| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "../../../include/fpdfapi/fpdf_module.h" |
| #include "../../../include/fpdfapi/fpdf_page.h" |
| #include "../../../include/fpdfapi/fpdf_resource.h" |
| #include "../../../include/fxge/fx_freetype.h" |
| #include "../../../include/fxge/fx_ge.h" |
| #include "../fpdf_cmaps/cmap_int.h" |
| #include "font_int.h" |
| |
| CPDF_CMapManager::CPDF_CMapManager() { |
| m_bPrompted = FALSE; |
| FXSYS_memset(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps); |
| } |
| CPDF_CMapManager::~CPDF_CMapManager() { |
| for (const auto& pair : m_CMaps) { |
| delete pair.second; |
| } |
| m_CMaps.clear(); |
| for (int i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) { |
| delete m_CID2UnicodeMaps[i]; |
| } |
| } |
| CPDF_CMap* CPDF_CMapManager::GetPredefinedCMap(const CFX_ByteString& name, |
| FX_BOOL bPromptCJK) { |
| auto it = m_CMaps.find(name); |
| if (it != m_CMaps.end()) { |
| return it->second; |
| } |
| CPDF_CMap* pCMap = LoadPredefinedCMap(name, bPromptCJK); |
| if (!name.IsEmpty()) { |
| m_CMaps[name] = pCMap; |
| } |
| return pCMap; |
| } |
| CPDF_CMap* CPDF_CMapManager::LoadPredefinedCMap(const CFX_ByteString& name, |
| FX_BOOL bPromptCJK) { |
| CPDF_CMap* pCMap = new CPDF_CMap; |
| const FX_CHAR* pname = name; |
| if (*pname == '/') { |
| pname++; |
| } |
| pCMap->LoadPredefined(this, pname, bPromptCJK); |
| return pCMap; |
| } |
| static const FX_CHAR* const g_CharsetNames[NUMBER_OF_CIDSETS] = { |
| NULL, "GB1", "CNS1", "Japan1", "Korea1", "UCS"}; |
| static const int g_CharsetCPs[NUMBER_OF_CIDSETS] = {0, 936, 950, |
| 932, 949, 1200}; |
| int _CharsetFromOrdering(const CFX_ByteString& Ordering) { |
| for (int charset = 1; charset < NUMBER_OF_CIDSETS; charset++) { |
| if (Ordering == CFX_ByteStringC(g_CharsetNames[charset])) |
| return charset; |
| } |
| return CIDSET_UNKNOWN; |
| } |
| void CPDF_CMapManager::ReloadAll() { |
| for (const auto& pair : m_CMaps) { |
| CPDF_CMap* pCMap = pair.second; |
| pCMap->LoadPredefined(this, pair.first, FALSE); |
| } |
| for (int i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) { |
| if (CPDF_CID2UnicodeMap* pMap = m_CID2UnicodeMaps[i]) { |
| pMap->Load(this, i, FALSE); |
| } |
| } |
| } |
| CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(int charset, |
| FX_BOOL bPromptCJK) { |
| if (m_CID2UnicodeMaps[charset] == NULL) { |
| m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK); |
| } |
| return m_CID2UnicodeMaps[charset]; |
| } |
| CPDF_CID2UnicodeMap* CPDF_CMapManager::LoadCID2UnicodeMap(int charset, |
| FX_BOOL bPromptCJK) { |
| CPDF_CID2UnicodeMap* pMap = new CPDF_CID2UnicodeMap(); |
| if (!pMap->Initialize()) { |
| delete pMap; |
| return NULL; |
| } |
| pMap->Load(this, charset, bPromptCJK); |
| return pMap; |
| } |
| CPDF_CMapParser::CPDF_CMapParser() { |
| m_pCMap = NULL; |
| m_Status = 0; |
| m_CodeSeq = 0; |
| } |
| FX_BOOL CPDF_CMapParser::Initialize(CPDF_CMap* pCMap) { |
| m_pCMap = pCMap; |
| m_Status = 0; |
| m_CodeSeq = 0; |
| m_AddMaps.EstimateSize(0, 10240); |
| return TRUE; |
| } |
| static FX_DWORD CMap_GetCode(const CFX_ByteStringC& word) { |
| int num = 0; |
| if (word.GetAt(0) == '<') { |
| for (int i = 1; i < word.GetLength(); i++) { |
| uint8_t digit = word.GetAt(i); |
| if (digit >= '0' && digit <= '9') { |
| digit = digit - '0'; |
| } else if (digit >= 'a' && digit <= 'f') { |
| digit = digit - 'a' + 10; |
| } else if (digit >= 'A' && digit <= 'F') { |
| digit = digit - 'A' + 10; |
| } else { |
| return num; |
| } |
| num = num * 16 + digit; |
| } |
| } else { |
| for (int i = 0; i < word.GetLength(); i++) { |
| if (word.GetAt(i) < '0' || word.GetAt(i) > '9') { |
| return num; |
| } |
| num = num * 10 + word.GetAt(i) - '0'; |
| } |
| } |
| return num; |
| } |
| static FX_BOOL _CMap_GetCodeRange(_CMap_CodeRange& range, |
| const CFX_ByteStringC& first, |
| const CFX_ByteStringC& second) { |
| if (first.GetLength() == 0 || first.GetAt(0) != '<') { |
| return FALSE; |
| } |
| int i; |
| for (i = 1; i < first.GetLength(); i++) |
| if (first.GetAt(i) == '>') { |
| break; |
| } |
| range.m_CharSize = (i - 1) / 2; |
| if (range.m_CharSize > 4) { |
| return FALSE; |
| } |
| for (i = 0; i < range.m_CharSize; i++) { |
| uint8_t digit1 = first.GetAt(i * 2 + 1); |
| uint8_t digit2 = first.GetAt(i * 2 + 2); |
| uint8_t byte = (digit1 >= '0' && digit1 <= '9') |
| ? (digit1 - '0') |
| : ((digit1 & 0xdf) - 'A' + 10); |
| byte = byte * 16 + ((digit2 >= '0' && digit2 <= '9') |
| ? (digit2 - '0') |
| : ((digit2 & 0xdf) - 'A' + 10)); |
| range.m_Lower[i] = byte; |
| } |
| FX_DWORD size = second.GetLength(); |
| for (i = 0; i < range.m_CharSize; i++) { |
| uint8_t digit1 = |
| ((FX_DWORD)i * 2 + 1 < size) ? second.GetAt((FX_STRSIZE)i * 2 + 1) : 0; |
| uint8_t digit2 = |
| ((FX_DWORD)i * 2 + 2 < size) ? second.GetAt((FX_STRSIZE)i * 2 + 2) : 0; |
| uint8_t byte = (digit1 >= '0' && digit1 <= '9') |
| ? (digit1 - '0') |
| : ((digit1 & 0xdf) - 'A' + 10); |
| byte = byte * 16 + ((digit2 >= '0' && digit2 <= '9') |
| ? (digit2 - '0') |
| : ((digit2 & 0xdf) - 'A' + 10)); |
| range.m_Upper[i] = byte; |
| } |
| return TRUE; |
| } |
| static CFX_ByteString CMap_GetString(const CFX_ByteStringC& word) { |
| return word.Mid(1, word.GetLength() - 2); |
| } |
| void CPDF_CMapParser::ParseWord(const CFX_ByteStringC& word) { |
| if (word.IsEmpty()) { |
| return; |
| } |
| if (word == FX_BSTRC("begincidchar")) { |
| m_Status = 1; |
| m_CodeSeq = 0; |
| } else if (word == FX_BSTRC("begincidrange")) { |
| m_Status = 2; |
| m_CodeSeq = 0; |
| } else if (word == FX_BSTRC("endcidrange") || |
| word == FX_BSTRC("endcidchar")) { |
| m_Status = 0; |
| } else if (word == FX_BSTRC("/WMode")) { |
| m_Status = 6; |
| } else if (word == FX_BSTRC("/Registry")) { |
| m_Status = 3; |
| } else if (word == FX_BSTRC("/Ordering")) { |
| m_Status = 4; |
| } else if (word == FX_BSTRC("/Supplement")) { |
| m_Status = 5; |
| } else if (word == FX_BSTRC("begincodespacerange")) { |
| m_Status = 7; |
| m_CodeSeq = 0; |
| } else if (word == FX_BSTRC("usecmap")) { |
| } else if (m_Status == 1 || m_Status == 2) { |
| m_CodePoints[m_CodeSeq] = CMap_GetCode(word); |
| m_CodeSeq++; |
| FX_DWORD StartCode, EndCode; |
| FX_WORD StartCID; |
| if (m_Status == 1) { |
