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"
13extern FX_DWORD FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode);
14extern FX_LPVOID FXFC_LoadPackage(FX_LPCSTR name);
15extern FX_BOOL FXFC_LoadFile(FX_LPVOID pPackage, FX_LPCSTR name, FX_LPBYTE& pBuffer, FX_DWORD& size);
16extern void FXFC_ClosePackage(FX_LPVOID pPackage);
17extern short TT2PDF(int m, FXFT_Face face);
18extern FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id);
19extern FX_LPCSTR GetAdobeCharName(int iBaseEncoding, const CFX_ByteString* pCharNames, int charcode);
20CPDF_CMapManager::CPDF_CMapManager()
21{
22#ifndef _FPDFAPI_MINI_
23    m_bPrompted = FALSE;
24    m_pPackage = NULL;
25#endif
26    FXSYS_memset32(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps);
27}
28CPDF_CMapManager::~CPDF_CMapManager()
29{
30    DropAll(FALSE);
31#ifndef _FPDFAPI_MINI_
32    if (m_pPackage) {
33        FXFC_ClosePackage(m_pPackage);
34    }
35#endif
36}
37#ifndef _FPDFAPI_MINI_
38FX_LPVOID CPDF_CMapManager::GetPackage(FX_BOOL bPrompt)
39{
40#ifndef FOXIT_CHROME_BUILD
41    if (m_pPackage == NULL) {
42        CFX_ByteString filename = CPDF_ModuleMgr::Get()->GetModuleFilePath(ADDIN_NAME_CJK, "FPDFCJK.BIN");
43        m_pPackage = FXFC_LoadPackage(filename);
44        if (bPrompt && m_pPackage == NULL && !m_bPrompted) {
45            m_bPrompted = TRUE;
46            if (!CPDF_ModuleMgr::Get()->DownloadModule(ADDIN_NAME_CJK)) {
47                return NULL;
48            }
49            m_pPackage = FXFC_LoadPackage(filename);
50        }
51    }
52#endif
53    return m_pPackage;
54}
55#endif
56CPDF_CMap* CPDF_CMapManager::GetPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK)
57{
58    CPDF_CMap* pCMap;
59    if (m_CMaps.Lookup(name, (FX_LPVOID&)pCMap)) {
60        return pCMap;
61    }
62    pCMap = LoadPredefinedCMap(name, bPromptCJK);
63    if (name.IsEmpty()) {
64        return pCMap;
65    }
66    m_CMaps.SetAt(name, pCMap);
67    return pCMap;
68}
69CPDF_CMap* CPDF_CMapManager::LoadPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK)
70{
71    CPDF_CMap* pCMap = FX_NEW CPDF_CMap;
72    FX_LPCSTR pname = name;
73    if (*pname == '/') {
74        pname ++;
75    }
76    pCMap->LoadPredefined(this, pname, bPromptCJK);
77    return pCMap;
78}
79const FX_LPCSTR g_CharsetNames[] = {NULL, "GB1", "CNS1", "Japan1", "Korea1", "UCS", NULL};
80const int g_CharsetCPs[] = {0, 936, 950, 932, 949, 1200, 0};
81int _CharsetFromOrdering(const CFX_ByteString& Ordering)
82{
83    int charset = 1;
84    while (g_CharsetNames[charset] && Ordering != CFX_ByteStringC(g_CharsetNames[charset])) {
85        charset ++;
86    }
87    if (g_CharsetNames[charset] == NULL) {
88        return CIDSET_UNKNOWN;
89    }
90    return charset;
91}
92void CPDF_CMapManager::ReloadAll()
93{
94    DropAll(TRUE);
95}
96void CPDF_CMapManager::DropAll(FX_BOOL bReload)
97{
98    FX_POSITION pos = m_CMaps.GetStartPosition();
99    while (pos) {
100        CFX_ByteString name;
101        CPDF_CMap* pCMap;
102        m_CMaps.GetNextAssoc(pos, name, (FX_LPVOID&)pCMap);
103        if (pCMap == NULL) {
104            continue;
105        }
106        if (bReload) {
107            pCMap->LoadPredefined(this, name, FALSE);
108        } else {
109            delete pCMap;
110        }
111    }
112    for (int i = 0; i < sizeof m_CID2UnicodeMaps / sizeof(CPDF_CID2UnicodeMap*); i ++) {
113        CPDF_CID2UnicodeMap* pMap = m_CID2UnicodeMaps[i];
114        if (pMap == NULL) {
115            continue;
116        }
117        if (bReload) {
118            pMap->Load(this, i, FALSE);
119        } else {
120            delete pMap;
121        }
122    }
123}
124CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(int charset, FX_BOOL bPromptCJK)
125{
126    if (m_CID2UnicodeMaps[charset] == NULL) {
127        m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK);
128    }
129    return m_CID2UnicodeMaps[charset];
130}
131CPDF_CID2UnicodeMap* CPDF_CMapManager::LoadCID2UnicodeMap(int charset, FX_BOOL bPromptCJK)
132{
133    CPDF_CID2UnicodeMap* pMap = FX_NEW CPDF_CID2UnicodeMap();
134    if (!pMap->Initialize()) {
135        delete pMap;
136        return NULL;
137    }
138    pMap->Load(this, charset, bPromptCJK);
139    return pMap;
140}
141CPDF_CMapParser::CPDF_CMapParser()
142{
143    m_pCMap = NULL;
144    m_Status = 0;
145    m_CodeSeq = 0;
146}
147FX_BOOL	CPDF_CMapParser::Initialize(CPDF_CMap* pCMap)
148{
149    m_pCMap = pCMap;
150    m_Status = 0;
151    m_CodeSeq = 0;
152    m_AddMaps.EstimateSize(0, 10240);
153    return TRUE;
154}
155static FX_DWORD CMap_GetCode(FX_BSTR word)
156{
157    int num = 0;
158    if (word.GetAt(0) == '<') {
159        for (int i = 1; i < word.GetLength(); i ++) {
160            FX_BYTE digit = word.GetAt(i);
161            if (digit >= '0' && digit <= '9') {
162                digit = digit - '0';
163            } else if (digit >= 'a' && digit <= 'f') {
164                digit = digit - 'a' + 10;
165            } else if (digit >= 'A' && digit <= 'F') {
166                digit = digit - 'A' + 10;
167            } else {
168                return num;
169            }
170            num = num * 16 + digit;
171        }
172    } else {
173        for (int i = 0; i < word.GetLength(); i ++) {
174            if (word.GetAt(i) < '0' || word.GetAt(i) > '9') {
175                return num;
176            }
177            num = num * 10 + word.GetAt(i) - '0';
178        }
179    }
180    return num;
181}
182static FX_BOOL _CMap_GetCodeRange(_CMap_CodeRange& range, FX_BSTR first, FX_BSTR second)
183{
184    if (first.GetLength() == 0 || first.GetAt(0) != '<') {
185        return FALSE;
186    }
187    int num = 0;
188    int i;
189    for (i = 1; i < first.GetLength(); i ++)
190        if (first.GetAt(i) == '>') {
191            break;
192        }
193    range.m_CharSize = (i - 1) / 2;
194    if (range.m_CharSize > 4) {
195        return FALSE;
196    }
197    for (i = 0; i < range.m_CharSize; i ++) {
198        FX_BYTE digit1 = first.GetAt(i * 2 + 1);
199        FX_BYTE digit2 = first.GetAt(i * 2 + 2);
200        FX_BYTE byte = (digit1 >= '0' && digit1 <= '9') ? (digit1 - '0') : ((digit1 & 0xdf) - 'A' + 10);
201        byte = byte * 16 + ((digit2 >= '0' && digit2 <= '9') ? (digit2 - '0') : ((digit2 & 0xdf) - 'A' + 10));
202        range.m_Lower[i] = byte;
203    }
204    FX_DWORD size = second.GetLength();
205    for (i = 0; i < range.m_CharSize; i ++) {
206        FX_BYTE digit1 = ((FX_DWORD)i * 2 + 1 < size) ? second.GetAt((FX_STRSIZE)i * 2 + 1) : 0;
207        FX_BYTE digit2 = ((FX_DWORD)i * 2 + 2 < size) ? second.GetAt((FX_STRSIZE)i * 2 + 2) : 0;
208        FX_BYTE byte = (digit1 >= '0' && digit1 <= '9') ? (digit1 - '0') : ((digit1 & 0xdf) - 'A' + 10);
209        byte = byte * 16 + ((digit2 >= '0' && digit2 <= '9') ? (digit2 - '0') : ((digit2 & 0xdf) - 'A' + 10));
210        range.m_Upper[i] = byte;
211    }
212    return TRUE;
213}
214static CFX_ByteString CMap_GetString(FX_BSTR word)
215{
216    return word.Mid(1, word.GetLength() - 2);
217}
218void CPDF_CMapParser::ParseWord(FX_BSTR word)
219{
220    if (word.IsEmpty()) {
221        return;
222    }
223    if (word == FX_BSTRC("begincidchar")) {
224        m_Status = 1;
225        m_CodeSeq = 0;
226    } else if (word == FX_BSTRC("begincidrange")) {
227        m_Status = 2;
228        m_CodeSeq = 0;
229    } else if (word == FX_BSTRC("endcidrange") || word == FX_BSTRC("endcidchar")) {
230        m_Status = 0;
231    } else if (word == FX_BSTRC("/WMode")) {
232        m_Status = 6;
233    } else if (word == FX_BSTRC("/Registry")) {
234        m_Status = 3;
235    } else if (word == FX_BSTRC("/Ordering")) {
236        m_Status = 4;
237    } else if (word == FX_BSTRC("/Supplement")) {
238        m_Status = 5;
239    } else if (word == FX_BSTRC("begincodespacerange")) {
240        m_Status = 7;
241        m_CodeSeq = 0;
242    } else if (word == FX_BSTRC("usecmap")) {
243    } else if (m_Status == 1 || m_Status == 2) {
244        m_CodePoints[m_CodeSeq] = CMap_GetCode(word);
245        m_CodeSeq ++;
246        FX_DWORD StartCode, EndCode;
