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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "core/fpdfapi/parser/cpdf_document.h" | 7 #include "core/fpdfapi/parser/cpdf_document.h" |
8 | 8 |
9 #include <memory> | 9 #include <memory> |
10 #include <set> | 10 #include <set> |
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237 int glyph_index = pEncoding->GlyphFromCharCode(start + i); | 237 int glyph_index = pEncoding->GlyphFromCharCode(start + i); |
238 widths[i] = pFont->GetGlyphWidth(glyph_index); | 238 widths[i] = pFont->GetGlyphWidth(glyph_index); |
239 } | 239 } |
240 InsertWidthArrayImpl(widths, size, pWidthArray); | 240 InsertWidthArrayImpl(widths, size, pWidthArray); |
241 } | 241 } |
242 | 242 |
243 int InsertDeletePDFPage(CPDF_Document* pDoc, | 243 int InsertDeletePDFPage(CPDF_Document* pDoc, |
244 CPDF_Dictionary* pPages, | 244 CPDF_Dictionary* pPages, |
245 int nPagesToGo, | 245 int nPagesToGo, |
246 CPDF_Dictionary* pPage, | 246 CPDF_Dictionary* pPage, |
247 FX_BOOL bInsert, | 247 bool bInsert, |
248 std::set<CPDF_Dictionary*>* pVisited) { | 248 std::set<CPDF_Dictionary*>* pVisited) { |
249 CPDF_Array* pKidList = pPages->GetArrayFor("Kids"); | 249 CPDF_Array* pKidList = pPages->GetArrayFor("Kids"); |
250 if (!pKidList) | 250 if (!pKidList) |
251 return -1; | 251 return -1; |
252 | 252 |
253 for (size_t i = 0; i < pKidList->GetCount(); i++) { | 253 for (size_t i = 0; i < pKidList->GetCount(); i++) { |
254 CPDF_Dictionary* pKid = pKidList->GetDictAt(i); | 254 CPDF_Dictionary* pKid = pKidList->GetDictAt(i); |
255 if (pKid->GetStringFor("Type") == "Page") { | 255 if (pKid->GetStringFor("Type") == "Page") { |
256 if (nPagesToGo == 0) { | 256 if (nPagesToGo == 0) { |
257 if (bInsert) { | 257 if (bInsert) { |
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303 CPDF_Array* pPagesList = pPages->GetArrayFor("Kids"); | 303 CPDF_Array* pPagesList = pPages->GetArrayFor("Kids"); |
304 if (!pPagesList) { | 304 if (!pPagesList) { |
305 pPagesList = new CPDF_Array; | 305 pPagesList = new CPDF_Array; |
306 pPages->SetFor("Kids", pPagesList); | 306 pPages->SetFor("Kids", pPagesList); |
307 } | 307 } |
308 pPagesList->Add(new CPDF_Reference(pDoc, pPageDict->GetObjNum())); | 308 pPagesList->Add(new CPDF_Reference(pDoc, pPageDict->GetObjNum())); |
309 pPages->SetIntegerFor("Count", nPages + 1); | 309 pPages->SetIntegerFor("Count", nPages + 1); |
310 pPageDict->SetReferenceFor("Parent", pDoc, pPages->GetObjNum()); | 310 pPageDict->SetReferenceFor("Parent", pDoc, pPages->GetObjNum()); |
311 } else { | 311 } else { |
312 std::set<CPDF_Dictionary*> stack = {pPages}; | 312 std::set<CPDF_Dictionary*> stack = {pPages}; |
313 if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, &stack) < 0) | 313 if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, true, &stack) < 0) |
314 return -1; | 314 return -1; |
315 } | 315 } |
316 pageList.InsertAt(iPage, pPageDict->GetObjNum()); | 316 pageList.InsertAt(iPage, pPageDict->GetObjNum()); |
317 return iPage; | 317 return iPage; |
318 } | 318 } |
319 | 319 |
320 int CountPages(CPDF_Dictionary* pPages, | 320 int CountPages(CPDF_Dictionary* pPages, |
321 std::set<CPDF_Dictionary*>* visited_pages) { | 321 std::set<CPDF_Dictionary*>* visited_pages) { |
322 int count = pPages->GetIntegerFor("Count"); | 322 int count = pPages->GetIntegerFor("Count"); |
323 if (count > 0 && count < FPDF_PAGE_MAX_NUM) | 323 if (count > 0 && count < FPDF_PAGE_MAX_NUM) |
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720 void CPDF_Document::DeletePage(int iPage) { | 720 void CPDF_Document::DeletePage(int iPage) { |
721 CPDF_Dictionary* pPages = GetPagesDict(); | 721 CPDF_Dictionary* pPages = GetPagesDict(); |
722 if (!pPages) | 722 if (!pPages) |
723 return; | 723 return; |
724 | 724 |
725 int nPages = pPages->GetIntegerFor("Count"); | 725 int nPages = pPages->GetIntegerFor("Count"); |
