassValueArray; | |
217 TClassDefFormat1(): StartGlyph(0), GlyphCount(0), ClassValueArray(NULL) | |
218 { | |
219 ClassFormat = 1; | |
220 } | |
221 ~TClassDefFormat1() | |
222 { | |
223 if(ClassValueArray) { | |
224 delete[] ClassValueArray; | |
225 } | |
226 } | |
227 private: | |
228 TClassDefFormat1(const TClassDefFormat1&); | |
229 TClassDefFormat1& operator=(const TClassDefFormat1&); | |
230 }; | |
231 struct TClassRangeRecord { | |
232 TT_uint16_t Start; | |
233 TT_uint16_t End; | |
234 TT_uint16_t Class; | |
235 TClassRangeRecord(): Start(0), End(0), Class(0) {} | |
236 private: | |
237 TClassRangeRecord(const TClassRangeRecord&); | |
238 TClassRangeRecord& operator=(const TClassRangeRecord&); | |
239 }; | |
240 struct TClassDefFormat2: public TClassDefFormatBase { | |
241 TT_uint16_t ClassRangeCount; | |
242 struct TClassRangeRecord *ClassRangeRecord; | |
243 TClassDefFormat2(): ClassRangeCount(0), ClassRangeRecord(NULL) | |
244 { | |
245 ClassFormat = 2; | |
246 } | |
247 ~TClassDefFormat2() | |
248 { | |
249 if(ClassRangeRecord) { | |
250 delete[] ClassRangeRecord; | |
251 } | |
252 } | |
253 private: | |
254 TClassDefFormat2(const TClassDefFormat2&); | |
255 TClassDefFormat2& operator=(const TClassDefFormat2&); | |
256 }; | |
257 struct TDevice { | |
258 TT_uint16_t StartSize; | |
259 TT_uint16_t EndSize; | |
260 TT_uint16_t DeltaFormat; | |
261 TDevice(): StartSize(0), EndSize(0), DeltaFormat(0) {} | |
262 private: | |
263 TDevice(const TDevice&); | |
264 TDevice& operator=(const TDevice&); | |
265 }; | |
266 struct TSubTableBase { | |
267 TT_uint16_t SubstFormat; | |
268 TSubTableBase(): SubstFormat(0) {} | |
269 virtual ~TSubTableBase() {} | |
270 private: | |
271 TSubTableBase(const TSubTableBase&); | |
272 TSubTableBase& operator=(const TSubTableBase&); | |
273 }; | |
274 struct TSingleSubstFormat1: public TSubTableBase { | |
275 TCoverageFormatBase *Coverage; | |
276 TT_int16_t DeltaGlyphID; | |
277 TSingleSubstFormat1(): Coverage(NULL), DeltaGlyphID(0) | |
278 { | |
279 SubstFormat = 1; | |
280 } | |
281 ~TSingleSubstFormat1() | |
282 { | |
283 if(Coverage) { | |
284 delete Coverage; | |
285 } | |
286 } | |
287 private: | |
288 TSingleSubstFormat1(const TSingleSubstFormat1&); | |
289 TSingleSubstFormat1& operator=(const TSingleSubstFormat1&); | |
290 }; | |
291 struct TSingleSubstFormat2: public TSubTableBase { | |
292 TCoverageFormatBase *Coverage; | |
293 TT_uint16_t GlyphCount; | |
294 TT_uint16_t *Substitute; | |
295 TSingleSubstFormat2(): Coverage(NULL), GlyphCount(0), Substitute(NULL) | |
296 { | |
297 SubstFormat = 2; | |
298 } | |
299 ~TSingleSubstFormat2() | |
300 { | |
301 if(Coverage) { | |
302 delete Coverage; | |
303 } | |
304 if(Substitute) { | |
305 delete[] Substitute; | |
306 } | |
307 } | |
308 private: | |
309 TSingleSubstFormat2(const TSingleSubstFormat2&); | |
310 TSingleSubstFormat2& operator=(const TSingleSubstFormat2&); | |
311 }; | |
312 struct TLookup { | |
313 TT_uint16_t LookupType; | |
314 TT_uint16_t LookupFlag; | |
315 TT_uint16_t SubTableCount; | |
316 struct TSubTableBase **SubTable; | |
317 TLookup(): LookupType(0), LookupFlag(0), SubTableCount(0), SubTable(NULL
) {} | |
318 ~TLookup() | |
319 { | |
320 if(SubTableCount > 0 && SubTable != NULL) { | |
321 for(int i = 0; i < SubTableCount; i++) { | |
322 delete SubTable[i]; | |
323 } | |
324 delete[] SubTable; | |
325 } | |
326 } | |
327 private: | |
328 TLookup(const TLookup&); | |