247        FX_WORD StartCID;
248        if (m_Status == 1) {
249            if (m_CodeSeq < 2) {
250                return;
251            }
252            EndCode = StartCode = m_CodePoints[0];
253            StartCID = (FX_WORD)m_CodePoints[1];
254        } else {
255            if (m_CodeSeq < 3) {
256                return;
257            }
258            StartCode = m_CodePoints[0];
259            EndCode = m_CodePoints[1];
260            StartCID = (FX_WORD)m_CodePoints[2];
261        }
262        if (EndCode < 0x10000) {
263            for (FX_DWORD code = StartCode; code <= EndCode; code ++) {
264                m_pCMap->m_pMapping[code] = (FX_WORD)(StartCID + code - StartCode);
265            }
266        } else {
267            FX_DWORD buf[2];
268            buf[0] = StartCode;
269            buf[1] = ((EndCode - StartCode) << 16) + StartCID;
270            m_AddMaps.AppendBlock(buf, sizeof buf);
271        }
272        m_CodeSeq = 0;
273    } else if (m_Status == 3) {
274        CMap_GetString(word);
275        m_Status = 0;
276    } else if (m_Status == 4) {
277        m_pCMap->m_Charset = _CharsetFromOrdering(CMap_GetString(word));
278        m_Status = 0;
279    } else if (m_Status == 5) {
280        CMap_GetCode(word);
281        m_Status = 0;
282    } else if (m_Status == 6) {
283        m_pCMap->m_bVertical = CMap_GetCode(word);
284        m_Status = 0;
285    } else if (m_Status == 7) {
286        if (word == FX_BSTRC("endcodespacerange")) {
287            int nSegs = m_CodeRanges.GetSize();
288            if (nSegs > 1) {
289                m_pCMap->m_CodingScheme = CPDF_CMap::MixedFourBytes;
290                m_pCMap->m_nCodeRanges = nSegs;
291                m_pCMap->m_pLeadingBytes = FX_Alloc(FX_BYTE, nSegs * sizeof(_CMap_CodeRange));
292                FXSYS_memcpy32(m_pCMap->m_pLeadingBytes, m_CodeRanges.GetData(), nSegs * sizeof(_CMap_CodeRange));
293            } else if (nSegs == 1) {
294                m_pCMap->m_CodingScheme = (m_CodeRanges[0].m_CharSize == 2) ? CPDF_CMap::TwoBytes : CPDF_CMap::OneByte;
295            }
296            m_Status = 0;
297        } else {
298            if (word.GetLength() == 0 || word.GetAt(0) != '<') {
299                return;
300            }
301            if (m_CodeSeq % 2) {
302                _CMap_CodeRange range;
303                if (_CMap_GetCodeRange(range, m_LastWord, word)) {
304                    m_CodeRanges.Add(range);
305                }
306            }
307            m_CodeSeq ++;
308        }
309    }
310    m_LastWord = word;
311}
312CPDF_CMap::CPDF_CMap()
313{
314    m_Charset = CIDSET_UNKNOWN;
315    m_Coding = CIDCODING_UNKNOWN;
316    m_CodingScheme = TwoBytes;
317    m_bVertical = 0;
318    m_bLoaded = FALSE;
319    m_pMapping = NULL;
320    m_pLeadingBytes = NULL;
321    m_pAddMapping = NULL;
322    m_pEmbedMap = NULL;
323    m_pUseMap = NULL;
324    m_nCodeRanges = 0;
325}
326CPDF_CMap::~CPDF_CMap()
327{
328    if (m_pMapping) {
329        FX_Free(m_pMapping);
330    }
331    if (m_pAddMapping) {
332        FX_Free(m_pAddMapping);
333    }
334    if (m_pLeadingBytes) {
335        FX_Free(m_pLeadingBytes);
336    }
337    if (m_pUseMap) {
338        delete m_pUseMap;
339    }
340}
341void CPDF_CMap::Release()
342{
343    if (m_PredefinedCMap.IsEmpty()) {
344        delete this;
345    }
346}
347const CPDF_PredefinedCMap g_PredefinedCMaps[] = {
348    { "GB-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
349    { "GBpc-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfc} },
350    { "GBK-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
351    { "GBKp-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
352    { "GBK2K-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
353    { "GBK2K", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
354    { "UniGB-UCS2", CIDSET_GB1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
355    { "UniGB-UTF16", CIDSET_GB1, CIDCODING_UTF16, CPDF_CMap::TwoBytes },
356    { "B5pc", CIDSET_CNS1, CIDCODING_BIG5, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfc} },
357    { "HKscs-B5", CIDSET_CNS1, CIDCODING_BIG5, CPDF_CMap::MixedTwoBytes, 1, {0x88, 0xfe} },
358    { "ETen-B5", CIDSET_CNS1, CIDCODING_BIG5, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
359    { "ETenms-B5", CIDSET_CNS1, CIDCODING_BIG5, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
360    { "UniCNS-UCS2", CIDSET_CNS1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
361    { "UniCNS-UTF16", CIDSET_CNS1, CIDCODING_UTF16, CPDF_CMap::TwoBytes },
362    { "83pv-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
363    { "90ms-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
364    { "90msp-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
365    { "90pv-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
366    { "Add-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
367    { "EUC", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x8e, 0x8e, 0xa1, 0xfe} },
368    { "H", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e} },
369    { "V", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e} },
370    { "Ext-RKSJ", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::MixedTwoBytes, 2, {0x81, 0x9f, 0xe0, 0xfc} },
371    { "UniJIS-UCS2", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
372    { "UniJIS-UCS2-HW", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
373    { "UniJIS-UTF16", CIDSET_JAPAN1, CIDCODING_UTF16, CPDF_CMap::TwoBytes },
374    { "KSC-EUC", CIDSET_KOREA1, CIDCODING_KOREA, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
375    { "KSCms-UHC", CIDSET_KOREA1, CIDCODING_KOREA, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
376    { "KSCms-UHC-HW", CIDSET_KOREA1, CIDCODING_KOREA, CPDF_CMap::MixedTwoBytes, 1, {0x81, 0xfe} },
377    { "KSCpc-EUC", CIDSET_KOREA1, CIDCODING_KOREA, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfd} },
378    { "UniKS-UCS2", CIDSET_KOREA1, CIDCODING_UCS2, CPDF_CMap::TwoBytes },
379    { "UniKS-UTF16", CIDSET_KOREA1, CIDCODING_UTF16, CPDF_CMap::TwoBytes },
380    { NULL, 0, 0 }
381};
382extern void FPDFAPI_FindEmbeddedCMap(const char* name, int charset, int coding, const FXCMAP_CMap*& pMap);
383extern FX_WORD FPDFAPI_CIDFromCharCode(const FXCMAP_CMap* pMap, FX_DWORD charcode);
384FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr, FX_LPCSTR pName, FX_BOOL bPromptCJK)
385{
386    m_PredefinedCMap = pName;
387    if (m_PredefinedCMap == FX_BSTRC("Identity-H") || m_PredefinedCMap == FX_BSTRC("Identity-V")) {
388        m_Coding = CIDCODING_CID;
389        m_bVertical = pName[9] == 'V';
390        m_bLoaded = TRUE;
391        return TRUE;
392    }
393    CFX_ByteString cmapid = m_PredefinedCMap;
394    m_bVertical = cmapid.Right(1) == FX_BSTRC("V");
395    if (cmapid.GetLength() > 2) {
396        cmapid = cmapid.Left(cmapid.GetLength() - 2);
397    }
398    int index = 0;
399    while (1) {
400        if (g_PredefinedCMaps[index].m_pName == NULL) {
401            return FALSE;
402        }
403        if (cmapid == CFX_ByteStringC(g_PredefinedCMaps[index].m_pName)) {
404            break;
405        }
406        index ++;
407    }
408    const CPDF_PredefinedCMap& map = g_PredefinedCMaps[index];
409    m_Charset = map.m_Charset;
410    m_Coding = map.m_Coding;
411    m_CodingScheme = map.m_CodingScheme;
412    if (m_CodingScheme == MixedTwoBytes) {
413        m_pLeadingBytes = FX_Alloc(FX_BYTE, 256);
414        FXSYS_memset32(m_pLeadingBytes, 0, 256);
415        for (FX_DWORD i = 0; i < map.m_LeadingSegCount; i ++) {
416            for (int b = map.m_LeadingSegs[i * 2]; b <= map.m_LeadingSegs[i * 2 + 1]; b ++) {
417                m_pLeadingBytes[b] = 1;
418            }
419        }
420    }
421    FPDFAPI_FindEmbeddedCMap(pName, m_Charset, m_Coding, m_pEmbedMap);
422    if (m_pEmbedMap) {
423        m_bLoaded = TRUE;
424        return TRUE;
425    }
426#ifndef _FPDFAPI_MINI_
427    FX_LPVOID pPackage = pMgr->GetPackage(bPromptCJK);
428    FX_LPBYTE pBuffer;
429    FX_DWORD size;
430    if (pPackage == NULL || !FXFC_LoadFile(pPackage, m_PredefinedCMap, pBuffer, size)) {