| if (m_CodeSeq < 2) { |
| return; |
| } |
| EndCode = StartCode = m_CodePoints[0]; |
| StartCID = (FX_WORD)m_CodePoints[1]; |
| } else { |
| if (m_CodeSeq < 3) { |
| return; |
| } |
| StartCode = m_CodePoints[0]; |
| EndCode = m_CodePoints[1]; |
| StartCID = (FX_WORD)m_CodePoints[2]; |
| } |
| if (EndCode < 0x10000) { |
| for (FX_DWORD code = StartCode; code <= EndCode; code++) { |
| m_pCMap->m_pMapping[code] = (FX_WORD)(StartCID + code - StartCode); |
| } |
| } else { |
| FX_DWORD buf[2]; |
| buf[0] = StartCode; |
| buf[1] = ((EndCode - StartCode) << 16) + StartCID; |
| m_AddMaps.AppendBlock(buf, sizeof buf); |
| } |
| m_CodeSeq = 0; |
| } else if (m_Status == 3) { |
| CMap_GetString(word); |
| m_Status = 0; |
| } else if (m_Status == 4) { |
| m_pCMap->m_Charset = _CharsetFromOrdering(CMap_GetString(word)); |
| m_Status = 0; |
| } else if (m_Status == 5) { |
| CMap_GetCode(word); |
| m_Status = 0; |
| } else if (m_Status == 6) { |
| m_pCMap->m_bVertical = CMap_GetCode(word); |
| m_Status = 0; |
| } else if (m_Status == 7) { |
| if (word == FX_BSTRC("endcodespacerange")) { |
| int nSegs = m_CodeRanges.GetSize(); |
| if (nSegs > 1) { |
| m_pCMap->m_CodingScheme = CPDF_CMap::MixedFourBytes; |
| m_pCMap->m_nCodeRanges = nSegs; |
| m_pCMap->m_pLeadingBytes = |
| FX_Alloc2D(uint8_t, nSegs, sizeof(_CMap_CodeRange)); |
| FXSYS_memcpy(m_pCMap->m_pLeadingBytes, m_CodeRanges.GetData(), |
| nSegs * sizeof(_CMap_CodeRange)); |
| } else if (nSegs == 1) { |
| m_pCMap->m_CodingScheme = (m_CodeRanges[0].m_CharSize == 2) |
| ? CPDF_CMap::TwoBytes |
| : CPDF_CMap::OneByte; |
| } |
| m_Status = 0; |
| } else { |
| if (word.GetLength() == 0 || word.GetAt(0) != '<') { |
| return; |
| } |
| if (m_CodeSeq % 2) { |
| _CMap_CodeRange range; |
| if (_CMap_GetCodeRange(range, m_LastWord, word)) { |
| m_CodeRanges.Add(range); |
| } |
| } |
| m_CodeSeq++; |
| } |
| } |
| m_LastWord = word; |
| } |
| CPDF_CMap::CPDF_CMap() { |
| m_Charset = CIDSET_UNKNOWN; |
| m_Coding = CIDCODING_UNKNOWN; |
| m_CodingScheme = TwoBytes; |
| m_bVertical = 0; |
| m_bLoaded = FALSE; |
| m_pMapping = NULL; |
| m_pLeadingBytes = NULL; |
| m_pAddMapping = NULL; |
| m_pEmbedMap = NULL; |
| m_pUseMap = NULL; |
| m_nCodeRanges = 0; |
| } |
| CPDF_CMap::~CPDF_CMap() { |
| FX_Free(m_pMapping); |
| FX_Free(m_pAddMapping); |
| FX_Free(m_pLeadingBytes); |
| delete m_pUseMap; |
| } |
| void CPDF_CMap::Release() { |
| if (m_PredefinedCMap.IsEmpty()) { |
| delete this; |
| } |
| } |
| const CPDF_PredefinedCMap g_PredefinedCMaps[] = { |
| {"GB-EUC", |
| CIDSET_GB1, |
| CIDCODING_GB, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0xa1, 0xfe}}, |
| {"GBpc-EUC", |
| CIDSET_GB1, |
| CIDCODING_GB, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0xa1, 0xfc}}, |
| {"GBK-EUC", |
| CIDSET_GB1, |
| CIDCODING_GB, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0x81, 0xfe}}, |
| {"GBKp-EUC", |
| CIDSET_GB1, |
| CIDCODING_GB, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0x81, 0xfe}}, |
| {"GBK2K-EUC", |
| CIDSET_GB1, |
| CIDCODING_GB, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0x81, 0xfe}}, |
| {"GBK2K", |
| CIDSET_GB1, |
| CIDCODING_GB, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0x81, 0xfe}}, |
| {"UniGB-UCS2", CIDSET_GB1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, |
| {"UniGB-UTF16", CIDSET_GB1, CIDCODING_UTF16, CPDF_CMap::TwoBytes}, |
| {"B5pc", |
| CIDSET_CNS1, |
| CIDCODING_BIG5, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0xa1, 0xfc}}, |
| {"HKscs-B5", |
| CIDSET_CNS1, |
| CIDCODING_BIG5, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0x88, 0xfe}}, |
| {"ETen-B5", |
| CIDSET_CNS1, |
| CIDCODING_BIG5, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0xa1, 0xfe}}, |
| {"ETenms-B5", |
| CIDSET_CNS1, |
| CIDCODING_BIG5, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0xa1, 0xfe}}, |
| {"UniCNS-UCS2", CIDSET_CNS1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, |
| {"UniCNS-UTF16", CIDSET_CNS1, CIDCODING_UTF16, CPDF_CMap::TwoBytes}, |
| {"83pv-RKSJ", |
| CIDSET_JAPAN1, |
| CIDCODING_JIS, |
| CPDF_CMap::MixedTwoBytes, |
| 2, |
| {0x81, 0x9f, 0xe0, 0xfc}}, |
| {"90ms-RKSJ", |
| CIDSET_JAPAN1, |
| CIDCODING_JIS, |
| CPDF_CMap::MixedTwoBytes, |
| 2, |
| {0x81, 0x9f, 0xe0, 0xfc}}, |
| {"90msp-RKSJ", |
| CIDSET_JAPAN1, |
| CIDCODING_JIS, |
| CPDF_CMap::MixedTwoBytes, |
| 2, |
| {0x81, 0x9f, 0xe0, 0xfc}}, |
| {"90pv-RKSJ", |
| CIDSET_JAPAN1, |
| CIDCODING_JIS, |
| CPDF_CMap::MixedTwoBytes, |
| 2, |
| {0x81, 0x9f, 0xe0, 0xfc}}, |
| {"Add-RKSJ", |
| CIDSET_JAPAN1, |
| CIDCODING_JIS, |
| CPDF_CMap::MixedTwoBytes, |
| 2, |
| {0x81, 0x9f, 0xe0, 0xfc}}, |
| {"EUC", |
| CIDSET_JAPAN1, |
| CIDCODING_JIS, |
| CPDF_CMap::MixedTwoBytes, |
| 2, |
| {0x8e, 0x8e, 0xa1, 0xfe}}, |
| {"H", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}}, |
| {"V", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}}, |
| {"Ext-RKSJ", |
| CIDSET_JAPAN1, |
| CIDCODING_JIS, |
| CPDF_CMap::MixedTwoBytes, |
| 2, |
| {0x81, 0x9f, 0xe0, 0xfc}}, |
| {"UniJIS-UCS2", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, |
| {"UniJIS-UCS2-HW", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, |
| {"UniJIS-UTF16", CIDSET_JAPAN1, CIDCODING_UTF16, CPDF_CMap::TwoBytes}, |
| {"KSC-EUC", |
| CIDSET_KOREA1, |
| CIDCODING_KOREA, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0xa1, 0xfe}}, |
| {"KSCms-UHC", |
| CIDSET_KOREA1, |
| CIDCODING_KOREA, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0x81, 0xfe}}, |
| {"KSCms-UHC-HW", |
| CIDSET_KOREA1, |
| CIDCODING_KOREA, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0x81, 0xfe}}, |
| {"KSCpc-EUC", |
| CIDSET_KOREA1, |
| CIDCODING_KOREA, |
| CPDF_CMap::MixedTwoBytes, |
| 1, |
| {0xa1, 0xfd}}, |
| {"UniKS-UCS2", CIDSET_KOREA1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, |
| {"UniKS-UTF16", CIDSET_KOREA1, CIDCODING_UTF16, CPDF_CMap::TwoBytes}, |
| {NULL, 0, 0}}; |
| |
| FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr, |
| const FX_CHAR* pName, |
| FX_BOOL bPromptCJK) { |
| m_PredefinedCMap = pName; |
| if (m_PredefinedCMap == FX_BSTRC("Identity-H") || |
| m_PredefinedCMap == FX_BSTRC("Identity-V")) { |
| m_Coding = CIDCODING_CID; |
| m_bVertical = pName[9] == 'V'; |
| m_bLoaded = TRUE; |
