clang-format all pdfium code.

core/src/fxge/android/fpf_skiafontmgr.cpp

 // 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 "fx_fpf.h"
 #if _FX_OS_ == _FX_ANDROID_
-#define FPF_SKIAMATCHWEIGHT_NAME1       62
-#define FPF_SKIAMATCHWEIGHT_NAME2       60
-#define FPF_SKIAMATCHWEIGHT_1           16
-#define FPF_SKIAMATCHWEIGHT_2           8
+#define FPF_SKIAMATCHWEIGHT_NAME1 62
+#define FPF_SKIAMATCHWEIGHT_NAME2 60
+#define FPF_SKIAMATCHWEIGHT_1 16
+#define FPF_SKIAMATCHWEIGHT_2 8
 #include "fpf_skiafontmgr.h"
 #include "fpf_skiafont.h"
 #ifdef __cplusplus
 extern "C" {
 #endif
-static unsigned long FPF_SkiaStream_Read(FXFT_Stream stream, unsigned long offset, unsigned char* buffer, unsigned long count)
-{
-    IFX_FileRead *pFileRead = (IFX_FileRead*)stream->descriptor.pointer;
-    if (!pFileRead) {
-        return 0;
-    }
-    if (count > 0) {
-        if (pFileRead->ReadBlock(buffer, (FX_FILESIZE)offset, (size_t)count) != count) {
-            return 0;
-        }
-    }
-    return count;
-}
-static void FPF_SkiaStream_Close(FXFT_Stream stream)
-{
-}
+static unsigned long FPF_SkiaStream_Read(FXFT_Stream stream,
+                                         unsigned long offset,
+                                         unsigned char* buffer,
+                                         unsigned long count) {
+  IFX_FileRead* pFileRead = (IFX_FileRead*)stream->descriptor.pointer;
+  if (!pFileRead) {
+    return 0;
+  }
+  if (count > 0) {
+    if (pFileRead->ReadBlock(buffer, (FX_FILESIZE)offset, (size_t)count) !=
+        count) {
+      return 0;
+    }
+  }
+  return count;
+}
+static void FPF_SkiaStream_Close(FXFT_Stream stream) {}
 #ifdef __cplusplus
 };
 #endif
 typedef struct _FPF_SKIAFONTMAP {
-    FX_DWORD    dwFamily;
-    FX_DWORD    dwSubSt;
+  FX_DWORD dwFamily;
+  FX_DWORD dwSubSt;
 } FPF_SKIAFONTMAP, *FPF_LPSKIAFONTMAP;
-typedef FPF_SKIAFONTMAP const * FPF_LPCSKIAFONTMAP;
+typedef FPF_SKIAFONTMAP const* FPF_LPCSKIAFONTMAP;
 static const FPF_SKIAFONTMAP g_SkiaFontmap[] = {
-    {0x58c5083,         0xc8d2e345},
-    {0x5dfade2,         0xe1633081},
-    {0x684317d,         0xe1633081},
-    {0x14ee2d13,        0xc8d2e345},
-    {0x3918fe2d,        0xbbeeec72},
-    {0x3b98b31c,        0xe1633081},
-    {0x3d49f40e,        0xe1633081},
-    {0x432c41c5,        0xe1633081},
-    {0x491b6ad0,        0xe1633081},
-    {0x5612cab1,        0x59b9f8f1},
-    {0x779ce19d,        0xc8d2e345},
-    {0x7cc9510b,        0x59b9f8f1},
-    {0x83746053,        0xbbeeec72},
-    {0xaaa60c03,        0xbbeeec72},
-    {0xbf85ff26,        0xe1633081},
-    {0xc04fe601,        0xbbeeec72},
-    {0xca3812d5,        0x59b9f8f1},
-    {0xca383e15,        0x59b9f8f1},
-    {0xcad5eaf6,        0x59b9f8f1},
-    {0xcb7a04c8,        0xc8d2e345},
-    {0xfb4ce0de,        0xe1633081},
+    {0x58c5083, 0xc8d2e345},  {0x5dfade2, 0xe1633081},
+    {0x684317d, 0xe1633081},  {0x14ee2d13, 0xc8d2e345},
+    {0x3918fe2d, 0xbbeeec72}, {0x3b98b31c, 0xe1633081},
+    {0x3d49f40e, 0xe1633081}, {0x432c41c5, 0xe1633081},
+    {0x491b6ad0, 0xe1633081}, {0x5612cab1, 0x59b9f8f1},
+    {0x779ce19d, 0xc8d2e345}, {0x7cc9510b, 0x59b9f8f1},
+    {0x83746053, 0xbbeeec72}, {0xaaa60c03, 0xbbeeec72},
+    {0xbf85ff26, 0xe1633081}, {0xc04fe601, 0xbbeeec72},
+    {0xca3812d5, 0x59b9f8f1}, {0xca383e15, 0x59b9f8f1},
+    {0xcad5eaf6, 0x59b9f8f1}, {0xcb7a04c8, 0xc8d2e345},
+    {0xfb4ce0de, 0xe1633081},
 };
-FX_DWORD FPF_SkiaGetSubstFont(FX_DWORD dwHash)
-{
-    int32_t iStart = 0;
-    int32_t iEnd = sizeof(g_SkiaFontmap) / sizeof(FPF_SKIAFONTMAP);
-    while (iStart <= iEnd) {
-        int32_t iMid = (iStart + iEnd) / 2;
-        FPF_LPCSKIAFONTMAP pItem = &g_SkiaFontmap[iMid];
-        if (dwHash < pItem->dwFamily) {
-            iEnd = iMid - 1;
-        } else if (dwHash > pItem->dwFamily) {
-            iStart = iMid + 1;
-        } else {
-            return pItem->dwSubSt;
-        }
-    }
+FX_DWORD FPF_SkiaGetSubstFont(FX_DWORD dwHash) {
+  int32_t iStart = 0;
+  int32_t iEnd = sizeof(g_SkiaFontmap) / sizeof(FPF_SKIAFONTMAP);
+  while (iStart <= iEnd) {
+    int32_t iMid = (iStart + iEnd) / 2;
+    FPF_LPCSKIAFONTMAP pItem = &g_SkiaFontmap[iMid];