431        return FALSE;
432    }
433    m_pMapping = FX_Alloc(FX_WORD, 65536);
434    FXSYS_memset32(m_pMapping, 0, 65536 * sizeof(FX_WORD));
435    FX_DWORD dwRecodeEndPos = 0;
436    if (pBuffer[5] == 0) {
437        FX_DWORD dwStartIndex = *(FX_DWORD*)(pBuffer + 8);
438        FX_DWORD dwRecordCount = *(FX_DWORD*)(pBuffer + 16);
439        FX_DWORD dwDataOffset = *(FX_DWORD*)(pBuffer + 20);
440        if (dwRecordCount * 2 + dwStartIndex * 2 < 65536) {
441            FXSYS_memcpy32(m_pMapping + dwStartIndex * 2, pBuffer + dwDataOffset, dwRecordCount * 2);
442        }
443        dwRecodeEndPos = dwDataOffset + dwRecordCount * 2;
444    } else if (pBuffer[5] == 2) {
445        FX_DWORD nSegments = *(FX_DWORD*)(pBuffer + 16);
446        FX_DWORD dwDataOffset = *(FX_DWORD*)(pBuffer + 20);
447        dwRecodeEndPos = dwDataOffset + 6 * nSegments;
448        for (FX_DWORD i = 0; i < nSegments; i ++) {
449            FX_LPBYTE pRecord = pBuffer + dwDataOffset + i * 6;
450            FX_WORD IndexStart = *(FX_WORD*)pRecord;
451            FX_WORD IndexCount = *(FX_WORD*)(pRecord + 2);
452            FX_WORD CodeStart = *(FX_WORD*)(pRecord + 4);
453            if (IndexStart + IndexCount < 65536)
454                for (FX_DWORD j = 0; j < IndexCount; j ++) {
455                    m_pMapping[IndexStart + j ] = (FX_WORD)(CodeStart + j);
456                }
457        }
458    }
459    if (dwRecodeEndPos < size) {
460        FX_DWORD dwMapLen = *(FX_DWORD*)(pBuffer + dwRecodeEndPos);
461        if (dwMapLen) {
462            m_pUseMap = FX_NEW CPDF_CMap;
463            CFX_ByteString bsName(pBuffer + dwRecodeEndPos + 4 , dwMapLen);
464            if (m_pUseMap) {
465                m_pUseMap->LoadPredefined(pMgr, bsName, bPromptCJK);
466            }
467        }
468    }
469    FX_Free(pBuffer);
470    m_bLoaded = TRUE;
471#endif
472    return TRUE;
473}
474extern "C" {
475    static int compare_dword(const void* data1, const void* data2)
476    {
477        return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2);
478    }
479};
480FX_BOOL CPDF_CMap::LoadEmbedded(FX_LPCBYTE pData, FX_DWORD size)
481{
482    m_pMapping = FX_Alloc(FX_WORD, 65536);
483    FXSYS_memset32(m_pMapping, 0, 65536 * sizeof(FX_WORD));
484    CPDF_CMapParser parser;
485    parser.Initialize(this);
486    CPDF_SimpleParser syntax(pData, size);
487    while (1) {
488        CFX_ByteStringC word = syntax.GetWord();
489        if (word.IsEmpty()) {
490            break;
491        }
492        parser.ParseWord(word);
493    }
494    if (m_CodingScheme == MixedFourBytes && parser.m_AddMaps.GetSize()) {
495        m_pAddMapping = FX_Alloc(FX_BYTE, parser.m_AddMaps.GetSize() + 4);
496        *(FX_DWORD*)m_pAddMapping = parser.m_AddMaps.GetSize() / 8;
497        FXSYS_memcpy32(m_pAddMapping + 4, parser.m_AddMaps.GetBuffer(), parser.m_AddMaps.GetSize());
498        FXSYS_qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8, compare_dword);
499    }
500    return TRUE;
501}
502extern "C" {
503    static int compareCID(const void* key, const void* element)
504    {
505        if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) {
506            return -1;
507        }
508        if ((*(FX_DWORD*)key) > (*(FX_DWORD*)element) + ((FX_DWORD*)element)[1] / 65536) {
509            return 1;
510        }
511        return 0;
512    }
513};
514FX_WORD CPDF_CMap::CIDFromCharCode(FX_DWORD charcode) const
515{
516    if (m_Coding == CIDCODING_CID) {
517        return (FX_WORD)charcode;
518    }
519    if (m_pEmbedMap) {
520        return FPDFAPI_CIDFromCharCode(m_pEmbedMap, charcode);
521    }
522    if (m_pMapping == NULL) {
523        return (FX_WORD)charcode;
524    }
525    if (charcode >> 16) {
526        if (m_pAddMapping) {
527            void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4, *(FX_DWORD*)m_pAddMapping, 8, compareCID);
528            if (found == NULL) {
529                if (m_pUseMap) {
530                    return m_pUseMap->CIDFromCharCode(charcode);
531                }
532                return 0;
533            }
534            return (FX_WORD)(((FX_DWORD*)found)[1] % 65536 + charcode - * (FX_DWORD*)found);
535        }
536        if (m_pUseMap) {
537            return m_pUseMap->CIDFromCharCode(charcode);
538        }
539        return 0;
540    }
541    FX_DWORD CID = m_pMapping[charcode];
542    if (!CID && m_pUseMap) {
543        return m_pUseMap->CIDFromCharCode(charcode);
544    }
545    return (FX_WORD)CID;
546}
547static int _CheckCodeRange(FX_LPBYTE codes, int size, _CMap_CodeRange* pRanges, int nRanges)
548{
549    int iSeg = nRanges - 1;
550    while (iSeg >= 0) {
551        if (pRanges[iSeg].m_CharSize < size) {
552            iSeg --;
553            continue;
554        }
555        int iChar = 0;
556        while (iChar < size) {
557            if (codes[iChar] < pRanges[iSeg].m_Lower[iChar] ||
558                    codes[iChar] > pRanges[iSeg].m_Upper[iChar]) {
559                break;
560            }
561            iChar ++;
562        }
563        if (iChar == pRanges[iSeg].m_CharSize) {
564            return 2;
565        }
566        if (iChar) {
567            if (size == pRanges[iSeg].m_CharSize) {
568                return 2;
569            }
570            return 1;
571        }
572        iSeg --;
573    }
574    return 0;
575}
576FX_DWORD CPDF_CMap::GetNextChar(FX_LPCSTR pString, int& offset) const
577{
578    switch (m_CodingScheme) {
579        case OneByte:
580            return ((FX_LPBYTE)pString)[offset++];
581        case TwoBytes:
582            offset += 2;
583            return ((FX_LPBYTE)pString)[offset - 2] * 256 + ((FX_LPBYTE)pString)[offset - 1];
584        case MixedTwoBytes: {
585                FX_BYTE byte1 = ((FX_LPBYTE)pString)[offset++];
586                if (!m_pLeadingBytes[byte1]) {
587                    return byte1;
588                }
589                FX_BYTE byte2 = ((FX_LPBYTE)pString)[offset++];
590                return byte1 * 256 + byte2;
591            }
592        case MixedFourBytes: {
593                FX_BYTE codes[4];
594                int char_size = 1;
595                codes[0] = ((FX_LPBYTE)pString)[offset++];
596                _CMap_CodeRange* pRanges = (_CMap_CodeRange*)m_pLeadingBytes;
597                while (1) {
598                    int ret = _CheckCodeRange(codes, char_size, pRanges, m_nCodeRanges);
599                    if (ret == 0) {
600                        return 0;
601                    }
602                    if (ret == 2) {
603                        FX_DWORD charcode = 0;
604                        for (int i = 0; i < char_size; i ++) {
605                            charcode = (charcode << 8) + codes[i];
606                        }
607                        return charcode;
608                    }
609                    if (char_size == 4) {
610                        return 0;
611                    }
612                    codes[char_size ++] = ((FX_LPBYTE)pString)[offset++];
613                }
614                break;
615            }
616    }
617    return 0;
618}
619int CPDF_CMap::GetCharSize(FX_DWORD charcode) const
620{
621    switch (m_CodingScheme) {
622        case OneByte:
623            return 1;
624        case TwoBytes:
625            return 2;
626        case MixedTwoBytes:
627        case MixedFourBytes:
628            if (charcode < 0x100) {
629                return 1;
630            }
631            if (charcode < 0x10000) {
632                return 2;
633            }
634            if (charcode < 0x1000000) {
635                return 3;
636            }
637            return 4;
638    }
639    return 1;
640}
641int CPDF_CMap::CountChar(FX_LPCSTR pString, int size) const
642{
643    switch (m_CodingScheme) {
644        case OneByte:
645            return size;
646        case TwoBytes:
647            return (size + 1) / 2;
648        case MixedTwoBytes: {
649                int count = 0;
650                for (int i = 0; i < size; i ++) {
651                    count ++;
652                    if (m_pLeadingBytes[((FX_LPBYTE)pString)[i]]) {