| return TRUE; |
| } |
| CFX_ByteString cmapid = m_PredefinedCMap; |
| m_bVertical = cmapid.Right(1) == FX_BSTRC("V"); |
| if (cmapid.GetLength() > 2) { |
| cmapid = cmapid.Left(cmapid.GetLength() - 2); |
| } |
| int index = 0; |
| while (1) { |
| if (g_PredefinedCMaps[index].m_pName == NULL) { |
| return FALSE; |
| } |
| if (cmapid == CFX_ByteStringC(g_PredefinedCMaps[index].m_pName)) { |
| break; |
| } |
| index++; |
| } |
| const CPDF_PredefinedCMap& map = g_PredefinedCMaps[index]; |
| m_Charset = map.m_Charset; |
| m_Coding = map.m_Coding; |
| m_CodingScheme = map.m_CodingScheme; |
| if (m_CodingScheme == MixedTwoBytes) { |
| m_pLeadingBytes = FX_Alloc(uint8_t, 256); |
| for (FX_DWORD i = 0; i < map.m_LeadingSegCount; i++) { |
| for (int b = map.m_LeadingSegs[i * 2]; b <= map.m_LeadingSegs[i * 2 + 1]; |
| b++) { |
| m_pLeadingBytes[b] = 1; |
| } |
| } |
| } |
| FPDFAPI_FindEmbeddedCMap(pName, m_Charset, m_Coding, m_pEmbedMap); |
| if (m_pEmbedMap) { |
| m_bLoaded = TRUE; |
| return TRUE; |
| } |
| return FALSE; |
| } |
| extern "C" { |
| static int compare_dword(const void* data1, const void* data2) { |
| return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2); |
| } |
| }; |
| FX_BOOL CPDF_CMap::LoadEmbedded(const uint8_t* pData, FX_DWORD size) { |
| m_pMapping = FX_Alloc(FX_WORD, 65536); |
| CPDF_CMapParser parser; |
| parser.Initialize(this); |
| CPDF_SimpleParser syntax(pData, size); |
| while (1) { |
| CFX_ByteStringC word = syntax.GetWord(); |
| if (word.IsEmpty()) { |
| break; |
| } |
| parser.ParseWord(word); |
| } |
| if (m_CodingScheme == MixedFourBytes && parser.m_AddMaps.GetSize()) { |
| m_pAddMapping = FX_Alloc(uint8_t, parser.m_AddMaps.GetSize() + 4); |
| *(FX_DWORD*)m_pAddMapping = parser.m_AddMaps.GetSize() / 8; |
| FXSYS_memcpy(m_pAddMapping + 4, parser.m_AddMaps.GetBuffer(), |
| parser.m_AddMaps.GetSize()); |
| FXSYS_qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8, |
| compare_dword); |
| } |
| return TRUE; |
| } |
| extern "C" { |
| static int compareCID(const void* key, const void* element) { |
| if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) { |
| return -1; |
| } |
| if ((*(FX_DWORD*)key) > |
| (*(FX_DWORD*)element) + ((FX_DWORD*)element)[1] / 65536) { |
| return 1; |
| } |
| return 0; |
| } |
| }; |
| FX_WORD CPDF_CMap::CIDFromCharCode(FX_DWORD charcode) const { |
| if (m_Coding == CIDCODING_CID) { |
| return (FX_WORD)charcode; |
| } |
| if (m_pEmbedMap) { |
| return FPDFAPI_CIDFromCharCode(m_pEmbedMap, charcode); |
| } |
| if (m_pMapping == NULL) { |
| return (FX_WORD)charcode; |
| } |
| if (charcode >> 16) { |
| if (m_pAddMapping) { |
| void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4, |
| *(FX_DWORD*)m_pAddMapping, 8, compareCID); |
| if (found == NULL) { |
| if (m_pUseMap) { |
| return m_pUseMap->CIDFromCharCode(charcode); |
| } |
| return 0; |
| } |
| return (FX_WORD)(((FX_DWORD*)found)[1] % 65536 + charcode - |
| *(FX_DWORD*)found); |
| } |
| if (m_pUseMap) { |
| return m_pUseMap->CIDFromCharCode(charcode); |
| } |
| return 0; |
| } |
| FX_DWORD CID = m_pMapping[charcode]; |
| if (!CID && m_pUseMap) { |
| return m_pUseMap->CIDFromCharCode(charcode); |
| } |
| return (FX_WORD)CID; |
| } |
| static int _CheckCodeRange(uint8_t* codes, |
| int size, |
| _CMap_CodeRange* pRanges, |
| int nRanges) { |
| int iSeg = nRanges - 1; |
| while (iSeg >= 0) { |
| if (pRanges[iSeg].m_CharSize < size) { |
| iSeg--; |
| continue; |
| } |
| int iChar = 0; |
| while (iChar < size) { |
| if (codes[iChar] < pRanges[iSeg].m_Lower[iChar] || |
| codes[iChar] > pRanges[iSeg].m_Upper[iChar]) { |
| break; |
| } |
| iChar++; |
| } |
| if (iChar == pRanges[iSeg].m_CharSize) { |
| return 2; |
| } |
| if (iChar) { |
| if (size == pRanges[iSeg].m_CharSize) { |
| return 2; |
| } |
| return 1; |
| } |
| iSeg--; |
| } |
| return 0; |
| } |
| FX_DWORD CPDF_CMap::GetNextChar(const FX_CHAR* pString, |
| int nStrLen, |
| int& offset) const { |
| switch (m_CodingScheme) { |
| case OneByte: |
| return ((uint8_t*)pString)[offset++]; |
| case TwoBytes: |
| offset += 2; |
| return ((uint8_t*)pString)[offset - 2] * 256 + |
| ((uint8_t*)pString)[offset - 1]; |
| case MixedTwoBytes: { |
| uint8_t byte1 = ((uint8_t*)pString)[offset++]; |
| if (!m_pLeadingBytes[byte1]) { |
| return byte1; |
| } |
| uint8_t byte2 = ((uint8_t*)pString)[offset++]; |
| return byte1 * 256 + byte2; |
| } |
| case MixedFourBytes: { |
| uint8_t codes[4]; |
| int char_size = 1; |
| codes[0] = ((uint8_t*)pString)[offset++]; |
| _CMap_CodeRange* pRanges = (_CMap_CodeRange*)m_pLeadingBytes; |
| while (1) { |
| int ret = _CheckCodeRange(codes, char_size, pRanges, m_nCodeRanges); |
| if (ret == 0) { |
| return 0; |
| } |
| if (ret == 2) { |
| FX_DWORD charcode = 0; |
| for (int i = 0; i < char_size; i++) { |
| charcode = (charcode << 8) + codes[i]; |
| } |
| return charcode; |
| } |
| if (char_size == 4 || offset == nStrLen) { |
| return 0; |
| } |
| codes[char_size++] = ((uint8_t*)pString)[offset++]; |
| } |
| break; |
| } |
| } |
| return 0; |
| } |
| int CPDF_CMap::GetCharSize(FX_DWORD charcode) const { |
| switch (m_CodingScheme) { |
| case OneByte: |
| return 1; |
| case TwoBytes: |
| return 2; |
| case MixedTwoBytes: |
| case MixedFourBytes: |
| if (charcode < 0x100) { |
| return 1; |
| } |
| if (charcode < 0x10000) { |
| return 2; |
| } |
| if (charcode < 0x1000000) { |
| return 3; |
| } |
| return 4; |
| } |
| return 1; |
| } |
| int CPDF_CMap::CountChar(const FX_CHAR* pString, int size) const { |
| switch (m_CodingScheme) { |
| case OneByte: |
| return size; |
| case TwoBytes: |
| return (size + 1) / 2; |
| case MixedTwoBytes: { |
| int count = 0; |
| for (int i = 0; i < size; i++) { |
| count++; |
| if (m_pLeadingBytes[((uint8_t*)pString)[i]]) { |
| i++; |
| } |
| } |
| return count; |
| } |
| case MixedFourBytes: { |
| int count = 0, offset = 0; |
| while (offset < size) { |
| GetNextChar(pString, size, offset); |
| count++; |
| } |
| return count; |
| } |
| } |
| return size; |
| } |
| int _GetCharSize(FX_DWORD charcode, _CMap_CodeRange* pRanges, int iRangesSize) { |
| if (!iRangesSize) { |
| return 1; |
| } |
| uint8_t codes[4]; |
| codes[0] = codes[1] = 0x00; |
| codes[2] = (uint8_t)(charcode >> 8 & 0xFF); |
| codes[3] = (uint8_t)charcode; |
