1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #include "../../../include/fpdfapi/fpdf_module.h"
8 #include "../../../include/fpdfapi/fpdf_page.h"
9 #include "font_int.h"
10 #include "../fpdf_cmaps/cmap_int.h"
11 #include "../../../include/fxge/fx_ge.h"
12 #include "../../../include/fxge/fx_freetype.h"
13 extern FX_DWORD FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode);
14 extern short TT2PDF(int m, FXFT_Face face);
15 extern FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id);
16 extern FX_LPCSTR GetAdobeCharName(int iBaseEncoding, const CFX_ByteString* pCharNames, int charcode);
CPDF_CMapManager()17 CPDF_CMapManager::CPDF_CMapManager()
18 {
19     m_bPrompted = FALSE;
20     FXSYS_memset32(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps);
21 }
~CPDF_CMapManager()22 CPDF_CMapManager::~CPDF_CMapManager()
23 {
24     DropAll(FALSE);
25 }
GetPredefinedCMap(const CFX_ByteString & name,FX_BOOL bPromptCJK)26 CPDF_CMap* CPDF_CMapManager::GetPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK)
27 {
28     CPDF_CMap* pCMap;
29     if (m_CMaps.Lookup(name, (FX_LPVOID&)pCMap)) {
30         return pCMap;
31     }
32     pCMap = LoadPredefinedCMap(name, bPromptCJK);
33     if (name.IsEmpty()) {
34         return pCMap;
35     }
36     m_CMaps.SetAt(name, pCMap);
37     return pCMap;
38 }
LoadPredefinedCMap(const CFX_ByteString & name,FX_BOOL bPromptCJK)39 CPDF_CMap* CPDF_CMapManager::LoadPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK)
40 {
41     CPDF_CMap* pCMap = new CPDF_CMap;
42     FX_LPCSTR pname = name;
43     if (*pname == '/') {
44         pname ++;
45     }
46     pCMap->LoadPredefined(this, pname, bPromptCJK);
47     return pCMap;
48 }
49 static const FX_LPCSTR g_CharsetNames[NUMBER_OF_CIDSETS] = {NULL, "GB1", "CNS1", "Japan1", "Korea1", "UCS" };
50 static const int g_CharsetCPs[NUMBER_OF_CIDSETS] = {0, 936, 950, 932, 949, 1200 };
_CharsetFromOrdering(const CFX_ByteString & Ordering)51 int _CharsetFromOrdering(const CFX_ByteString& Ordering)
52 {
53 	for (int charset = 1; charset < NUMBER_OF_CIDSETS; charset++) {
54 		if (Ordering == CFX_ByteStringC(g_CharsetNames[charset]))
55 			return charset;
56 	}
57 	return CIDSET_UNKNOWN;
58 }
ReloadAll()59 void CPDF_CMapManager::ReloadAll()
60 {
61     DropAll(TRUE);
62 }
DropAll(FX_BOOL bReload)63 void CPDF_CMapManager::DropAll(FX_BOOL bReload)
64 {
65     FX_POSITION pos = m_CMaps.GetStartPosition();
66     while (pos) {
67         CFX_ByteString name;
68         CPDF_CMap* pCMap;
69         m_CMaps.GetNextAssoc(pos, name, (FX_LPVOID&)pCMap);
70         if (pCMap == NULL) {
71             continue;
72         }
73         if (bReload) {
74             pCMap->LoadPredefined(this, name, FALSE);
75         } else {
76             delete pCMap;
77         }
78     }
79     for (int i = 0; i < sizeof m_CID2UnicodeMaps / sizeof(CPDF_CID2UnicodeMap*); i ++) {
80         CPDF_CID2UnicodeMap* pMap = m_CID2UnicodeMaps[i];
81         if (pMap == NULL) {
82             continue;
83         }
84         if (bReload) {
85             pMap->Load(this, i, FALSE);
86         } else {
87             delete pMap;
88         }
89     }
90 }
GetCID2UnicodeMap(int charset,FX_BOOL bPromptCJK)91 CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(int charset, FX_BOOL bPromptCJK)
92 {
93     if (m_CID2UnicodeMaps[charset] == NULL) {
94         m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK);
95     }
96     return m_CID2UnicodeMaps[charset];
97 }
LoadCID2UnicodeMap(int charset,FX_BOOL bPromptCJK)98 CPDF_CID2UnicodeMap* CPDF_CMapManager::LoadCID2UnicodeMap(int charset, FX_BOOL bPromptCJK)
99 {
100     CPDF_CID2UnicodeMap* pMap = new CPDF_CID2UnicodeMap();
101     if (!pMap->Initialize()) {
102         delete pMap;
103         return NULL;
104     }
105     pMap->Load(this, charset, bPromptCJK);
106     return pMap;
107 }
CPDF_CMapParser()108 CPDF_CMapParser::CPDF_CMapParser()
109 {
110     m_pCMap = NULL;
111     m_Status = 0;
112     m_CodeSeq = 0;
113 }
Initialize(CPDF_CMap * pCMap)114 FX_BOOL	CPDF_CMapParser::Initialize(CPDF_CMap* pCMap)
115 {
116     m_pCMap = pCMap;
117     m_Status = 0;
118     m_CodeSeq = 0;
119     m_AddMaps.EstimateSize(0, 10240);
120     return TRUE;
121 }
CMap_GetCode(FX_BSTR word)122 static FX_DWORD CMap_GetCode(FX_BSTR word)
123 {
124     int num = 0;
125     if (word.GetAt(0) == '<') {
126         for (int i = 1; i < word.GetLength(); i ++) {
127             FX_BYTE digit = word.GetAt(i);
128             if (digit >= '0' && digit <= '9') {
129                 digit = digit - '0';
130             } else if (digit >= 'a' && digit <= 'f') {
131                 digit = digit - 'a' + 10;
132             } else if (digit >= 'A' && digit <= 'F') {
133                 digit = digit - 'A' + 10;
134             } else {
135                 return num;
136             }
137             num = num * 16 + digit;
138         }
139     } else {
140         for (int i = 0; i < word.GetLength(); i ++) {
141             if (word.GetAt(i) < '0' || word.GetAt(i) > '9') {
142                 return num;
143             }
144             num = num * 10 + word.GetAt(i) - '0';
145         }
146     }
147     return num;
148 }
_CMap_GetCodeRange(_CMap_CodeRange & range,FX_BSTR first,FX_BSTR second)149 static FX_BOOL _CMap_GetCodeRange(_CMap_CodeRange& range, FX_BSTR first, FX_BSTR second)
150 {
151     if (first.GetLength() == 0 || first.GetAt(0) != '<') {
152         return FALSE;
153     }
154     int i;
155     for (i = 1; i < first.GetLength(); i ++)
156         if (first.GetAt(i) == '>') {
157             break;
158         }
159     range.m_CharSize = (i - 1) / 2;
160     if (range.m_CharSize > 4) {
161         return FALSE;
162     }
163     for (i = 0; i < range.m_CharSize; i ++) {
164         FX_BYTE digit1 = first.GetAt(i * 2 + 1);
165         FX_BYTE digit2 = first.GetAt(i * 2 + 2);
166         FX_BYTE byte = (digit1 >= '0' && digit1 <= '9') ? (digit1 - '0') : ((digit1 & 0xdf) - 'A' + 10);
167         byte = byte * 16 + ((digit2 >= '0' && digit2 <= '9') ? (digit2 - '0') : ((digit2 & 0xdf) - 'A' + 10));
168         range.m_Lower[i] = byte;
169     }
170     FX_DWORD size = second.GetLength();
171     for (i = 0; i < range.m_CharSize; i ++) {
172         FX_BYTE digit1 = ((FX_DWORD)i * 2 + 1 < size) ? second.GetAt((FX_STRSIZE)i * 2 + 1) : 0;
173         FX_BYTE digit2 = ((FX_DWORD)i * 2 + 2 < size) ? second.GetAt((FX_STRSIZE)i * 2 + 2) : 0;
174         FX_BYTE byte = (digit1 >= '0' && digit1 <= '9') ? (digit1 - '0') : ((digit1 & 0xdf) - 'A' + 10);
175         byte = byte * 16 + ((digit2 >= '0' && digit2 <= '9') ? (digit2 - '0') : ((digit2 & 0xdf) - 'A' + 10));
176         range.m_Upper[i] = byte;
177     }
178     return TRUE;
179 }
CMap_GetString(FX_BSTR word)180 static CFX_ByteString CMap_GetString(FX_BSTR word)
181 {
182     return word.Mid(1, word.GetLength() - 2);
183 }
ParseWord(FX_BSTR word)184 void CPDF_CMapParser::ParseWord(FX_BSTR word)
185 {
186     if (word.IsEmpty()) {
187         return;
188     }
189     if (word == FX_BSTRC("begincidchar")) {
190         m_Status = 1;
191         m_CodeSeq = 0;
192     } else if (word == FX_BSTRC("begincidrange")) {
193         m_Status = 2;
194         m_CodeSeq = 0;
195     } else if (word == FX_BSTRC("endcidrange") || word == FX_BSTRC("endcidchar")) {
196         m_Status = 0;
197     } else if (word == FX_BSTRC("/WMode")) {
198         m_Status = 6;
199     } else if (word == FX_BSTRC("/Registry")) {
200         m_Status = 3;
201     } else if (word == FX_BSTRC("/Ordering")) {
202         m_Status = 4;
203     } else if (word == FX_BSTRC("/Supplement")) {
204         m_Status = 5;
205     } else if (word == FX_BSTRC("begincodespacerange")) {
206         m_Status = 7;
207         m_CodeSeq = 0;
208     } else if (word == FX_BSTRC("usecmap")) {
209     } else if (m_Status == 1 || m_Status == 2) {
210         m_CodePoints[m_CodeSeq] = CMap_GetCode(word);
211         m_CodeSeq ++;
212         FX_DWORD StartCode, EndCode;
213         FX_WORD StartCID;
214         if (m_Status == 1) {
215             if (m_CodeSeq < 2) {
216                 return;
