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      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_FXGE_CFX_FONTMAPPER_H_
      8 #define CORE_FXGE_CFX_FONTMAPPER_H_
      9 
     10 #include <memory>
     11 #include <utility>
     12 #include <vector>
     13 
     14 #include "core/fxge/fx_font.h"
     15 
     16 class CFX_FontMgr;
     17 class CFX_SubstFont;
     18 class IFX_SystemFontInfo;
     19 
     20 class CFX_FontMapper {
     21  public:
     22   explicit CFX_FontMapper(CFX_FontMgr* mgr);
     23   ~CFX_FontMapper();
     24 
     25   void SetSystemFontInfo(std::unique_ptr<IFX_SystemFontInfo> pFontInfo);
     26   IFX_SystemFontInfo* GetSystemFontInfo() { return m_pFontInfo.get(); }
     27   void AddInstalledFont(const ByteString& name, int charset);
     28   void LoadInstalledFonts();
     29 
     30   FXFT_Face FindSubstFont(const ByteString& face_name,
     31                           bool bTrueType,
     32                           uint32_t flags,
     33                           int weight,
     34                           int italic_angle,
     35                           int CharsetCP,
     36                           CFX_SubstFont* pSubstFont);
     37 #ifdef PDF_ENABLE_XFA
     38   FXFT_Face FindSubstFontByUnicode(uint32_t dwUnicode,
     39                                    uint32_t flags,
     40                                    int weight,
     41                                    int italic_angle);
     42 #endif  // PDF_ENABLE_XFA
     43   bool IsBuiltinFace(const FXFT_Face face) const;
     44   int GetFaceSize() const;
     45   ByteString GetFaceName(int index) const { return m_FaceArray[index].name; }
     46 
     47   std::vector<ByteString> m_InstalledTTFonts;
     48   std::vector<std::pair<ByteString, ByteString>> m_LocalizedTTFonts;
     49 
     50  private:
     51   static const size_t MM_FACE_COUNT = 2;
     52   static const size_t FOXIT_FACE_COUNT = 14;
     53 
     54   ByteString GetPSNameFromTT(void* hFont);
     55   ByteString MatchInstalledFonts(const ByteString& norm_name);
     56   FXFT_Face UseInternalSubst(CFX_SubstFont* pSubstFont,
     57                              int iBaseFont,
     58                              int italic_angle,
     59                              int weight,
     60                              int picthfamily);
     61   FXFT_Face GetCachedTTCFace(void* hFont,
     62                              const uint32_t tableTTCF,
     63                              uint32_t ttc_size,
     64                              uint32_t font_size);
     65   FXFT_Face GetCachedFace(void* hFont,
     66                           ByteString SubstName,
     67                           int weight,
     68                           bool bItalic,
     69                           uint32_t font_size);
     70 
     71   struct FaceData {
     72     ByteString name;
     73     uint32_t charset;
     74   };
     75 
     76   bool m_bListLoaded;
     77   FXFT_Face m_MMFaces[MM_FACE_COUNT];
     78   ByteString m_LastFamily;
     79   std::vector<FaceData> m_FaceArray;
     80   std::unique_ptr<IFX_SystemFontInfo> m_pFontInfo;
     81   FXFT_Face m_FoxitFaces[FOXIT_FACE_COUNT];
     82   UnownedPtr<CFX_FontMgr> const m_pFontMgr;
     83 };
     84 
     85 #endif  // CORE_FXGE_CFX_FONTMAPPER_H_
     86