| int offset = 0, size = 4; |
| for (int i = 0; i < 4; ++i) { |
| int iSeg = iRangesSize - 1; |
| while (iSeg >= 0) { |
| if (pRanges[iSeg].m_CharSize < size) { |
| iSeg--; |
| continue; |
| } |
| int iChar = 0; |
| while (iChar < size) { |
| if (codes[offset + iChar] < pRanges[iSeg].m_Lower[iChar] || |
| codes[offset + iChar] > pRanges[iSeg].m_Upper[iChar]) { |
| break; |
| } |
| iChar++; |
| } |
| if (iChar == pRanges[iSeg].m_CharSize) { |
| return size; |
| } |
| iSeg--; |
| } |
| size--; |
| offset++; |
| } |
| return 1; |
| } |
| int CPDF_CMap::AppendChar(FX_CHAR* str, FX_DWORD charcode) const { |
| switch (m_CodingScheme) { |
| case OneByte: |
| str[0] = (uint8_t)charcode; |
| return 1; |
| case TwoBytes: |
| str[0] = (uint8_t)(charcode / 256); |
| str[1] = (uint8_t)(charcode % 256); |
| return 2; |
| case MixedTwoBytes: |
| case MixedFourBytes: |
| if (charcode < 0x100) { |
| _CMap_CodeRange* pRanges = (_CMap_CodeRange*)m_pLeadingBytes; |
| int iSize = _GetCharSize(charcode, pRanges, m_nCodeRanges); |
| if (iSize == 0) { |
| iSize = 1; |
| } |
| if (iSize > 1) { |
| FXSYS_memset(str, 0, sizeof(uint8_t) * iSize); |
| } |
| str[iSize - 1] = (uint8_t)charcode; |
| return iSize; |
| } |
| if (charcode < 0x10000) { |
| str[0] = (uint8_t)(charcode >> 8); |
| str[1] = (uint8_t)charcode; |
| return 2; |
| } |
| if (charcode < 0x1000000) { |
| str[0] = (uint8_t)(charcode >> 16); |
| str[1] = (uint8_t)(charcode >> 8); |
| str[2] = (uint8_t)charcode; |
| return 3; |
| } |
| str[0] = (uint8_t)(charcode >> 24); |
| str[1] = (uint8_t)(charcode >> 16); |
| str[2] = (uint8_t)(charcode >> 8); |
| str[3] = (uint8_t)charcode; |
| return 4; |
| } |
| return 0; |
| } |
| CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap() { |
| m_EmbeddedCount = 0; |
| } |
| CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap() {} |
| FX_BOOL CPDF_CID2UnicodeMap::Initialize() { |
| return TRUE; |
| } |
| FX_BOOL CPDF_CID2UnicodeMap::IsLoaded() { |
| return m_EmbeddedCount != 0; |
| } |
| FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(FX_WORD CID) { |
| if (m_Charset == CIDSET_UNICODE) { |
| return CID; |
| } |
| if (CID < m_EmbeddedCount) { |
| return m_pEmbeddedMap[CID]; |
| } |
| return 0; |
| } |
| void FPDFAPI_LoadCID2UnicodeMap(int charset, |
| const FX_WORD*& pMap, |
| FX_DWORD& count); |
| void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, |
| int charset, |
| FX_BOOL bPromptCJK) { |
| m_Charset = charset; |
| FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount); |
| } |
| #include "ttgsubtable.h" |
| CPDF_CIDFont::CPDF_CIDFont() : CPDF_Font(PDFFONT_CIDFONT) { |
| m_pCMap = NULL; |
| m_pAllocatedCMap = NULL; |
| m_pCID2UnicodeMap = NULL; |
| m_pAnsiWidths = NULL; |
| m_pCIDToGIDMap = NULL; |
| m_bCIDIsGID = FALSE; |
| m_bAdobeCourierStd = FALSE; |
| m_pTTGSUBTable = NULL; |
| FXSYS_memset(m_CharBBox, 0xff, 256 * sizeof(FX_SMALL_RECT)); |
| } |
| CPDF_CIDFont::~CPDF_CIDFont() { |
| if (m_pAnsiWidths) { |
| FX_Free(m_pAnsiWidths); |
| } |
| delete m_pAllocatedCMap; |
| delete m_pCIDToGIDMap; |
| delete m_pTTGSUBTable; |
| } |
| FX_WORD CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const { |
| if (m_pCMap == NULL) { |
| return (FX_WORD)charcode; |
| } |
| return m_pCMap->CIDFromCharCode(charcode); |
| } |
| FX_BOOL CPDF_CIDFont::IsVertWriting() const { |
| return m_pCMap ? m_pCMap->IsVertWriting() : FALSE; |
| } |
| |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| static FX_DWORD _EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap, |
| int charset, |
| FX_WCHAR unicode) { |
| if (charset <= 0 || charset > 4) { |
| return 0; |
| } |
| CPDF_FontGlobals* pFontGlobals = |
| CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); |
| const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; |
| if (pCodes == NULL) { |
| return 0; |
| } |
| int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; |
| for (int i = 0; i < nCodes; i++) { |
| if (pCodes[i] == unicode) { |
| FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i); |
| if (CharCode == 0) { |
| continue; |
| } |
| return CharCode; |
| } |
| } |
| return 0; |
| } |
| #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| |
| static FX_WCHAR _EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap, |
| int charset, |
| FX_DWORD charcode) { |
| if (charset <= 0 || charset > 4) { |
| return 0; |
| } |
| FX_WORD cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode); |
| if (cid == 0) { |
| return 0; |
| } |
| CPDF_FontGlobals* pFontGlobals = |
| CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); |
| const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; |
| if (pCodes == NULL) { |
| return 0; |
| } |
| if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count) { |
| return pCodes[cid]; |
| } |
| return 0; |
| } |
| FX_WCHAR CPDF_CIDFont::_UnicodeFromCharCode(FX_DWORD charcode) const { |
| switch (m_pCMap->m_Coding) { |
| case CIDCODING_UCS2: |
| case CIDCODING_UTF16: |
| return (FX_WCHAR)charcode; |
| case CIDCODING_CID: |
| if (m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) { |
| return 0; |
| } |
| return m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)charcode); |
| } |
| if (!m_pCMap->IsLoaded() || m_pCID2UnicodeMap == NULL || |
| !m_pCID2UnicodeMap->IsLoaded()) { |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
| FX_WCHAR unicode; |
| int charsize = 1; |
| if (charcode > 255) { |
| charcode = (charcode % 256) * 256 + (charcode / 256); |
| charsize = 2; |
| } |
| int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0, |
| (const FX_CHAR*)&charcode, charsize, |
| &unicode, 1); |
| if (ret != 1) { |
| return 0; |
| } |
| return unicode; |
| #endif |
| if (m_pCMap->m_pEmbedMap) { |
| return _EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, |
| m_pCMap->m_Charset, charcode); |
| } |
| return 0; |
| } |
| return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode)); |
| } |
| FX_DWORD CPDF_CIDFont::_CharCodeFromUnicode(FX_WCHAR unicode) const { |
| switch (m_pCMap->m_Coding) { |
| case CIDCODING_UNKNOWN: |
| return 0; |
| case CIDCODING_UCS2: |
| case CIDCODING_UTF16: |
| return unicode; |
| case CIDCODING_CID: { |
| if (m_pCID2UnicodeMap == NULL || !m_pCID2UnicodeMap->IsLoaded()) { |