217             }
218             EndCode = StartCode = m_CodePoints[0];
219             StartCID = (FX_WORD)m_CodePoints[1];
220         } else {
221             if (m_CodeSeq < 3) {
222                 return;
223             }
224             StartCode = m_CodePoints[0];
225             EndCode = m_CodePoints[1];
226             StartCID = (FX_WORD)m_CodePoints[2];
227         }
228         if (EndCode < 0x10000) {
229             for (FX_DWORD code = StartCode; code <= EndCode; code ++) {
230                 m_pCMap->m_pMapping[code] = (FX_WORD)(StartCID + code - StartCode);
231             }
232         } else {
233             FX_DWORD buf[2];
234             buf[0] = StartCode;
235             buf[1] = ((EndCode - StartCode) << 16) + StartCID;
236             m_AddMaps.AppendBlock(buf, sizeof buf);
237         }
238         m_CodeSeq = 0;
239     } else if (m_Status == 3) {
240         CMap_GetString(word);
241         m_Status = 0;
242     } else if (m_Status == 4) {
243         m_pCMap->m_Charset = _CharsetFromOrdering(CMap_GetString(word));
244         m_Status = 0;
245     } else if (m_Status == 5) {
246         CMap_GetCode(word);
247         m_Status = 0;
248     } else if (m_Status == 6) {
249         m_pCMap->m_bVertical = CMap_GetCode(word);
250         m_Status = 0;
251     } else if (m_Status == 7) {
252         if (word == FX_BSTRC("endcodespacerange")) {
253             int nSegs = m_CodeRanges.GetSize();
254             if (nSegs > 1) {
255                 m_pCMap->m_CodingScheme = CPDF_CMap::MixedFourBytes;
256                 m_pCMap->m_nCodeRanges = nSegs;
257                 m_pCMap->m_pLeadingBytes = FX_Alloc2D(FX_BYTE, nSegs, sizeof(_CMap_CodeRange));
258                 FXSYS_memcpy32(m_pCMap->m_pLeadingBytes, m_CodeRanges.GetData(), nSegs * sizeof(_CMap_CodeRange));
259             } else if (nSegs == 1) {
260                 m_pCMap->m_CodingScheme = (m_CodeRanges[0].m_CharSize == 2) ? CPDF_CMap::TwoBytes : CPDF_CMap::OneByte;
261             }
262             m_Status = 0;
263         } else {
264             if (word.GetLength() == 0 || word.GetAt(0) != '<') {
265                 return;
266             }
267             if (m_CodeSeq % 2) {
268                 _CMap_CodeRange range;
269                 if (_CMap_GetCodeRange(range, m_LastWord, word)) {
270                     m_CodeRanges.Add(range);
271                 }
272             }
273             m_CodeSeq ++;
274         }
275     }
276     m_LastWord = word;
277 }
CPDF_CMap()278 CPDF_CMap::CPDF_CMap()
279 {
280     m_Charset = CIDSET_UNKNOWN;
281     m_Coding = CIDCODING_UNKNOWN;
282     m_CodingScheme = TwoBytes;
283     m_bVertical = 0;
284     m_bLoaded = FALSE;
285     m_pMapping = NULL;
286     m_pLeadingBytes = NULL;
287     m_pAddMapping = NULL;
288     m_pEmbedMap = NULL;
289     m_pUseMap = NULL;
290     m_nCodeRanges = 0;
291 }
~CPDF_CMap()292 CPDF_CMap::~CPDF_CMap()
293 {
294     if (m_pMapping) {
295         FX_Free(m_pMapping);
296     }
297     if (m_pAddMapping) {
298         FX_Free(m_pAddMapping);
299     }
300     if (m_pLeadingBytes) {
301         FX_Free(m_pLeadingBytes);
302     }
303     if (m_pUseMap) {
304         delete m_pUseMap;
305     }
306 }
Release()307 void CPDF_CMap::Release()
308 {
309     if (m_PredefinedCMap.IsEmpty()) {
310         delete this;
311     }
312 }
313 const CPDF_PredefinedCMap g_PredefinedCMaps[] = {
314     { "GB-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
315     { "GBpc-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfc} },
316     { "GBK-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
317     { "GBKp-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
318     { "GBK2K-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
319     { "GBK2K", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
320     { "UniGB-UCS2", CIDSET_GB1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
321     { "UniGB-UTF16", CIDSET_GB1, CIDCODING_UTF16, CPDF_CMap::TwoBytes },
322     { "B5pc", CIDSET_CNS1, CIDCODING_BIG5, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfc} },
323     { "HKscs-B5", CIDSET_CNS1, CIDCODING_BIG5, CPDF_CMap::MixedTwoBytes, 1, {0x88, 0xfe} },
324     { "ETen-B5", CIDSET_CNS1, CIDCODING_BIG5, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
325     { "ETenms-B5", CIDSET_CNS1, CIDCODING_BIG5, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
326     { "UniCNS-UCS2", CIDSET_CNS1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
327     { "UniCNS-UTF16", CIDSET_CNS1, CIDCODING_UTF16, CPDF_CMap::TwoBytes },
328     { "83pv-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
329     { "90ms-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
330     { "90msp-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
331     { "90pv-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
332     { "Add-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
333     { "EUC", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x8e, 0x8e, 0xa1, 0xfe} },
334     { "H", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e} },
335     { "V", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e} },
336     { "Ext-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
337     { "UniJIS-UCS2", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
338     { "UniJIS-UCS2-HW", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
339     { "UniJIS-UTF16", CIDSET_JAPAN1, CIDCODING_UTF16, CPDF_CMap::TwoBytes },
340     { "KSC-EUC", CIDSET_KOREA1, CIDCODING_KOREA, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
341     { "KSCms-UHC", CIDSET_KOREA1, CIDCODING_KOREA, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
342     { "KSCms-UHC-HW", CIDSET_KOREA1, CIDCODING_KOREA, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
343     { "KSCpc-EUC", CIDSET_KOREA1, CIDCODING_KOREA, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfd} },
344     { "UniKS-UCS2", CIDSET_KOREA1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
345     { "UniKS-UTF16", CIDSET_KOREA1, CIDCODING_UTF16, CPDF_CMap::TwoBytes },
346     { NULL, 0, 0 }
347 };
348 extern void FPDFAPI_FindEmbeddedCMap(const char* name, int charset, int coding, const FXCMAP_CMap*& pMap);
349 extern FX_WORD FPDFAPI_CIDFromCharCode(const FXCMAP_CMap* pMap, FX_DWORD charcode);
LoadPredefined(CPDF_CMapManager * pMgr,FX_LPCSTR pName,FX_BOOL bPromptCJK)350 FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr, FX_LPCSTR pName, FX_BOOL bPromptCJK)
351 {
352     m_PredefinedCMap = pName;
353     if (m_PredefinedCMap == FX_BSTRC("Identity-H") || m_PredefinedCMap == FX_BSTRC("Identity-V")) {
354         m_Coding = CIDCODING_CID;
355         m_bVertical = pName[9] == 'V';
356         m_bLoaded = TRUE;
357         return TRUE;
358     }
359     CFX_ByteString cmapid = m_PredefinedCMap;
360     m_bVertical = cmapid.Right(1) == FX_BSTRC("V");
361     if (cmapid.GetLength() > 2) {
362         cmapid = cmapid.Left(cmapid.GetLength() - 2);
363     }
364     int index = 0;
365     while (1) {
366         if (g_PredefinedCMaps[index].m_pName == NULL) {
367             return FALSE;
368         }
369         if (cmapid == CFX_ByteStringC(g_PredefinedCMaps[index].m_pName)) {
370             break;
371         }
372         index ++;
373     }
374     const CPDF_PredefinedCMap& map = g_PredefinedCMaps[index];
375     m_Charset = map.m_Charset;
376     m_Coding = map.m_Coding;
377     m_CodingScheme = map.m_CodingScheme;
378     if (m_CodingScheme == MixedTwoBytes) {
379         m_pLeadingBytes = FX_Alloc(FX_BYTE, 256);
380         for (FX_DWORD i = 0; i < map.m_LeadingSegCount; i ++) {
381             for (int b = map.m_LeadingSegs[i * 2]; b <= map.m_LeadingSegs[i * 2 + 1]; b ++) {
382                 m_pLeadingBytes[b] = 1;
383             }
384         }
385     }
386     FPDFAPI_FindEmbeddedCMap(pName, m_Charset, m_Coding, m_pEmbedMap);
387     if (m_pEmbedMap) {
388         m_bLoaded = TRUE;
389         return TRUE;
390     }
391     return FALSE;
392 }
393 extern "C" {
compare_dword(const void * data1,const void * data2)394     static int compare_dword(const void* data1, const void* data2)