329 TLookup& operator=(const TLookup&); | |
330 }; | |
331 struct TLookupList { | |
332 int LookupCount; | |
333 struct TLookup *Lookup; | |
334 TLookupList(): LookupCount(0), Lookup(NULL) {} | |
335 ~TLookupList() | |
336 { | |
337 if(Lookup) { | |
338 delete[] Lookup; | |
339 } | |
340 } | |
341 private: | |
342 TLookupList(const TLookupList&); | |
343 TLookupList& operator=(const TLookupList&); | |
344 }; | |
345 bool Parse( | |
346 FT_Bytes scriptlist, | |
347 FT_Bytes featurelist, | |
348 FT_Bytes lookuplist); | |
349 void ParseScriptList(FT_Bytes raw, TScriptList *rec); | |
350 void ParseScript(FT_Bytes raw, TScript *rec); | |
351 void ParseLangSys(FT_Bytes raw, TLangSys *rec); | |
352 void ParseFeatureList(FT_Bytes raw, TFeatureList *rec); | |
353 void ParseFeature(FT_Bytes raw, TFeature *rec); | |
354 void ParseLookupList(FT_Bytes raw, TLookupList *rec); | |
355 void ParseLookup(FT_Bytes raw, TLookup *rec); | |
356 void ParseCoverage(FT_Bytes raw, TCoverageFormatBase **rec); | |
357 void ParseCoverageFormat1(FT_Bytes raw, TCoverageFormat1 *rec); | |
358 void ParseCoverageFormat2(FT_Bytes raw, TCoverageFormat2 *rec); | |
359 void ParseSingleSubst(FT_Bytes raw, TSubTableBase **rec); | |
360 void ParseSingleSubstFormat1(FT_Bytes raw, TSingleSubstFormat1 *rec); | |
361 void ParseSingleSubstFormat2(FT_Bytes raw, TSingleSubstFormat2 *rec); | |
362 bool GetVerticalGlyphSub( | |
363 TT_uint32_t glyphnum, | |
364 TT_uint32_t *vglyphnum, | |
365 struct TFeature *Feature); | |
366 bool GetVerticalGlyphSub2( | |
367 TT_uint32_t glyphnum, | |
368 TT_uint32_t *vglyphnum, | |
369 struct TLookup *Lookup); | |
370 int GetCoverageIndex(struct TCoverageFormatBase *Coverage, TT_uint32_t g); | |
371 TT_uint8_t GetUInt8(FT_Bytes& p) const | |
372 { | |
373 TT_uint8_t ret = p[0]; | |
374 p += 1; | |
375 return ret; | |
376 } | |
377 TT_int16_t GetInt16(FT_Bytes& p) const | |
378 { | |
379 TT_uint16_t ret = p[0] << 8 | p[1]; | |
380 p += 2; | |
381 return *(TT_int16_t*)&ret; | |
382 } | |
383 TT_uint16_t GetUInt16(FT_Bytes& p) const | |
384 { | |
385 TT_uint16_t ret = p[0] << 8 | p[1]; | |
386 p += 2; | |
387 return ret; | |
388 } | |
389 TT_int32_t GetInt32(FT_Bytes& p) const | |
390 { | |
391 TT_uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; | |
392 p += 4; | |
393 return *(TT_int32_t*)&ret; | |
394 } | |
395 TT_uint32_t GetUInt32(FT_Bytes& p) const | |
396 { | |
397 TT_uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; | |
398 p += 4; | |
399 return ret; | |
400 } | |
401 CFX_CMapDWordToDWord m_featureMap; | |
402 FX_BOOL m_bFeautureMapLoad; | |
403 bool loaded; | |
404 struct tt_gsub_header header; | |
405 struct TScriptList ScriptList; | |
406 struct TFeatureList FeatureList; | |
407 struct TLookupList LookupList; | |
408 }; | 397 }; |
409 class CFX_GSUBTable FX_FINAL : public IFX_GSUBTable, public CFX_Object | 398 class CFX_GSUBTable FX_FINAL : public IFX_GSUBTable, public CFX_Object { |
410 { | 399 public: |
411 public: | 400 virtual void Release() { delete this; } |
412 virtual void» Release() | 401 virtual FX_BOOL GetVerticalGlyph(FX_DWORD glyphnum, FX_DWORD* vglyphnum); |
413 { | 402 CFX_CTTGSUBTable m_GsubImp; |
414 delete this; | |
415 } | |
416 virtual FX_BOOL GetVerticalGlyph(FX_DWORD glyphnum, FX_DWORD* vglyphnum); | |
417 CFX_CTTGSUBTable m_GsubImp; | |
418 }; | 403 }; |
419 #endif | 404 #endif |
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