653                        i ++;
654                    }
655                }
656                return count;
657            }
658        case MixedFourBytes: {
659                int count = 0, offset = 0;
660                while (offset < size) {
661                    GetNextChar(pString, offset);
662                    count ++;
663                }
664                return count;
665            }
666    }
667    return size;
668}
669int _GetCharSize(FX_DWORD charcode, _CMap_CodeRange* pRanges, int iRangesSize)
670{
671    if (!iRangesSize) {
672        return 1;
673    }
674    FX_BYTE codes[4];
675    codes[0] = codes[1] = 0x00;
676    codes[2] = (FX_BYTE)(charcode >> 8 & 0xFF);
677    codes[3] = (FX_BYTE)charcode;
678    int offset = 0, size = 4;
679    for (int i = 0; i < 4; ++i) {
680        int iSeg = iRangesSize - 1;
681        while (iSeg >= 0) {
682            if (pRanges[iSeg].m_CharSize < size) {
683                iSeg --;
684                continue;
685            }
686            int iChar = 0;
687            while (iChar < size) {
688                if (codes[offset + iChar] < pRanges[iSeg].m_Lower[iChar] ||
689                        codes[offset + iChar] > pRanges[iSeg].m_Upper[iChar]) {
690                    break;
691                }
692                iChar ++;
693            }
694            if (iChar == pRanges[iSeg].m_CharSize) {
695                return size;
696            }
697            iSeg --;
698        }
699        size --;
700        offset ++;
701    }
702    return 1;
703}
704int CPDF_CMap::AppendChar(FX_LPSTR str, FX_DWORD charcode) const
705{
706    switch (m_CodingScheme) {
707        case OneByte:
708            str[0] = (FX_BYTE)charcode;
709            return 1;
710        case TwoBytes:
711            str[0] = (FX_BYTE)(charcode / 256);
712            str[1] = (FX_BYTE)(charcode % 256);
713            return 2;
714        case MixedTwoBytes:
715        case MixedFourBytes:
716            if (charcode < 0x100) {
717                _CMap_CodeRange* pRanges = (_CMap_CodeRange*)m_pLeadingBytes;
718                int iSize = _GetCharSize(charcode, pRanges, m_nCodeRanges);
719                if (iSize == 0) {
720                    iSize = 1;
721                }
722                if (iSize > 1) {
723                    FXSYS_memset32(str, 0, sizeof(FX_BYTE) * iSize);
724                }
725                str[iSize - 1] = (FX_BYTE)charcode;
726                return iSize;
727            } else if (charcode < 0x10000) {
728                str[0] = (FX_BYTE)(charcode >> 8);
729                str[1] = (FX_BYTE)charcode;
730                return 2;
731            } else if (charcode < 0x1000000) {
732                str[0] = (FX_BYTE)(charcode >> 16);
733                str[1] = (FX_BYTE)(charcode >> 8);
734                str[2] = (FX_BYTE)charcode;
735                return 3;
736            } else {
737                str[0] = (FX_BYTE)(charcode >> 24);
738                str[1] = (FX_BYTE)(charcode >> 16);
739                str[2] = (FX_BYTE)(charcode >> 8);
740                str[3] = (FX_BYTE)charcode;
741                return 4;
742            }
743    }
744    return 0;
745}
746CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap()
747{
748    m_EmbeddedCount = 0;
749#ifndef _FPDFAPI_MINI_
750    m_pExternalMap = NULL;
751#endif
752}
753CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap()
754{
755#ifndef _FPDFAPI_MINI_
756    if (m_pExternalMap) {
757        delete m_pExternalMap;
758    }
759#endif
760}
761FX_BOOL CPDF_CID2UnicodeMap::Initialize()
762{
763#ifndef _FPDFAPI_MINI_
764    m_pExternalMap = FX_NEW CPDF_FXMP;
765#endif
766    return TRUE;
767}
768FX_BOOL CPDF_CID2UnicodeMap::IsLoaded()
769{
770#ifdef _FPDFAPI_MINI_
771    return m_EmbeddedCount != 0;
772#else
773    return m_EmbeddedCount != 0 || (m_pExternalMap != NULL && m_pExternalMap->IsLoaded());
774#endif
775}
776FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(FX_WORD CID)
777{
778    if (m_Charset == CIDSET_UNICODE) {
779        return CID;
780    }
781    if (CID < m_EmbeddedCount) {
782        return m_pEmbeddedMap[CID];
783    }
784#ifdef _FPDFAPI_MINI_
785    return 0;
786#else
787    FX_LPCBYTE record = m_pExternalMap->GetRecord(CID);
788    if (record == NULL) {
789        return 0;
790    }
791    return *(FX_WORD*)record;
792#endif
793}
794void FPDFAPI_LoadCID2UnicodeMap(int charset, const FX_WORD*& pMap, FX_DWORD& count);
795void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, int charset, FX_BOOL bPromptCJK)
796{
797    m_Charset = charset;
798    FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount);
799    if (m_EmbeddedCount) {
800        return;
801    }
802#ifndef _FPDFAPI_MINI_
803    FX_LPVOID pPackage = pMgr->GetPackage(bPromptCJK);
804    if (pPackage == NULL) {
805        return;
806    }
807    m_pExternalMap->LoadFile(pPackage, FX_BSTRC("CIDInfo_") + g_CharsetNames[charset]);
808#endif
809}
810#include "ttgsubtable.h"
811CPDF_CIDFont::CPDF_CIDFont()
812{
813    m_pCMap = NULL;
814    m_pAllocatedCMap = NULL;
815    m_pCID2UnicodeMap = NULL;
816    m_pAnsiWidths = NULL;
817    m_pCIDToGIDMap = NULL;
818    m_bCIDIsGID = FALSE;
819    m_bAdobeCourierStd = FALSE;
820    m_pTTGSUBTable = NULL;
821    FXSYS_memset8(m_CharBBox, 0xff, 256 * sizeof(FX_SMALL_RECT));
822}
823CPDF_CIDFont::~CPDF_CIDFont()
824{
825    if (m_pAnsiWidths) {
826        FX_Free(m_pAnsiWidths);
827    }
828    if (m_pAllocatedCMap) {
829        delete m_pAllocatedCMap;
830    }
831    if (m_pCIDToGIDMap) {
832        delete m_pCIDToGIDMap;
833    }
834    if (m_pTTGSUBTable) {
835        delete m_pTTGSUBTable;
836    }
837}
838FX_WORD CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const
839{
840    if (m_pCMap == NULL) {
841        return (FX_WORD)charcode;
842    }
843    return m_pCMap->CIDFromCharCode(charcode);
844}
845FX_BOOL CPDF_CIDFont::IsVertWriting() const
846{
847    return m_pCMap ? m_pCMap->IsVertWriting() : FALSE;
848}
849extern FX_DWORD FPDFAPI_CharCodeFromCID(const FXCMAP_CMap* pMap, FX_WORD cid);
850static FX_DWORD _EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap, int charset, FX_WCHAR unicode)
851{
852    if (charset <= 0 || charset > 4) {
853        return 0;
854    }
855    CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
856    const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
857    if (pCodes == NULL) {
858        return 0;
859    }
860    int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count;
861    for (int i = 0; i < nCodes; i++) {
862        if (pCodes[i] == unicode) {
863            FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i);
864            if (CharCode == 0) {
865                continue;
866            }
867            return CharCode;
868        }
869    }
870    return 0;
871}
872static FX_WCHAR _EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap, int charset, FX_DWORD charcode)
873{
874    if (charset <= 0 || charset > 4) {
875        return 0;
876    }
877    FX_WORD cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode);
878    if (cid == 0) {
879        return 0;
880    }
881    CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
882    const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
883    if (pCodes == NULL) {
884        return 0;
885    }
886    if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count) {
887        return pCodes[cid];
888    }
889    return 0;
890}
891FX_WCHAR CPDF_CIDFont::_UnicodeFromCharCode(FX_DWORD charcode) const
892{
893    switch (m_pCMap->m_Coding) {
894        case CIDCODING_UCS2:
895        case CIDCODING_UTF16:
896            return (FX_WCHAR)charcode;
897        case CIDCODING_CID:
898            if (m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) {
899                return 0;
900            }
901            return m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)charcode);
902    }
903    if (!m_pCMap->IsLoaded() || m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) {
904#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
905        FX_WCHAR unicode;
