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_INCLUDE_FXGE_FPF_H_
8 #define CORE_INCLUDE_FXGE_FPF_H_
9 
10 #include "core/include/fxcrt/fx_coordinates.h"
11 
12 class IFPF_FontMgr;
13 
14 class IFPF_DeviceModule {
15  public:
~IFPF_DeviceModule()16   virtual ~IFPF_DeviceModule() {}
17   virtual void Destroy() = 0;
18   virtual IFPF_FontMgr* GetFontMgr() = 0;
19 };
20 
21 IFPF_DeviceModule* FPF_GetDeviceModule();
22 
23 #define FPF_MATCHFONT_REPLACEANSI 1
24 
25 typedef struct FPF_HFONT_ { void* pData; } * FPF_HFONT;
26 
27 class IFPF_Font {
28  public:
29   virtual void Release() = 0;
30   virtual IFPF_Font* Retain() = 0;
31   virtual FPF_HFONT GetHandle() = 0;
32   virtual CFX_ByteString GetFamilyName() = 0;
33   virtual CFX_WideString GetPsName() = 0;
34   virtual FX_DWORD GetFontStyle() const = 0;
35   virtual uint8_t GetCharset() const = 0;
36 
37   virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode) = 0;
38   virtual int32_t GetGlyphWidth(int32_t iGlyphIndex) = 0;
39 
40   virtual int32_t GetAscent() const = 0;
41   virtual int32_t GetDescent() const = 0;
42 
43   virtual FX_BOOL GetGlyphBBox(int32_t iGlyphIndex, FX_RECT& rtBBox) = 0;
44   virtual FX_BOOL GetBBox(FX_RECT& rtBBox) = 0;
45 
46   virtual int32_t GetHeight() const = 0;
47   virtual int32_t GetItalicAngle() const = 0;
48   virtual FX_DWORD GetFontData(FX_DWORD dwTable,
49                                uint8_t* pBuffer,
50                                FX_DWORD dwSize) = 0;
51 
52  protected:
~IFPF_Font()53   virtual ~IFPF_Font() {}
54 };
55 
56 class IFPF_FontMgr {
57  public:
~IFPF_FontMgr()58   virtual ~IFPF_FontMgr() {}
59   virtual void LoadSystemFonts() = 0;
60   virtual void LoadPrivateFont(IFX_FileRead* pFontFile) = 0;
61   virtual void LoadPrivateFont(const CFX_ByteStringC& bsFileName) = 0;
62   virtual void LoadPrivateFont(void* pBuffer, size_t szBuffer) = 0;
63 
64   virtual IFPF_Font* CreateFont(const CFX_ByteStringC& bsFamilyname,
65                                 uint8_t charset,
66                                 FX_DWORD dwStyle,
67                                 FX_DWORD dwMatch = 0) = 0;
68 };
69 
70 #endif  // CORE_INCLUDE_FXGE_FPF_H_
71