+    if (dwHash < pItem->dwFamily) {
+      iEnd = iMid - 1;
+    } else if (dwHash > pItem->dwFamily) {
+      iStart = iMid + 1;
+    } else {
+      return pItem->dwSubSt;
+    }
+  }
+  return 0;
+}
+static const FPF_SKIAFONTMAP g_SkiaSansFontMap[] = {
+    {0x58c5083, 0xd5b8d10f},  {0x14ee2d13, 0xd5b8d10f},
+    {0x779ce19d, 0xd5b8d10f}, {0xcb7a04c8, 0xd5b8d10f},
+    {0xfb4ce0de, 0xd5b8d10f},
+};
+FX_DWORD FPF_SkiaGetSansFont(FX_DWORD dwHash) {
+  int32_t iStart = 0;
+  int32_t iEnd = sizeof(g_SkiaSansFontMap) / sizeof(FPF_SKIAFONTMAP);
+  while (iStart <= iEnd) {
+    int32_t iMid = (iStart + iEnd) / 2;
+    FPF_LPCSKIAFONTMAP pItem = &g_SkiaSansFontMap[iMid];
+    if (dwHash < pItem->dwFamily) {
+      iEnd = iMid - 1;
+    } else if (dwHash > pItem->dwFamily) {
+      iStart = iMid + 1;
+    } else {
+      return pItem->dwSubSt;
+    }
+  }
+  return 0;
+}
+static uint32_t FPF_GetHashCode_StringA(const FX_CHAR* pStr,
+                                        int32_t iLength,
+                                        FX_BOOL bIgnoreCase = FALSE) {
+  if (!pStr) {
     return 0;
-}
-static const FPF_SKIAFONTMAP g_SkiaSansFontMap[] = {
-    {0x58c5083,         0xd5b8d10f},
-    {0x14ee2d13,        0xd5b8d10f},
-    {0x779ce19d,        0xd5b8d10f},
-    {0xcb7a04c8,        0xd5b8d10f},
-    {0xfb4ce0de,        0xd5b8d10f},
+  }
+  if (iLength < 0) {
+    iLength = FXSYS_strlen(pStr);
+  }
+  const FX_CHAR* pStrEnd = pStr + iLength;
+  uint32_t uHashCode = 0;
+  if (bIgnoreCase) {
+    while (pStr < pStrEnd) {
+      uHashCode = 31 * uHashCode + FXSYS_tolower(*pStr++);
+    }
+  } else {
+    while (pStr < pStrEnd) {
+      uHashCode = 31 * uHashCode + *pStr++;
+    }
+  }
+  return uHashCode;
+}
+enum FPF_SKIACHARSET {
+  FPF_SKIACHARSET_Ansi = 1 << 0,
+  FPF_SKIACHARSET_Default = 1 << 1,
+  FPF_SKIACHARSET_Symbol = 1 << 2,
+  FPF_SKIACHARSET_ShiftJIS = 1 << 3,
+  FPF_SKIACHARSET_Korean = 1 << 4,
+  FPF_SKIACHARSET_Johab = 1 << 5,
+  FPF_SKIACHARSET_GB2312 = 1 << 6,
+  FPF_SKIACHARSET_BIG5 = 1 << 7,
+  FPF_SKIACHARSET_Greek = 1 << 8,
+  FPF_SKIACHARSET_Turkish = 1 << 9,
+  FPF_SKIACHARSET_Vietnamese = 1 << 10,
+  FPF_SKIACHARSET_Hebrew = 1 << 11,
+  FPF_SKIACHARSET_Arabic = 1 << 12,
+  FPF_SKIACHARSET_Baltic = 1 << 13,
+  FPF_SKIACHARSET_Cyrillic = 1 << 14,
+  FPF_SKIACHARSET_Thai = 1 << 15,
+  FPF_SKIACHARSET_EeasternEuropean = 1 << 16,
+  FPF_SKIACHARSET_PC = 1 << 17,
+  FPF_SKIACHARSET_OEM = 1 << 18,
 };
-FX_DWORD FPF_SkiaGetSansFont(FX_DWORD dwHash)
-{
-    int32_t iStart = 0;
-    int32_t iEnd = sizeof(g_SkiaSansFontMap) / sizeof(FPF_SKIAFONTMAP);
-    while (iStart <= iEnd) {
-        int32_t iMid = (iStart + iEnd) / 2;
-        FPF_LPCSKIAFONTMAP pItem = &g_SkiaSansFontMap[iMid];
-        if (dwHash < pItem->dwFamily) {
-            iEnd = iMid - 1;
-        } else if (dwHash > pItem->dwFamily) {
-            iStart = iMid + 1;
-        } else {
-            return pItem->dwSubSt;
-        }
-    }
-    return 0;
-}
-static uint32_t FPF_GetHashCode_StringA(const FX_CHAR* pStr, int32_t iLength, FX_BOOL bIgnoreCase = FALSE)
-{
-    if (!pStr) {
-        return 0;
-    }
-    if (iLength < 0) {
-        iLength = FXSYS_strlen(pStr);
-    }
-    const FX_CHAR* pStrEnd = pStr + iLength;
-    uint32_t uHashCode = 0;
-    if (bIgnoreCase) {
-        while (pStr < pStrEnd) {
-            uHashCode = 31 * uHashCode + FXSYS_tolower(*pStr++);
-        }
+static FX_DWORD FPF_SkiaGetCharset(uint8_t uCharset) {
+  switch (uCharset) {
+    case FXFONT_ANSI_CHARSET:
+      return FPF_SKIACHARSET_Ansi;
+    case FXFONT_DEFAULT_CHARSET:
+      return FPF_SKIACHARSET_Default;
+    case FXFONT_SYMBOL_CHARSET:
+      return FPF_SKIACHARSET_Symbol;
+    case FXFONT_SHIFTJIS_CHARSET:
+      return FPF_SKIACHARSET_ShiftJIS;
+    case FXFONT_HANGEUL_CHARSET:
+      return FPF_SKIACHARSET_Korean;
+    case FXFONT_GB2312_CHARSET:
+      return FPF_SKIACHARSET_GB2312;
+    case FXFONT_CHINESEBIG5_CHARSET:
+      return FPF_SKIACHARSET_BIG5;
+    case FXFONT_GREEK_CHARSET:
+      return FPF_SKIACHARSET_Greek;
+    case FXFONT_TURKISH_CHARSET:
+      return FPF_SKIACHARSET_Turkish;
+    case FXFONT_HEBREW_CHARSET:
+      return FPF_SKIACHARSET_Hebrew;