395     {
396         return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2);
397     }
398 };
LoadEmbedded(FX_LPCBYTE pData,FX_DWORD size)399 FX_BOOL CPDF_CMap::LoadEmbedded(FX_LPCBYTE pData, FX_DWORD size)
400 {
401     m_pMapping = FX_Alloc(FX_WORD, 65536);
402     CPDF_CMapParser parser;
403     parser.Initialize(this);
404     CPDF_SimpleParser syntax(pData, size);
405     while (1) {
406         CFX_ByteStringC word = syntax.GetWord();
407         if (word.IsEmpty()) {
408             break;
409         }
410         parser.ParseWord(word);
411     }
412     if (m_CodingScheme == MixedFourBytes && parser.m_AddMaps.GetSize()) {
413         m_pAddMapping = FX_Alloc(FX_BYTE, parser.m_AddMaps.GetSize() + 4);
414         *(FX_DWORD*)m_pAddMapping = parser.m_AddMaps.GetSize() / 8;
415         FXSYS_memcpy32(m_pAddMapping + 4, parser.m_AddMaps.GetBuffer(), parser.m_AddMaps.GetSize());
416         FXSYS_qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8, compare_dword);
417     }
418     return TRUE;
419 }
420 extern "C" {
compareCID(const void * key,const void * element)421     static int compareCID(const void* key, const void* element)
422     {
423         if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) {
424             return -1;
425         }
426         if ((*(FX_DWORD*)key) > (*(FX_DWORD*)element) + ((FX_DWORD*)element)[1] / 65536) {
427             return 1;
428         }
429         return 0;
430     }
431 };
CIDFromCharCode(FX_DWORD charcode) const432 FX_WORD CPDF_CMap::CIDFromCharCode(FX_DWORD charcode) const
433 {
434     if (m_Coding == CIDCODING_CID) {
435         return (FX_WORD)charcode;
436     }
437     if (m_pEmbedMap) {
438         return FPDFAPI_CIDFromCharCode(m_pEmbedMap, charcode);
439     }
440     if (m_pMapping == NULL) {
441         return (FX_WORD)charcode;
442     }
443     if (charcode >> 16) {
444         if (m_pAddMapping) {
445             void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4, *(FX_DWORD*)m_pAddMapping, 8, compareCID);
446             if (found == NULL) {
447                 if (m_pUseMap) {
448                     return m_pUseMap->CIDFromCharCode(charcode);
449                 }
450                 return 0;
451             }
452             return (FX_WORD)(((FX_DWORD*)found)[1] % 65536 + charcode - * (FX_DWORD*)found);
453         }
454         if (m_pUseMap) {
455             return m_pUseMap->CIDFromCharCode(charcode);
456         }
457         return 0;
458     }
459     FX_DWORD CID = m_pMapping[charcode];
460     if (!CID && m_pUseMap) {
461         return m_pUseMap->CIDFromCharCode(charcode);
462     }
463     return (FX_WORD)CID;
464 }
_CheckCodeRange(FX_LPBYTE codes,int size,_CMap_CodeRange * pRanges,int nRanges)465 static int _CheckCodeRange(FX_LPBYTE codes, int size, _CMap_CodeRange* pRanges, int nRanges)
466 {
467     int iSeg = nRanges - 1;
468     while (iSeg >= 0) {
469         if (pRanges[iSeg].m_CharSize < size) {
470             iSeg --;
471             continue;
472         }
473         int iChar = 0;
474         while (iChar < size) {
475             if (codes[iChar] < pRanges[iSeg].m_Lower[iChar] ||
476                     codes[iChar] > pRanges[iSeg].m_Upper[iChar]) {
477                 break;
478             }
479             iChar ++;
480         }
481         if (iChar == pRanges[iSeg].m_CharSize) {
482             return 2;
483         }
484         if (iChar) {
485             if (size == pRanges[iSeg].m_CharSize) {
486                 return 2;
487             }
488             return 1;
489         }
490         iSeg --;
491     }
492     return 0;
493 }
GetNextChar(FX_LPCSTR pString,int nStrLen,int & offset) const494 FX_DWORD CPDF_CMap::GetNextChar(FX_LPCSTR pString, int nStrLen, int& offset) const
495 {
496     switch (m_CodingScheme) {
497         case OneByte:
498             return ((FX_LPBYTE)pString)[offset++];
499         case TwoBytes:
500             offset += 2;
501             return ((FX_LPBYTE)pString)[offset - 2] * 256 + ((FX_LPBYTE)pString)[offset - 1];
502         case MixedTwoBytes: {
503                 FX_BYTE byte1 = ((FX_LPBYTE)pString)[offset++];
504                 if (!m_pLeadingBytes[byte1]) {
505                     return byte1;
506                 }
507                 FX_BYTE byte2 = ((FX_LPBYTE)pString)[offset++];
508                 return byte1 * 256 + byte2;
509             }
510         case MixedFourBytes: {
511                 FX_BYTE codes[4];
512                 int char_size = 1;
513                 codes[0] = ((FX_LPBYTE)pString)[offset++];
514                 _CMap_CodeRange* pRanges = (_CMap_CodeRange*)m_pLeadingBytes;
515                 while (1) {
516                     int ret = _CheckCodeRange(codes, char_size, pRanges, m_nCodeRanges);
517                     if (ret == 0) {
518                         return 0;
519                     }
520                     if (ret == 2) {
521                         FX_DWORD charcode = 0;
522                         for (int i = 0; i < char_size; i ++) {
523                             charcode = (charcode << 8) + codes[i];
524                         }
525                         return charcode;
526                     }
527                     if (char_size == 4 || offset == nStrLen) {
528                         return 0;
529                     }
530                     codes[char_size ++] = ((FX_LPBYTE)pString)[offset++];
531                 }
532                 break;
533             }
534     }
535     return 0;
536 }
GetCharSize(FX_DWORD charcode) const537 int CPDF_CMap::GetCharSize(FX_DWORD charcode) const
538 {
539     switch (m_CodingScheme) {
540         case OneByte:
541             return 1;
542         case TwoBytes:
543             return 2;
544         case MixedTwoBytes:
545         case MixedFourBytes:
546             if (charcode < 0x100) {
547                 return 1;
548             }
549             if (charcode < 0x10000) {
550                 return 2;
551             }
552             if (charcode < 0x1000000) {
553                 return 3;
554             }
555             return 4;
556     }
557     return 1;
558 }
CountChar(FX_LPCSTR pString,int size) const559 int CPDF_CMap::CountChar(FX_LPCSTR pString, int size) const
560 {
561     switch (m_CodingScheme) {
562         case OneByte:
563             return size;
564         case TwoBytes:
565             return (size + 1) / 2;
566         case MixedTwoBytes: {
567                 int count = 0;
568                 for (int i = 0; i < size; i ++) {
569                     count ++;
570                     if (m_pLeadingBytes[((FX_LPBYTE)pString)[i]]) {
571                         i ++;
572                     }
573                 }
574                 return count;
575             }
576         case MixedFourBytes: {
577                 int count = 0, offset = 0;
578                 while (offset < size) {
579                     GetNextChar(pString, size, offset);
580                     count ++;
581                 }
582                 return count;
583             }
584     }
585     return size;
586 }
_GetCharSize(FX_DWORD charcode,_CMap_CodeRange * pRanges,int iRangesSize)587 int _GetCharSize(FX_DWORD charcode, _CMap_CodeRange* pRanges, int iRangesSize)
588 {
589     if (!iRangesSize) {
590         return 1;
591     }
592     FX_BYTE codes[4];
593     codes[0] = codes[1] = 0x00;
594     codes[2] = (FX_BYTE)(charcode >> 8 & 0xFF);
595     codes[3] = (FX_BYTE)charcode;
596     int offset = 0, size = 4;
597     for (int i = 0; i < 4; ++i) {
598         int iSeg = iRangesSize - 1;
599         while (iSeg >= 0) {
600             if (pRanges[iSeg].m_CharSize < size) {
601                 iSeg --;
602                 continue;
603             }
604             int iChar = 0;
605             while (iChar < size) {
606                 if (codes[offset + iChar] < pRanges[iSeg].m_Lower[iChar] ||
607                         codes[offset + iChar] > pRanges[iSeg].m_Upper[iChar]) {
608                     break;
609                 }
610                 iChar ++;
