Home | History | Annotate | Download | only in pdfwindow 
      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 #ifndef _PWL_FONTMAP_H_
      8 #define _PWL_FONTMAP_H_
      9 
     10 struct CPWL_FontMap_Data
     11 {
     12 	CPDF_Font*			pFont;
     13 	FX_INT32			nCharset;
     14 	CFX_ByteString		sFontName;
     15 };
     16 
     17 struct CPWL_FontMap_Native
     18 {
     19 	FX_INT32			nCharset;
     20 	CFX_ByteString		sFontName;
     21 };
     22 
     23 #ifndef ANSI_CHARSET
     24 
     25 #define ANSI_CHARSET            0
     26 #define DEFAULT_CHARSET         1
     27 #define SYMBOL_CHARSET          2
     28 #define SHIFTJIS_CHARSET        128
     29 #define HANGEUL_CHARSET         129
     30 #define HANGUL_CHARSET          129
     31 #define GB2312_CHARSET          134
     32 #define CHINESEBIG5_CHARSET     136
     33 #define OEM_CHARSET             255
     34 #define JOHAB_CHARSET           130
     35 #define HEBREW_CHARSET          177
     36 #define ARABIC_CHARSET          178
     37 #define GREEK_CHARSET           161
     38 #define TURKISH_CHARSET         162
     39 #define VIETNAMESE_CHARSET      163
     40 #define THAI_CHARSET            222
     41 #define EASTEUROPE_CHARSET      238
     42 #define RUSSIAN_CHARSET         204
     43 #define BALTIC_CHARSET          186
     44 
     45 #endif
     46 
     47 #ifndef PWL_CLASS
     48 
     49 	#ifdef FX_READER_DLL
     50 		#define PWL_CLASS		__declspec(dllexport)
     51 	#else
     52 		#define PWL_CLASS
     53 	#endif
     54 #endif
     55 
     56 class IFX_SystemHandler;
     57 class PWL_CLASS CPWL_FontMap : public IFX_Edit_FontMap
     58 {
     59 public:
     60 	CPWL_FontMap(IFX_SystemHandler* pSystemHandler);
     61 	virtual ~CPWL_FontMap();
     62 
     63 	virtual CPDF_Font*							GetPDFFont(FX_INT32 nFontIndex);
     64 	virtual CFX_ByteString						GetPDFFontAlias(FX_INT32 nFontIndex);
     65 	virtual FX_INT32							GetWordFontIndex(FX_WORD word, FX_INT32 nCharset, FX_INT32 nFontIndex);
     66 	virtual FX_INT32							CharCodeFromUnicode(FX_INT32 nFontIndex, FX_WORD word);
     67 	virtual FX_INT32							CharSetFromUnicode(FX_WORD word, FX_INT32 nOldCharset);
     68 
     69 public:
     70 	virtual void								Initial(FX_LPCSTR fontname = NULL);
     71 	void										SetSystemHandler(IFX_SystemHandler* pSystemHandler);
     72 
     73 	FX_INT32									GetFontMapCount() const;
     74 	const CPWL_FontMap_Data*					GetFontMapData(FX_INT32 nIndex) const;
     75 
     76 public:
     77 	static FX_INT32								GetNativeCharset();
     78 	CFX_ByteString								GetNativeFontName(FX_INT32 nCharset);
     79 
     80 	static CFX_ByteString						GetDefaultFontByCharset(FX_INT32 nCharset);
     81 
     82 	CPDF_Font*									AddFontToDocument(CPDF_Document* pDoc, CFX_ByteString& sFontName, FX_BYTE nCharset);
     83 	static FX_BOOL								IsStandardFont(const CFX_ByteString& sFontName);
     84 	CPDF_Font*									AddStandardFont(CPDF_Document* pDoc, CFX_ByteString& sFontName);
     85 	CPDF_Font*									AddSystemFont(CPDF_Document* pDoc, CFX_ByteString& sFontName,
     86 													FX_BYTE nCharset);
     87 
     88 protected:
     89 	virtual CPDF_Font*							FindFontSameCharset(CFX_ByteString& sFontAlias, FX_INT32 nCharset);
     90 	virtual void								AddedFont(CPDF_Font* pFont, const CFX_ByteString& sFontAlias);
     91 	FX_BOOL										KnowWord(FX_INT32 nFontIndex, FX_WORD word);
     92 
     93 	virtual CPDF_Document*						GetDocument();
     94 
     95 	void										Empty();
     96 	FX_INT32									GetFontIndex(const CFX_ByteString& sFontName, FX_INT32 nCharset, FX_BOOL bFind);
     97 	FX_INT32									GetPWLFontIndex(FX_WORD word, FX_INT32 nCharset);
     98 	FX_INT32									AddFontData(CPDF_Font* pFont, const CFX_ByteString& sFontAlias, FX_INT32 nCharset = DEFAULT_CHARSET);
     99 
    100 	CFX_ByteString								EncodeFontAlias(const CFX_ByteString& sFontName, FX_INT32 nCharset);
    101 	CFX_ByteString								EncodeFontAlias(const CFX_ByteString& sFontName);
    102 
    103 private:
    104 	CFX_ByteString								GetFontName(FX_INT32 nFontIndex);
    105 	FX_INT32									FindFont(const CFX_ByteString& sFontName, FX_INT32 nCharset = DEFAULT_CHARSET);
    106 
    107 	CFX_ByteString								GetNativeFont(FX_INT32 nCharset);
    108 
    109 public:
    110 	struct CharsetFontMap {
    111 		FX_INT32								charset;
    112 		const char*								fontname;
    113 	};
    114 	static const CharsetFontMap					defaultTTFMap[];
    115 
    116 protected:
    117 	CFX_ArrayTemplate<CPWL_FontMap_Data*>		m_aData;
    118 	CFX_ArrayTemplate<CPWL_FontMap_Native*>		m_aNativeFont;
    119 
    120 private:
    121 	CPDF_Document*								m_pPDFDoc;
    122 	IFX_SystemHandler*							m_pSystemHandler;
    123 };
    124 
    125 class PWL_CLASS CPWL_DocFontMap : public CPWL_FontMap
    126 {
    127 public:
    128 	CPWL_DocFontMap(IFX_SystemHandler* pSystemHandler, CPDF_Document* pAttachedDoc);
    129 	virtual ~CPWL_DocFontMap();
    130 
    131 	virtual CPDF_Document*						GetDocument();
    132 
    133 private:
    134 	CPDF_Document*								m_pAttachedDoc;
    135 };
    136 
    137 #endif
    138