+    case FXFONT_ARABIC_CHARSET:
+      return FPF_SKIACHARSET_Arabic;
+    case FXFONT_BALTIC_CHARSET:
+      return FPF_SKIACHARSET_Baltic;
+    case FXFONT_RUSSIAN_CHARSET:
+      return FPF_SKIACHARSET_Cyrillic;
+    case FXFONT_THAI_CHARSET:
+      return FPF_SKIACHARSET_Thai;
+    case FXFONT_EASTEUROPE_CHARSET:
+      return FPF_SKIACHARSET_EeasternEuropean;
+  }
+  return FPF_SKIACHARSET_Default;
+}
+static FX_DWORD FPF_SKIANormalizeFontName(const CFX_ByteStringC& bsfamily) {
+  FX_DWORD dwHash = 0;
+  int32_t iLength = bsfamily.GetLength();
+  const FX_CHAR* pBuffer = bsfamily.GetCStr();
+  for (int32_t i = 0; i < iLength; i++) {
+    FX_CHAR ch = pBuffer[i];
+    if (ch == ' ' || ch == '-' || ch == ',') {
+      continue;
+    }
+    dwHash = 31 * dwHash + FXSYS_tolower(ch);
+  }
+  return dwHash;
+}
+static FX_DWORD FPF_SKIAGetFamilyHash(const CFX_ByteStringC& bsFamily,
+                                      FX_DWORD dwStyle,
+                                      uint8_t uCharset) {
+  CFX_ByteString bsFont(bsFamily);
+  if (dwStyle & FXFONT_BOLD) {
+    bsFont += "Bold";
+  }
+  if (dwStyle & FXFONT_ITALIC) {
+    bsFont += "Italic";
+  }
+  if (dwStyle & FXFONT_SERIF) {
+    bsFont += "Serif";
+  }
+  bsFont += uCharset;
+  return FPF_GetHashCode_StringA(bsFont.c_str(), bsFont.GetLength(), TRUE);
+}
+static FX_BOOL FPF_SkiaIsCJK(uint8_t uCharset) {
+  return (uCharset == FXFONT_GB2312_CHARSET) ||
+         (uCharset == FXFONT_CHINESEBIG5_CHARSET) ||
+         (uCharset == FXFONT_HANGEUL_CHARSET) ||
+         (uCharset == FXFONT_SHIFTJIS_CHARSET);
+}
+static FX_BOOL FPF_SkiaMaybeSymbol(const CFX_ByteStringC& bsFacename) {
+  CFX_ByteString bsName = bsFacename;
+  bsName.MakeLower();
+  return bsName.Find("symbol") > -1;
+}
+static FX_BOOL FPF_SkiaMaybeArabic(const CFX_ByteStringC& bsFacename) {
+  CFX_ByteString bsName = bsFacename;
+  bsName.MakeLower();
+  return bsName.Find("arabic") > -1;
+}
+CFPF_SkiaFontMgr::CFPF_SkiaFontMgr() : m_bLoaded(FALSE), m_FTLibrary(NULL) {}
+CFPF_SkiaFontMgr::~CFPF_SkiaFontMgr() {
+  void* pkey = NULL;
+  CFPF_SkiaFont* pValue = NULL;
+  FX_POSITION pos = m_FamilyFonts.GetStartPosition();
+  while (pos) {
+    m_FamilyFonts.GetNextAssoc(pos, pkey, (void*&)pValue);
+    if (pValue) {
+      pValue->Release();
+    }
+  }
+  m_FamilyFonts.RemoveAll();
+  for (int32_t i = m_FontFaces.GetUpperBound(); i >= 0; i--) {
+    CFPF_SkiaFontDescriptor* pFont =
+        (CFPF_SkiaFontDescriptor*)m_FontFaces.ElementAt(i);
+    delete pFont;
+  }
+  m_FontFaces.RemoveAll();
+  if (m_FTLibrary) {
+    FXFT_Done_FreeType(m_FTLibrary);
+  }
+}
+FX_BOOL CFPF_SkiaFontMgr::InitFTLibrary() {
+  if (m_FTLibrary == NULL) {
+    FXFT_Init_FreeType(&m_FTLibrary);
+  }
+  return m_FTLibrary != NULL;
+}
+void CFPF_SkiaFontMgr::LoadSystemFonts() {
+  if (m_bLoaded) {
+    return;
+  }
+  ScanPath(FX_BSTRC("/system/fonts"));
+  OutputSystemFonts();
+  m_bLoaded = TRUE;
+}
+void CFPF_SkiaFontMgr::LoadPrivateFont(IFX_FileRead* pFontFile) {}
+void CFPF_SkiaFontMgr::LoadPrivateFont(const CFX_ByteStringC& bsFileName) {}
+void CFPF_SkiaFontMgr::LoadPrivateFont(void* pBuffer, size_t szBuffer) {}
+IFPF_Font* CFPF_SkiaFontMgr::CreateFont(const CFX_ByteStringC& bsFamilyname,
+                                        uint8_t uCharset,
+                                        FX_DWORD dwStyle,
+                                        FX_DWORD dwMatch) {
+  FX_DWORD dwHash = FPF_SKIAGetFamilyHash(bsFamilyname, dwStyle, uCharset);
+  IFPF_Font* pFont = NULL;
+  if (m_FamilyFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont)) {
+    if (pFont) {
+      return pFont->Retain();
+    }
+  }
+  FX_DWORD dwFaceName = FPF_SKIANormalizeFontName(bsFamilyname);
+  FX_DWORD dwSubst = FPF_SkiaGetSubstFont(dwFaceName);
+  FX_DWORD dwSubstSans = FPF_SkiaGetSansFont(dwFaceName);
+  FX_BOOL bMaybeSymbol = FPF_SkiaMaybeSymbol(bsFamilyname);
+  if (uCharset != FXFONT_ARABIC_CHARSET && FPF_SkiaMaybeArabic(bsFamilyname)) {
+    uCharset = FXFONT_ARABIC_CHARSET;
+  } else if (uCharset == FXFONT_ANSI_CHARSET &&
+             (dwMatch & FPF_MATCHFONT_REPLACEANSI)) {
+    uCharset = FXFONT_DEFAULT_CHARSET;
+  }