611             }
612             if (iChar == pRanges[iSeg].m_CharSize) {
613                 return size;
614             }
615             iSeg --;
616         }
617         size --;
618         offset ++;
619     }
620     return 1;
621 }
AppendChar(FX_LPSTR str,FX_DWORD charcode) const622 int CPDF_CMap::AppendChar(FX_LPSTR str, FX_DWORD charcode) const
623 {
624     switch (m_CodingScheme) {
625         case OneByte:
626             str[0] = (FX_BYTE)charcode;
627             return 1;
628         case TwoBytes:
629             str[0] = (FX_BYTE)(charcode / 256);
630             str[1] = (FX_BYTE)(charcode % 256);
631             return 2;
632         case MixedTwoBytes:
633         case MixedFourBytes:
634             if (charcode < 0x100) {
635                 _CMap_CodeRange* pRanges = (_CMap_CodeRange*)m_pLeadingBytes;
636                 int iSize = _GetCharSize(charcode, pRanges, m_nCodeRanges);
637                 if (iSize == 0) {
638                     iSize = 1;
639                 }
640                 if (iSize > 1) {
641                     FXSYS_memset32(str, 0, sizeof(FX_BYTE) * iSize);
642                 }
643                 str[iSize - 1] = (FX_BYTE)charcode;
644                 return iSize;
645             } else if (charcode < 0x10000) {
646                 str[0] = (FX_BYTE)(charcode >> 8);
647                 str[1] = (FX_BYTE)charcode;
648                 return 2;
649             } else if (charcode < 0x1000000) {
650                 str[0] = (FX_BYTE)(charcode >> 16);
651                 str[1] = (FX_BYTE)(charcode >> 8);
652                 str[2] = (FX_BYTE)charcode;
653                 return 3;
654             } else {
655                 str[0] = (FX_BYTE)(charcode >> 24);
656                 str[1] = (FX_BYTE)(charcode >> 16);
657                 str[2] = (FX_BYTE)(charcode >> 8);
658                 str[3] = (FX_BYTE)charcode;
659                 return 4;
660             }
661     }
662     return 0;
663 }
CPDF_CID2UnicodeMap()664 CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap()
665 {
666     m_EmbeddedCount = 0;
667 }
~CPDF_CID2UnicodeMap()668 CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap()
669 {
670 }
Initialize()671 FX_BOOL CPDF_CID2UnicodeMap::Initialize()
672 {
673     return TRUE;
674 }
IsLoaded()675 FX_BOOL CPDF_CID2UnicodeMap::IsLoaded()
676 {
677     return m_EmbeddedCount != 0;
678 }
UnicodeFromCID(FX_WORD CID)679 FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(FX_WORD CID)
680 {
681     if (m_Charset == CIDSET_UNICODE) {
682         return CID;
683     }
684     if (CID < m_EmbeddedCount) {
685         return m_pEmbeddedMap[CID];
686     }
687     return 0;
688 }
689 void FPDFAPI_LoadCID2UnicodeMap(int charset, const FX_WORD*& pMap, FX_DWORD& count);
Load(CPDF_CMapManager * pMgr,int charset,FX_BOOL bPromptCJK)690 void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, int charset, FX_BOOL bPromptCJK)
691 {
692     m_Charset = charset;
693     FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount);
694 }
695 #include "ttgsubtable.h"
CPDF_CIDFont()696 CPDF_CIDFont::CPDF_CIDFont() : CPDF_Font(PDFFONT_CIDFONT)
697 {
698     m_pCMap = NULL;
699     m_pAllocatedCMap = NULL;
700     m_pCID2UnicodeMap = NULL;
701     m_pAnsiWidths = NULL;
702     m_pCIDToGIDMap = NULL;
703     m_bCIDIsGID = FALSE;
704     m_bAdobeCourierStd = FALSE;
705     m_pTTGSUBTable = NULL;
706     FXSYS_memset8(m_CharBBox, 0xff, 256 * sizeof(FX_SMALL_RECT));
707 }
~CPDF_CIDFont()708 CPDF_CIDFont::~CPDF_CIDFont()
709 {
710     if (m_pAnsiWidths) {
711         FX_Free(m_pAnsiWidths);
712     }
713     if (m_pAllocatedCMap) {
714         delete m_pAllocatedCMap;
715     }
716     if (m_pCIDToGIDMap) {
717         delete m_pCIDToGIDMap;
718     }
719     if (m_pTTGSUBTable) {
720         delete m_pTTGSUBTable;
721     }
722 }
CIDFromCharCode(FX_DWORD charcode) const723 FX_WORD CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const
724 {
725     if (m_pCMap == NULL) {
726         return (FX_WORD)charcode;
727     }
728     return m_pCMap->CIDFromCharCode(charcode);
729 }
IsVertWriting() const730 FX_BOOL CPDF_CIDFont::IsVertWriting() const
731 {
732     return m_pCMap ? m_pCMap->IsVertWriting() : FALSE;
733 }
734 extern FX_DWORD FPDFAPI_CharCodeFromCID(const FXCMAP_CMap* pMap, FX_WORD cid);
_EmbeddedCharcodeFromUnicode(const FXCMAP_CMap * pEmbedMap,int charset,FX_WCHAR unicode)735 static FX_DWORD _EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap, int charset, FX_WCHAR unicode)
736 {
737     if (charset <= 0 || charset > 4) {
738         return 0;
739     }
740     CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
741     const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
742     if (pCodes == NULL) {
743         return 0;
744     }
745     int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count;
746     for (int i = 0; i < nCodes; i++) {
747         if (pCodes[i] == unicode) {
748             FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i);
749             if (CharCode == 0) {
750                 continue;
751             }
752             return CharCode;
753         }
754     }
755     return 0;
756 }
_EmbeddedUnicodeFromCharcode(const FXCMAP_CMap * pEmbedMap,int charset,FX_DWORD charcode)757 static FX_WCHAR _EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap, int charset, FX_DWORD charcode)
758 {
759     if (charset <= 0 || charset > 4) {
760         return 0;
761     }
762     FX_WORD cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode);
763     if (cid == 0) {
764         return 0;
765     }
766     CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
767     const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
768     if (pCodes == NULL) {
769         return 0;
770     }
771     if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count) {
772         return pCodes[cid];
773     }
774     return 0;
775 }
_UnicodeFromCharCode(FX_DWORD charcode) const776 FX_WCHAR CPDF_CIDFont::_UnicodeFromCharCode(FX_DWORD charcode) const
777 {
778     switch (m_pCMap->m_Coding) {
779         case CIDCODING_UCS2:
780         case CIDCODING_UTF16:
781             return (FX_WCHAR)charcode;
782         case CIDCODING_CID:
783             if (m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) {
784                 return 0;
785             }
786             return m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)charcode);
787     }
788     if (!m_pCMap->IsLoaded() || m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) {
789 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
790         FX_WCHAR unicode;
791         int charsize = 1;
792         if (charcode > 255) {
793             charcode = (charcode % 256) * 256 + (charcode / 256);
794             charsize = 2;
795         }
796         int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0, (FX_LPCSTR)&charcode, charsize, &unicode, 1);
797         if (ret != 1) {
798             return 0;
799         }
800         return unicode;
801 #endif
802         if (m_pCMap->m_pEmbedMap) {
803             return _EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, charcode);
804         } else {
805             return 0;
806         }
807     }
808     return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode));
809 }
_CharCodeFromUnicode(FX_WCHAR unicode) const810 FX_DWORD CPDF_CIDFont::_CharCodeFromUnicode(FX_WCHAR unicode) const
811 {
812     switch (m_pCMap->m_Coding) {
813         case CIDCODING_UNKNOWN:
814             return 0;
815         case CIDCODING_UCS2:
816         case CIDCODING_UTF16:
817             return unicode;
818         case CIDCODING_CID: {
819                 if (m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) {
820                     return 0;
821                 }
822                 FX_DWORD CID = 0;
823                 while (CID < 65536) {
824                     FX_WCHAR this_unicode = m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)CID);
825                     if (this_unicode == unicode) {
826                         return CID;
827                     }