906        int charsize = 1;
907        if (charcode > 255) {
908            charcode = (charcode % 256) * 256 + (charcode / 256);
909            charsize = 2;
910        }
911        int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0, (FX_LPCSTR)&charcode, charsize, &unicode, 1);
912        if (ret != 1) {
913            return 0;
914        }
915        return unicode;
916#endif
917        if (m_pCMap->m_pEmbedMap) {
918            return _EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, charcode);
919        } else {
920            return 0;
921        }
922    }
923    return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode));
924}
925FX_DWORD CPDF_CIDFont::_CharCodeFromUnicode(FX_WCHAR unicode) const
926{
927    switch (m_pCMap->m_Coding) {
928        case CIDCODING_UNKNOWN:
929            return 0;
930        case CIDCODING_UCS2:
931        case CIDCODING_UTF16:
932            return unicode;
933        case CIDCODING_CID: {
934                if (m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) {
935                    return 0;
936                }
937                FX_DWORD CID = 0;
938                while (CID < 65536) {
939                    FX_WCHAR this_unicode = m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)CID);
940                    if (this_unicode == unicode) {
941                        return CID;
942                    }
943                    CID ++;
944                }
945                break;
946            }
947    }
948#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
949    FX_BYTE buffer[32];
950    int ret = FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1, (char*)buffer, 4, NULL, NULL);
951    if (ret == 1) {
952        return buffer[0];
953    } else if (ret == 2) {
954        return buffer[0] * 256 + buffer[1];
955    }
956    return 0;
957#endif
958    if (unicode < 0x80) {
959        return (FX_DWORD)unicode;
960    } else {
961        if (m_pCMap->m_pEmbedMap) {
962            return _EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, unicode);
963        } else {
964            return 0;
965        }
966    }
967}
968static void FT_UseCIDCharmap(FXFT_Face face, int coding)
969{
970    int encoding;
971    switch (coding) {
972        case CIDCODING_GB:
973            encoding = FXFT_ENCODING_GB2312;
974            break;
975        case CIDCODING_BIG5:
976            encoding = FXFT_ENCODING_BIG5;
977            break;
978        case CIDCODING_JIS:
979            encoding = FXFT_ENCODING_SJIS;
980            break;
981        case CIDCODING_KOREA:
982            encoding = FXFT_ENCODING_JOHAB;
983            break;
984        default:
985            encoding = FXFT_ENCODING_UNICODE;
986    }
987    int err = FXFT_Select_Charmap(face, encoding);
988    if (err) {
989        err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE);
990    }
991    if (err && FXFT_Get_Face_Charmaps(face)) {
992        FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face));
993    }
994}
995FX_BOOL CPDF_CIDFont::_Load()
996{
997    if (m_pFontDict->GetString(FX_BSTRC("Subtype")) == FX_BSTRC("TrueType")) {
998        return LoadGB2312();
999    }
1000    CPDF_Array* pFonts = m_pFontDict->GetArray(FX_BSTRC("DescendantFonts"));
1001    if (pFonts == NULL) {
1002        return FALSE;
1003    }
1004    if (pFonts->GetCount() != 1) {
1005        return FALSE;
1006    }
1007    CPDF_Dictionary* pCIDFontDict = pFonts->GetDict(0);
1008    if (pCIDFontDict == NULL) {
1009        return FALSE;
1010    }
1011    m_BaseFont = pCIDFontDict->GetString(FX_BSTRC("BaseFont"));
1012    if ((m_BaseFont.Compare("CourierStd") == 0 || m_BaseFont.Compare("CourierStd-Bold") == 0
1013            || m_BaseFont.Compare("CourierStd-BoldOblique") == 0 || m_BaseFont.Compare("CourierStd-Oblique") == 0)
1014            && !IsEmbedded()) {
1015        m_bAdobeCourierStd = TRUE;
1016    }
1017    CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDict(FX_BSTRC("FontDescriptor"));
1018    if (pFontDesc) {
1019        LoadFontDescriptor(pFontDesc);
1020    }
1021    CPDF_Object* pEncoding = m_pFontDict->GetElementValue(FX_BSTRC("Encoding"));
1022    if (pEncoding == NULL) {
1023        return FALSE;
1024    }
1025    CFX_ByteString subtype = pCIDFontDict->GetString(FX_BSTRC("Subtype"));
1026    m_bType1 = FALSE;
1027    if (subtype == FX_BSTRC("CIDFontType0")) {
1028        m_bType1 = TRUE;
1029    }
1030    if (pEncoding->GetType() == PDFOBJ_NAME) {
1031        CFX_ByteString cmap = pEncoding->GetString();
1032        m_pCMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetPredefinedCMap(cmap,
1033                  m_pFontFile && m_bType1);
1034    } else if (pEncoding->GetType() == PDFOBJ_STREAM) {
1035        m_pAllocatedCMap = m_pCMap = FX_NEW CPDF_CMap;
1036        CPDF_Stream* pStream = (CPDF_Stream*)pEncoding;
1037        CPDF_StreamAcc acc;
1038        acc.LoadAllData(pStream, FALSE);
1039        m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize());
1040    } else {
1041        return FALSE;
1042    }
1043    if (m_pCMap == NULL) {
1044        return FALSE;
1045    }
1046    m_Charset = m_pCMap->m_Charset;
1047    if (m_Charset == CIDSET_UNKNOWN) {
1048        CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDict(FX_BSTRC("CIDSystemInfo"));
1049        if (pCIDInfo) {
1050            m_Charset = _CharsetFromOrdering(pCIDInfo->GetString(FX_BSTRC("Ordering")));
1051        }
1052    }
1053    if (m_Charset != CIDSET_UNKNOWN)
1054        m_pCID2UnicodeMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetCID2UnicodeMap(m_Charset,
1055                            m_pFontFile == NULL && (m_pCMap->m_Coding == CIDCODING_CID || pCIDFontDict->KeyExist(FX_BSTRC("W"))));
1056    if (m_Font.GetFace()) {
1057        if (m_bType1) {
1058            FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
1059        } else {
1060            FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding);
1061        }
1062    }
1063    m_DefaultWidth = pCIDFontDict->GetInteger(FX_BSTRC("DW"), 1000);
1064    CPDF_Array* pWidthArray = pCIDFontDict->GetArray(FX_BSTRC("W"));
1065    if (pWidthArray) {
1066        LoadMetricsArray(pWidthArray, m_WidthList, 1);
1067    }
1068    if (!IsEmbedded()) {
1069        LoadSubstFont();
1070    }
1071    if (1) {
1072        if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) {
1073            CPDF_Object* pmap = pCIDFontDict->GetElementValue(FX_BSTRC("CIDToGIDMap"));
1074            if (pmap) {
1075                if (pmap->GetType() == PDFOBJ_STREAM) {
1076                    m_pCIDToGIDMap = FX_NEW CPDF_StreamAcc;
1077                    m_pCIDToGIDMap->LoadAllData((CPDF_Stream*)pmap, FALSE);
1078                } else if (pmap->GetString() == FX_BSTRC("Identity")) {
1079#if _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_
1080                    if (m_pFontFile) {
1081                        m_bCIDIsGID = TRUE;
1082                    }
1083#else
1084                    m_bCIDIsGID = TRUE;
1085#endif
1086                }
1087            }
1088        }
1089    }
1090    CheckFontMetrics();
1091    if (IsVertWriting()) {
1092        pWidthArray = pCIDFontDict->GetArray(FX_BSTRC("W2"));
1093        if (pWidthArray) {
1094            LoadMetricsArray(pWidthArray, m_VertMetrics, 3);
1095        }
1096        CPDF_Array* pDefaultArray = pCIDFontDict->GetArray(FX_BSTRC("DW2"));
1097        if (pDefaultArray) {
1098            m_DefaultVY = pDefaultArray->GetInteger(0);
1099            m_DefaultW1 = pDefaultArray->GetInteger(1);
1100        } else {
1101            m_DefaultVY = 880;
1102            m_DefaultW1 = -1000;
1103        }
1104    }
1105    return TRUE;
1106}
1107FX_FLOAT _CIDTransformToFloat(FX_BYTE ch)
1108{
1109    if (ch < 128) {
1110        return ch * 1.0f / 127;
1111    }
1112    return (-255 + ch) * 1.0f / 127;
1113}
1114void CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level)
1115{
1116    if (charcode < 256 && m_CharBBox[charcode].Right != -1) {
1117        rect.bottom = m_CharBBox[charcode].Bottom;
1118        rect.left = m_CharBBox[charcode].Left;