+  int32_t nExpectVal = FPF_SKIAMATCHWEIGHT_NAME1 + FPF_SKIAMATCHWEIGHT_1 * 3 +
+                       FPF_SKIAMATCHWEIGHT_2 * 2;
+  int32_t nItem = -1;
+  int32_t nMax = -1;
+  int32_t nGlyphNum = 0;
+  for (int32_t i = m_FontFaces.GetUpperBound(); i >= 0; i--) {
+    CFPF_SkiaPathFont* pFontDes = (CFPF_SkiaPathFont*)m_FontFaces.ElementAt(i);
+    if (!(pFontDes->m_dwCharsets & FPF_SkiaGetCharset(uCharset))) {
+      continue;
+    }
+    int32_t nFind = 0;
+    FX_DWORD dwSysFontName = FPF_SKIANormalizeFontName(pFontDes->m_pFamily);
+    if (dwFaceName == dwSysFontName) {
+      nFind += FPF_SKIAMATCHWEIGHT_NAME1;
+    }
+    FX_BOOL bMatchedName = (nFind == FPF_SKIAMATCHWEIGHT_NAME1);
+    if ((dwStyle & FXFONT_BOLD) == (pFontDes->m_dwStyle & FXFONT_BOLD)) {
+      nFind += FPF_SKIAMATCHWEIGHT_1;
+    }
+    if ((dwStyle & FXFONT_ITALIC) == (pFontDes->m_dwStyle & FXFONT_ITALIC)) {
+      nFind += FPF_SKIAMATCHWEIGHT_1;
+    }
+    if ((dwStyle & FXFONT_FIXED_PITCH) ==
+        (pFontDes->m_dwStyle & FXFONT_FIXED_PITCH)) {
+      nFind += FPF_SKIAMATCHWEIGHT_2;
+    }
+    if ((dwStyle & FXFONT_SERIF) == (pFontDes->m_dwStyle & FXFONT_SERIF)) {
+      nFind += FPF_SKIAMATCHWEIGHT_1;
+    }
+    if ((dwStyle & FXFONT_SCRIPT) == (pFontDes->m_dwStyle & FXFONT_SCRIPT)) {
+      nFind += FPF_SKIAMATCHWEIGHT_2;
+    }
+    if (dwSubst == dwSysFontName || dwSubstSans == dwSysFontName) {
+      nFind += FPF_SKIAMATCHWEIGHT_NAME2;
+      bMatchedName = TRUE;
+    }
+    if (uCharset == FXFONT_DEFAULT_CHARSET || bMaybeSymbol) {
+      if (nFind > nMax && bMatchedName) {
+        nMax = nFind;
+        nItem = i;
+      }
+    } else if (FPF_SkiaIsCJK(uCharset)) {
+      if (bMatchedName || pFontDes->m_iGlyphNum > nGlyphNum) {
+        nItem = i;
+        nGlyphNum = pFontDes->m_iGlyphNum;
+      }
+    } else if (nFind > nMax) {
+      nMax = nFind;
+      nItem = i;
+    }
+    if (nExpectVal <= nFind) {
+      nItem = i;
+      break;
+    }
+  }
+  if (nItem > -1) {
+    CFPF_SkiaFontDescriptor* pFontDes =
+        (CFPF_SkiaFontDescriptor*)m_FontFaces.ElementAt(nItem);
+    CFPF_SkiaFont* pFont = new CFPF_SkiaFont;
+    if (pFont->InitFont(this, pFontDes, bsFamilyname, dwStyle, uCharset)) {
+      m_FamilyFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
+      return pFont->Retain();
+    }
+    pFont->Release();
+  }
+  return NULL;
+}
+FXFT_Face CFPF_SkiaFontMgr::GetFontFace(IFX_FileRead* pFileRead,
+                                        int32_t iFaceIndex) {
+  if (!pFileRead) {
+    return NULL;
+  }
+  if (pFileRead->GetSize() == 0) {
+    return NULL;
+  }
+  if (iFaceIndex < 0) {
+    return NULL;
+  }
+  FXFT_StreamRec streamRec;
+  FXSYS_memset(&streamRec, 0, sizeof(FXFT_StreamRec));
+  streamRec.size = pFileRead->GetSize();
+  streamRec.descriptor.pointer = pFileRead;
+  streamRec.read = FPF_SkiaStream_Read;
+  streamRec.close = FPF_SkiaStream_Close;
+  FXFT_Open_Args args;
+  args.flags = FT_OPEN_STREAM;
+  args.stream = &streamRec;
+  FXFT_Face face;
+  if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
+    return NULL;
+  }
+  FXFT_Set_Pixel_Sizes(face, 0, 64);
+  return face;
+}
+FXFT_Face CFPF_SkiaFontMgr::GetFontFace(const CFX_ByteStringC& bsFile,
+                                        int32_t iFaceIndex) {
+  if (bsFile.IsEmpty()) {
+    return NULL;
+  }
+  if (iFaceIndex < 0) {
+    return NULL;
+  }
+  FXFT_Open_Args args;
+  args.flags = FT_OPEN_PATHNAME;
+  args.pathname = (FT_String*)bsFile.GetCStr();
+  FXFT_Face face;
+  if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
+    return FALSE;
+  }
+  FXFT_Set_Pixel_Sizes(face, 0, 64);
+  return face;
+}
+FXFT_Face CFPF_SkiaFontMgr::GetFontFace(const uint8_t* pBuffer,
+                                        size_t szBuffer,
+                                        int32_t iFaceIndex) {
+  if (!pBuffer || szBuffer < 1) {
+    return NULL;
+  }
+  if (iFaceIndex < 0) {
+    return NULL;
+  }
+  FXFT_Open_Args args;
+  args.flags = FT_OPEN_MEMORY;
+  args.memory_base = pBuffer;
+  args.memory_size = szBuffer;
+  FXFT_Face face;
+  if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
+    return FALSE;
+  }
+  FXFT_Set_Pixel_Sizes(face, 0, 64);