828                     CID ++;
829                 }
830                 break;
831             }
832     }
833 
834     if (unicode < 0x80) {
835         return static_cast<FX_DWORD>(unicode);
836     } else if (m_pCMap->m_Coding == CIDCODING_CID) {
837         return 0;
838     }
839 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
840     FX_BYTE buffer[32];
841     int ret = FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1, (char*)buffer, 4, NULL, NULL);
842     if (ret == 1) {
843         return buffer[0];
844     } else if (ret == 2) {
845         return buffer[0] * 256 + buffer[1];
846     }
847     return 0;
848 #endif
849     if (m_pCMap->m_pEmbedMap) {
850         return _EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, unicode);
851     }
852     return 0;
853 }
FT_UseCIDCharmap(FXFT_Face face,int coding)854 static void FT_UseCIDCharmap(FXFT_Face face, int coding)
855 {
856     int encoding;
857     switch (coding) {
858         case CIDCODING_GB:
859             encoding = FXFT_ENCODING_GB2312;
860             break;
861         case CIDCODING_BIG5:
862             encoding = FXFT_ENCODING_BIG5;
863             break;
864         case CIDCODING_JIS:
865             encoding = FXFT_ENCODING_SJIS;
866             break;
867         case CIDCODING_KOREA:
868             encoding = FXFT_ENCODING_JOHAB;
869             break;
870         default:
871             encoding = FXFT_ENCODING_UNICODE;
872     }
873     int err = FXFT_Select_Charmap(face, encoding);
874     if (err) {
875         err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE);
876     }
877     if (err && FXFT_Get_Face_Charmaps(face)) {
878         FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face));
879     }
880 }
_Load()881 FX_BOOL CPDF_CIDFont::_Load()
882 {
883     if (m_pFontDict->GetString(FX_BSTRC("Subtype")) == FX_BSTRC("TrueType")) {
884         return LoadGB2312();
885     }
886     CPDF_Array* pFonts = m_pFontDict->GetArray(FX_BSTRC("DescendantFonts"));
887     if (pFonts == NULL) {
888         return FALSE;
889     }
890     if (pFonts->GetCount() != 1) {
891         return FALSE;
892     }
893     CPDF_Dictionary* pCIDFontDict = pFonts->GetDict(0);
894     if (pCIDFontDict == NULL) {
895         return FALSE;
896     }
897     m_BaseFont = pCIDFontDict->GetString(FX_BSTRC("BaseFont"));
898     if ((m_BaseFont.Compare("CourierStd") == 0 || m_BaseFont.Compare("CourierStd-Bold") == 0
899             || m_BaseFont.Compare("CourierStd-BoldOblique") == 0 || m_BaseFont.Compare("CourierStd-Oblique") == 0)
900             && !IsEmbedded()) {
901         m_bAdobeCourierStd = TRUE;
902     }
903     CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDict(FX_BSTRC("FontDescriptor"));
904     if (pFontDesc) {
905         LoadFontDescriptor(pFontDesc);
906     }
907     CPDF_Object* pEncoding = m_pFontDict->GetElementValue(FX_BSTRC("Encoding"));
908     if (pEncoding == NULL) {
909         return FALSE;
910     }
911     CFX_ByteString subtype = pCIDFontDict->GetString(FX_BSTRC("Subtype"));
912     m_bType1 = FALSE;
913     if (subtype == FX_BSTRC("CIDFontType0")) {
914         m_bType1 = TRUE;
915     }
916     if (pEncoding->GetType() == PDFOBJ_NAME) {
917         CFX_ByteString cmap = pEncoding->GetString();
918         m_pCMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetPredefinedCMap(cmap,
919                   m_pFontFile && m_bType1);
920     } else if (pEncoding->GetType() == PDFOBJ_STREAM) {
921         m_pAllocatedCMap = m_pCMap = new CPDF_CMap;
922         CPDF_Stream* pStream = (CPDF_Stream*)pEncoding;
923         CPDF_StreamAcc acc;
924         acc.LoadAllData(pStream, FALSE);
925         m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize());
926     } else {
927         return FALSE;
928     }
929     if (m_pCMap == NULL) {
930         return FALSE;
931     }
932     m_Charset = m_pCMap->m_Charset;
933     if (m_Charset == CIDSET_UNKNOWN) {
934         CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDict(FX_BSTRC("CIDSystemInfo"));
935         if (pCIDInfo) {
936             m_Charset = _CharsetFromOrdering(pCIDInfo->GetString(FX_BSTRC("Ordering")));
937         }
938     }
939     if (m_Charset != CIDSET_UNKNOWN)
940         m_pCID2UnicodeMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetCID2UnicodeMap(m_Charset,
941                             m_pFontFile == NULL && (m_pCMap->m_Coding == CIDCODING_CID || pCIDFontDict->KeyExist(FX_BSTRC("W"))));
942     if (m_Font.GetFace()) {
943         if (m_bType1) {
944             FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
945         } else {
946             FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding);
947         }
948     }
949     m_DefaultWidth = pCIDFontDict->GetInteger(FX_BSTRC("DW"), 1000);
950     CPDF_Array* pWidthArray = pCIDFontDict->GetArray(FX_BSTRC("W"));
951     if (pWidthArray) {
952         LoadMetricsArray(pWidthArray, m_WidthList, 1);
953     }
954     if (!IsEmbedded()) {
955         LoadSubstFont();
956     }
957     if (1) {
958         if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) {
959             CPDF_Object* pmap = pCIDFontDict->GetElementValue(FX_BSTRC("CIDToGIDMap"));
960             if (pmap) {
961                 if (pmap->GetType() == PDFOBJ_STREAM) {
962                     m_pCIDToGIDMap = new CPDF_StreamAcc;
963                     m_pCIDToGIDMap->LoadAllData((CPDF_Stream*)pmap, FALSE);
964                 } else if (pmap->GetString() == FX_BSTRC("Identity")) {
965 #if _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_
966                     if (m_pFontFile) {
967                         m_bCIDIsGID = TRUE;
968                     }
969 #else
970                     m_bCIDIsGID = TRUE;
971 #endif
972                 }
973             }
974         }
975     }
976     CheckFontMetrics();
977     if (IsVertWriting()) {
978         pWidthArray = pCIDFontDict->GetArray(FX_BSTRC("W2"));
979         if (pWidthArray) {
980             LoadMetricsArray(pWidthArray, m_VertMetrics, 3);
981         }
982         CPDF_Array* pDefaultArray = pCIDFontDict->GetArray(FX_BSTRC("DW2"));
983         if (pDefaultArray) {
984             m_DefaultVY = pDefaultArray->GetInteger(0);
985             m_DefaultW1 = pDefaultArray->GetInteger(1);
986         } else {
987             m_DefaultVY = 880;
988             m_DefaultW1 = -1000;
989         }
990     }
991     return TRUE;
992 }
_CIDTransformToFloat(FX_BYTE ch)993 FX_FLOAT _CIDTransformToFloat(FX_BYTE ch)
994 {
995     if (ch < 128) {
996         return ch * 1.0f / 127;
997     }
998     return (-255 + ch) * 1.0f / 127;
999 }
GetCharBBox(FX_DWORD charcode,FX_RECT & rect,int level)1000 void CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level)
1001 {
1002     if (charcode < 256 && m_CharBBox[charcode].Right != -1) {
1003         rect.bottom = m_CharBBox[charcode].Bottom;
1004         rect.left = m_CharBBox[charcode].Left;
1005         rect.right = m_CharBBox[charcode].Right;
1006         rect.top = m_CharBBox[charcode].Top;
1007         return;
1008     }
1009     FX_BOOL bVert = FALSE;
1010     int glyph_index = GlyphFromCharCode(charcode, &bVert);
1011     if (m_Font.m_Face == NULL) {
1012         rect = FX_RECT(0, 0, 0, 0);
1013     } else {
1014         rect.left = rect.bottom = rect.right = rect.top = 0;
1015         FXFT_Face face = m_Font.m_Face;
1016         if (FXFT_Is_Face_Tricky(face)) {
1017             int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
1018             if (!err) {
1019                 FXFT_BBox cbox;
1020                 FXFT_Glyph glyph;
1021                 err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph);
1022                 if (!err) {
1023                     FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
1024                     int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem;
1025                     int	pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem;
1026                     if (pixel_size_x == 0 || pixel_size_y == 0) {
1027                         rect.left = cbox.xMin;