1119        rect.right = m_CharBBox[charcode].Right;
1120        rect.top = m_CharBBox[charcode].Top;
1121        return;
1122    }
1123    FX_BOOL bVert = FALSE;
1124    int glyph_index = GlyphFromCharCode(charcode, &bVert);
1125    if (m_Font.m_Face == NULL) {
1126        rect = FX_RECT(0, 0, 0, 0);
1127    } else {
1128        rect.left = rect.bottom = rect.right = rect.top = 0;
1129        FXFT_Face face = m_Font.m_Face;
1130        if (FXFT_Is_Face_Tricky(face)) {
1131            int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
1132            if (!err) {
1133                FXFT_BBox cbox;
1134                FXFT_Glyph glyph;
1135                err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph);
1136                if (!err) {
1137                    FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
1138                    int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem;
1139                    int	pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem;
1140                    if (pixel_size_x == 0 || pixel_size_y == 0) {
1141                        rect.left = cbox.xMin;
1142                        rect.right = cbox.xMax;
1143                        rect.top = cbox.yMax;
1144                        rect.bottom = cbox.yMin;
1145                    } else {
1146                        rect.left = cbox.xMin * 1000 / pixel_size_x;
1147                        rect.right = cbox.xMax * 1000 / pixel_size_x;
1148                        rect.top = cbox.yMax * 1000 / pixel_size_y;
1149                        rect.bottom = cbox.yMin * 1000 / pixel_size_y;
1150                    }
1151                    if (rect.top > FXFT_Get_Face_Ascender(face)) {
1152                        rect.top = FXFT_Get_Face_Ascender(face);
1153                    }
1154                    if (rect.bottom < FXFT_Get_Face_Descender(face)) {
1155                        rect.bottom = FXFT_Get_Face_Descender(face);
1156                    }
1157                    FXFT_Done_Glyph(glyph);
1158                }
1159            }
1160        } else {
1161            int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE);
1162            if (err == 0) {
1163                rect.left = TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face);
1164                rect.right = TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + FXFT_Get_Glyph_Width(face), face);
1165                rect.top = TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face);
1166                rect.top += rect.top / 64;
1167                rect.bottom = TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - FXFT_Get_Glyph_Height(face), face);
1168            }
1169        }
1170    }
1171    if (m_pFontFile == NULL && m_Charset == CIDSET_JAPAN1) {
1172        FX_WORD CID = CIDFromCharCode(charcode);
1173        FX_LPCBYTE pTransform = GetCIDTransform(CID);
1174        if (pTransform && !bVert) {
1175            CFX_AffineMatrix matrix(_CIDTransformToFloat(pTransform[0]), _CIDTransformToFloat(pTransform[1]),
1176                                    _CIDTransformToFloat(pTransform[2]), _CIDTransformToFloat(pTransform[3]),
1177                                    _CIDTransformToFloat(pTransform[4]) * 1000 , _CIDTransformToFloat(pTransform[5]) * 1000);
1178            CFX_FloatRect rect_f(rect);
1179            rect_f.Transform(&matrix);
1180            rect = rect_f.GetOutterRect();
1181        }
1182    }
1183    if (charcode < 256) {
1184        m_CharBBox[charcode].Bottom = (short)rect.bottom;
1185        m_CharBBox[charcode].Left = (short)rect.left;
1186        m_CharBBox[charcode].Right = (short)rect.right;
1187        m_CharBBox[charcode].Top = (short)rect.top;
1188    }
1189}
1190int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level)
1191{
1192    if (m_pAnsiWidths && charcode < 0x80) {
1193        return m_pAnsiWidths[charcode];
1194    }
1195    FX_WORD cid = CIDFromCharCode(charcode);
1196    int size = m_WidthList.GetSize();
1197    FX_DWORD* list = m_WidthList.GetData();
1198    for (int i = 0; i < size; i += 3) {
1199        if (cid >= list[i] && cid <= list[i + 1]) {
1200            return (int)list[i + 2];
1201        }
1202    }
1203    return m_DefaultWidth;
1204}
1205short CPDF_CIDFont::GetVertWidth(FX_WORD CID) const
1206{
1207    FX_DWORD vertsize = m_VertMetrics.GetSize() / 5;
1208    if (vertsize == 0) {
1209        return m_DefaultW1;
1210    }
1211    const FX_DWORD* pTable = m_VertMetrics.GetData();
1212    for (FX_DWORD i = 0; i < vertsize; i ++)
1213        if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) {
1214            return (short)(int)pTable[i * 5 + 2];
1215        }
1216    return m_DefaultW1;
1217}
1218void CPDF_CIDFont::GetVertOrigin(FX_WORD CID, short& vx, short &vy) const
1219{
1220    FX_DWORD vertsize = m_VertMetrics.GetSize() / 5;
1221    if (vertsize) {
1222        const FX_DWORD* pTable = m_VertMetrics.GetData();
1223        for (FX_DWORD i = 0; i < vertsize; i ++)
1224            if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) {
1225                vx = (short)(int)pTable[i * 5 + 3];
1226                vy = (short)(int)pTable[i * 5 + 4];
1227                return;
1228            }
1229    }
1230    FX_DWORD dwWidth = m_DefaultWidth;
1231    int size = m_WidthList.GetSize();
1232    const FX_DWORD* list = m_WidthList.GetData();
1233    for (int i = 0; i < size; i += 3) {
1234        if (CID >= list[i] && CID <= list[i + 1]) {
1235            dwWidth = (FX_WORD)list[i + 2];
1236            break;
1237        }
1238    }
1239    vx = (short)dwWidth / 2;
1240    vy = (short)m_DefaultVY;
1241}
1242int	CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL *pVertGlyph)
1243{
1244    if (pVertGlyph) {
1245        *pVertGlyph = FALSE;
1246    }
1247    int index = FXFT_Get_Char_Index(m_Font.m_Face, unicode );
1248    if (unicode == 0x2502) {
1249        return index;
1250    }
1251    if (index && IsVertWriting()) {
1252        if (m_pTTGSUBTable) {
1253            TT_uint32_t vindex = 0;
1254            m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
1255            if (vindex) {
1256                index = vindex;
1257                if (pVertGlyph) {
1258                    *pVertGlyph = TRUE;
1259                }
1260            }
1261            return index;
1262        }
1263        if (NULL == m_Font.m_pGsubData) {
1264            unsigned long length = 0;
1265            int error = FXFT_Load_Sfnt_Table( m_Font.m_Face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, NULL, &length);
1266            if (!error) {
1267                m_Font.m_pGsubData = (unsigned char*)FX_Alloc(FX_BYTE, length);
1268            }
1269        }
1270        int error = FXFT_Load_Sfnt_Table( m_Font.m_Face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, m_Font.m_pGsubData, NULL);
1271        if (!error && m_Font.m_pGsubData) {
1272            m_pTTGSUBTable = FX_NEW CFX_CTTGSUBTable;
1273            m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.m_pGsubData);
1274            TT_uint32_t vindex = 0;
1275            m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
1276            if (vindex) {
1277                index = vindex;
1278                if (pVertGlyph) {
1279                    *pVertGlyph = TRUE;
1280                }
1281            }
1282        }
1283        return index;
1284    }
1285    if (pVertGlyph) {
1286        *pVertGlyph = FALSE;
1287    }
1288    return index;
1289}
1290int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL *pVertGlyph)
1291{
1292    if (pVertGlyph) {
1293        *pVertGlyph = FALSE;
1294    }
1295    if (m_pFontFile == NULL && m_pCIDToGIDMap == NULL) {
1296        FX_WORD cid = CIDFromCharCode(charcode);
1297        FX_WCHAR unicode = 0;
1298        if (m_bCIDIsGID) {
1299#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
1300            return cid;
1301#else
1302            if (m_Flags & PDFFONT_SYMBOLIC) {
1303                return cid;
1304            }
1305            CFX_WideString uni_str = UnicodeFromCharCode(charcode);
1306            if (uni_str.IsEmpty()) {