+  return face;
+}
+void CFPF_SkiaFontMgr::ScanPath(const CFX_ByteStringC& path) {
+  void* handle = FX_OpenFolder(path.GetCStr());
+  if (!handle) {
+    return;
+  }
+  CFX_ByteString filename;
+  FX_BOOL bFolder = FALSE;
+  while (FX_GetNextFile(handle, filename, bFolder)) {
+    if (bFolder) {
+      if (filename == FX_BSTRC(".") || filename == FX_BSTRC("..")) {
+        continue;
+      }
     } else {
-        while (pStr < pStrEnd) {
-            uHashCode = 31 * uHashCode + *pStr ++;
-        }
-    }
-    return uHashCode;
-}
-enum FPF_SKIACHARSET {
-    FPF_SKIACHARSET_Ansi                        = 1 << 0,
-    FPF_SKIACHARSET_Default                     = 1 << 1,
-    FPF_SKIACHARSET_Symbol                      = 1 << 2,
-    FPF_SKIACHARSET_ShiftJIS            = 1 << 3,
-    FPF_SKIACHARSET_Korean                      = 1 << 4,
-    FPF_SKIACHARSET_Johab                       = 1 << 5,
-    FPF_SKIACHARSET_GB2312                      = 1 << 6,
-    FPF_SKIACHARSET_BIG5                        = 1 << 7,
-    FPF_SKIACHARSET_Greek                       = 1 << 8,
-    FPF_SKIACHARSET_Turkish                     = 1 << 9,
-    FPF_SKIACHARSET_Vietnamese          = 1 << 10,
-    FPF_SKIACHARSET_Hebrew                      = 1 << 11,
-    FPF_SKIACHARSET_Arabic                      = 1 << 12,
-    FPF_SKIACHARSET_Baltic                      = 1 << 13,
-    FPF_SKIACHARSET_Cyrillic            = 1 << 14,
-    FPF_SKIACHARSET_Thai                        = 1 << 15,
-    FPF_SKIACHARSET_EeasternEuropean = 1 << 16,
-    FPF_SKIACHARSET_PC                          = 1 << 17,
-    FPF_SKIACHARSET_OEM                         = 1 << 18,
-};
-static FX_DWORD FPF_SkiaGetCharset(uint8_t uCharset)
-{
-    switch (uCharset) {
-        case FXFONT_ANSI_CHARSET:
-            return FPF_SKIACHARSET_Ansi;
-        case FXFONT_DEFAULT_CHARSET:
-            return FPF_SKIACHARSET_Default;
-        case FXFONT_SYMBOL_CHARSET:
-            return FPF_SKIACHARSET_Symbol;
-        case FXFONT_SHIFTJIS_CHARSET:
-            return FPF_SKIACHARSET_ShiftJIS;
-        case FXFONT_HANGEUL_CHARSET:
-            return FPF_SKIACHARSET_Korean;
-        case FXFONT_GB2312_CHARSET:
-            return FPF_SKIACHARSET_GB2312;
-        case FXFONT_CHINESEBIG5_CHARSET:
-            return FPF_SKIACHARSET_BIG5;
-        case FXFONT_GREEK_CHARSET:
-            return FPF_SKIACHARSET_Greek;
-        case FXFONT_TURKISH_CHARSET:
-            return FPF_SKIACHARSET_Turkish;
-        case FXFONT_HEBREW_CHARSET:
-            return FPF_SKIACHARSET_Hebrew;
-        case FXFONT_ARABIC_CHARSET:
-            return FPF_SKIACHARSET_Arabic;
-        case FXFONT_BALTIC_CHARSET:
-            return FPF_SKIACHARSET_Baltic;
-        case FXFONT_RUSSIAN_CHARSET:
-            return FPF_SKIACHARSET_Cyrillic;
-        case FXFONT_THAI_CHARSET:
-            return FPF_SKIACHARSET_Thai;
-        case FXFONT_EASTEUROPE_CHARSET:
-            return FPF_SKIACHARSET_EeasternEuropean;
-    }
-    return FPF_SKIACHARSET_Default;
-}
-static FX_DWORD FPF_SKIANormalizeFontName(const CFX_ByteStringC& bsfamily)
-{
-    FX_DWORD dwHash = 0;
-    int32_t iLength = bsfamily.GetLength();
-    const FX_CHAR* pBuffer = bsfamily.GetCStr();
-    for (int32_t i = 0; i < iLength; i++) {
-        FX_CHAR ch = pBuffer[i];
-        if (ch == ' ' || ch == '-' || ch == ',') {
-            continue;
-        }
-        dwHash = 31 * dwHash + FXSYS_tolower(ch);
-    }
-    return dwHash;
-}
-static FX_DWORD FPF_SKIAGetFamilyHash(const CFX_ByteStringC& bsFamily, FX_DWORD dwStyle, uint8_t uCharset)
-{
-    CFX_ByteString bsFont(bsFamily);
-    if (dwStyle & FXFONT_BOLD) {
-        bsFont += "Bold";
-    }
-    if (dwStyle & FXFONT_ITALIC) {
-        bsFont += "Italic";
-    }
-    if (dwStyle & FXFONT_SERIF) {
-        bsFont += "Serif";
-    }
-    bsFont += uCharset;
-    return FPF_GetHashCode_StringA(bsFont.c_str(), bsFont.GetLength(), TRUE);
-}
-static FX_BOOL FPF_SkiaIsCJK(uint8_t uCharset)
-{
-    return (uCharset == FXFONT_GB2312_CHARSET) || (uCharset == FXFONT_CHINESEBIG5_CHARSET)
-           || (uCharset == FXFONT_HANGEUL_CHARSET) || (uCharset == FXFONT_SHIFTJIS_CHARSET);
-}
-static FX_BOOL FPF_SkiaMaybeSymbol(const CFX_ByteStringC& bsFacename)
-{
-    CFX_ByteString bsName = bsFacename;
-    bsName.MakeLower();
-    return bsName.Find("symbol") > -1;
-}
-static FX_BOOL FPF_SkiaMaybeArabic(const CFX_ByteStringC& bsFacename)
-{
-    CFX_ByteString bsName = bsFacename;
-    bsName.MakeLower();
-    return bsName.Find("arabic") > -1;
-}
-CFPF_SkiaFontMgr::CFPF_SkiaFontMgr()
-    : m_bLoaded(FALSE), m_FTLibrary(NULL)
-{
-}
-CFPF_SkiaFontMgr::~CFPF_SkiaFontMgr()
-{
-    void *pkey = NULL;
-    CFPF_SkiaFont *pValue = NULL;
-    FX_POSITION pos = m_FamilyFonts.GetStartPosition();
-    while (pos) {
-        m_FamilyFonts.GetNextAssoc(pos, pkey, (void*&)pValue);
-        if (pValue) {
-            pValue->Release();
-        }
-    }
-    m_FamilyFonts.RemoveAll();
-    for (int32_t i = m_FontFaces.GetUpperBound(); i >= 0; i--) {
-        CFPF_SkiaFontDescriptor *pFont = (CFPF_SkiaFontDescriptor*)m_FontFaces.ElementAt(i);
-        delete pFont;
-    }
-    m_FontFaces.RemoveAll();
-    if (m_FTLibrary) {
-        FXFT_Done_FreeType(m_FTLibrary);
-    }
-}
-FX_BOOL CFPF_SkiaFontMgr::InitFTLibrary()
-{
-    if (m_FTLibrary == NULL) {
-        FXFT_Init_FreeType(&m_FTLibrary);
-    }
-    return m_FTLibrary != NULL;
-}
-void CFPF_SkiaFontMgr::LoadSystemFonts()
-{
-    if (m_bLoaded) {
-        return;
-    }
-    ScanPath(FX_BSTRC("/system/fonts"));
-    OutputSystemFonts();
-    m_bLoaded = TRUE;
-}
-void CFPF_SkiaFontMgr::LoadPrivateFont(IFX_FileRead* pFontFile)
-{
-}
-void CFPF_SkiaFontMgr::LoadPrivateFont(const CFX_ByteStringC& bsFileName)
-{
-}
-void CFPF_SkiaFontMgr::LoadPrivateFont(void* pBuffer, size_t szBuffer)
-{
-}
-IFPF_Font* CFPF_SkiaFontMgr::CreateFont(const CFX_ByteStringC& bsFamilyname, uint8_t uCharset, FX_DWORD dwStyle, FX_DWORD dwMatch)
-{
-    FX_DWORD dwHash = FPF_SKIAGetFamilyHash(bsFamilyname, dwStyle, uCharset);
-    IFPF_Font *pFont = NULL;
-    if (m_FamilyFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont)) {
-        if (pFont) {
-            return pFont->Retain();
-        }
-    }
-    FX_DWORD dwFaceName = FPF_SKIANormalizeFontName(bsFamilyname);
-    FX_DWORD dwSubst = FPF_SkiaGetSubstFont(dwFaceName);
-    FX_DWORD dwSubstSans = FPF_SkiaGetSansFont(dwFaceName);
-    FX_BOOL bMaybeSymbol = FPF_SkiaMaybeSymbol(bsFamilyname);
-    if (uCharset != FXFONT_ARABIC_CHARSET && FPF_SkiaMaybeArabic(bsFamilyname)) {
-        uCharset = FXFONT_ARABIC_CHARSET;
-    } else if (uCharset == FXFONT_ANSI_CHARSET && (dwMatch & FPF_MATCHFONT_REPLACEANSI)) {
-        uCharset = FXFONT_DEFAULT_CHARSET;
-    }
-    int32_t nExpectVal = FPF_SKIAMATCHWEIGHT_NAME1 + FPF_SKIAMATCHWEIGHT_1 * 3 + FPF_SKIAMATCHWEIGHT_2 * 2;
-    int32_t nItem = -1;
-    int32_t nMax = -1;
-    int32_t nGlyphNum = 0;
-    for (int32_t i = m_FontFaces.GetUpperBound(); i >= 0; i--) {
-        CFPF_SkiaPathFont *pFontDes = (CFPF_SkiaPathFont*)m_FontFaces.ElementAt(i);
-        if(!(pFontDes->m_dwCharsets & FPF_SkiaGetCharset(uCharset))) {
-            continue;
-        }
-        int32_t nFind = 0;
-        FX_DWORD dwSysFontName = FPF_SKIANormalizeFontName(pFontDes->m_pFamily);
-        if (dwFaceName == dwSysFontName) {
-            nFind += FPF_SKIAMATCHWEIGHT_NAME1;
-        }
-        FX_BOOL bMatchedName = (nFind == FPF_SKIAMATCHWEIGHT_NAME1);
-        if ((dwStyle & FXFONT_BOLD) == (pFontDes->m_dwStyle & FXFONT_BOLD)) {
-            nFind += FPF_SKIAMATCHWEIGHT_1;
-        }
-        if ((dwStyle & FXFONT_ITALIC) == (pFontDes->m_dwStyle & FXFONT_ITALIC)) {
-            nFind += FPF_SKIAMATCHWEIGHT_1;
-        }
-        if ((dwStyle & FXFONT_FIXED_PITCH) == (pFontDes->m_dwStyle & FXFONT_FIXED_PITCH)) {
-            nFind += FPF_SKIAMATCHWEIGHT_2;
-        }
-        if ((dwStyle & FXFONT_SERIF) == (pFontDes->m_dwStyle & FXFONT_SERIF)) {
-            nFind += FPF_SKIAMATCHWEIGHT_1;
-        }
-        if ((dwStyle & FXFONT_SCRIPT) == (pFontDes->m_dwStyle & FXFONT_SCRIPT)) {
-            nFind += FPF_SKIAMATCHWEIGHT_2;
-        }
-        if (dwSubst == dwSysFontName || dwSubstSans == dwSysFontName) {
-            nFind += FPF_SKIAMATCHWEIGHT_NAME2;
-            bMatchedName = TRUE;
-        }
-        if (uCharset == FXFONT_DEFAULT_CHARSET || bMaybeSymbol) {
-            if (nFind > nMax && bMatchedName) {
-                nMax = nFind;
-                nItem = i;
-            }
-        } else if (FPF_SkiaIsCJK(uCharset)) {
-            if (bMatchedName || pFontDes->m_iGlyphNum > nGlyphNum) {
-                nItem = i;
-                nGlyphNum = pFontDes->m_iGlyphNum;
-            }
-        } else if (nFind > nMax) {
-            nMax = nFind;
-            nItem = i;
-        }
-        if (nExpectVal <= nFind) {
-            nItem = i;
-            break;
-        }
-    }
-    if (nItem > -1) {
-        CFPF_SkiaFontDescriptor *pFontDes = (CFPF_SkiaFontDescriptor*)m_FontFaces.ElementAt(nItem);
-        CFPF_SkiaFont *pFont = new CFPF_SkiaFont;
-        if (pFont->InitFont(this, pFontDes, bsFamilyname, dwStyle, uCharset)) {
-            m_FamilyFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
-            return pFont->Retain();
-        }
-        pFont->Release();
-    }
-    return NULL;
-}
-FXFT_Face CFPF_SkiaFontMgr::GetFontFace(IFX_FileRead *pFileRead, int32_t iFaceIndex)
-{
-    if (!pFileRead) {
-        return NULL;
-    }
-    if (pFileRead->GetSize() == 0) {
-        return NULL;
-    }
-    if (iFaceIndex < 0) {
-        return NULL;
-    }
-    FXFT_StreamRec streamRec;
-    FXSYS_memset(&streamRec, 0, sizeof(FXFT_StreamRec));
-    streamRec.size = pFileRead->GetSize();
-    streamRec.descriptor.pointer = pFileRead;
-    streamRec.read = FPF_SkiaStream_Read;
-    streamRec.close = FPF_SkiaStream_Close;
-    FXFT_Open_Args args;
-    args.flags = FT_OPEN_STREAM;
-    args.stream = &streamRec;
-    FXFT_Face face;
-    if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
-        return NULL;
-    }
-    FXFT_Set_Pixel_Sizes(face, 0, 64);
-    return face;
-}
-FXFT_Face CFPF_SkiaFontMgr::GetFontFace(const CFX_ByteStringC& bsFile, int32_t iFaceIndex )
-{
-    if (bsFile.IsEmpty()) {
-        return NULL;
-    }
-    if (iFaceIndex < 0) {
-        return NULL;
-    }
-    FXFT_Open_Args args;
-    args.flags = FT_OPEN_PATHNAME;
-    args.pathname = (FT_String*)bsFile.GetCStr();
-    FXFT_Face face;
-    if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
-        return FALSE;
-    }
-    FXFT_Set_Pixel_Sizes(face, 0, 64);
-    return face;
-}
-FXFT_Face CFPF_SkiaFontMgr::GetFontFace(const uint8_t* pBuffer, size_t szBuffer, int32_t iFaceIndex )
-{
-    if (!pBuffer || szBuffer < 1) {
-        return NULL;
-    }
-    if (iFaceIndex < 0) {
-        return NULL;
-    }
-    FXFT_Open_Args args;
-    args.flags = FT_OPEN_MEMORY;
-    args.memory_base = pBuffer;
-    args.memory_size = szBuffer;
-    FXFT_Face face;
-    if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
-        return FALSE;
-    }
-    FXFT_Set_Pixel_Sizes(face, 0, 64);
-    return face;
-}
-void CFPF_SkiaFontMgr::ScanPath(const CFX_ByteStringC& path)
-{
-    void *handle = FX_OpenFolder(path.GetCStr());
-    if (!handle) {
-        return;
-    }
-    CFX_ByteString filename;
-    FX_BOOL     bFolder = FALSE;
-    while (FX_GetNextFile(handle, filename, bFolder)) {
-        if (bFolder) {
-            if (filename == FX_BSTRC(".") || filename == FX_BSTRC("..")) {
-                continue;
-            }
-        } else {
-            CFX_ByteString ext = filename.Right(4);
-            ext.MakeLower();
-            if (ext != FX_BSTRC(".ttf") && ext != FX_BSTRC(".ttc")) {
-                continue;
-            }
-        }
-        CFX_ByteString fullpath = path;
-        fullpath += "/";
-        fullpath += filename;
-        if (bFolder) {
-            ScanPath(fullpath);
-        } else {
-            ScanFile(fullpath);
-        }
-    }
-    FX_CloseFolder(handle);
-}
-void CFPF_SkiaFontMgr::ScanFile(const CFX_ByteStringC& file)
-{
-    FXFT_Face face = GetFontFace(file);
-    if (face) {
-        CFPF_SkiaPathFont *pFontDesc = new CFPF_SkiaPathFont;
-        pFontDesc->SetPath(file.GetCStr());
-        ReportFace(face, pFontDesc);
-        m_FontFaces.Add(pFontDesc);
-        FXFT_Done_Face(face);
-    }
-}
-static const FX_DWORD g_FPFSkiaFontCharsets [] = {
+      CFX_ByteString ext = filename.Right(4);
+      ext.MakeLower();
+      if (ext != FX_BSTRC(".ttf") && ext != FX_BSTRC(".ttc")) {
+        continue;
+      }
+    }
+    CFX_ByteString fullpath = path;
+    fullpath += "/";
+    fullpath += filename;
+    if (bFolder) {
+      ScanPath(fullpath);
+    } else {
+      ScanFile(fullpath);
+    }
+  }
+  FX_CloseFolder(handle);
+}
+void CFPF_SkiaFontMgr::ScanFile(const CFX_ByteStringC& file) {
+  FXFT_Face face = GetFontFace(file);
+  if (face) {
+    CFPF_SkiaPathFont* pFontDesc = new CFPF_SkiaPathFont;
+    pFontDesc->SetPath(file.GetCStr());
+    ReportFace(face, pFontDesc);
+    m_FontFaces.Add(pFontDesc);
+    FXFT_Done_Face(face);
+  }
+}
+static const FX_DWORD g_FPFSkiaFontCharsets[] = {
     FPF_SKIACHARSET_Ansi,
     FPF_SKIACHARSET_EeasternEuropean,
     FPF_SKIACHARSET_Cyrillic,
     FPF_SKIACHARSET_Greek,
     FPF_SKIACHARSET_Turkish,
     FPF_SKIACHARSET_Hebrew,
     FPF_SKIACHARSET_Arabic,
     FPF_SKIACHARSET_Baltic,
     0,
     0,
@@ skipping 13 matching lines @@
     0,
     0,
     0,
     0,
     0,
     0,
     0,
     FPF_SKIACHARSET_OEM,
     FPF_SKIACHARSET_Symbol,
 };
-static FX_DWORD FPF_SkiaGetFaceCharset(TT_OS2 *pOS2)
-{
-    FX_DWORD dwCharset = 0;
-    if (pOS2) {
-        for (int32_t i = 0; i < 32; i++) {
-            if (pOS2->ulCodePageRange1 & (1 << i)) {
-                dwCharset |= g_FPFSkiaFontCharsets[i];
-            }
-        }
+static FX_DWORD FPF_SkiaGetFaceCharset(TT_OS2* pOS2) {
+  FX_DWORD dwCharset = 0;
+  if (pOS2) {
+    for (int32_t i = 0; i < 32; i++) {
+      if (pOS2->ulCodePageRange1 & (1 << i)) {
+        dwCharset |= g_FPFSkiaFontCharsets[i];
+      }
     }
-    dwCharset |= FPF_SKIACHARSET_Default;
-    return dwCharset;
+  }
+  dwCharset |= FPF_SKIACHARSET_Default;
+  return dwCharset;
 }
-void CFPF_SkiaFontMgr::ReportFace(FXFT_Face face, CFPF_SkiaFontDescriptor *pFontDesc)
-{
-    if (!face || !pFontDesc) {
-        return;
+void CFPF_SkiaFontMgr::ReportFace(FXFT_Face face,
+                                  CFPF_SkiaFontDescriptor* pFontDesc) {
+  if (!face || !pFontDesc) {
+    return;
+  }
+  pFontDesc->SetFamily(FXFT_Get_Face_Family_Name(face));
+  if (FXFT_Is_Face_Bold(face)) {
+    pFontDesc->m_dwStyle |= FXFONT_BOLD;
+  }
+  if (FXFT_Is_Face_Italic(face)) {
+    pFontDesc->m_dwStyle |= FXFONT_ITALIC;
+  }
+  if (FT_IS_FIXED_WIDTH(face)) {
+    pFontDesc->m_dwStyle |= FXFONT_FIXED_PITCH;
+  }
+  TT_OS2* pOS2 = (TT_OS2*)FT_Get_Sfnt_Table(face, ft_sfnt_os2);
+  if (pOS2) {
+    if (pOS2->ulCodePageRange1 & (1 << 31)) {
+      pFontDesc->m_dwStyle |= FXFONT_SYMBOLIC;
     }
-    pFontDesc->SetFamily(FXFT_Get_Face_Family_Name(face));
-    if (FXFT_Is_Face_Bold(face))        {
-        pFontDesc->m_dwStyle |= FXFONT_BOLD;
+    if (pOS2->panose[0] == 2) {
+      uint8_t uSerif = pOS2->panose[1];
+      if ((uSerif > 1 && uSerif < 10) || uSerif > 13) {
+        pFontDesc->m_dwStyle |= FXFONT_SERIF;
+      }
     }
-    if (FXFT_Is_Face_Italic(face))      {
-        pFontDesc->m_dwStyle |= FXFONT_ITALIC;
-    }
-    if (FT_IS_FIXED_WIDTH(face))        {
-        pFontDesc->m_dwStyle |= FXFONT_FIXED_PITCH;
-    }
-    TT_OS2 *pOS2 = (TT_OS2*)FT_Get_Sfnt_Table(face, ft_sfnt_os2);
-    if (pOS2) {
-        if (pOS2->ulCodePageRange1 & (1 << 31)) {
-            pFontDesc->m_dwStyle |= FXFONT_SYMBOLIC;
-        }
-        if (pOS2->panose[0] == 2) {
-            uint8_t uSerif = pOS2->panose[1];
-            if ((uSerif > 1 && uSerif < 10) || uSerif > 13) {
-                pFontDesc->m_dwStyle |= FXFONT_SERIF;
-            }
-        }
-    }
-    if (pOS2 && (pOS2->ulCodePageRange1 & (1 << 31))) {
-        pFontDesc->m_dwStyle |= FXFONT_SYMBOLIC;
-    }
-    pFontDesc->m_dwCharsets = FPF_SkiaGetFaceCharset(pOS2);
-    pFontDesc->m_iFaceIndex = face->face_index;
-    pFontDesc->m_iGlyphNum = face->num_glyphs;
+  }
+  if (pOS2 && (pOS2->ulCodePageRange1 & (1 << 31))) {
+    pFontDesc->m_dwStyle |= FXFONT_SYMBOLIC;
+  }
+  pFontDesc->m_dwCharsets = FPF_SkiaGetFaceCharset(pOS2);
+  pFontDesc->m_iFaceIndex = face->face_index;
+  pFontDesc->m_iGlyphNum = face->num_glyphs;
 }
-void CFPF_SkiaFontMgr::OutputSystemFonts()
-{
-}
+void CFPF_SkiaFontMgr::OutputSystemFonts() {}
 #endif