1028                         rect.right = cbox.xMax;
1029                         rect.top = cbox.yMax;
1030                         rect.bottom = cbox.yMin;
1031                     } else {
1032                         rect.left = cbox.xMin * 1000 / pixel_size_x;
1033                         rect.right = cbox.xMax * 1000 / pixel_size_x;
1034                         rect.top = cbox.yMax * 1000 / pixel_size_y;
1035                         rect.bottom = cbox.yMin * 1000 / pixel_size_y;
1036                     }
1037                     if (rect.top > FXFT_Get_Face_Ascender(face)) {
1038                         rect.top = FXFT_Get_Face_Ascender(face);
1039                     }
1040                     if (rect.bottom < FXFT_Get_Face_Descender(face)) {
1041                         rect.bottom = FXFT_Get_Face_Descender(face);
1042                     }
1043                     FXFT_Done_Glyph(glyph);
1044                 }
1045             }
1046         } else {
1047             int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE);
1048             if (err == 0) {
1049                 rect.left = TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face);
1050                 rect.right = TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + FXFT_Get_Glyph_Width(face), face);
1051                 rect.top = TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face);
1052                 rect.top += rect.top / 64;
1053                 rect.bottom = TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - FXFT_Get_Glyph_Height(face), face);
1054             }
1055         }
1056     }
1057     if (m_pFontFile == NULL && m_Charset == CIDSET_JAPAN1) {
1058         FX_WORD CID = CIDFromCharCode(charcode);
1059         FX_LPCBYTE pTransform = GetCIDTransform(CID);
1060         if (pTransform && !bVert) {
1061             CFX_AffineMatrix matrix(_CIDTransformToFloat(pTransform[0]), _CIDTransformToFloat(pTransform[1]),
1062                                     _CIDTransformToFloat(pTransform[2]), _CIDTransformToFloat(pTransform[3]),
1063                                     _CIDTransformToFloat(pTransform[4]) * 1000 , _CIDTransformToFloat(pTransform[5]) * 1000);
1064             CFX_FloatRect rect_f(rect);
1065             rect_f.Transform(&matrix);
1066             rect = rect_f.GetOutterRect();
1067         }
1068     }
1069     if (charcode < 256) {
1070         m_CharBBox[charcode].Bottom = (short)rect.bottom;
1071         m_CharBBox[charcode].Left = (short)rect.left;
1072         m_CharBBox[charcode].Right = (short)rect.right;
1073         m_CharBBox[charcode].Top = (short)rect.top;
1074     }
1075 }
GetCharWidthF(FX_DWORD charcode,int level)1076 int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level)
1077 {
1078     if (m_pAnsiWidths && charcode < 0x80) {
1079         return m_pAnsiWidths[charcode];
1080     }
1081     FX_WORD cid = CIDFromCharCode(charcode);
1082     int size = m_WidthList.GetSize();
1083     FX_DWORD* list = m_WidthList.GetData();
1084     for (int i = 0; i < size; i += 3) {
1085         if (cid >= list[i] && cid <= list[i + 1]) {
1086             return (int)list[i + 2];
1087         }
1088     }
1089     return m_DefaultWidth;
1090 }
GetVertWidth(FX_WORD CID) const1091 short CPDF_CIDFont::GetVertWidth(FX_WORD CID) const
1092 {
1093     FX_DWORD vertsize = m_VertMetrics.GetSize() / 5;
1094     if (vertsize == 0) {
1095         return m_DefaultW1;
1096     }
1097     const FX_DWORD* pTable = m_VertMetrics.GetData();
1098     for (FX_DWORD i = 0; i < vertsize; i ++)
1099         if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) {
1100             return (short)(int)pTable[i * 5 + 2];
1101         }
1102     return m_DefaultW1;
1103 }
GetVertOrigin(FX_WORD CID,short & vx,short & vy) const1104 void CPDF_CIDFont::GetVertOrigin(FX_WORD CID, short& vx, short &vy) const
1105 {
1106     FX_DWORD vertsize = m_VertMetrics.GetSize() / 5;
1107     if (vertsize) {
1108         const FX_DWORD* pTable = m_VertMetrics.GetData();
1109         for (FX_DWORD i = 0; i < vertsize; i ++)
1110             if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) {
1111                 vx = (short)(int)pTable[i * 5 + 3];
1112                 vy = (short)(int)pTable[i * 5 + 4];
1113                 return;
1114             }
1115     }
1116     FX_DWORD dwWidth = m_DefaultWidth;
1117     int size = m_WidthList.GetSize();
1118     const FX_DWORD* list = m_WidthList.GetData();
1119     for (int i = 0; i < size; i += 3) {
1120         if (CID >= list[i] && CID <= list[i + 1]) {
1121             dwWidth = (FX_WORD)list[i + 2];
1122             break;
1123         }
1124     }
1125     vx = (short)dwWidth / 2;
1126     vy = (short)m_DefaultVY;
1127 }
GetGlyphIndex(FX_DWORD unicode,FX_BOOL * pVertGlyph)1128 int	CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL *pVertGlyph)
1129 {
1130     if (pVertGlyph) {
1131         *pVertGlyph = FALSE;
1132     }
1133     int index = FXFT_Get_Char_Index(m_Font.m_Face, unicode );
1134     if (unicode == 0x2502) {
1135         return index;
1136     }
1137     if (index && IsVertWriting()) {
1138         if (m_pTTGSUBTable) {
1139             TT_uint32_t vindex = 0;
1140             m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
1141             if (vindex) {
1142                 index = vindex;
1143                 if (pVertGlyph) {
1144                     *pVertGlyph = TRUE;
1145                 }
1146             }
1147             return index;
1148         }
1149         if (NULL == m_Font.m_pGsubData) {
1150             unsigned long length = 0;
1151             int error = FXFT_Load_Sfnt_Table( m_Font.m_Face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, NULL, &length);
1152             if (!error) {
1153                 m_Font.m_pGsubData = (unsigned char*)FX_Alloc(FX_BYTE, length);
1154             }
1155         }
1156         int error = FXFT_Load_Sfnt_Table( m_Font.m_Face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, m_Font.m_pGsubData, NULL);
1157         if (!error && m_Font.m_pGsubData) {
1158             m_pTTGSUBTable = new CFX_CTTGSUBTable;
1159             m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.m_pGsubData);
1160             TT_uint32_t vindex = 0;
1161             m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
1162             if (vindex) {
1163                 index = vindex;
1164                 if (pVertGlyph) {
1165                     *pVertGlyph = TRUE;
1166                 }
1167             }
1168         }
1169         return index;
1170     }
1171     if (pVertGlyph) {
1172         *pVertGlyph = FALSE;
1173     }
1174     return index;
1175 }
GlyphFromCharCode(FX_DWORD charcode,FX_BOOL * pVertGlyph)1176 int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL *pVertGlyph)
1177 {
1178     if (pVertGlyph) {
1179         *pVertGlyph = FALSE;
1180     }
1181     if (m_pFontFile == NULL && m_pCIDToGIDMap == NULL) {
1182         FX_WORD cid = CIDFromCharCode(charcode);
1183         FX_WCHAR unicode = 0;
1184         if (m_bCIDIsGID) {
1185 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
1186             return cid;
1187 #else
1188             if (m_Flags & PDFFONT_SYMBOLIC) {
1189                 return cid;
1190             }
1191             CFX_WideString uni_str = UnicodeFromCharCode(charcode);
1192             if (uni_str.IsEmpty()) {
1193                 return cid;
1194             }
1195             unicode = uni_str.GetAt(0);
1196 #endif
1197         } else {
1198             if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) {
1199                 unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid);
1200             }
1201             if (unicode == 0) {
1202                 unicode = _UnicodeFromCharCode(charcode);
1203             }
1204             if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) {
1205                 unicode = UnicodeFromCharCode(charcode).GetAt(0);
1206             }
1207         }
1208         if (unicode == 0) {
1209             if (!m_bAdobeCourierStd) {
1210                 return charcode == 0 ? -1 : (int)charcode;