| return 0; |
| } |
| FX_DWORD CID = 0; |
| while (CID < 65536) { |
| FX_WCHAR this_unicode = m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)CID); |
| if (this_unicode == unicode) { |
| return CID; |
| } |
| CID++; |
| } |
| break; |
| } |
| } |
| |
| if (unicode < 0x80) { |
| return static_cast<FX_DWORD>(unicode); |
| } |
| if (m_pCMap->m_Coding == CIDCODING_CID) { |
| return 0; |
| } |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
| uint8_t buffer[32]; |
| int ret = |
| FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1, |
| (char*)buffer, 4, NULL, NULL); |
| if (ret == 1) { |
| return buffer[0]; |
| } |
| if (ret == 2) { |
| return buffer[0] * 256 + buffer[1]; |
| } |
| #else |
| if (m_pCMap->m_pEmbedMap) { |
| return _EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, |
| m_pCMap->m_Charset, unicode); |
| } |
| #endif |
| return 0; |
| } |
| static void FT_UseCIDCharmap(FXFT_Face face, int coding) { |
| int encoding; |
| switch (coding) { |
| case CIDCODING_GB: |
| encoding = FXFT_ENCODING_GB2312; |
| break; |
| case CIDCODING_BIG5: |
| encoding = FXFT_ENCODING_BIG5; |
| break; |
| case CIDCODING_JIS: |
| encoding = FXFT_ENCODING_SJIS; |
| break; |
| case CIDCODING_KOREA: |
| encoding = FXFT_ENCODING_JOHAB; |
| break; |
| default: |
| encoding = FXFT_ENCODING_UNICODE; |
| } |
| int err = FXFT_Select_Charmap(face, encoding); |
| if (err) { |
| err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); |
| } |
| if (err && FXFT_Get_Face_Charmaps(face)) { |
| FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face)); |
| } |
| } |
| FX_BOOL CPDF_CIDFont::_Load() { |
| if (m_pFontDict->GetString(FX_BSTRC("Subtype")) == FX_BSTRC("TrueType")) { |
| return LoadGB2312(); |
| } |
| CPDF_Array* pFonts = m_pFontDict->GetArray(FX_BSTRC("DescendantFonts")); |
| if (pFonts == NULL) { |
| return FALSE; |
| } |
| if (pFonts->GetCount() != 1) { |
| return FALSE; |
| } |
| CPDF_Dictionary* pCIDFontDict = pFonts->GetDict(0); |
| if (pCIDFontDict == NULL) { |
| return FALSE; |
| } |
| m_BaseFont = pCIDFontDict->GetString(FX_BSTRC("BaseFont")); |
| if ((m_BaseFont.Compare("CourierStd") == 0 || |
| m_BaseFont.Compare("CourierStd-Bold") == 0 || |
| m_BaseFont.Compare("CourierStd-BoldOblique") == 0 || |
| m_BaseFont.Compare("CourierStd-Oblique") == 0) && |
| !IsEmbedded()) { |
| m_bAdobeCourierStd = TRUE; |
| } |
| CPDF_Dictionary* pFontDesc = |
| pCIDFontDict->GetDict(FX_BSTRC("FontDescriptor")); |
| if (pFontDesc) { |
| LoadFontDescriptor(pFontDesc); |
| } |
| CPDF_Object* pEncoding = m_pFontDict->GetElementValue(FX_BSTRC("Encoding")); |
| if (pEncoding == NULL) { |
| return FALSE; |
| } |
| CFX_ByteString subtype = pCIDFontDict->GetString(FX_BSTRC("Subtype")); |
| m_bType1 = FALSE; |
| if (subtype == FX_BSTRC("CIDFontType0")) { |
| m_bType1 = TRUE; |
| } |
| if (pEncoding->GetType() == PDFOBJ_NAME) { |
| CFX_ByteString cmap = pEncoding->GetString(); |
| m_pCMap = |
| CPDF_ModuleMgr::Get() |
| ->GetPageModule() |
| ->GetFontGlobals() |
| ->m_CMapManager.GetPredefinedCMap(cmap, m_pFontFile && m_bType1); |
| } else if (pEncoding->GetType() == PDFOBJ_STREAM) { |
| m_pAllocatedCMap = m_pCMap = new CPDF_CMap; |
| CPDF_Stream* pStream = (CPDF_Stream*)pEncoding; |
| CPDF_StreamAcc acc; |
| acc.LoadAllData(pStream, FALSE); |
| m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize()); |
| } else { |
| return FALSE; |
| } |
| if (m_pCMap == NULL) { |
| return FALSE; |
| } |
| m_Charset = m_pCMap->m_Charset; |
| if (m_Charset == CIDSET_UNKNOWN) { |
| CPDF_Dictionary* pCIDInfo = |
| pCIDFontDict->GetDict(FX_BSTRC("CIDSystemInfo")); |
| if (pCIDInfo) { |
| m_Charset = |
| _CharsetFromOrdering(pCIDInfo->GetString(FX_BSTRC("Ordering"))); |
| } |
| } |
| if (m_Charset != CIDSET_UNKNOWN) |
| m_pCID2UnicodeMap = |
| CPDF_ModuleMgr::Get() |
| ->GetPageModule() |
| ->GetFontGlobals() |
| ->m_CMapManager.GetCID2UnicodeMap( |
| m_Charset, |
| m_pFontFile == NULL && (m_pCMap->m_Coding == CIDCODING_CID || |
| pCIDFontDict->KeyExist(FX_BSTRC("W")))); |
| if (m_Font.GetFace()) { |
| if (m_bType1) { |
| FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE); |
| } else { |
| FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding); |
| } |
| } |
| m_DefaultWidth = pCIDFontDict->GetInteger(FX_BSTRC("DW"), 1000); |
| CPDF_Array* pWidthArray = pCIDFontDict->GetArray(FX_BSTRC("W")); |
| if (pWidthArray) { |
| LoadMetricsArray(pWidthArray, m_WidthList, 1); |
| } |
| if (!IsEmbedded()) { |
| LoadSubstFont(); |
| } |
| if (1) { |
| if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) { |
| CPDF_Object* pmap = |
| pCIDFontDict->GetElementValue(FX_BSTRC("CIDToGIDMap")); |
| if (pmap) { |
| if (pmap->GetType() == PDFOBJ_STREAM) { |
| m_pCIDToGIDMap = new CPDF_StreamAcc; |
| m_pCIDToGIDMap->LoadAllData((CPDF_Stream*)pmap, FALSE); |
| } else if (pmap->GetString() == FX_BSTRC("Identity")) { |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| if (m_pFontFile) { |
| m_bCIDIsGID = TRUE; |
| } |
| #else |
| m_bCIDIsGID = TRUE; |
| #endif |
| } |
| } |
| } |
| } |
| CheckFontMetrics(); |
| if (IsVertWriting()) { |
| pWidthArray = pCIDFontDict->GetArray(FX_BSTRC("W2")); |
| if (pWidthArray) { |
| LoadMetricsArray(pWidthArray, m_VertMetrics, 3); |
| } |
| CPDF_Array* pDefaultArray = pCIDFontDict->GetArray(FX_BSTRC("DW2")); |
| if (pDefaultArray) { |
| m_DefaultVY = pDefaultArray->GetInteger(0); |
| m_DefaultW1 = pDefaultArray->GetInteger(1); |
| } else { |
| m_DefaultVY = 880; |
| m_DefaultW1 = -1000; |
| } |
| } |
| return TRUE; |
| } |
| FX_FLOAT _CIDTransformToFloat(uint8_t ch) { |
| if (ch < 128) { |
| return ch * 1.0f / 127; |
| } |
| return (-255 + ch) * 1.0f / 127; |
| } |
| void CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level) { |
| if (charcode < 256 && m_CharBBox[charcode].Right != -1) { |
| rect.bottom = m_CharBBox[charcode].Bottom; |
| rect.left = m_CharBBox[charcode].Left; |
| rect.right = m_CharBBox[charcode].Right; |
| rect.top = m_CharBBox[charcode].Top; |
| return; |
| } |
| FX_BOOL bVert = FALSE; |
| int glyph_index = GlyphFromCharCode(charcode, &bVert); |
| FXFT_Face face = m_Font.GetFace(); |
| if (face) { |
| rect.left = rect.bottom = rect.right = rect.top = 0; |
| if (FXFT_Is_Face_Tricky(face)) { |
