| // 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 |
| |
| typedef void* FXFT_Library; |
| class CPDF_CMapManager |
| { |
| public: |
| CPDF_CMapManager(); |
| ~CPDF_CMapManager(); |
| FX_LPVOID GetPackage(FX_BOOL bPrompt); |
| CPDF_CMap* GetPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPrompt); |
| CPDF_CID2UnicodeMap* GetCID2UnicodeMap(int charset, FX_BOOL bPrompt); |
| void ReloadAll(); |
| private: |
| CPDF_CMap* LoadPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPrompt); |
| CPDF_CID2UnicodeMap* LoadCID2UnicodeMap(int charset, FX_BOOL bPrompt); |
| void DropAll(FX_BOOL bReload); |
| FX_BOOL m_bPrompted; |
| CFX_MapByteStringToPtr m_CMaps; |
| CPDF_CID2UnicodeMap* m_CID2UnicodeMaps[6]; |
| }; |
| class CPDF_FontGlobals |
| { |
| public: |
| CPDF_FontGlobals(); |
| ~CPDF_FontGlobals(); |
| void ClearAll(); |
| void Clear(void* key); |
| CPDF_Font* Find(void* key, int index); |
| void Set(void* key, int index, CPDF_Font* pFont); |
| CPDF_CMapManager m_CMapManager; |
| struct { |
| const struct FXCMAP_CMap* m_pMapList; |
| int m_Count; |
| } m_EmbeddedCharsets[NUMBER_OF_CIDSETS]; |
| struct { |
| const FX_WORD* m_pMap; |
| int m_Count; |
| } m_EmbeddedToUnicodes[NUMBER_OF_CIDSETS]; |
| private: |
| CFX_MapPtrToPtr m_pStockMap; |
| FX_LPBYTE m_pContrastRamps; |
| }; |
| struct _CMap_CodeRange { |
| int m_CharSize; |
| FX_BYTE m_Lower[4]; |
| FX_BYTE m_Upper[4]; |
| }; |
| class CPDF_CMapParser |
| { |
| public: |
| CPDF_CMapParser(); |
| ~CPDF_CMapParser() {} |
| FX_BOOL Initialize(CPDF_CMap*); |
| void ParseWord(FX_BSTR str); |
| CFX_BinaryBuf m_AddMaps; |
| private: |
| CPDF_CMap* m_pCMap; |
| int m_Status; |
| int m_CodeSeq; |
| FX_DWORD m_CodePoints[4]; |
| CFX_ArrayTemplate<_CMap_CodeRange> m_CodeRanges; |
| CFX_ByteString m_Registry, m_Ordering, m_Supplement; |
| CFX_ByteString m_LastWord; |
| }; |
| #define CIDCODING_UNKNOWN 0 |
| #define CIDCODING_GB 1 |
| #define CIDCODING_BIG5 2 |
| #define CIDCODING_JIS 3 |
| #define CIDCODING_KOREA 4 |
| #define CIDCODING_UCS2 5 |
| #define CIDCODING_CID 6 |
| #define CIDCODING_UTF16 7 |
| class CPDF_CMap |
| { |
| public: |
| CPDF_CMap(); |
| FX_BOOL LoadPredefined(CPDF_CMapManager* pMgr, const FX_CHAR* name, FX_BOOL bPromptCJK); |
| FX_BOOL LoadEmbedded(FX_LPCBYTE pData, FX_DWORD dwSize); |
| void Release(); |
| FX_BOOL IsLoaded() const |
| { |
| return m_bLoaded; |
| } |
| int GetCharset() |
| { |
| return m_Charset; |
| } |
| FX_BOOL IsVertWriting() const |
| { |
| return m_bVertical; |
| } |
| FX_WORD CIDFromCharCode(FX_DWORD charcode) const; |
| FX_DWORD CharCodeFromCID(FX_WORD CID) const; |
| int GetCharSize(FX_DWORD charcode) const; |
| FX_DWORD GetNextChar(FX_LPCSTR pString, int nStrLen, int& offset) const; |
| int CountChar(FX_LPCSTR pString, int size) const; |
| int AppendChar(FX_LPSTR str, FX_DWORD charcode) const; |
| typedef enum {OneByte, TwoBytes, MixedTwoBytes, MixedFourBytes} CodingScheme; |
| protected: |
| ~CPDF_CMap(); |
| friend class CPDF_CMapParser; |
| friend class CPDF_CMapManager; |
| friend class CPDF_CIDFont; |
| protected: |
| CFX_ByteString m_PredefinedCMap; |
| FX_BOOL m_bVertical; |
| int m_Charset, m_Coding; |
| CodingScheme m_CodingScheme; |
| int m_nCodeRanges; |
| FX_BYTE* m_pLeadingBytes; |
| FX_WORD* m_pMapping; |
| FX_LPBYTE m_pAddMapping; |
| FX_BOOL m_bLoaded; |
| const FXCMAP_CMap* m_pEmbedMap; |
| CPDF_CMap* m_pUseMap; |
| }; |
| class CPDF_PredefinedCMap |
| { |
| public: |
| FX_LPCSTR m_pName; |
| int m_Charset; |
| int m_Coding; |
| CPDF_CMap::CodingScheme m_CodingScheme; |
| FX_DWORD m_LeadingSegCount; |
| FX_BYTE m_LeadingSegs[4]; |
| }; |
| typedef struct _FileHeader { |
| FX_BYTE btTag[4]; |
| FX_BYTE btVersion; |
| FX_BYTE btFormat; |
| FX_BYTE btReserved1[2]; |
| FX_DWORD dwStartIndex; |
| FX_DWORD dwEndIndex; |
| FX_DWORD dwDataSize; |
| FX_DWORD dwDataOffset; |
| FX_DWORD dwRecordSize; |
| } FXMP_FILEHEADER; |
| class CPDF_CID2UnicodeMap |
| { |
| public: |
| CPDF_CID2UnicodeMap(); |
| ~CPDF_CID2UnicodeMap(); |
| FX_BOOL Initialize(); |
| FX_BOOL IsLoaded(); |
| void Load(CPDF_CMapManager* pMgr, int charset, FX_BOOL bPromptCJK); |
| FX_WCHAR UnicodeFromCID(FX_WORD CID); |
| protected: |
| int m_Charset; |
| const FX_WORD* m_pEmbeddedMap; |
| FX_DWORD m_EmbeddedCount; |
| }; |
| class CPDF_ToUnicodeMap |
| { |
| public: |
| void Load(CPDF_Stream* pStream); |
| CFX_WideString Lookup(FX_DWORD charcode); |
| FX_DWORD ReverseLookup(FX_WCHAR unicode); |
| protected: |
| CFX_CMapDWordToDWord m_Map; |
| CPDF_CID2UnicodeMap* m_pBaseMap; |
| CFX_WideTextBuf m_MultiCharBuf; |
| }; |
| class CPDF_FontCharMap : public CFX_CharMap |
| { |
| public: |
| CPDF_FontCharMap(CPDF_Font* pFont); |
| CPDF_Font* m_pFont; |
| }; |