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      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 CORE_SRC_FXGE_ANDROID_FPF_SKIAFONTMGR_H_
      8 #define CORE_SRC_FXGE_ANDROID_FPF_SKIAFONTMGR_H_
      9 
     10 #if _FX_OS_ == _FX_ANDROID_
     11 #define FPF_SKIAFONTTYPE_Unknown	0
     12 #define	FPF_SKIAFONTTYPE_Path		1
     13 #define FPF_SKIAFONTTYPE_File		2
     14 #define FPF_SKIAFONTTYPE_Buffer		3
     15 class CFPF_SkiaFontDescriptor
     16 {
     17 public:
     18     CFPF_SkiaFontDescriptor() : m_pFamily(NULL), m_dwStyle(0), m_iFaceIndex(0), m_dwCharsets(0), m_iGlyphNum(0) {}
     19     virtual ~CFPF_SkiaFontDescriptor()
     20     {
     21         if (m_pFamily) {
     22             FX_Free(m_pFamily);
     23         }
     24     }
     25     virtual	FX_INT32	GetType() const
     26     {
     27         return FPF_SKIAFONTTYPE_Unknown;
     28     }
     29     void				SetFamily(FX_LPCSTR pFamily)
     30     {
     31         if (m_pFamily) {
     32             FX_Free(m_pFamily);
     33         }
     34         FX_INT32 iSize = FXSYS_strlen(pFamily);
     35         m_pFamily = FX_Alloc(FX_CHAR, iSize + 1);
     36         FXSYS_memcpy32(m_pFamily, pFamily, iSize * sizeof(FX_CHAR));
     37         m_pFamily[iSize] = 0;
     38     }
     39     FX_LPSTR		m_pFamily;
     40     FX_DWORD		m_dwStyle;
     41     FX_INT32		m_iFaceIndex;
     42     FX_DWORD		m_dwCharsets;
     43     FX_INT32		m_iGlyphNum;
     44 };
     45 class CFPF_SkiaPathFont : public CFPF_SkiaFontDescriptor
     46 {
     47 public:
     48     CFPF_SkiaPathFont() : m_pPath(NULL) {}
     49     virtual ~CFPF_SkiaPathFont()
     50     {
     51         if (m_pPath) {
     52             FX_Free(m_pPath);
     53         }
     54     }
     55     virtual	FX_INT32	GetType() const
     56     {
     57         return FPF_SKIAFONTTYPE_Path;
     58     }
     59     void				SetPath(FX_LPCSTR pPath)
     60     {
     61         if (m_pPath) {
     62             FX_Free(m_pPath);
     63         }
     64         FX_INT32 iSize = FXSYS_strlen(pPath);
     65         m_pPath = FX_Alloc(FX_CHAR, iSize + 1);
     66         FXSYS_memcpy32(m_pPath, pPath, iSize * sizeof(FX_CHAR));
     67         m_pPath[iSize] = 0;
     68     }
     69     FX_LPSTR		m_pPath;
     70 };
     71 class CFPF_SkiaFileFont : public CFPF_SkiaFontDescriptor
     72 {
     73 public:
     74     CFPF_SkiaFileFont() : m_pFile(NULL) {}
     75     virtual FX_INT32	GetType() const
     76     {
     77         return FPF_SKIAFONTTYPE_File;
     78     }
     79     IFX_FileRead		*m_pFile;
     80 };
     81 class CFPF_SkiaBufferFont : public CFPF_SkiaFontDescriptor
     82 {
     83 public:
     84     CFPF_SkiaBufferFont() : m_pBuffer(NULL), m_szBuffer(0) {}
     85     virtual FX_INT32	GetType() const
     86     {
     87         return FPF_SKIAFONTTYPE_Buffer;
     88     }
     89     FX_LPVOID			m_pBuffer;
     90     size_t				m_szBuffer;
     91 };
     92 class CFPF_SkiaFontMgr : public IFPF_FontMgr
     93 {
     94 public:
     95     CFPF_SkiaFontMgr();
     96     virtual ~CFPF_SkiaFontMgr();
     97     FX_BOOL					InitFTLibrary();
     98     virtual void			LoadSystemFonts();
     99     virtual void			LoadPrivateFont(IFX_FileRead* pFontFile);
    100     virtual void			LoadPrivateFont(FX_BSTR bsFileName);
    101     virtual void			LoadPrivateFont(FX_LPVOID pBuffer, size_t szBuffer);
    102 
    103     virtual IFPF_Font*		CreateFont(FX_BSTR bsFamilyname, FX_BYTE uCharset, FX_DWORD dwStyle, FX_DWORD dwMatch = 0);
    104     FXFT_Face				GetFontFace(IFX_FileRead *pFileRead, FX_INT32 iFaceIndex = 0);
    105     FXFT_Face				GetFontFace(FX_BSTR bsFile, FX_INT32 iFaceIndex = 0);
    106     FXFT_Face				GetFontFace(FX_LPCBYTE pBuffer, size_t szBuffer, FX_INT32 iFaceIndex = 0);
    107 protected:
    108     void				ScanPath(FX_BSTR path);
    109     void				ScanFile(FX_BSTR file);
    110     void				ReportFace(FXFT_Face face, CFPF_SkiaFontDescriptor *pFontDesc);
    111     void				OutputSystemFonts();
    112     FX_BOOL				m_bLoaded;
    113     CFX_PtrArray		m_FontFaces;
    114     FXFT_Library		m_FTLibrary;
    115     CFX_MapPtrToPtr		m_FamilyFonts;
    116 };
    117 #endif
    118 
    119 #endif  // CORE_SRC_FXGE_ANDROID_FPF_SKIAFONTMGR_H_
    120