| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "../../../include/fxge/fx_ge.h" |
| #include "../agg/include/fx_agg_driver.h" |
| #include "text_int.h" |
| |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ |
| static const struct { |
| const FX_CHAR* m_pName; |
| const FX_CHAR* m_pSubstName; |
| } Base14Substs[] = { |
| {"Courier", "Courier New"}, |
| {"Courier-Bold", "Courier New Bold"}, |
| {"Courier-BoldOblique", "Courier New Bold Italic"}, |
| {"Courier-Oblique", "Courier New Italic"}, |
| {"Helvetica", "Arial"}, |
| {"Helvetica-Bold", "Arial Bold"}, |
| {"Helvetica-BoldOblique", "Arial Bold Italic"}, |
| {"Helvetica-Oblique", "Arial Italic"}, |
| {"Times-Roman", "Times New Roman"}, |
| {"Times-Bold", "Times New Roman Bold"}, |
| {"Times-BoldItalic", "Times New Roman Bold Italic"}, |
| {"Times-Italic", "Times New Roman Italic"}, |
| }; |
| class CFX_LinuxFontInfo : public CFX_FolderFontInfo { |
| public: |
| void* MapFont(int weight, |
| FX_BOOL bItalic, |
| int charset, |
| int pitch_family, |
| const FX_CHAR* family, |
| int& iExact) override; |
| FX_BOOL ParseFontCfg(const char** pUserPaths); |
| void* FindFont(int weight, |
| FX_BOOL bItalic, |
| int charset, |
| int pitch_family, |
| const FX_CHAR* family, |
| FX_BOOL bMatchName); |
| }; |
| #define LINUX_GPNAMESIZE 6 |
| static const struct { |
| const FX_CHAR* NameArr[LINUX_GPNAMESIZE]; |
| } LinuxGpFontList[] = { |
| {{"TakaoPGothic", "VL PGothic", "IPAPGothic", "VL Gothic", "Kochi Gothic", |
| "VL Gothic regular"}}, |
| {{"TakaoGothic", "VL Gothic", "IPAGothic", "Kochi Gothic", NULL, |
| "VL Gothic regular"}}, |
| {{"TakaoPMincho", "IPAPMincho", "VL Gothic", "Kochi Mincho", NULL, |
| "VL Gothic regular"}}, |
| {{"TakaoMincho", "IPAMincho", "VL Gothic", "Kochi Mincho", NULL, |
| "VL Gothic regular"}}, |
| }; |
| static const FX_CHAR* const g_LinuxGbFontList[] = { |
| "AR PL UMing CN Light", "WenQuanYi Micro Hei", "AR PL UKai CN", |
| }; |
| static const FX_CHAR* const g_LinuxB5FontList[] = { |
| "AR PL UMing TW Light", "WenQuanYi Micro Hei", "AR PL UKai TW", |
| }; |
| static const FX_CHAR* const g_LinuxHGFontList[] = { |
| "UnDotum", |
| }; |
| static int32_t GetJapanesePreference(const FX_CHAR* facearr, |
| int weight, |
| int picth_family) { |
| CFX_ByteString face = facearr; |
| if (face.Find("Gothic") >= 0 || |
| face.Find("\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) { |
| if (face.Find("PGothic") >= 0 || |
| face.Find("\x82\x6f\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) { |
| return 0; |
| } |
| return 1; |
| } |
| if (face.Find("Mincho") >= 0 || face.Find("\x96\xbe\x92\xa9") >= 0) { |
| if (face.Find("PMincho") >= 0 || |
| face.Find("\x82\x6f\x96\xbe\x92\xa9") >= 0) { |
| return 2; |
| } |
| return 3; |
| } |
| if (!(picth_family & FXFONT_FF_ROMAN) && weight > 400) { |
| return 0; |
| } |
| return 2; |
| } |
| void* CFX_LinuxFontInfo::MapFont(int weight, |
| FX_BOOL bItalic, |
| int charset, |
| int pitch_family, |
| const FX_CHAR* cstr_face, |
| int& iExact) { |
| CFX_ByteString face = cstr_face; |
| int iBaseFont; |
| for (iBaseFont = 0; iBaseFont < 12; iBaseFont++) |
| if (face == CFX_ByteStringC(Base14Substs[iBaseFont].m_pName)) { |
| face = Base14Substs[iBaseFont].m_pSubstName; |
| iExact = 1; |
| break; |
| } |
| if (iBaseFont < 12) { |
| return GetFont(face); |
| } |
| FX_BOOL bCJK = TRUE; |
| switch (charset) { |
| case FXFONT_SHIFTJIS_CHARSET: { |
| int32_t index = GetJapanesePreference(cstr_face, weight, pitch_family); |
| if (index < 0) { |
| break; |
| } |
| for (int32_t i = 0; i < LINUX_GPNAMESIZE; i++) { |
| auto it = m_FontList.find(LinuxGpFontList[index].NameArr[i]); |
| if (it != m_FontList.end()) { |
| return it->second; |
| } |
| } |
| } break; |
| case FXFONT_GB2312_CHARSET: { |
| for (int32_t i = 0; i < FX_ArraySize(g_LinuxGbFontList); ++i) { |