1307                return cid;
1308            }
1309            unicode = uni_str.GetAt(0);
1310#endif
1311        } else {
1312            if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) {
1313                unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid);
1314            }
1315            if (unicode == 0) {
1316                unicode = _UnicodeFromCharCode(charcode);
1317            }
1318            if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) {
1319                unicode = UnicodeFromCharCode(charcode).GetAt(0);
1320            }
1321        }
1322        if (unicode == 0) {
1323            if (!m_bAdobeCourierStd) {
1324                return charcode == 0 ? -1 : (int)charcode;
1325            }
1326            charcode += 31;
1327            int index = 0, iBaseEncoding;
1328            FX_BOOL bMSUnicode = FT_UseTTCharmap(m_Font.m_Face, 3, 1);
1329            FX_BOOL bMacRoman = FALSE;
1330            if (!bMSUnicode) {
1331                bMacRoman = FT_UseTTCharmap(m_Font.m_Face, 1, 0);
1332            }
1333            iBaseEncoding = PDFFONT_ENCODING_STANDARD;
1334            if (bMSUnicode) {
1335                iBaseEncoding = PDFFONT_ENCODING_WINANSI;
1336            } else if (bMacRoman) {
1337                iBaseEncoding = PDFFONT_ENCODING_MACROMAN;
1338            }
1339            FX_LPCSTR name = GetAdobeCharName(iBaseEncoding, NULL, charcode);
1340            if (name == NULL) {
1341                return charcode == 0 ? -1 : (int)charcode;
1342            }
1343            FX_WORD unicode = PDF_UnicodeFromAdobeName(name);
1344            if (unicode) {
1345                if (bMSUnicode) {
1346                    index = FXFT_Get_Char_Index(m_Font.m_Face, unicode);
1347                } else if (bMacRoman) {
1348                    FX_DWORD maccode = FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode);
1349                    index = !maccode ? FXFT_Get_Name_Index(m_Font.m_Face, (char *)name) : FXFT_Get_Char_Index(m_Font.m_Face, maccode);
1350                } else {
1351                    return FXFT_Get_Char_Index(m_Font.m_Face, unicode);
1352                }
1353            } else {
1354                return charcode == 0 ? -1 : (int)charcode;
1355            }
1356            if (index == 0 || index == 0xffff) {
1357                return charcode == 0 ? -1 : (int)charcode;
1358            } else {
1359                return index;
1360            }
1361        }
1362        if (m_Charset == CIDSET_JAPAN1) {
1363            if (unicode == '\\') {
1364                unicode = '/';
1365            }
1366#if !defined(_FPDFAPI_MINI_) && _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
1367            else if (unicode == 0xa5) {
1368                unicode = 0x5c;
1369            }
1370#endif
1371        }
1372        if (m_Font.m_Face == NULL) {
1373            return unicode;
1374        }
1375        int err = FXFT_Select_Charmap(m_Font.m_Face, FXFT_ENCODING_UNICODE);
1376        if (err != 0) {
1377            int i;
1378            for (i = 0; i < FXFT_Get_Face_CharmapCount(m_Font.m_Face); i ++) {
1379                FX_DWORD ret = FT_CharCodeFromUnicode(FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(m_Font.m_Face)[i]), (FX_WCHAR)charcode);
1380                if (ret == 0) {
1381                    continue;
1382                }
1383                FXFT_Set_Charmap(m_Font.m_Face, FXFT_Get_Face_Charmaps(m_Font.m_Face)[i]);
1384                unicode = (FX_WCHAR)ret;
1385                break;
1386            }
1387            if (i == FXFT_Get_Face_CharmapCount(m_Font.m_Face) && i) {
1388                FXFT_Set_Charmap(m_Font.m_Face, FXFT_Get_Face_Charmaps(m_Font.m_Face)[0]);
1389                unicode = (FX_WCHAR)charcode;
1390            }
1391        }
1392        if (FXFT_Get_Face_Charmap(m_Font.m_Face)) {
1393            int index = GetGlyphIndex(unicode, pVertGlyph);
1394            if (index == 0) {
1395                return -1;
1396            }
1397            return index;
1398        }
1399        return unicode ;
1400    }
1401    if (m_Font.m_Face == NULL) {
1402        return -1;
1403    }
1404    FX_WORD cid = CIDFromCharCode(charcode);
1405    if (m_bType1) {
1406        if (NULL == m_pCIDToGIDMap) {
1407            return cid;
1408        }
1409    } else {
1410        if (m_pCIDToGIDMap == NULL) {
1411            if (m_pFontFile && m_pCMap->m_pMapping == NULL) {
1412                return cid;
1413            }
1414            if (m_pCMap->m_Coding == CIDCODING_UNKNOWN || FXFT_Get_Face_Charmap(m_Font.m_Face) == NULL) {
1415                return cid;
1416            }
1417            if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.m_Face)) == FXFT_ENCODING_UNICODE) {
1418                CFX_WideString unicode_str = UnicodeFromCharCode(charcode);
1419                if (unicode_str.IsEmpty()) {
1420                    return -1;
1421                }
1422                charcode = unicode_str.GetAt(0);
1423            }
1424            return GetGlyphIndex(charcode, pVertGlyph);
1425        }
1426    }
1427    FX_DWORD byte_pos = cid * 2;
1428    if (byte_pos + 2 > m_pCIDToGIDMap->GetSize()) {
1429        return -1;
1430    }
1431    FX_LPCBYTE pdata = m_pCIDToGIDMap->GetData() + byte_pos;
1432    return pdata[0] * 256 + pdata[1];
1433}
1434FX_DWORD CPDF_CIDFont::GetNextChar(FX_LPCSTR pString, int& offset) const
1435{
1436    return m_pCMap->GetNextChar(pString, offset);
1437}
1438int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const
1439{
1440    return m_pCMap->GetCharSize(charcode);
1441}
1442int CPDF_CIDFont::CountChar(FX_LPCSTR pString, int size) const
1443{
1444    return m_pCMap->CountChar(pString, size);
1445}
1446int CPDF_CIDFont::AppendChar(FX_LPSTR str, FX_DWORD charcode) const
1447{
1448    return m_pCMap->AppendChar(str, charcode);
1449}
1450FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const
1451{
1452    if (!m_pCMap->IsLoaded() || m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) {
1453        return m_pCMap->m_Coding != CIDCODING_UNKNOWN;
1454    }
1455    return TRUE;
1456}
1457FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const
1458{
1459    return TRUE;
1460}
1461void CPDF_CIDFont::LoadSubstFont()
1462{
1463    m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, g_CharsetCPs[m_Charset], IsVertWriting());
1464}
1465void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, CFX_DWordArray& result, int nElements)
1466{
1467    int width_status = 0;
1468    int iCurElement = 0;
1469    int first_code = 0, last_code;
1470    FX_DWORD count = pArray->GetCount();
1471    for (FX_DWORD i = 0; i < count; i ++) {
1472        CPDF_Object* pObj = pArray->GetElementValue(i);
1473        if (pObj == NULL) {
1474            continue;
1475        }
1476        if (pObj->GetType() == PDFOBJ_ARRAY) {
1477            if (width_status != 1) {
1478                return;
1479            }
1480            CPDF_Array* pArray = (CPDF_Array*)pObj;
1481            FX_DWORD count = pArray->GetCount();
1482            for (FX_DWORD j = 0; j < count; j += nElements) {
1483                result.Add(first_code);
1484                result.Add(first_code);
1485                for (int k = 0; k < nElements; k ++) {
1486                    result.Add(pArray->GetInteger(j + k));
1487                }
1488                first_code ++;
1489            }
1490            width_status = 0;
1491        } else {
1492            if (width_status == 0) {
1493                first_code = pObj->GetInteger();
1494                width_status = 1;
1495            } else if (width_status == 1) {
1496                last_code = pObj->GetInteger();
1497                width_status = 2;
1498                iCurElement = 0;
1499            } else {
1500                if (!iCurElement) {
1501                    result.Add(first_code);
1502                    result.Add(last_code);
1503                }
1504                result.Add(pObj->GetInteger());
1505                iCurElement ++;
1506                if (iCurElement == nElements) {
