1 files changed, 166 insertions, 0 deletions
diff --git a/core/fxge/fx_ge_linux.cpp b/core/fxge/fx_ge_linux.cpp
new file mode 100644
index 0000000000..d9fac3f54c
--- /dev/null
+++ b/core/fxge/fx_ge_linux.cpp
@@ -0,0 +1,166 @@
+// 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 <memory>
+#include <utility>
+
+#include "core/fxcrt/fx_codepage.h"
+#include "core/fxge/cfx_folderfontinfo.h"
+#include "core/fxge/cfx_gemodule.h"
+#include "core/fxge/ifx_systemfontinfo.h"
+#include "third_party/base/ptr_util.h"
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_
+namespace {
+
+const size_t kLinuxGpNameSize = 6;
+
+const char* const g_LinuxGpFontList[][kLinuxGpNameSize] = {
+    {"TakaoPGothic", "VL PGothic", "IPAPGothic", "VL Gothic", "Kochi Gothic",
+     "VL Gothic regular"},
+    {"TakaoGothic", "VL Gothic", "IPAGothic", "Kochi Gothic", nullptr,
+     "VL Gothic regular"},
+    {"TakaoPMincho", "IPAPMincho", "VL Gothic", "Kochi Mincho", nullptr,
+     "VL Gothic regular"},
+    {"TakaoMincho", "IPAMincho", "VL Gothic", "Kochi Mincho", nullptr,
+     "VL Gothic regular"},
+};
+
+const char* const g_LinuxGbFontList[] = {
+    "AR PL UMing CN Light", "WenQuanYi Micro Hei", "AR PL UKai CN",
+};
+
+const char* const g_LinuxB5FontList[] = {
+    "AR PL UMing TW Light", "WenQuanYi Micro Hei", "AR PL UKai TW",
+};
+
+const char* const g_LinuxHGFontList[] = {
+    "UnDotum",
+};
+
+size_t GetJapanesePreference(const char* facearr,
+                             int weight,
+                             int pitch_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 (!(pitch_family & FXFONT_FF_ROMAN) && weight > 400)
+    return 0;
+
+  return 2;
+}
+
+class CFX_LinuxFontInfo : public CFX_FolderFontInfo {
+ public:
+  CFX_LinuxFontInfo() {}
+  ~CFX_LinuxFontInfo() override {}
+
+  void* MapFont(int weight,
+                bool bItalic,
+                int charset,
+                int pitch_family,
+                const char* family,
+                int& iExact) override;
+  bool ParseFontCfg(const char** pUserPaths);
+};
+
+void* CFX_LinuxFontInfo::MapFont(int weight,
+                                 bool bItalic,
+                                 int charset,
+                                 int pitch_family,
+                                 const char* cstr_face,
+                                 int& iExact) {
+  void* font = GetSubstFont(cstr_face);
+  if (font) {
+    iExact = 1;
+    return font;
+  }
+  bool bCJK = true;
+  switch (charset) {
+    case FX_CHARSET_ShiftJIS: {
+      size_t index = GetJapanesePreference(cstr_face, weight, pitch_family);
+      ASSERT(index < FX_ArraySize(g_LinuxGpFontList));
+      for (size_t i = 0; i < kLinuxGpNameSize; i++) {
+        auto it = m_FontList.find(g_LinuxGpFontList[index][i]);
+        if (it != m_FontList.end())
+          return it->second.get();
+      }
+      break;
+    }
+    case FX_CHARSET_ChineseSimplified: {
+      for (size_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.get();
+      }
+      break;
+    }
+    case FX_CHARSET_ChineseTraditional: {
+      for (size_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.get();
+      }
+      break;
+    }
+    case FX_CHARSET_Hangul: {
+      for (size_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.get();
+      }
+      break;
+    }
+    default:
+      bCJK = false;
+      break;
+  }
+  return FindFont(weight, bItalic, charset, pitch_family, cstr_face, !bCJK);
+}
+
+bool CFX_LinuxFontInfo::ParseFontCfg(const char** pUserPaths) {
+  if (!pUserPaths)
+    return false;
+
+  for (const char** pPath = pUserPaths; *pPath; ++pPath)
+    AddPath(*pPath);
+  return true;
+}
+
+}  // namespace
+
+std::unique_ptr<IFX_SystemFontInfo> IFX_SystemFontInfo::CreateDefault(
+    const char** pUserPaths) {
+  auto pInfo = pdfium::MakeUnique<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 std::move(pInfo);
+}
+
+void CFX_GEModule::InitPlatform() {
+  m_pFontMgr->SetSystemFontInfo(
+      IFX_SystemFontInfo::CreateDefault(m_pUserFontPaths));
+}
+
+void CFX_GEModule::DestroyPlatform() {}
+#endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_