1211             }
1212             charcode += 31;
1213             int index = 0, iBaseEncoding;
1214             FX_BOOL bMSUnicode = FT_UseTTCharmap(m_Font.m_Face, 3, 1);
1215             FX_BOOL bMacRoman = FALSE;
1216             if (!bMSUnicode) {
1217                 bMacRoman = FT_UseTTCharmap(m_Font.m_Face, 1, 0);
1218             }
1219             iBaseEncoding = PDFFONT_ENCODING_STANDARD;
1220             if (bMSUnicode) {
1221                 iBaseEncoding = PDFFONT_ENCODING_WINANSI;
1222             } else if (bMacRoman) {
1223                 iBaseEncoding = PDFFONT_ENCODING_MACROMAN;
1224             }
1225             FX_LPCSTR name = GetAdobeCharName(iBaseEncoding, NULL, charcode);
1226             if (name == NULL) {
1227                 return charcode == 0 ? -1 : (int)charcode;
1228             }
1229             FX_WORD unicode = PDF_UnicodeFromAdobeName(name);
1230             if (unicode) {
1231                 if (bMSUnicode) {
1232                     index = FXFT_Get_Char_Index(m_Font.m_Face, unicode);
1233                 } else if (bMacRoman) {
1234                     FX_DWORD maccode = FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode);
1235                     index = !maccode ? FXFT_Get_Name_Index(m_Font.m_Face, (char *)name) : FXFT_Get_Char_Index(m_Font.m_Face, maccode);
1236                 } else {
1237                     return FXFT_Get_Char_Index(m_Font.m_Face, unicode);
1238                 }
1239             } else {
1240                 return charcode == 0 ? -1 : (int)charcode;
1241             }
1242             if (index == 0 || index == 0xffff) {
1243                 return charcode == 0 ? -1 : (int)charcode;
1244             } else {
1245                 return index;
1246             }
1247         }
1248         if (m_Charset == CIDSET_JAPAN1) {
1249             if (unicode == '\\') {
1250                 unicode = '/';
1251             }
1252 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
1253             else if (unicode == 0xa5) {
1254                 unicode = 0x5c;
1255             }
1256 #endif
1257         }
1258         if (m_Font.m_Face == NULL) {
1259             return unicode;
1260         }
1261         int err = FXFT_Select_Charmap(m_Font.m_Face, FXFT_ENCODING_UNICODE);
1262         if (err != 0) {
1263             int i;
1264             for (i = 0; i < FXFT_Get_Face_CharmapCount(m_Font.m_Face); i ++) {
1265                 FX_DWORD ret = FT_CharCodeFromUnicode(FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(m_Font.m_Face)[i]), (FX_WCHAR)charcode);
1266                 if (ret == 0) {
1267                     continue;
1268                 }
1269                 FXFT_Set_Charmap(m_Font.m_Face, FXFT_Get_Face_Charmaps(m_Font.m_Face)[i]);
1270                 unicode = (FX_WCHAR)ret;
1271                 break;
1272             }
1273             if (i == FXFT_Get_Face_CharmapCount(m_Font.m_Face) && i) {
1274                 FXFT_Set_Charmap(m_Font.m_Face, FXFT_Get_Face_Charmaps(m_Font.m_Face)[0]);
1275                 unicode = (FX_WCHAR)charcode;
1276             }
1277         }
1278         if (FXFT_Get_Face_Charmap(m_Font.m_Face)) {
1279             int index = GetGlyphIndex(unicode, pVertGlyph);
1280             if (index == 0) {
1281                 return -1;
1282             }
1283             return index;
1284         }
1285         return unicode ;
1286     }
1287     if (m_Font.m_Face == NULL) {
1288         return -1;
1289     }
1290     FX_WORD cid = CIDFromCharCode(charcode);
1291     if (m_bType1) {
1292         if (NULL == m_pCIDToGIDMap) {
1293             return cid;
1294         }
1295     } else {
1296         if (m_pCIDToGIDMap == NULL) {
1297             if (m_pFontFile && m_pCMap->m_pMapping == NULL) {
1298                 return cid;
1299             }
1300             if (m_pCMap->m_Coding == CIDCODING_UNKNOWN || FXFT_Get_Face_Charmap(m_Font.m_Face) == NULL) {
1301                 return cid;
1302             }
1303             if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.m_Face)) == FXFT_ENCODING_UNICODE) {
1304                 CFX_WideString unicode_str = UnicodeFromCharCode(charcode);
1305                 if (unicode_str.IsEmpty()) {
1306                     return -1;
1307                 }
1308                 charcode = unicode_str.GetAt(0);
1309             }
1310             return GetGlyphIndex(charcode, pVertGlyph);
1311         }
1312     }
1313     FX_DWORD byte_pos = cid * 2;
1314     if (byte_pos + 2 > m_pCIDToGIDMap->GetSize()) {
1315         return -1;
1316     }
1317     FX_LPCBYTE pdata = m_pCIDToGIDMap->GetData() + byte_pos;
1318     return pdata[0] * 256 + pdata[1];
1319 }
GetNextChar(FX_LPCSTR pString,int nStrLen,int & offset) const1320 FX_DWORD CPDF_CIDFont::GetNextChar(FX_LPCSTR pString, int nStrLen, int& offset) const
1321 {
1322     return m_pCMap->GetNextChar(pString, nStrLen, offset);
1323 }
GetCharSize(FX_DWORD charcode) const1324 int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const
1325 {
1326     return m_pCMap->GetCharSize(charcode);
1327 }
CountChar(FX_LPCSTR pString,int size) const1328 int CPDF_CIDFont::CountChar(FX_LPCSTR pString, int size) const
1329 {
1330     return m_pCMap->CountChar(pString, size);
1331 }
AppendChar(FX_LPSTR str,FX_DWORD charcode) const1332 int CPDF_CIDFont::AppendChar(FX_LPSTR str, FX_DWORD charcode) const
1333 {
1334     return m_pCMap->AppendChar(str, charcode);
1335 }
IsUnicodeCompatible() const1336 FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const
1337 {
1338     if (!m_pCMap->IsLoaded() || m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) {
1339         return m_pCMap->m_Coding != CIDCODING_UNKNOWN;
1340     }
1341     return TRUE;
1342 }
IsFontStyleFromCharCode(FX_DWORD charcode) const1343 FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const
1344 {
1345     return TRUE;
1346 }
LoadSubstFont()1347 void CPDF_CIDFont::LoadSubstFont()
1348 {
1349     m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, g_CharsetCPs[m_Charset], IsVertWriting());
1350 }
LoadMetricsArray(CPDF_Array * pArray,CFX_DWordArray & result,int nElements)1351 void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, CFX_DWordArray& result, int nElements)
1352 {
1353     int width_status = 0;
1354     int iCurElement = 0;
1355     int first_code = 0, last_code;
1356     FX_DWORD count = pArray->GetCount();
1357     for (FX_DWORD i = 0; i < count; i ++) {
1358         CPDF_Object* pObj = pArray->GetElementValue(i);
1359         if (pObj == NULL) {
1360             continue;
1361         }
1362         if (pObj->GetType() == PDFOBJ_ARRAY) {
1363             if (width_status != 1) {
1364                 return;
1365             }
1366             CPDF_Array* pArray = (CPDF_Array*)pObj;
1367             FX_DWORD count = pArray->GetCount();
1368             for (FX_DWORD j = 0; j < count; j += nElements) {
1369                 result.Add(first_code);
1370                 result.Add(first_code);
1371                 for (int k = 0; k < nElements; k ++) {
1372                     result.Add(pArray->GetInteger(j + k));
1373                 }
1374                 first_code ++;
1375             }
1376             width_status = 0;
1377         } else {
1378             if (width_status == 0) {
1379                 first_code = pObj->GetInteger();
1380                 width_status = 1;
1381             } else if (width_status == 1) {
1382                 last_code = pObj->GetInteger();
1383                 width_status = 2;
1384                 iCurElement = 0;
1385             } else {
1386                 if (!iCurElement) {
1387                     result.Add(first_code);
1388                     result.Add(last_code);
1389                 }
1390                 result.Add(pObj->GetInteger());
1391                 iCurElement ++;
1392                 if (iCurElement == nElements) {
1393                     width_status = 0;
1394                 }
1395             }
1396         }
1397     }
1398 }
LoadGB2312()1399 FX_BOOL CPDF_CIDFont::LoadGB2312()
1400 {
