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 #include "../../public/fpdf_sysfontinfo.h" 8 #include "../include/fsdk_define.h" 9 #include "../include/pdfwindow/PWL_FontMap.h" 10 11 class CSysFontInfo_Ext FX_FINAL : public IFX_SystemFontInfo 12 { 13 public: 14 FPDF_SYSFONTINFO* m_pInfo; 15 16 virtual void Release() FX_OVERRIDE 17 { 18 if (m_pInfo->Release) 19 m_pInfo->Release(m_pInfo); 20 delete this; 21 } 22 23 virtual FX_BOOL EnumFontList(CFX_FontMapper* pMapper) FX_OVERRIDE 24 { 25 if (m_pInfo->EnumFonts) { 26 m_pInfo->EnumFonts(m_pInfo, pMapper); 27 return TRUE; 28 } 29 return FALSE; 30 } 31 32 virtual void* MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, FX_LPCSTR family, FX_BOOL& bExact) FX_OVERRIDE 33 { 34 if (m_pInfo->MapFont) 35 return m_pInfo->MapFont(m_pInfo, weight, bItalic, charset, pitch_family, family, &bExact); 36 return NULL; 37 } 38 39 virtual void* GetFont(FX_LPCSTR family) FX_OVERRIDE 40 { 41 if (m_pInfo->GetFont) 42 return m_pInfo->GetFont(m_pInfo, family); 43 return NULL; 44 } 45 46 virtual FX_DWORD GetFontData(void* hFont, FX_DWORD table, FX_LPBYTE buffer, FX_DWORD size) FX_OVERRIDE 47 { 48 if (m_pInfo->GetFontData) 49 return m_pInfo->GetFontData(m_pInfo, hFont, table, buffer, size); 50 return 0; 51 } 52 53 virtual FX_BOOL GetFaceName(void* hFont, CFX_ByteString& name) FX_OVERRIDE 54 { 55 if (m_pInfo->GetFaceName == NULL) return FALSE; 56 FX_DWORD size = m_pInfo->GetFaceName(m_pInfo, hFont, NULL, 0); 57 if (size == 0) return FALSE; 58 char* buffer = FX_Alloc(char, size); 59 size = m_pInfo->GetFaceName(m_pInfo, hFont, buffer, size); 60 name = CFX_ByteString(buffer, size); 61 FX_Free(buffer); 62 return TRUE; 63 } 64 65 virtual FX_BOOL GetFontCharset(void* hFont, int& charset) FX_OVERRIDE 66 { 67 if (m_pInfo->GetFontCharset) { 68 charset = m_pInfo->GetFontCharset(m_pInfo, hFont); 69 return TRUE; 70 } 71 return FALSE; 72 } 73 74 virtual void DeleteFont(void* hFont) FX_OVERRIDE 75 { 76 if (m_pInfo->DeleteFont) 77 m_pInfo->DeleteFont(m_pInfo, hFont); 78 } 79 80 private: 81 ~CSysFontInfo_Ext() { } 82 }; 83 84 DLLEXPORT void STDCALL FPDF_AddInstalledFont(void* mapper, const char* name, int charset) 85 { 86 ((CFX_FontMapper*)mapper)->AddInstalledFont(name, charset); 87 } 88 89 DLLEXPORT void STDCALL FPDF_SetSystemFontInfo(FPDF_SYSFONTINFO* pFontInfoExt) 90 { 91 if (pFontInfoExt->version != 1) return; 92 93 CSysFontInfo_Ext* pFontInfo = new CSysFontInfo_Ext; 94 pFontInfo->m_pInfo = pFontInfoExt; 95 CFX_GEModule::Get()->GetFontMgr()->SetSystemFontInfo(pFontInfo); 96 } 97 98 DLLEXPORT const FPDF_CharsetFontMap* STDCALL FPDF_GetDefaultTTFMap() 99 { 100 return CPWL_FontMap::defaultTTFMap; 101 } 102 103 struct FPDF_SYSFONTINFO_DEFAULT : public FPDF_SYSFONTINFO 104 { 105 IFX_SystemFontInfo* m_pFontInfo; 106 }; 107 108 static void DefaultRelease(struct _FPDF_SYSFONTINFO* pThis) 109 { 110 ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->Release(); 111 } 112 113 static void DefaultEnumFonts(struct _FPDF_SYSFONTINFO* pThis, void* pMapper) 114 { 115 ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->EnumFontList((CFX_FontMapper*)pMapper); 116 } 117 118 static void* DefaultMapFont(struct _FPDF_SYSFONTINFO* pThis, int weight, int bItalic, int charset, int pitch_family, const char* family, int* bExact) 119 { 120 return ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->MapFont(weight, bItalic, charset, pitch_family, family, *bExact); 121 } 122 123 void* DefaultGetFont(struct _FPDF_SYSFONTINFO* pThis, const char* family) 124 { 125 return ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->GetFont(family); 126 } 127 128 static unsigned long DefaultGetFontData(struct _FPDF_SYSFONTINFO* pThis, void* hFont, 129 unsigned int table, unsigned char* buffer, unsigned long buf_size) 130 { 131 return ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->GetFontData(hFont, table, buffer, buf_size); 132 } 133 134 static unsigned long DefaultGetFaceName(struct _FPDF_SYSFONTINFO* pThis, void* hFont, char* buffer, unsigned long buf_size) 135 { 136 CFX_ByteString name; 137 if (!((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->GetFaceName(hFont, name)) return 0; 138 if (name.GetLength() >= (long)buf_size) return name.GetLength() + 1; 139 FXSYS_strcpy(buffer, name); 140 return name.GetLength() + 1; 141 } 142 143 static int DefaultGetFontCharset(struct _FPDF_SYSFONTINFO* pThis, void* hFont) 144 { 145 int charset; 146 if (!((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->GetFontCharset(hFont, charset)) return 0; 147 return charset; 148 } 149 150 static void DefaultDeleteFont(struct _FPDF_SYSFONTINFO* pThis, void* hFont) 151 { 152 ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->DeleteFont(hFont); 153 } 154 155 DLLEXPORT FPDF_SYSFONTINFO* STDCALL FPDF_GetDefaultSystemFontInfo() 156 { 157 IFX_SystemFontInfo* pFontInfo = IFX_SystemFontInfo::CreateDefault(); 158 if (pFontInfo == NULL) return NULL; 159 160 FPDF_SYSFONTINFO_DEFAULT* pFontInfoExt = FX_Alloc(FPDF_SYSFONTINFO_DEFAULT, 1); 161 pFontInfoExt->DeleteFont = DefaultDeleteFont; 162 pFontInfoExt->EnumFonts = DefaultEnumFonts; 163 pFontInfoExt->GetFaceName = DefaultGetFaceName; 164 pFontInfoExt->GetFont = DefaultGetFont; 165 pFontInfoExt->GetFontCharset = DefaultGetFontCharset; 166 pFontInfoExt->GetFontData = DefaultGetFontData; 167 pFontInfoExt->MapFont = DefaultMapFont; 168 pFontInfoExt->Release = DefaultRelease; 169 pFontInfoExt->version = 1; 170 pFontInfoExt->m_pFontInfo = pFontInfo; 171 return pFontInfoExt; 172 } 173
