1 // Copyright 2016 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 #ifndef CORE_FPDFAPI_PAGE_CPDF_DOCPAGEDATA_H_ 8 #define CORE_FPDFAPI_PAGE_CPDF_DOCPAGEDATA_H_ 9 10 #include <map> 11 #include <set> 12 13 #include "core/fpdfapi/page/cpdf_countedobject.h" 14 #include "core/fxcrt/fx_coordinates.h" 15 #include "core/fxcrt/fx_string.h" 16 17 class CPDF_Dictionary; 18 class CPDF_Document; 19 class CPDF_Font; 20 class CPDF_FontEncoding; 21 class CPDF_IccProfile; 22 class CPDF_Image; 23 class CPDF_Object; 24 class CPDF_Stream; 25 class CPDF_StreamAcc; 26 27 class CPDF_DocPageData { 28 public: 29 explicit CPDF_DocPageData(CPDF_Document* pPDFDoc); 30 ~CPDF_DocPageData(); 31 32 void Clear(bool bRelease = false); 33 CPDF_Font* GetFont(CPDF_Dictionary* pFontDict); 34 CPDF_Font* GetStandardFont(const CFX_ByteString& fontName, 35 CPDF_FontEncoding* pEncoding); 36 void ReleaseFont(const CPDF_Dictionary* pFontDict); 37 CPDF_ColorSpace* GetColorSpace(CPDF_Object* pCSObj, 38 const CPDF_Dictionary* pResources); 39 CPDF_ColorSpace* GetCopiedColorSpace(CPDF_Object* pCSObj); 40 void ReleaseColorSpace(const CPDF_Object* pColorSpace); 41 CPDF_Pattern* GetPattern(CPDF_Object* pPatternObj, 42 bool bShading, 43 const CFX_Matrix& matrix); 44 void ReleasePattern(const CPDF_Object* pPatternObj); 45 CPDF_Image* GetImage(uint32_t dwStreamObjNum); 46 void ReleaseImage(uint32_t dwStreamObjNum); 47 CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream); 48 void ReleaseIccProfile(const CPDF_IccProfile* pIccProfile); 49 CPDF_StreamAcc* GetFontFileStreamAcc(CPDF_Stream* pFontStream); 50 void ReleaseFontFileStreamAcc(const CPDF_Stream* pFontStream); 51 bool IsForceClear() const { return m_bForceClear; } 52 CPDF_CountedColorSpace* FindColorSpacePtr(CPDF_Object* pCSObj) const; 53 CPDF_CountedPattern* FindPatternPtr(CPDF_Object* pPatternObj) const; 54 55 private: 56 using CPDF_CountedFont = CPDF_CountedObject<CPDF_Font>; 57 using CPDF_CountedIccProfile = CPDF_CountedObject<CPDF_IccProfile>; 58 using CPDF_CountedImage = CPDF_CountedObject<CPDF_Image>; 59 using CPDF_CountedStreamAcc = CPDF_CountedObject<CPDF_StreamAcc>; 60 61 using CPDF_ColorSpaceMap = 62 std::map<const CPDF_Object*, CPDF_CountedColorSpace*>; 63 using CPDF_FontFileMap = std::map<const CPDF_Stream*, CPDF_CountedStreamAcc*>; 64 using CPDF_FontMap = std::map<const CPDF_Dictionary*, CPDF_CountedFont*>; 65 using CPDF_IccProfileMap = 66 std::map<const CPDF_Stream*, CPDF_CountedIccProfile*>; 67 using CPDF_ImageMap = std::map<uint32_t, CPDF_CountedImage*>; 68 using CPDF_PatternMap = std::map<const CPDF_Object*, CPDF_CountedPattern*>; 69 70 CPDF_ColorSpace* GetColorSpaceImpl(CPDF_Object* pCSObj, 71 const CPDF_Dictionary* pResources, 72 std::set<CPDF_Object*>* pVisited); 73 74 CPDF_Document* const m_pPDFDoc; 75 bool m_bForceClear; 76 std::map<CFX_ByteString, CPDF_Stream*> m_HashProfileMap; 77 CPDF_ColorSpaceMap m_ColorSpaceMap; 78 CPDF_FontFileMap m_FontFileMap; 79 CPDF_FontMap m_FontMap; 80 CPDF_IccProfileMap m_IccProfileMap; 81 CPDF_ImageMap m_ImageMap; 82 CPDF_PatternMap m_PatternMap; 83 }; 84 85 #endif // CORE_FPDFAPI_PAGE_CPDF_DOCPAGEDATA_H_ 86
