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/cfx_fontmgr.h"
15 #include "core/fxge/fx_font.h"
16 
17 class CFX_SubstFont;
18 
19 class CFX_FontMapper {
20  public:
21   explicit CFX_FontMapper(CFX_FontMgr* mgr);
22   ~CFX_FontMapper();
23 
24   void SetSystemFontInfo(std::unique_ptr<IFX_SystemFontInfo> pFontInfo);
GetSystemFontInfo()25   IFX_SystemFontInfo* GetSystemFontInfo() { return m_pFontInfo.get(); }
26   void AddInstalledFont(const CFX_ByteString& name, int charset);
27   void LoadInstalledFonts();
28 
29   FXFT_Face FindSubstFont(const CFX_ByteString& face_name,
30                           bool bTrueType,
31                           uint32_t flags,
32                           int weight,
33                           int italic_angle,
34                           int CharsetCP,
35                           CFX_SubstFont* pSubstFont);
36 #ifdef PDF_ENABLE_XFA
37   FXFT_Face FindSubstFontByUnicode(uint32_t dwUnicode,
38                                    uint32_t flags,
39                                    int weight,
40                                    int italic_angle);
41 #endif  // PDF_ENABLE_XFA
42   bool IsBuiltinFace(const FXFT_Face face) const;
43   int GetFaceSize() const;
GetFaceName(int index)44   CFX_ByteString GetFaceName(int index) const {
45     return m_FaceArray[index].name;
46   }
47 
48   std::vector<CFX_ByteString> m_InstalledTTFonts;
49   std::vector<std::pair<CFX_ByteString, CFX_ByteString>> m_LocalizedTTFonts;
50 
51  private:
52   static const size_t MM_FACE_COUNT = 2;
53   static const size_t FOXIT_FACE_COUNT = 14;
54 
55   CFX_ByteString GetPSNameFromTT(void* hFont);
56   CFX_ByteString MatchInstalledFonts(const CFX_ByteString& norm_name);
57   FXFT_Face UseInternalSubst(CFX_SubstFont* pSubstFont,
58                              int iBaseFont,
59                              int italic_angle,
60                              int weight,
61                              int picthfamily);
62   FXFT_Face GetCachedTTCFace(void* hFont,
63                              const uint32_t tableTTCF,
64                              uint32_t ttc_size,
65                              uint32_t font_size);
66   FXFT_Face GetCachedFace(void* hFont,
67                           CFX_ByteString SubstName,
68                           int weight,
69                           bool bItalic,
70                           uint32_t font_size);
71 
72   struct FaceData {
73     CFX_ByteString name;
74     uint32_t charset;
75   };
76 
77   bool m_bListLoaded;
78   FXFT_Face m_MMFaces[MM_FACE_COUNT];
79   CFX_ByteString m_LastFamily;
80   std::vector<FaceData> m_FaceArray;
81   std::unique_ptr<IFX_SystemFontInfo> m_pFontInfo;
82   FXFT_Face m_FoxitFaces[FOXIT_FACE_COUNT];
83   CFX_FontMgr* const m_pFontMgr;
84 };
85 
86 #endif  // CORE_FXGE_CFX_FONTMAPPER_H_
87