1401     m_BaseFont = m_pFontDict->GetString(FX_BSTRC("BaseFont"));
1402     CPDF_Dictionary* pFontDesc = m_pFontDict->GetDict(FX_BSTRC("FontDescriptor"));
1403     if (pFontDesc) {
1404         LoadFontDescriptor(pFontDesc);
1405     }
1406     m_Charset = CIDSET_GB1;
1407     m_bType1 = FALSE;
1408     m_pCMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetPredefinedCMap(
1409                   FX_BSTRC("GBK-EUC-H"), FALSE);
1410     m_pCID2UnicodeMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE);
1411     if (!IsEmbedded()) {
1412         LoadSubstFont();
1413     }
1414     CheckFontMetrics();
1415     m_DefaultWidth = 1000;
1416     m_pAnsiWidths = FX_Alloc(FX_WORD, 128);
1417     for (int i = 32; i < 127; i ++) {
1418         m_pAnsiWidths[i] = 500;
1419     }
1420     return TRUE;
1421 }
1422 const struct _CIDTransform {
1423     FX_WORD		CID;
1424     FX_BYTE		a, b, c, d, e, f;
1425 }
1426 Japan1_VertCIDs[] = {
1427     {97, 129, 0, 0, 127, 55, 0},
1428     {7887, 127, 0, 0, 127, 76, 89},
1429     {7888, 127, 0, 0, 127, 79, 94},
1430     {7889, 0, 129, 127, 0, 17, 127},
1431     {7890, 0, 129, 127, 0, 17, 127},
1432     {7891, 0, 129, 127, 0, 17, 127},
1433     {7892, 0, 129, 127, 0, 17, 127},
1434     {7893, 0, 129, 127, 0, 17, 127},
1435     {7894, 0, 129, 127, 0, 17, 127},
1436     {7895, 0, 129, 127, 0, 17, 127},
1437     {7896, 0, 129, 127, 0, 17, 127},
1438     {7897, 0, 129, 127, 0, 17, 127},
1439     {7898, 0, 129, 127, 0, 17, 127},
1440     {7899, 0, 129, 127, 0, 17, 104},
1441     {7900, 0, 129, 127, 0, 17, 127},
1442     {7901, 0, 129, 127, 0, 17, 104},
1443     {7902, 0, 129, 127, 0, 17, 127},
1444     {7903, 0, 129, 127, 0, 17, 127},
1445     {7904, 0, 129, 127, 0, 17, 127},
1446     {7905, 0, 129, 127, 0, 17, 114},
1447     {7906, 0, 129, 127, 0, 17, 127},
1448     {7907, 0, 129, 127, 0, 17, 127},
1449     {7908, 0, 129, 127, 0, 17, 127},
1450     {7909, 0, 129, 127, 0, 17, 127},
1451     {7910, 0, 129, 127, 0, 17, 127},
1452     {7911, 0, 129, 127, 0, 17, 127},
1453     {7912, 0, 129, 127, 0, 17, 127},
1454     {7913, 0, 129, 127, 0, 17, 127},
1455     {7914, 0, 129, 127, 0, 17, 127},
1456     {7915, 0, 129, 127, 0, 17, 114},
1457     {7916, 0, 129, 127, 0, 17, 127},
1458     {7917, 0, 129, 127, 0, 17, 127},
1459     {7918, 127, 0, 0, 127, 18, 25},
1460     {7919, 127, 0, 0, 127, 18, 25},
1461     {7920, 127, 0, 0, 127, 18, 25},
1462     {7921, 127, 0, 0, 127, 18, 25},
1463     {7922, 127, 0, 0, 127, 18, 25},
1464     {7923, 127, 0, 0, 127, 18, 25},
1465     {7924, 127, 0, 0, 127, 18, 25},
1466     {7925, 127, 0, 0, 127, 18, 25},
1467     {7926, 127, 0, 0, 127, 18, 25},
1468     {7927, 127, 0, 0, 127, 18, 25},
1469     {7928, 127, 0, 0, 127, 18, 25},
1470     {7929, 127, 0, 0, 127, 18, 25},
1471     {7930, 127, 0, 0, 127, 18, 25},
1472     {7931, 127, 0, 0, 127, 18, 25},
1473     {7932, 127, 0, 0, 127, 18, 25},
1474     {7933, 127, 0, 0, 127, 18, 25},
1475     {7934, 127, 0, 0, 127, 18, 25},
1476     {7935, 127, 0, 0, 127, 18, 25},
1477     {7936, 127, 0, 0, 127, 18, 25},
1478     {7937, 127, 0, 0, 127, 18, 25},
1479     {7938, 127, 0, 0, 127, 18, 25},
1480     {7939, 127, 0, 0, 127, 18, 25},
1481     {8720, 0, 129, 127, 0, 19, 102},
1482     {8721, 0, 129, 127, 0, 13, 127},
1483     {8722, 0, 129, 127, 0, 19, 108},
1484     {8723, 0, 129, 127, 0, 19, 102},
1485     {8724, 0, 129, 127, 0, 19, 102},
1486     {8725, 0, 129, 127, 0, 19, 102},
1487     {8726, 0, 129, 127, 0, 19, 102},
1488     {8727, 0, 129, 127, 0, 19, 102},
1489     {8728, 0, 129, 127, 0, 19, 114},
1490     {8729, 0, 129, 127, 0, 19, 114},
1491     {8730, 0, 129, 127, 0, 38, 108},
1492     {8731, 0, 129, 127, 0, 13, 108},
1493     {8732, 0, 129, 127, 0, 19, 108},
1494     {8733, 0, 129, 127, 0, 19, 108},
1495     {8734, 0, 129, 127, 0, 19, 108},
1496     {8735, 0, 129, 127, 0, 19, 108},
1497     {8736, 0, 129, 127, 0, 19, 102},
1498     {8737, 0, 129, 127, 0, 19, 102},
1499     {8738, 0, 129, 127, 0, 19, 102},
1500     {8739, 0, 129, 127, 0, 19, 102},
1501     {8740, 0, 129, 127, 0, 19, 102},
1502     {8741, 0, 129, 127, 0, 19, 102},
1503     {8742, 0, 129, 127, 0, 19, 102},
1504     {8743, 0, 129, 127, 0, 19, 102},
1505     {8744, 0, 129, 127, 0, 19, 102},
1506     {8745, 0, 129, 127, 0, 19, 102},
1507     {8746, 0, 129, 127, 0, 19, 114},
1508     {8747, 0, 129, 127, 0, 19, 114},
1509     {8748, 0, 129, 127, 0, 19, 102},
1510     {8749, 0, 129, 127, 0, 19, 102},
1511     {8750, 0, 129, 127, 0, 19, 102},
1512     {8751, 0, 129, 127, 0, 19, 102},
1513     {8752, 0, 129, 127, 0, 19, 102},
1514     {8753, 0, 129, 127, 0, 19, 102},
1515     {8754, 0, 129, 127, 0, 19, 102},
1516     {8755, 0, 129, 127, 0, 19, 102},
1517     {8756, 0, 129, 127, 0, 19, 102},
1518     {8757, 0, 129, 127, 0, 19, 102},
1519     {8758, 0, 129, 127, 0, 19, 102},
1520     {8759, 0, 129, 127, 0, 19, 102},
1521     {8760, 0, 129, 127, 0, 19, 102},
1522     {8761, 0, 129, 127, 0, 19, 102},
1523     {8762, 0, 129, 127, 0, 19, 102},
1524     {8763, 0, 129, 127, 0, 19, 102},
1525     {8764, 0, 129, 127, 0, 19, 102},
1526     {8765, 0, 129, 127, 0, 19, 102},
1527     {8766, 0, 129, 127, 0, 19, 102},
1528     {8767, 0, 129, 127, 0, 19, 102},
1529     {8768, 0, 129, 127, 0, 19, 102},
1530     {8769, 0, 129, 127, 0, 19, 102},
1531     {8770, 0, 129, 127, 0, 19, 102},
1532     {8771, 0, 129, 127, 0, 19, 102},
1533     {8772, 0, 129, 127, 0, 19, 102},
1534     {8773, 0, 129, 127, 0, 19, 102},
1535     {8774, 0, 129, 127, 0, 19, 102},
1536     {8775, 0, 129, 127, 0, 19, 102},
1537     {8776, 0, 129, 127, 0, 19, 102},
1538     {8777, 0, 129, 127, 0, 19, 102},
1539     {8778, 0, 129, 127, 0, 19, 102},
1540     {8779, 0, 129, 127, 0, 19, 114},
1541     {8780, 0, 129, 127, 0, 19, 108},
1542     {8781, 0, 129, 127, 0, 19, 114},
1543     {8782, 0, 129, 127, 0, 13, 114},
1544     {8783, 0, 129, 127, 0, 19, 108},
1545     {8784, 0, 129, 127, 0, 13, 114},
1546     {8785, 0, 129, 127, 0, 19, 108},
1547     {8786, 0, 129, 127, 0, 19, 108},
1548     {8787, 0, 129, 127, 0, 19, 108},
1549     {8788, 0, 129, 127, 0, 19, 108},
1550     {8789, 0, 129, 127, 0, 19, 108},
1551     {8790, 0, 129, 127, 0, 19, 108},
1552     {8791, 0, 129, 127, 0, 19, 108},
1553     {8792, 0, 129, 127, 0, 19, 108},
1554     {8793, 0, 129, 127, 0, 19, 108},
1555     {8794, 0, 129, 127, 0, 19, 108},
1556     {8795, 0, 129, 127, 0, 19, 108},
1557     {8796, 0, 129, 127, 0, 19, 108},
1558     {8797, 0, 129, 127, 0, 19, 108},
1559     {8798, 0, 129, 127, 0, 19, 108},
1560     {8799, 0, 129, 127, 0, 19, 108},
1561     {8800, 0, 129, 127, 0, 19, 108},
1562     {8801, 0, 129, 127, 0, 19, 108},
1563     {8802, 0, 129, 127, 0, 19, 108},
1564     {8803, 0, 129, 127, 0, 19, 108},
1565     {8804, 0, 129, 127, 0, 19, 108},
1566     {8805, 0, 129, 127, 0, 19, 108},
1567     {8806, 0, 129, 127, 0, 19, 108},
1568     {8807, 0, 129, 127, 0, 19, 108},
1569     {8808, 0, 129, 127, 0, 19, 108},
1570     {8809, 0, 129, 127, 0, 19, 108},
1571     {8810, 0, 129, 127, 0, 19, 108},
1572     {8811, 0, 129, 127, 0, 19, 114},
1573     {8812, 0, 129, 127, 0, 19, 102},
1574     {8813, 0, 129, 127, 0, 19, 114},
1575     {8814, 0, 129, 127, 0, 76, 102},
1576     {8815, 0, 129, 127, 0, 13, 121},
1577     {8816, 0, 129, 127, 0, 19, 114},
1578     {8817, 0, 129, 127, 0, 19, 127},
1579     {8818, 0, 129, 127, 0, 19, 114},
1580     {8819, 0, 129, 127, 0, 218, 108},
1581 };
GetCIDTransform(FX_WORD CID) const1582 FX_LPCBYTE CPDF_CIDFont::GetCIDTransform(FX_WORD CID) const
1583 {
1584     if (m_Charset != CIDSET_JAPAN1 || m_pFontFile != NULL) {
1585         return NULL;
1586     }
1587     int begin = 0;
1588     int end = sizeof Japan1_VertCIDs / sizeof(struct _CIDTransform) - 1;
1589     while (begin <= end) {
1590         int middle = (begin + end) / 2;
1591         FX_WORD middlecode = Japan1_VertCIDs[middle].CID;
1592         if (middlecode > CID) {
1593             end = middle - 1;
1594         } else if (middlecode < CID) {
1595             begin = middle + 1;
1596         } else {
1597             return &Japan1_VertCIDs[middle].a;
1598         }
1599     }
1600     return NULL;
1601 }
1602