| auto it = m_FontList.find(g_LinuxGbFontList[i]); |
| if (it != m_FontList.end()) { |
| return it->second; |
| } |
| } |
| } break; |
| case FXFONT_CHINESEBIG5_CHARSET: { |
| for (int32_t i = 0; i < FX_ArraySize(g_LinuxB5FontList); ++i) { |
| auto it = m_FontList.find(g_LinuxB5FontList[i]); |
| if (it != m_FontList.end()) { |
| return it->second; |
| } |
| } |
| } break; |
| case FXFONT_HANGEUL_CHARSET: { |
| for (int32_t i = 0; i < FX_ArraySize(g_LinuxHGFontList); ++i) { |
| auto it = m_FontList.find(g_LinuxHGFontList[i]); |
| if (it != m_FontList.end()) { |
| return it->second; |
| } |
| } |
| } break; |
| default: |
| bCJK = FALSE; |
| break; |
| } |
| if (charset == FXFONT_ANSI_CHARSET && (pitch_family & FXFONT_FF_FIXEDPITCH)) { |
| return GetFont("Courier New"); |
| } |
| return FindFont(weight, bItalic, charset, pitch_family, cstr_face, !bCJK); |
| } |
| static FX_DWORD _LinuxGetCharset(int charset) { |
| switch (charset) { |
| case FXFONT_SHIFTJIS_CHARSET: |
| return CHARSET_FLAG_SHIFTJIS; |
| case FXFONT_GB2312_CHARSET: |
| return CHARSET_FLAG_GB; |
| case FXFONT_CHINESEBIG5_CHARSET: |
| return CHARSET_FLAG_BIG5; |
| case FXFONT_HANGEUL_CHARSET: |
| return CHARSET_FLAG_KOREAN; |
| case FXFONT_SYMBOL_CHARSET: |
| return CHARSET_FLAG_SYMBOL; |
| case FXFONT_ANSI_CHARSET: |
| return CHARSET_FLAG_ANSI; |
| default: |
| break; |
| } |
| return 0; |
| } |
| static int32_t _LinuxGetSimilarValue(int weight, |
| FX_BOOL bItalic, |
| int pitch_family, |
| FX_DWORD style) { |
| int32_t iSimilarValue = 0; |
| if ((style & FXFONT_BOLD) == (weight > 400)) { |
| iSimilarValue += 16; |
| } |
| if ((style & FXFONT_ITALIC) == bItalic) { |
| iSimilarValue += 16; |
| } |
| if ((style & FXFONT_SERIF) == (pitch_family & FXFONT_FF_ROMAN)) { |
| iSimilarValue += 16; |
| } |
| if ((style & FXFONT_SCRIPT) == (pitch_family & FXFONT_FF_SCRIPT)) { |
| iSimilarValue += 8; |
| } |
| if ((style & FXFONT_FIXED_PITCH) == (pitch_family & FXFONT_FF_FIXEDPITCH)) { |
| iSimilarValue += 8; |
| } |
| return iSimilarValue; |
| } |
| void* CFX_LinuxFontInfo::FindFont(int weight, |
| FX_BOOL bItalic, |
| int charset, |
| int pitch_family, |
| const FX_CHAR* family, |
| FX_BOOL bMatchName) { |
| CFX_FontFaceInfo* pFind = NULL; |
| FX_DWORD charset_flag = _LinuxGetCharset(charset); |
| int32_t iBestSimilar = 0; |
| for (const auto& it : m_FontList) { |
| const CFX_ByteString& bsName = it.first; |
| CFX_FontFaceInfo* pFont = it.second; |
| if (!(pFont->m_Charsets & charset_flag) && |
| charset != FXFONT_DEFAULT_CHARSET) { |
| continue; |
| } |
| int32_t iSimilarValue = 0; |
| int32_t index = bsName.Find(family); |
| if (bMatchName && index < 0) { |
| continue; |
| } |
| if (!bMatchName && index > 0) { |
| iSimilarValue += 64; |
| } |
| iSimilarValue = |
| _LinuxGetSimilarValue(weight, bItalic, pitch_family, pFont->m_Styles); |
| if (iSimilarValue > iBestSimilar) { |
| iBestSimilar = iSimilarValue; |
| pFind = pFont; |
| } |
| } |
| return pFind; |
| } |
| IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUserPaths) { |
| CFX_LinuxFontInfo* pInfo = new CFX_LinuxFontInfo; |
| if (!pInfo->ParseFontCfg(pUserPaths)) { |
| pInfo->AddPath("/usr/share/fonts"); |
| pInfo->AddPath("/usr/share/X11/fonts/Type1"); |
| pInfo->AddPath("/usr/share/X11/fonts/TTF"); |
| pInfo->AddPath("/usr/local/share/fonts"); |
| } |
| return pInfo; |
| } |
| FX_BOOL CFX_LinuxFontInfo::ParseFontCfg(const char** pUserPaths) { |
| if (!pUserPaths) { |
| return FALSE; |
| } |
| for (const char** pPath = pUserPaths; *pPath; ++pPath) { |
| AddPath(*pPath); |
| } |
| return TRUE; |
| } |
| void CFX_GEModule::InitPlatform() { |
| m_pFontMgr->SetSystemFontInfo( |
| IFX_SystemFontInfo::CreateDefault(m_pUserFontPaths)); |
| } |
| void CFX_GEModule::DestroyPlatform() {} |
| #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ |