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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 XFA_FGAS_FONT_FGAS_FONT_H_ | |
8 #define XFA_FGAS_FONT_FGAS_FONT_H_ | |
9 | |
10 #include "core/fxge/fx_font.h" | |
11 #include "xfa/fgas/crt/fgas_stream.h" | |
12 | |
13 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
14 #include "xfa/fgas/crt/fgas_memory.h" | |
15 #include "xfa/fgas/crt/fgas_utils.h" | |
16 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
17 | |
18 class CFX_FontSourceEnum_File; | |
19 class CFGAS_GEFont; | |
20 class CXFA_PDFFontMgr; | |
21 class IFGAS_FontMgr; | |
22 | |
23 #define FX_FONTSTYLE_Normal 0x00 | |
24 #define FX_FONTSTYLE_FixedPitch 0x01 | |
25 #define FX_FONTSTYLE_Serif 0x02 | |
26 #define FX_FONTSTYLE_Symbolic 0x04 | |
27 #define FX_FONTSTYLE_Script 0x08 | |
28 #define FX_FONTSTYLE_Italic 0x40 | |
29 #define FX_FONTSTYLE_Bold 0x40000 | |
30 #define FX_FONTSTYLE_BoldItalic (FX_FONTSTYLE_Bold | FX_FONTSTYLE_Italic) | |
31 #define FX_FONTSTYLE_ExactMatch 0x80000000 | |
32 | |
33 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
34 struct FX_FONTMATCHPARAMS { | |
35 const FX_WCHAR* pwsFamily; | |
36 uint32_t dwFontStyles; | |
37 uint32_t dwUSB; | |
38 uint32_t dwMatchFlags; | |
39 FX_WCHAR wUnicode; | |
40 uint16_t wCodePage; | |
41 }; | |
42 typedef FX_FONTMATCHPARAMS* FX_LPFONTMATCHPARAMS; | |
43 typedef FX_FONTMATCHPARAMS const* FX_LPCFONTMATCHPARAMS; | |
44 | |
45 struct FX_FONTSIGNATURE { | |
46 uint32_t fsUsb[4]; | |
47 uint32_t fsCsb[2]; | |
48 }; | |
49 inline bool operator==(const FX_FONTSIGNATURE& left, | |
50 const FX_FONTSIGNATURE& right) { | |
51 return left.fsUsb[0] == right.fsUsb[0] && left.fsUsb[1] == right.fsUsb[1] && | |
52 left.fsUsb[2] == right.fsUsb[2] && left.fsUsb[3] == right.fsUsb[3] && | |
53 left.fsCsb[0] == right.fsCsb[0] && left.fsCsb[1] == right.fsCsb[1]; | |
54 } | |
55 | |
56 struct FX_FONTDESCRIPTOR { | |
57 FX_WCHAR wsFontFace[32]; | |
58 uint32_t dwFontStyles; | |
59 uint8_t uCharSet; | |
60 FX_FONTSIGNATURE FontSignature; | |
61 }; | |
62 | |
63 typedef CFX_MassArrayTemplate<FX_FONTDESCRIPTOR> CFX_FontDescriptors; | |
64 inline bool operator==(const FX_FONTDESCRIPTOR& left, | |
65 const FX_FONTDESCRIPTOR& right) { | |
66 return left.uCharSet == right.uCharSet && | |
67 left.dwFontStyles == right.dwFontStyles && | |
68 left.FontSignature == right.FontSignature && | |
69 FXSYS_wcscmp(left.wsFontFace, right.wsFontFace) == 0; | |
70 } | |
71 | |
72 #define FX_FONTMATCHPARA_MacthStyle 0x01 | |
73 #define FX_FONTMATCHPARA_MacthFamily 0x02 | |
74 #define FX_FONTMATCHPARA_MacthUnicode 0x04 | |
75 typedef void (*FX_LPEnumAllFonts)(CFX_FontDescriptors& fonts, | |
76 const FX_WCHAR* pwsFaceName, | |
77 FX_WCHAR wUnicode); | |
78 FX_LPEnumAllFonts FX_GetDefFontEnumerator(); | |
79 typedef FX_FONTDESCRIPTOR const* (*FX_LPMatchFont)( | |
80 FX_LPFONTMATCHPARAMS pParams, | |
81 const CFX_FontDescriptors& fonts); | |
82 FX_LPMatchFont FX_GetDefFontMatchor(); | |
83 | |
84 class IFGAS_FontMgr { | |
85 public: | |
86 virtual ~IFGAS_FontMgr() {} | |
87 | |
88 static std::unique_ptr<IFGAS_FontMgr> Create(FX_LPEnumAllFonts pEnumerator); | |
89 | |
90 virtual CFGAS_GEFont* GetDefFontByCodePage( | |
91 uint16_t wCodePage, | |
92 uint32_t dwFontStyles, | |
93 const FX_WCHAR* pszFontFamily = nullptr) = 0; | |
94 virtual CFGAS_GEFont* GetDefFontByCharset( | |
95 uint8_t nCharset, | |
96 uint32_t dwFontStyles, | |
97 const FX_WCHAR* pszFontFamily = nullptr) = 0; | |
98 virtual CFGAS_GEFont* GetDefFontByUnicode( | |
99 FX_WCHAR wUnicode, | |
100 uint32_t dwFontStyles, | |
101 const FX_WCHAR* pszFontFamily = nullptr) = 0; | |
102 virtual CFGAS_GEFont* GetDefFontByLanguage( | |
103 uint16_t wLanguage, | |
104 uint32_t dwFontStyles, | |
105 const FX_WCHAR* pszFontFamily = nullptr) = 0; | |
106 virtual CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily, | |
107 uint32_t dwFontStyles, | |
108 uint16_t wCodePage = 0xFFFF) = 0; | |
109 virtual CFGAS_GEFont* LoadFont(const uint8_t* pBuffer, int32_t iLength) = 0; | |
110 virtual CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream, | |
111 const FX_WCHAR* pszFontAlias = nullptr, | |
112 uint32_t dwFontStyles = 0, | |
113 uint16_t wCodePage = 0, | |
114 bool bSaveStream = false) = 0; | |
115 virtual CFGAS_GEFont* LoadFont(CFGAS_GEFont* pSrcFont, | |
116 uint32_t dwFontStyles, | |
117 uint16_t wCodePage = 0xFFFF) = 0; | |
118 virtual void ClearFontCache() = 0; | |
119 virtual void RemoveFont(CFGAS_GEFont* pFont) = 0; | |
120 }; | |
121 | |
122 #else // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
123 | |
124 class IFGAS_FontMgr { | |
125 public: | |
126 virtual ~IFGAS_FontMgr() {} | |
127 | |
128 static std::unique_ptr<IFGAS_FontMgr> Create( | |
129 CFX_FontSourceEnum_File* pFontEnum); | |
130 | |
131 virtual CFGAS_GEFont* GetDefFontByCodePage(uint16_t wCodePage, | |
132 uint32_t dwFontStyles, | |
133 const FX_WCHAR* pszFontFamily) = 0; | |
134 virtual CFGAS_GEFont* GetDefFontByCharset(uint8_t nCharset, | |
135 uint32_t dwFontStyles, | |
136 const FX_WCHAR* pszFontFamily) = 0; | |
137 virtual CFGAS_GEFont* GetDefFontByUnicode(FX_WCHAR wUnicode, | |
138 uint32_t dwFontStyles, | |
139 const FX_WCHAR* pszFontFamily) = 0; | |
140 virtual CFGAS_GEFont* GetDefFontByLanguage(uint16_t wLanguage, | |
141 uint32_t dwFontStyles, | |
142 const FX_WCHAR* pszFontFamily) = 0; | |
143 virtual CFGAS_GEFont* GetFontByCodePage(uint16_t wCodePage, | |
144 uint32_t dwFontStyles, | |
145 const FX_WCHAR* pszFontFamily) = 0; | |
146 inline CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily, | |
147 uint32_t dwFontStyles, | |
148 uint16_t wCodePage) { | |
149 return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily); | |
150 } | |
151 virtual CFGAS_GEFont* GetFontByCharset(uint8_t nCharset, | |
152 uint32_t dwFontStyles, | |
153 const FX_WCHAR* pszFontFamily) = 0; | |
154 virtual CFGAS_GEFont* GetFontByUnicode(FX_WCHAR wUnicode, | |
155 uint32_t dwFontStyles, | |
156 const FX_WCHAR* pszFontFamily) = 0; | |
157 virtual CFGAS_GEFont* GetFontByLanguage(uint16_t wLanguage, | |
158 uint32_t dwFontStyles, | |
159 const FX_WCHAR* pszFontFamily) = 0; | |
160 virtual void ClearFontCache() = 0; | |
161 virtual void RemoveFont(CFGAS_GEFont* pFont) = 0; | |
162 }; | |
163 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
164 | |
165 #endif // XFA_FGAS_FONT_FGAS_FONT_H_ | |
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