| int err = FXFT_Load_Glyph(face, glyph_index, |
| FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); |
| if (!err) { |
| FXFT_BBox cbox; |
| FXFT_Glyph glyph; |
| err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph); |
| if (!err) { |
| FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox); |
| int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem; |
| int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem; |
| if (pixel_size_x == 0 || pixel_size_y == 0) { |
| rect.left = cbox.xMin; |
| rect.right = cbox.xMax; |
| rect.top = cbox.yMax; |
| rect.bottom = cbox.yMin; |
| } else { |
| rect.left = cbox.xMin * 1000 / pixel_size_x; |
| rect.right = cbox.xMax * 1000 / pixel_size_x; |
| rect.top = cbox.yMax * 1000 / pixel_size_y; |
| rect.bottom = cbox.yMin * 1000 / pixel_size_y; |
| } |
| if (rect.top > FXFT_Get_Face_Ascender(face)) { |
| rect.top = FXFT_Get_Face_Ascender(face); |
| } |
| if (rect.bottom < FXFT_Get_Face_Descender(face)) { |
| rect.bottom = FXFT_Get_Face_Descender(face); |
| } |
| FXFT_Done_Glyph(glyph); |
| } |
| } |
| } else { |
| int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE); |
| if (err == 0) { |
| rect.left = TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face); |
| rect.right = TT2PDF( |
| FXFT_Get_Glyph_HoriBearingX(face) + FXFT_Get_Glyph_Width(face), |
| face); |
| rect.top = TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face); |
| rect.top += rect.top / 64; |
| rect.bottom = TT2PDF( |
| FXFT_Get_Glyph_HoriBearingY(face) - FXFT_Get_Glyph_Height(face), |
| face); |
| } |
| } |
| } else { |
| rect = FX_RECT(0, 0, 0, 0); |
| } |
| if (m_pFontFile == NULL && m_Charset == CIDSET_JAPAN1) { |
| FX_WORD CID = CIDFromCharCode(charcode); |
| const uint8_t* pTransform = GetCIDTransform(CID); |
| if (pTransform && !bVert) { |
| CFX_AffineMatrix matrix(_CIDTransformToFloat(pTransform[0]), |
| _CIDTransformToFloat(pTransform[1]), |
| _CIDTransformToFloat(pTransform[2]), |
| _CIDTransformToFloat(pTransform[3]), |
| _CIDTransformToFloat(pTransform[4]) * 1000, |
| _CIDTransformToFloat(pTransform[5]) * 1000); |
| CFX_FloatRect rect_f(rect); |
| rect_f.Transform(&matrix); |
| rect = rect_f.GetOutterRect(); |
| } |
| } |
| if (charcode < 256) { |
| m_CharBBox[charcode].Bottom = (short)rect.bottom; |
| m_CharBBox[charcode].Left = (short)rect.left; |
| m_CharBBox[charcode].Right = (short)rect.right; |
| m_CharBBox[charcode].Top = (short)rect.top; |
| } |
| } |
| int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level) { |
| if (m_pAnsiWidths && charcode < 0x80) { |
| return m_pAnsiWidths[charcode]; |
| } |
| FX_WORD cid = CIDFromCharCode(charcode); |
| int size = m_WidthList.GetSize(); |
| FX_DWORD* list = m_WidthList.GetData(); |
| for (int i = 0; i < size; i += 3) { |
| if (cid >= list[i] && cid <= list[i + 1]) { |
| return (int)list[i + 2]; |
| } |
| } |
| return m_DefaultWidth; |
| } |
| short CPDF_CIDFont::GetVertWidth(FX_WORD CID) const { |
| FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; |
| if (vertsize == 0) { |
| return m_DefaultW1; |
| } |
| const FX_DWORD* pTable = m_VertMetrics.GetData(); |
| for (FX_DWORD i = 0; i < vertsize; i++) |
| if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { |
| return (short)(int)pTable[i * 5 + 2]; |
| } |
| return m_DefaultW1; |
| } |
| void CPDF_CIDFont::GetVertOrigin(FX_WORD CID, short& vx, short& vy) const { |
| FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; |
| if (vertsize) { |
| const FX_DWORD* pTable = m_VertMetrics.GetData(); |
| for (FX_DWORD i = 0; i < vertsize; i++) |
| if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { |
| vx = (short)(int)pTable[i * 5 + 3]; |
| vy = (short)(int)pTable[i * 5 + 4]; |
| return; |
| } |
| } |
| FX_DWORD dwWidth = m_DefaultWidth; |
| int size = m_WidthList.GetSize(); |
| const FX_DWORD* list = m_WidthList.GetData(); |
| for (int i = 0; i < size; i += 3) { |
| if (CID >= list[i] && CID <= list[i + 1]) { |
| dwWidth = (FX_WORD)list[i + 2]; |
| break; |
| } |
| } |
| vx = (short)dwWidth / 2; |
| vy = (short)m_DefaultVY; |
| } |
| int CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL* pVertGlyph) { |
| if (pVertGlyph) { |
| *pVertGlyph = FALSE; |
| } |
| FXFT_Face face = m_Font.GetFace(); |
| int index = FXFT_Get_Char_Index(face, unicode); |
| if (unicode == 0x2502) { |
| return index; |
| } |
| if (index && IsVertWriting()) { |
| if (m_pTTGSUBTable) { |
| TT_uint32_t vindex = 0; |
| m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); |
| if (vindex) { |
| index = vindex; |
| if (pVertGlyph) { |
| *pVertGlyph = TRUE; |
| } |
| } |
| return index; |
| } |
| if (!m_Font.GetSubData()) { |
| unsigned long length = 0; |
| int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, |
| NULL, &length); |
| if (!error) { |
| m_Font.SetSubData(FX_Alloc(uint8_t, length)); |
| } |
| } |
| int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, |
| m_Font.GetSubData(), NULL); |
| if (!error && m_Font.GetSubData()) { |
| m_pTTGSUBTable = new CFX_CTTGSUBTable; |
| m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData()); |
| TT_uint32_t vindex = 0; |
| m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); |
| if (vindex) { |
| index = vindex; |
| if (pVertGlyph) { |
| *pVertGlyph = TRUE; |
| } |
| } |
| } |
| return index; |
| } |
| if (pVertGlyph) { |
| *pVertGlyph = FALSE; |
| } |
| return index; |
| } |
| int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { |
| if (pVertGlyph) { |
| *pVertGlyph = FALSE; |
| } |
| if (m_pFontFile == NULL && m_pCIDToGIDMap == NULL) { |
| FX_WORD cid = CIDFromCharCode(charcode); |
| FX_WCHAR unicode = 0; |
| if (m_bCIDIsGID) { |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ |
| return cid; |
| #else |
| if (m_Flags & PDFFONT_SYMBOLIC) { |
| return cid; |
| } |
| CFX_WideString uni_str = UnicodeFromCharCode(charcode); |
| if (uni_str.IsEmpty()) { |
| return cid; |
| } |
| unicode = uni_str.GetAt(0); |
| #endif |
| } else { |
| if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) { |
| unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid); |
| } |
| if (unicode == 0) { |
| unicode = _UnicodeFromCharCode(charcode); |
| } |
| if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) { |
