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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 #include "core/include/fxge/fx_ge.h" | |
| 8 #include "core/src/fxge/agg/fx_agg_driver.h" | |
| 9 #include "core/src/fxge/ge/fx_text_int.h" | |
| 10 | |
| 11 #if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ | |
| 12 class CFX_LinuxFontInfo : public CFX_FolderFontInfo { | |
| 13 public: | |
| 14 void* MapFont(int weight, | |
| 15 FX_BOOL bItalic, | |
| 16 int charset, | |
| 17 int pitch_family, | |
| 18 const FX_CHAR* family, | |
| 19 int& iExact) override; | |
| 20 FX_BOOL ParseFontCfg(const char** pUserPaths); | |
| 21 }; | |
| 22 #define LINUX_GPNAMESIZE 6 | |
| 23 static const struct { | |
| 24 const FX_CHAR* NameArr[LINUX_GPNAMESIZE]; | |
| 25 } LinuxGpFontList[] = { | |
| 26 {{"TakaoPGothic", "VL PGothic", "IPAPGothic", "VL Gothic", "Kochi Gothic", | |
| 27 "VL Gothic regular"}}, | |
| 28 {{"TakaoGothic", "VL Gothic", "IPAGothic", "Kochi Gothic", NULL, | |
| 29 "VL Gothic regular"}}, | |
| 30 {{"TakaoPMincho", "IPAPMincho", "VL Gothic", "Kochi Mincho", NULL, | |
| 31 "VL Gothic regular"}}, | |
| 32 {{"TakaoMincho", "IPAMincho", "VL Gothic", "Kochi Mincho", NULL, | |
| 33 "VL Gothic regular"}}, | |
| 34 }; | |
| 35 static const FX_CHAR* const g_LinuxGbFontList[] = { | |
| 36 "AR PL UMing CN Light", "WenQuanYi Micro Hei", "AR PL UKai CN", | |
| 37 }; | |
| 38 static const FX_CHAR* const g_LinuxB5FontList[] = { | |
| 39 "AR PL UMing TW Light", "WenQuanYi Micro Hei", "AR PL UKai TW", | |
| 40 }; | |
| 41 static const FX_CHAR* const g_LinuxHGFontList[] = { | |
| 42 "UnDotum", | |
| 43 }; | |
| 44 static int32_t GetJapanesePreference(const FX_CHAR* facearr, | |
| 45 int weight, | |
| 46 int picth_family) { | |
| 47 CFX_ByteString face = facearr; | |
| 48 if (face.Find("Gothic") >= 0 || | |
| 49 face.Find("\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) { | |
| 50 if (face.Find("PGothic") >= 0 || | |
| 51 face.Find("\x82\x6f\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) { | |
| 52 return 0; | |
| 53 } | |
| 54 return 1; | |
| 55 } | |
| 56 if (face.Find("Mincho") >= 0 || face.Find("\x96\xbe\x92\xa9") >= 0) { | |
| 57 if (face.Find("PMincho") >= 0 || | |
| 58 face.Find("\x82\x6f\x96\xbe\x92\xa9") >= 0) { | |
| 59 return 2; | |
| 60 } | |
| 61 return 3; | |
| 62 } | |
| 63 if (!(picth_family & FXFONT_FF_ROMAN) && weight > 400) { | |
| 64 return 0; | |
| 65 } | |
| 66 return 2; | |
| 67 } | |
| 68 void* CFX_LinuxFontInfo::MapFont(int weight, | |
| 69 FX_BOOL bItalic, | |
| 70 int charset, | |
| 71 int pitch_family, | |
| 72 const FX_CHAR* cstr_face, | |
| 73 int& iExact) { | |
| 74 void* font = GetSubstFont(cstr_face); | |
| 75 if (font) { | |
| 76 iExact = 1; | |
| 77 return font; | |
| 78 } | |
| 79 FX_BOOL bCJK = TRUE; | |
| 80 switch (charset) { | |
| 81 case FXFONT_SHIFTJIS_CHARSET: { | |
| 82 int32_t index = GetJapanesePreference(cstr_face, weight, pitch_family); | |
| 83 if (index < 0) { | |
| 84 break; | |
| 85 } | |
| 86 for (int32_t i = 0; i < LINUX_GPNAMESIZE; i++) { | |
| 87 auto it = m_FontList.find(LinuxGpFontList[index].NameArr[i]); | |
| 88 if (it != m_FontList.end()) { | |
| 89 return it->second; | |
| 90 } | |
| 91 } | |
| 92 } break; | |
| 93 case FXFONT_GB2312_CHARSET: { | |
| 94 for (size_t i = 0; i < FX_ArraySize(g_LinuxGbFontList); ++i) { | |
| 95 auto it = m_FontList.find(g_LinuxGbFontList[i]); | |
| 96 if (it != m_FontList.end()) { | |
| 97 return it->second; | |
| 98 } | |
| 99 } | |
| 100 } break; | |
| 101 case FXFONT_CHINESEBIG5_CHARSET: { | |
| 102 for (size_t i = 0; i < FX_ArraySize(g_LinuxB5FontList); ++i) { | |
| 103 auto it = m_FontList.find(g_LinuxB5FontList[i]); | |
| 104 if (it != m_FontList.end()) { | |
| 105 return it->second; | |
| 106 } | |
| 107 } | |
| 108 } break; | |
| 109 case FXFONT_HANGEUL_CHARSET: { | |
| 110 for (size_t i = 0; i < FX_ArraySize(g_LinuxHGFontList); ++i) { | |
| 111 auto it = m_FontList.find(g_LinuxHGFontList[i]); | |
| 112 if (it != m_FontList.end()) { | |
| 113 return it->second; | |
| 114 } | |
| 115 } | |
| 116 } break; | |
| 117 default: | |
| 118 bCJK = FALSE; | |
| 119 break; | |
| 120 } | |
| 121 return FindFont(weight, bItalic, charset, pitch_family, cstr_face, !bCJK); | |
| 122 } | |
| 123 IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUserPaths) { | |
| 124 CFX_LinuxFontInfo* pInfo = new CFX_LinuxFontInfo; | |
| 125 if (!pInfo->ParseFontCfg(pUserPaths)) { | |
| 126 pInfo->AddPath("/usr/share/fonts"); | |
| 127 pInfo->AddPath("/usr/share/X11/fonts/Type1"); | |
| 128 pInfo->AddPath("/usr/share/X11/fonts/TTF"); | |
| 129 pInfo->AddPath("/usr/local/share/fonts"); | |
| 130 } | |
| 131 return pInfo; | |
| 132 } | |
| 133 FX_BOOL CFX_LinuxFontInfo::ParseFontCfg(const char** pUserPaths) { | |
| 134 if (!pUserPaths) { | |
| 135 return FALSE; | |
| 136 } | |
| 137 for (const char** pPath = pUserPaths; *pPath; ++pPath) { | |
| 138 AddPath(*pPath); | |
| 139 } | |
| 140 return TRUE; | |
| 141 } | |
| 142 void CFX_GEModule::InitPlatform() { | |
| 143 m_pFontMgr->SetSystemFontInfo( | |
| 144 IFX_SystemFontInfo::CreateDefault(m_pUserFontPaths)); | |
| 145 } | |
| 146 void CFX_GEModule::DestroyPlatform() {} | |
| 147 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ | |
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