1507                    width_status = 0;
1508                }
1509            }
1510        }
1511    }
1512}
1513FX_BOOL CPDF_CIDFont::LoadGB2312()
1514{
1515    m_BaseFont = m_pFontDict->GetString(FX_BSTRC("BaseFont"));
1516    CPDF_Dictionary* pFontDesc = m_pFontDict->GetDict(FX_BSTRC("FontDescriptor"));
1517    if (pFontDesc) {
1518        LoadFontDescriptor(pFontDesc);
1519    }
1520    m_Charset = CIDSET_GB1;
1521    m_bType1 = FALSE;
1522    m_pCMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetPredefinedCMap(
1523                  FX_BSTRC("GBK-EUC-H"), FALSE);
1524    m_pCID2UnicodeMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE);
1525    if (!IsEmbedded()) {
1526        LoadSubstFont();
1527    }
1528    CheckFontMetrics();
1529    m_DefaultWidth = 1000;
1530    m_pAnsiWidths = FX_Alloc(FX_WORD, 128);
1531    FXSYS_memset32(m_pAnsiWidths, 0, 128 * sizeof(FX_WORD));
1532    for (int i = 32; i < 127; i ++) {
1533        m_pAnsiWidths[i] = 500;
1534    }
1535    return TRUE;
1536}
1537const struct _CIDTransform {
1538    FX_WORD		CID;
1539    FX_BYTE		a, b, c, d, e, f;
1540}
1541Japan1_VertCIDs[] = {
1542    {97, 129, 0, 0, 127, 55, 0},
1543    {7887, 127, 0, 0, 127, 76, 89},
1544    {7888, 127, 0, 0, 127, 79, 94},
1545    {7889, 0, 129, 127, 0, 17, 127},
1546    {7890, 0, 129, 127, 0, 17, 127},
1547    {7891, 0, 129, 127, 0, 17, 127},
1548    {7892, 0, 129, 127, 0, 17, 127},
1549    {7893, 0, 129, 127, 0, 17, 127},
1550    {7894, 0, 129, 127, 0, 17, 127},
1551    {7895, 0, 129, 127, 0, 17, 127},
1552    {7896, 0, 129, 127, 0, 17, 127},
1553    {7897, 0, 129, 127, 0, 17, 127},
1554    {7898, 0, 129, 127, 0, 17, 127},
1555    {7899, 0, 129, 127, 0, 17, 104},
1556    {7900, 0, 129, 127, 0, 17, 127},
1557    {7901, 0, 129, 127, 0, 17, 104},
1558    {7902, 0, 129, 127, 0, 17, 127},
1559    {7903, 0, 129, 127, 0, 17, 127},
1560    {7904, 0, 129, 127, 0, 17, 127},
1561    {7905, 0, 129, 127, 0, 17, 114},
1562    {7906, 0, 129, 127, 0, 17, 127},
1563    {7907, 0, 129, 127, 0, 17, 127},
1564    {7908, 0, 129, 127, 0, 17, 127},
1565    {7909, 0, 129, 127, 0, 17, 127},
1566    {7910, 0, 129, 127, 0, 17, 127},
1567    {7911, 0, 129, 127, 0, 17, 127},
1568    {7912, 0, 129, 127, 0, 17, 127},
1569    {7913, 0, 129, 127, 0, 17, 127},
1570    {7914, 0, 129, 127, 0, 17, 127},
1571    {7915, 0, 129, 127, 0, 17, 114},
1572    {7916, 0, 129, 127, 0, 17, 127},
1573    {7917, 0, 129, 127, 0, 17, 127},
1574    {7918, 127, 0, 0, 127, 18, 25},
1575    {7919, 127, 0, 0, 127, 18, 25},
1576    {7920, 127, 0, 0, 127, 18, 25},
1577    {7921, 127, 0, 0, 127, 18, 25},
1578    {7922, 127, 0, 0, 127, 18, 25},
1579    {7923, 127, 0, 0, 127, 18, 25},
1580    {7924, 127, 0, 0, 127, 18, 25},
1581    {7925, 127, 0, 0, 127, 18, 25},
1582    {7926, 127, 0, 0, 127, 18, 25},
1583    {7927, 127, 0, 0, 127, 18, 25},
1584    {7928, 127, 0, 0, 127, 18, 25},
1585    {7929, 127, 0, 0, 127, 18, 25},
1586    {7930, 127, 0, 0, 127, 18, 25},
1587    {7931, 127, 0, 0, 127, 18, 25},
1588    {7932, 127, 0, 0, 127, 18, 25},
1589    {7933, 127, 0, 0, 127, 18, 25},
1590    {7934, 127, 0, 0, 127, 18, 25},
1591    {7935, 127, 0, 0, 127, 18, 25},
1592    {7936, 127, 0, 0, 127, 18, 25},
1593    {7937, 127, 0, 0, 127, 18, 25},
1594    {7938, 127, 0, 0, 127, 18, 25},
1595    {7939, 127, 0, 0, 127, 18, 25},
1596    {8720, 0, 129, 127, 0, 19, 102},
1597    {8721, 0, 129, 127, 0, 13, 127},
1598    {8722, 0, 129, 127, 0, 19, 108},
1599    {8723, 0, 129, 127, 0, 19, 102},
1600    {8724, 0, 129, 127, 0, 19, 102},
1601    {8725, 0, 129, 127, 0, 19, 102},
1602    {8726, 0, 129, 127, 0, 19, 102},
1603    {8727, 0, 129, 127, 0, 19, 102},
1604    {8728, 0, 129, 127, 0, 19, 114},
1605    {8729, 0, 129, 127, 0, 19, 114},
1606    {8730, 0, 129, 127, 0, 38, 108},
1607    {8731, 0, 129, 127, 0, 13, 108},
1608    {8732, 0, 129, 127, 0, 19, 108},
1609    {8733, 0, 129, 127, 0, 19, 108},
1610    {8734, 0, 129, 127, 0, 19, 108},
1611    {8735, 0, 129, 127, 0, 19, 108},
1612    {8736, 0, 129, 127, 0, 19, 102},
1613    {8737, 0, 129, 127, 0, 19, 102},
1614    {8738, 0, 129, 127, 0, 19, 102},
1615    {8739, 0, 129, 127, 0, 19, 102},
1616    {8740, 0, 129, 127, 0, 19, 102},
1617    {8741, 0, 129, 127, 0, 19, 102},
1618    {8742, 0, 129, 127, 0, 19, 102},
1619    {8743, 0, 129, 127, 0, 19, 102},
1620    {8744, 0, 129, 127, 0, 19, 102},
1621    {8745, 0, 129, 127, 0, 19, 102},
1622    {8746, 0, 129, 127, 0, 19, 114},
1623    {8747, 0, 129, 127, 0, 19, 114},
1624    {8748, 0, 129, 127, 0, 19, 102},
1625    {8749, 0, 129, 127, 0, 19, 102},
1626    {8750, 0, 129, 127, 0, 19, 102},
1627    {8751, 0, 129, 127, 0, 19, 102},
1628    {8752, 0, 129, 127, 0, 19, 102},
1629    {8753, 0, 129, 127, 0, 19, 102},
1630    {8754, 0, 129, 127, 0, 19, 102},
1631    {8755, 0, 129, 127, 0, 19, 102},
1632    {8756, 0, 129, 127, 0, 19, 102},
1633    {8757, 0, 129, 127, 0, 19, 102},
1634    {8758, 0, 129, 127, 0, 19, 102},
1635    {8759, 0, 129, 127, 0, 19, 102},
1636    {8760, 0, 129, 127, 0, 19, 102},
1637    {8761, 0, 129, 127, 0, 19, 102},
1638    {8762, 0, 129, 127, 0, 19, 102},
1639    {8763, 0, 129, 127, 0, 19, 102},
1640    {8764, 0, 129, 127, 0, 19, 102},
1641    {8765, 0, 129, 127, 0, 19, 102},
1642    {8766, 0, 129, 127, 0, 19, 102},
1643    {8767, 0, 129, 127, 0, 19, 102},
1644    {8768, 0, 129, 127, 0, 19, 102},
1645    {8769, 0, 129, 127, 0, 19, 102},
1646    {8770, 0, 129, 127, 0, 19, 102},
1647    {8771, 0, 129, 127, 0, 19, 102},
1648    {8772, 0, 129, 127, 0, 19, 102},
1649    {8773, 0, 129, 127, 0, 19, 102},
1650    {8774, 0, 129, 127, 0, 19, 102},
1651    {8775, 0, 129, 127, 0, 19, 102},
1652    {8776, 0, 129, 127, 0, 19, 102},
1653    {8777, 0, 129, 127, 0, 19, 102},
1654    {8778, 0, 129, 127, 0, 19, 102},
1655    {8779, 0, 129, 127, 0, 19, 114},
1656    {8780, 0, 129, 127, 0, 19, 108},
1657    {8781, 0, 129, 127, 0, 19, 114},
1658    {8782, 0, 129, 127, 0, 13, 114},
1659    {8783, 0, 129, 127, 0, 19, 108},
1660    {8784, 0, 129, 127, 0, 13, 114},
1661    {8785, 0, 129, 127, 0, 19, 108},
1662    {8786, 0, 129, 127, 0, 19, 108},
1663    {8787, 0, 129, 127, 0, 19, 108},
1664    {8788, 0, 129, 127, 0, 19, 108},
1665    {8789, 0, 129, 127, 0, 19, 108},
1666    {8790, 0, 129, 127, 0, 19, 108},
1667    {8791, 0, 129, 127, 0, 19, 108},
1668    {8792, 0, 129, 127, 0, 19, 108},
1669    {8793, 0, 129, 127, 0, 19, 108},
1670    {8794, 0, 129, 127, 0, 19, 108},
1671    {8795, 0, 129, 127, 0, 19, 108},
1672    {8796, 0, 129, 127, 0, 19, 108},
1673    {8797, 0, 129, 127, 0, 19, 108},
1674    {8798, 0, 129, 127, 0, 19, 108},
1675    {8799, 0, 129, 127, 0, 19, 108},
1676    {8800, 0, 129, 127, 0, 19, 108},
1677    {8801, 0, 129, 127, 0, 19, 108},
1678    {8802, 0, 129, 127, 0, 19, 108},
1679    {8803, 0, 129, 127, 0, 19, 108},
1680    {8804, 0, 129, 127, 0, 19, 108},
1681    {8805, 0, 129, 127, 0, 19, 108},
1682    {8806, 0, 129, 127, 0, 19, 108},
1683    {8807, 0, 129, 127, 0, 19, 108},
1684    {8808, 0, 129, 127, 0, 19, 108},
1685    {8809, 0, 129, 127, 0, 19, 108},
1686    {8810, 0, 129, 127, 0, 19, 108},
1687    {8811, 0, 129, 127, 0, 19, 114},
1688    {8812, 0, 129, 127, 0, 19, 102},
1689    {8813, 0, 129, 127, 0, 19, 114},
1690    {8814, 0, 129, 127, 0, 76, 102},
1691    {8815, 0, 129, 127, 0, 13, 121},
1692    {8816, 0, 129, 127, 0, 19, 114},
1693    {8817, 0, 129, 127, 0, 19, 127},
1694    {8818, 0, 129, 127, 0, 19, 114},
1695    {8819, 0, 129, 127, 0, 218, 108},
1696};
1697FX_LPCBYTE CPDF_CIDFont::GetCIDTransform(FX_WORD CID) const
1698{
1699    if (m_Charset != CIDSET_JAPAN1 || m_pFontFile != NULL) {
1700        return NULL;
1701    }
1702    int begin = 0;
1703    int end = sizeof Japan1_VertCIDs / sizeof(struct _CIDTransform) - 1;
1704    while (begin <= end) {
1705        int middle = (begin + end) / 2;
1706        FX_WORD middlecode = Japan1_VertCIDs[middle].CID;
1707        if (middlecode > CID) {
1708            end = middle - 1;
1709        } else if (middlecode < CID) {
1710            begin = middle + 1;
1711        } else {
1712            return &Japan1_VertCIDs[middle].a;
1713        }
1714    }
1715    return NULL;
1716}
1717