| unicode = UnicodeFromCharCode(charcode).GetAt(0); |
| } |
| } |
| FXFT_Face face = m_Font.GetFace(); |
| if (unicode == 0) { |
| if (!m_bAdobeCourierStd) { |
| return charcode == 0 ? -1 : (int)charcode; |
| } |
| charcode += 31; |
| int index = 0, iBaseEncoding; |
| FX_BOOL bMSUnicode = FT_UseTTCharmap(face, 3, 1); |
| FX_BOOL bMacRoman = FALSE; |
| if (!bMSUnicode) { |
| bMacRoman = FT_UseTTCharmap(face, 1, 0); |
| } |
| iBaseEncoding = PDFFONT_ENCODING_STANDARD; |
| if (bMSUnicode) { |
| iBaseEncoding = PDFFONT_ENCODING_WINANSI; |
| } else if (bMacRoman) { |
| iBaseEncoding = PDFFONT_ENCODING_MACROMAN; |
| } |
| const FX_CHAR* name = GetAdobeCharName(iBaseEncoding, NULL, charcode); |
| if (name == NULL) { |
| return charcode == 0 ? -1 : (int)charcode; |
| } |
| FX_WORD unicode = PDF_UnicodeFromAdobeName(name); |
| if (unicode) { |
| if (bMSUnicode) { |
| index = FXFT_Get_Char_Index(face, unicode); |
| } else if (bMacRoman) { |
| FX_DWORD maccode = |
| FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode); |
| index = !maccode ? FXFT_Get_Name_Index(face, (char*)name) |
| : FXFT_Get_Char_Index(face, maccode); |
| } else { |
| return FXFT_Get_Char_Index(face, unicode); |
| } |
| } else { |
| return charcode == 0 ? -1 : (int)charcode; |
| } |
| if (index == 0 || index == 0xffff) { |
| return charcode == 0 ? -1 : (int)charcode; |
| } |
| return index; |
| } |
| if (m_Charset == CIDSET_JAPAN1) { |
| if (unicode == '\\') { |
| unicode = '/'; |
| } |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ |
| else if (unicode == 0xa5) { |
| unicode = 0x5c; |
| } |
| #endif |
| } |
| if (!face) |
| return unicode; |
| |
| int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); |
| if (err != 0) { |
| int i; |
| for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) { |
| FX_DWORD ret = FT_CharCodeFromUnicode( |
| FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]), |
| (FX_WCHAR)charcode); |
| if (ret == 0) { |
| continue; |
| } |
| FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]); |
| unicode = (FX_WCHAR)ret; |
| break; |
| } |
| if (i == FXFT_Get_Face_CharmapCount(face) && i) { |
| FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]); |
| unicode = (FX_WCHAR)charcode; |
| } |
| } |
| if (FXFT_Get_Face_Charmap(face)) { |
| int index = GetGlyphIndex(unicode, pVertGlyph); |
| if (index == 0) |
| return -1; |
| return index; |
| } |
| return unicode; |
| } |
| if (!m_Font.GetFace()) |
| return -1; |
| |
| FX_WORD cid = CIDFromCharCode(charcode); |
| if (m_bType1) { |
| if (!m_pCIDToGIDMap) { |
| return cid; |
| } |
| } else { |
| if (!m_pCIDToGIDMap) { |
| if (m_pFontFile && !m_pCMap->m_pMapping) |
| return cid; |
| if (m_pCMap->m_Coding == CIDCODING_UNKNOWN || |
| !FXFT_Get_Face_Charmap(m_Font.GetFace())) { |
| return cid; |
| } |
| if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.GetFace())) == |
| FXFT_ENCODING_UNICODE) { |
| CFX_WideString unicode_str = UnicodeFromCharCode(charcode); |
| if (unicode_str.IsEmpty()) { |
| return -1; |
| } |
| charcode = unicode_str.GetAt(0); |
| } |
| return GetGlyphIndex(charcode, pVertGlyph); |
| } |
| } |
| FX_DWORD byte_pos = cid * 2; |
| if (byte_pos + 2 > m_pCIDToGIDMap->GetSize()) |
| return -1; |
| |
| const uint8_t* pdata = m_pCIDToGIDMap->GetData() + byte_pos; |
| return pdata[0] * 256 + pdata[1]; |
| } |
| FX_DWORD CPDF_CIDFont::GetNextChar(const FX_CHAR* pString, |
| int nStrLen, |
| int& offset) const { |
| return m_pCMap->GetNextChar(pString, nStrLen, offset); |
| } |
| int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const { |
| return m_pCMap->GetCharSize(charcode); |
| } |
| int CPDF_CIDFont::CountChar(const FX_CHAR* pString, int size) const { |
| return m_pCMap->CountChar(pString, size); |
| } |
| int CPDF_CIDFont::AppendChar(FX_CHAR* str, FX_DWORD charcode) const { |
| return m_pCMap->AppendChar(str, charcode); |
| } |
| FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const { |
| if (!m_pCMap->IsLoaded() || m_pCID2UnicodeMap == NULL || |
| !m_pCID2UnicodeMap->IsLoaded()) { |
| return m_pCMap->m_Coding != CIDCODING_UNKNOWN; |
| } |
| return TRUE; |
| } |
| FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const { |
| return TRUE; |
| } |
| void CPDF_CIDFont::LoadSubstFont() { |
| m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, |
| g_CharsetCPs[m_Charset], IsVertWriting()); |
| } |
| void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, |
| CFX_DWordArray& result, |
| int nElements) { |
| int width_status = 0; |
| int iCurElement = 0; |
| int first_code = 0, last_code; |
| FX_DWORD count = pArray->GetCount(); |
| for (FX_DWORD i = 0; i < count; i++) { |
| CPDF_Object* pObj = pArray->GetElementValue(i); |
| if (pObj == NULL) { |
| continue; |
| } |
| if (pObj->GetType() == PDFOBJ_ARRAY) { |
| if (width_status != 1) { |
| return; |
| } |
| CPDF_Array* pArray = (CPDF_Array*)pObj; |
| FX_DWORD count = pArray->GetCount(); |
| for (FX_DWORD j = 0; j < count; j += nElements) { |
| result.Add(first_code); |
| result.Add(first_code); |
| for (int k = 0; k < nElements; k++) { |
| result.Add(pArray->GetInteger(j + k)); |
| } |
| first_code++; |
| } |
| width_status = 0; |
| } else { |
| if (width_status == 0) { |
| first_code = pObj->GetInteger(); |
| width_status = 1; |
| } else if (width_status == 1) { |
| last_code = pObj->GetInteger(); |
| width_status = 2; |
| iCurElement = 0; |
| } else { |
| if (!iCurElement) { |
| result.Add(first_code); |
| result.Add(last_code); |
| } |
| result.Add(pObj->GetInteger()); |
| iCurElement++; |
| if (iCurElement == nElements) { |
| width_status = 0; |
| } |
| } |
| } |
| } |
| } |
| FX_BOOL CPDF_CIDFont::LoadGB2312() { |
| m_BaseFont = m_pFontDict->GetString(FX_BSTRC("BaseFont")); |
| CPDF_Dictionary* pFontDesc = m_pFontDict->GetDict(FX_BSTRC("FontDescriptor")); |
| if (pFontDesc) { |
| LoadFontDescriptor(pFontDesc); |
| } |
| m_Charset = CIDSET_GB1; |
| m_bType1 = FALSE; |
| m_pCMap = CPDF_ModuleMgr::Get() |
| ->GetPageModule() |
| ->GetFontGlobals() |
| ->m_CMapManager.GetPredefinedCMap(FX_BSTRC("GBK-EUC-H"), FALSE); |
| m_pCID2UnicodeMap = CPDF_ModuleMgr::Get() |
| ->GetPageModule() |
| ->GetFontGlobals() |
| ->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE); |
| if (!IsEmbedded()) { |
| LoadSubstFont(); |
