Added a fallback Win32 font information class for win32k lockdown.

core/src/fxge/ge/fx_ge_linux.cpp

Index: core/src/fxge/ge/fx_ge_linux.cpp
diff --git a/core/src/fxge/ge/fx_ge_linux.cpp b/core/src/fxge/ge/fx_ge_linux.cpp
index 065fd124bba0ddffd9af7771451aef5544fc8df6..02e6cfade50ac3381a36e8c4979e02548e76b852 100644
--- a/core/src/fxge/ge/fx_ge_linux.cpp
+++ b/core/src/fxge/ge/fx_ge_linux.cpp
@@ -35,12 +35,6 @@ class CFX_LinuxFontInfo : public CFX_FolderFontInfo {
                 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 {
@@ -94,16 +88,10 @@ void* CFX_LinuxFontInfo::MapFont(int weight,
                                  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);
+  void* font = GetSubstFont(cstr_face);
+  if (font) {
+    iExact = 1;
+    return font;
   }
   FX_BOOL bCJK = TRUE;
   switch (charset) {
@@ -147,85 +135,8 @@ void* CFX_LinuxFontInfo::MapFont(int weight,
       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)) {