726 if (iPage < 0 || iPage >= nPages) | 726 if (iPage < 0 || iPage >= nPages) |
727 return; | 727 return; |
728 | 728 |
729 std::set<CPDF_Dictionary*> stack = {pPages}; | 729 std::set<CPDF_Dictionary*> stack = {pPages}; |
730 if (InsertDeletePDFPage(this, pPages, iPage, nullptr, FALSE, &stack) < 0) | 730 if (InsertDeletePDFPage(this, pPages, iPage, nullptr, false, &stack) < 0) |
731 return; | 731 return; |
732 | 732 |
733 m_PageList.RemoveAt(iPage); | 733 m_PageList.RemoveAt(iPage); |
734 } | 734 } |
735 | 735 |
736 CPDF_Font* CPDF_Document::AddStandardFont(const FX_CHAR* font, | 736 CPDF_Font* CPDF_Document::AddStandardFont(const FX_CHAR* font, |
737 CPDF_FontEncoding* pEncoding) { | 737 CPDF_FontEncoding* pEncoding) { |
738 CFX_ByteString name(font); | 738 CFX_ByteString name(font); |
739 if (PDF_GetStandardFontName(&name) < 0) | 739 if (PDF_GetStandardFontName(&name) < 0) |
740 return nullptr; | 740 return nullptr; |
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762 pEncodingDict->SetFor("Differences", pArray); | 762 pEncodingDict->SetFor("Differences", pArray); |
763 pBaseDict->SetReferenceFor("Encoding", this, | 763 pBaseDict->SetReferenceFor("Encoding", this, |
764 AddIndirectObject(pEncodingDict)); | 764 AddIndirectObject(pEncodingDict)); |
765 | 765 |
766 return i; | 766 return i; |
767 } | 767 } |
768 | 768 |
769 CPDF_Dictionary* CPDF_Document::ProcessbCJK( | 769 CPDF_Dictionary* CPDF_Document::ProcessbCJK( |
770 CPDF_Dictionary* pBaseDict, | 770 CPDF_Dictionary* pBaseDict, |
771 int charset, | 771 int charset, |
772 FX_BOOL bVert, | 772 bool bVert, |
773 CFX_ByteString basefont, | 773 CFX_ByteString basefont, |
774 std::function<void(FX_WCHAR, FX_WCHAR, CPDF_Array*)> Insert) { | 774 std::function<void(FX_WCHAR, FX_WCHAR, CPDF_Array*)> Insert) { |
775 CPDF_Dictionary* pFontDict = new CPDF_Dictionary(m_pByteStringPool); | 775 CPDF_Dictionary* pFontDict = new CPDF_Dictionary(m_pByteStringPool); |
776 CFX_ByteString cmap; | 776 CFX_ByteString cmap; |
777 CFX_ByteString ordering; | 777 CFX_ByteString ordering; |
778 int supplement = 0; | 778 int supplement = 0; |
779 CPDF_Array* pWidthArray = new CPDF_Array; | 779 CPDF_Array* pWidthArray = new CPDF_Array; |
780 switch (charset) { | 780 switch (charset) { |
781 case FXFONT_CHINESEBIG5_CHARSET: | 781 case FXFONT_CHINESEBIG5_CHARSET: |
782 cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; | 782 cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; |
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826 pCIDSysInfo->SetStringFor("Registry", "Adobe"); | 826 pCIDSysInfo->SetStringFor("Registry", "Adobe"); |
827 pCIDSysInfo->SetStringFor("Ordering", ordering); | 827 pCIDSysInfo->SetStringFor("Ordering", ordering); |
828 pCIDSysInfo->SetIntegerFor("Supplement", supplement); | 828 pCIDSysInfo->SetIntegerFor("Supplement", supplement); |
829 pFontDict->SetFor("CIDSystemInfo", pCIDSysInfo); | 829 pFontDict->SetFor("CIDSystemInfo", pCIDSysInfo); |
830 CPDF_Array* pArray = new CPDF_Array; | 830 CPDF_Array* pArray = new CPDF_Array; |
831 pBaseDict->SetFor("DescendantFonts", pArray); | 831 pBaseDict->SetFor("DescendantFonts", pArray); |
832 pArray->AddReference(this, AddIndirectObject(pFontDict)); | 832 pArray->AddReference(this, AddIndirectObject(pFontDict)); |
833 return pFontDict; | 833 return pFontDict; |
834 } | 834 } |
835 | 835 |
836 CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) { | 836 CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, bool bVert) { |
837 if (!pFont) | 837 if (!pFont) |
838 return nullptr; | 838 return nullptr; |
839 | 839 |
840 bool bCJK = charset == FXFONT_CHINESEBIG5_CHARSET || | 840 bool bCJK = charset == FXFONT_CHINESEBIG5_CHARSET || |
841 charset == FXFONT_GB2312_CHARSET || | 841 charset == FXFONT_GB2312_CHARSET || |
842 charset == FXFONT_HANGUL_CHARSET || | 842 charset == FXFONT_HANGUL_CHARSET || |
843 charset == FXFONT_SHIFTJIS_CHARSET; | 843 charset == FXFONT_SHIFTJIS_CHARSET; |
844 CFX_ByteString basefont = pFont->GetFamilyName(); | 844 CFX_ByteString basefont = pFont->GetFamilyName(); |
845 basefont.Replace(" ", ""); | 845 basefont.Replace(" ", ""); |
846 int flags = | 846 int flags = |
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916 CPDF_Dictionary* pFontDesc = | 916 CPDF_Dictionary* pFontDesc = |
917 CalculateFontDesc(this, basefont, flags, italicangle, pFont->GetAscent(), | 917 CalculateFontDesc(this, basefont, flags, italicangle, pFont->GetAscent(), |
918 pFont->GetDescent(), pBBox, nStemV); | 918 pFont->GetDescent(), pBBox, nStemV); |
919 pFontDict->SetReferenceFor("FontDescriptor", this, | 919 pFontDict->SetReferenceFor("FontDescriptor", this, |
920 AddIndirectObject(pFontDesc)); | 920 AddIndirectObject(pFontDesc)); |
921 return LoadFont(pBaseDict); | 921 return LoadFont(pBaseDict); |
922 } | 922 } |
923 | 923 |
924 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 924 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
925 CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTW* pLogFont, | 925 CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTW* pLogFont, |
926 FX_BOOL bVert, | 926 bool bVert, |
927 FX_BOOL bTranslateName) { | 927 bool bTranslateName) { |
928 LOGFONTA lfa; | 928 LOGFONTA lfa; |
929 FXSYS_memcpy(&lfa, pLogFont, (char*)lfa.lfFaceName - (char*)&lfa); | 929 FXSYS_memcpy(&lfa, pLogFont, (char*)lfa.lfFaceName - (char*)&lfa); |
930 CFX_ByteString face = CFX_ByteString::FromUnicode(pLogFont->lfFaceName); | 930 CFX_ByteString face = CFX_ByteString::FromUnicode(pLogFont->lfFaceName); |
931 if (face.GetLength() >= LF_FACESIZE) | 931 if (face.GetLength() >= LF_FACESIZE) |
932 return nullptr; | 932 return nullptr; |
933 | 933 |
934 FXSYS_strcpy(lfa.lfFaceName, face.c_str()); | 934 FXSYS_strcpy(lfa.lfFaceName, face.c_str()); |
935 return AddWindowsFont(&lfa, bVert, bTranslateName); | 935 return AddWindowsFont(&lfa, bVert, bTranslateName); |
936 } | 936 } |
937 | 937 |
938 CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont, | 938 CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont, |
939 FX_BOOL bVert, | 939 bool bVert, |
940 FX_BOOL bTranslateName) { | 940 bool bTranslateName) { |
941 pLogFont->lfHeight = -1000; | 941 pLogFont->lfHeight = -1000; |
942 pLogFont->lfWidth = 0; | 942 pLogFont->lfWidth = 0; |
943 HGDIOBJ hFont = CreateFontIndirectA(pLogFont); | 943 HGDIOBJ hFont = CreateFontIndirectA(pLogFont); |
944 HDC hDC = CreateCompatibleDC(nullptr); | 944 HDC hDC = CreateCompatibleDC(nullptr); |
945 hFont = SelectObject(hDC, hFont); | 945 hFont = SelectObject(hDC, hFont); |
946 int tm_size = GetOutlineTextMetrics(hDC, 0, nullptr); | 946 int tm_size = GetOutlineTextMetrics(hDC, 0, nullptr); |
947 if (tm_size == 0) { | 947 if (tm_size == 0) { |
948 hFont = SelectObject(hDC, hFont); | 948 hFont = SelectObject(hDC, hFont); |
949 DeleteObject(hFont); | 949 DeleteObject(hFont); |
950 DeleteDC(hDC); | 950 DeleteDC(hDC); |
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1013 pBBox, pLogFont->lfWeight / 5); | 1013 pBBox, pLogFont->lfWeight / 5); |
1014 pFontDesc->SetIntegerFor("CapHeight", capheight); | 1014 pFontDesc->SetIntegerFor("CapHeight", capheight); |
1015 pFontDict->SetReferenceFor("FontDescriptor", this, | 1015 pFontDict->SetReferenceFor("FontDescriptor", this, |
1016 AddIndirectObject(pFontDesc)); | 1016 AddIndirectObject(pFontDesc)); |
1017 hFont = SelectObject(hDC, hFont); | 1017 hFont = SelectObject(hDC, hFont); |
1018 DeleteObject(hFont); | 1018 DeleteObject(hFont); |
1019 DeleteDC(hDC); | 1019 DeleteDC(hDC); |
1020 return LoadFont(pBaseDict); | 1020 return LoadFont(pBaseDict); |
1021 } | 1021 } |
1022 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 1022 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
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