| } |
| CheckFontMetrics(); |
| m_DefaultWidth = 1000; |
| m_pAnsiWidths = FX_Alloc(FX_WORD, 128); |
| for (int i = 32; i < 127; i++) { |
| m_pAnsiWidths[i] = 500; |
| } |
| return TRUE; |
| } |
| const struct _CIDTransform { |
| FX_WORD CID; |
| uint8_t a, b, c, d, e, f; |
| } Japan1_VertCIDs[] = { |
| {97, 129, 0, 0, 127, 55, 0}, {7887, 127, 0, 0, 127, 76, 89}, |
| {7888, 127, 0, 0, 127, 79, 94}, {7889, 0, 129, 127, 0, 17, 127}, |
| {7890, 0, 129, 127, 0, 17, 127}, {7891, 0, 129, 127, 0, 17, 127}, |
| {7892, 0, 129, 127, 0, 17, 127}, {7893, 0, 129, 127, 0, 17, 127}, |
| {7894, 0, 129, 127, 0, 17, 127}, {7895, 0, 129, 127, 0, 17, 127}, |
| {7896, 0, 129, 127, 0, 17, 127}, {7897, 0, 129, 127, 0, 17, 127}, |
| {7898, 0, 129, 127, 0, 17, 127}, {7899, 0, 129, 127, 0, 17, 104}, |
| {7900, 0, 129, 127, 0, 17, 127}, {7901, 0, 129, 127, 0, 17, 104}, |
| {7902, 0, 129, 127, 0, 17, 127}, {7903, 0, 129, 127, 0, 17, 127}, |
| {7904, 0, 129, 127, 0, 17, 127}, {7905, 0, 129, 127, 0, 17, 114}, |
| {7906, 0, 129, 127, 0, 17, 127}, {7907, 0, 129, 127, 0, 17, 127}, |
| {7908, 0, 129, 127, 0, 17, 127}, {7909, 0, 129, 127, 0, 17, 127}, |
| {7910, 0, 129, 127, 0, 17, 127}, {7911, 0, 129, 127, 0, 17, 127}, |
| {7912, 0, 129, 127, 0, 17, 127}, {7913, 0, 129, 127, 0, 17, 127}, |
| {7914, 0, 129, 127, 0, 17, 127}, {7915, 0, 129, 127, 0, 17, 114}, |
| {7916, 0, 129, 127, 0, 17, 127}, {7917, 0, 129, 127, 0, 17, 127}, |
| {7918, 127, 0, 0, 127, 18, 25}, {7919, 127, 0, 0, 127, 18, 25}, |
| {7920, 127, 0, 0, 127, 18, 25}, {7921, 127, 0, 0, 127, 18, 25}, |
| {7922, 127, 0, 0, 127, 18, 25}, {7923, 127, 0, 0, 127, 18, 25}, |
| {7924, 127, 0, 0, 127, 18, 25}, {7925, 127, 0, 0, 127, 18, 25}, |
| {7926, 127, 0, 0, 127, 18, 25}, {7927, 127, 0, 0, 127, 18, 25}, |
| {7928, 127, 0, 0, 127, 18, 25}, {7929, 127, 0, 0, 127, 18, 25}, |
| {7930, 127, 0, 0, 127, 18, 25}, {7931, 127, 0, 0, 127, 18, 25}, |
| {7932, 127, 0, 0, 127, 18, 25}, {7933, 127, 0, 0, 127, 18, 25}, |
| {7934, 127, 0, 0, 127, 18, 25}, {7935, 127, 0, 0, 127, 18, 25}, |
| {7936, 127, 0, 0, 127, 18, 25}, {7937, 127, 0, 0, 127, 18, 25}, |
| {7938, 127, 0, 0, 127, 18, 25}, {7939, 127, 0, 0, 127, 18, 25}, |
| {8720, 0, 129, 127, 0, 19, 102}, {8721, 0, 129, 127, 0, 13, 127}, |
| {8722, 0, 129, 127, 0, 19, 108}, {8723, 0, 129, 127, 0, 19, 102}, |
| {8724, 0, 129, 127, 0, 19, 102}, {8725, 0, 129, 127, 0, 19, 102}, |
| {8726, 0, 129, 127, 0, 19, 102}, {8727, 0, 129, 127, 0, 19, 102}, |
| {8728, 0, 129, 127, 0, 19, 114}, {8729, 0, 129, 127, 0, 19, 114}, |
| {8730, 0, 129, 127, 0, 38, 108}, {8731, 0, 129, 127, 0, 13, 108}, |
| {8732, 0, 129, 127, 0, 19, 108}, {8733, 0, 129, 127, 0, 19, 108}, |
| {8734, 0, 129, 127, 0, 19, 108}, {8735, 0, 129, 127, 0, 19, 108}, |
| {8736, 0, 129, 127, 0, 19, 102}, {8737, 0, 129, 127, 0, 19, 102}, |
| {8738, 0, 129, 127, 0, 19, 102}, {8739, 0, 129, 127, 0, 19, 102}, |
| {8740, 0, 129, 127, 0, 19, 102}, {8741, 0, 129, 127, 0, 19, 102}, |
| {8742, 0, 129, 127, 0, 19, 102}, {8743, 0, 129, 127, 0, 19, 102}, |
| {8744, 0, 129, 127, 0, 19, 102}, {8745, 0, 129, 127, 0, 19, 102}, |
| {8746, 0, 129, 127, 0, 19, 114}, {8747, 0, 129, 127, 0, 19, 114}, |
| {8748, 0, 129, 127, 0, 19, 102}, {8749, 0, 129, 127, 0, 19, 102}, |
| {8750, 0, 129, 127, 0, 19, 102}, {8751, 0, 129, 127, 0, 19, 102}, |
| {8752, 0, 129, 127, 0, 19, 102}, {8753, 0, 129, 127, 0, 19, 102}, |
| {8754, 0, 129, 127, 0, 19, 102}, {8755, 0, 129, 127, 0, 19, 102}, |
| {8756, 0, 129, 127, 0, 19, 102}, {8757, 0, 129, 127, 0, 19, 102}, |
| {8758, 0, 129, 127, 0, 19, 102}, {8759, 0, 129, 127, 0, 19, 102}, |
| {8760, 0, 129, 127, 0, 19, 102}, {8761, 0, 129, 127, 0, 19, 102}, |
| {8762, 0, 129, 127, 0, 19, 102}, {8763, 0, 129, 127, 0, 19, 102}, |
| {8764, 0, 129, 127, 0, 19, 102}, {8765, 0, 129, 127, 0, 19, 102}, |
| {8766, 0, 129, 127, 0, 19, 102}, {8767, 0, 129, 127, 0, 19, 102}, |
| {8768, 0, 129, 127, 0, 19, 102}, {8769, 0, 129, 127, 0, 19, 102}, |
| {8770, 0, 129, 127, 0, 19, 102}, {8771, 0, 129, 127, 0, 19, 102}, |
| {8772, 0, 129, 127, 0, 19, 102}, {8773, 0, 129, 127, 0, 19, 102}, |
| {8774, 0, 129, 127, 0, 19, 102}, {8775, 0, 129, 127, 0, 19, 102}, |
| {8776, 0, 129, 127, 0, 19, 102}, {8777, 0, 129, 127, 0, 19, 102}, |
| {8778, 0, 129, 127, 0, 19, 102}, {8779, 0, 129, 127, 0, 19, 114}, |
| {8780, 0, 129, 127, 0, 19, 108}, {8781, 0, 129, 127, 0, 19, 114}, |
| {8782, 0, 129, 127, 0, 13, 114}, {8783, 0, 129, 127, 0, 19, 108}, |
| {8784, 0, 129, 127, 0, 13, 114}, {8785, 0, 129, 127, 0, 19, 108}, |
| {8786, 0, 129, 127, 0, 19, 108}, {8787, 0, 129, 127, 0, 19, 108}, |
| {8788, 0, 129, 127, 0, 19, 108}, {8789, 0, 129, 127, 0, 19, 108}, |
| {8790, 0, 129, 127, 0, 19, 108}, {8791, 0, 129, 127, 0, 19, 108}, |
| {8792, 0, 129, 127, 0, 19, 108}, {8793, 0, 129, 127, 0, 19, 108}, |
| {8794, 0, 129, 127, 0, 19, 108}, {8795, 0, 129, 127, 0, 19, 108}, |
| {8796, 0, 129, 127, 0, 19, 108}, {8797, 0, 129, 127, 0, 19, 108}, |
| {8798, 0, 129, 127, 0, 19, 108}, {8799, 0, 129, 127, 0, 19, 108}, |
| {8800, 0, 129, 127, 0, 19, 108}, {8801, 0, 129, 127, 0, 19, 108}, |
| {8802, 0, 129, 127, 0, 19, 108}, {8803, 0, 129, 127, 0, 19, 108}, |
| {8804, 0, 129, 127, 0, 19, 108}, {8805, 0, 129, 127, 0, 19, 108}, |
| {8806, 0, 129, 127, 0, 19, 108}, {8807, 0, 129, 127, 0, 19, 108}, |
| {8808, 0, 129, 127, 0, 19, 108}, {8809, 0, 129, 127, 0, 19, 108}, |
| {8810, 0, 129, 127, 0, 19, 108}, {8811, 0, 129, 127, 0, 19, 114}, |
| {8812, 0, 129, 127, 0, 19, 102}, {8813, 0, 129, 127, 0, 19, 114}, |
| {8814, 0, 129, 127, 0, 76, 102}, {8815, 0, 129, 127, 0, 13, 121}, |
| {8816, 0, 129, 127, 0, 19, 114}, {8817, 0, 129, 127, 0, 19, 127}, |
| {8818, 0, 129, 127, 0, 19, 114}, {8819, 0, 129, 127, 0, 218, 108}, |
| }; |
| const uint8_t* CPDF_CIDFont::GetCIDTransform(FX_WORD CID) const { |
| if (m_Charset != CIDSET_JAPAN1 || m_pFontFile != NULL) { |
| return NULL; |
| } |
| int begin = 0; |
| int end = sizeof Japan1_VertCIDs / sizeof(struct _CIDTransform) - 1; |
| while (begin <= end) { |
| int middle = (begin + end) / 2; |
| FX_WORD middlecode = Japan1_VertCIDs[middle].CID; |
| if (middlecode > CID) { |
| end = middle - 1; |
| } else if (middlecode < CID) { |
| begin = middle + 1; |
| } else { |
| return &Japan1_VertCIDs[middle].a; |
| } |
| } |
| return NULL; |
| } |