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pdfium / pdfium / f73893a6110f2d4960b372fb4fe38e4fd629ce8f / . / xfa / fgas / font / fgas_stdfontmgr.cpp
blob: 1407e95c79231f3380884f14724f67fbc159d7ac [file] [log] [blame]
// Copyright 2015 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 "xfa/fgas/font/fgas_stdfontmgr.h"
#include "core/fxcrt/include/fx_stream.h"
#include "core/fxge/include/cfx_fontmapper.h"
#include "core/fxge/include/cfx_fontmgr.h"
#include "core/fxge/include/ifx_systemfontinfo.h"
#include "core/fxge/include/fx_ge.h"
#include "xfa/fgas/crt/fgas_codepage.h"
#include "xfa/fgas/font/fgas_fontutils.h"
#include "xfa/fgas/font/fgas_gefont.h"
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
IFGAS_FontMgr* IFGAS_FontMgr::Create(FX_LPEnumAllFonts pEnumerator) {
return new CFGAS_StdFontMgrImp(pEnumerator);
}
CFGAS_StdFontMgrImp::CFGAS_StdFontMgrImp(FX_LPEnumAllFonts pEnumerator)
: m_pEnumerator(pEnumerator),
m_FontFaces(100),
m_CPFonts(8),
m_FamilyFonts(16),
m_UnicodeFonts(16),
m_BufferFonts(4),
m_StreamFonts(4),
m_DeriveFonts(4) {
if (m_pEnumerator) {
m_pEnumerator(m_FontFaces, nullptr, 0xFEFF);
}
}
CFGAS_StdFontMgrImp::~CFGAS_StdFontMgrImp() {
m_FontFaces.RemoveAll(FALSE);
m_CPFonts.RemoveAll();
m_FamilyFonts.RemoveAll();
m_UnicodeFonts.RemoveAll();
m_BufferFonts.RemoveAll();
m_StreamFonts.RemoveAll();
m_DeriveFonts.RemoveAll();
for (int32_t i = m_Fonts.GetUpperBound(); i >= 0; i--)
m_Fonts[i]->Release();
}
void CFGAS_StdFontMgrImp::Release() {
delete this;
}
CFGAS_GEFont* CFGAS_StdFontMgrImp::GetDefFontByCodePage(
uint16_t wCodePage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
uint32_t dwHash = FGAS_GetFontHashCode(wCodePage, dwFontStyles);
CFGAS_GEFont* pFont = nullptr;
if (m_CPFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont)) {
return pFont ? LoadFont(pFont, dwFontStyles, wCodePage) : nullptr;
}
FX_FONTDESCRIPTOR const* pFD =
FindFont(pszFontFamily, dwFontStyles, TRUE, wCodePage);
if (!pFD)
pFD = FindFont(nullptr, dwFontStyles, TRUE, wCodePage);
if (!pFD)
pFD = FindFont(nullptr, dwFontStyles, FALSE, wCodePage);
if (!pFD)
return nullptr;
pFont =
CFGAS_GEFont::LoadFont(pFD->wsFontFace, dwFontStyles, wCodePage, this);
if (pFont) {
m_Fonts.Add(pFont);
m_CPFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
dwHash = FGAS_GetFontFamilyHash(pFD->wsFontFace, dwFontStyles, wCodePage);
m_FamilyFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
return LoadFont(pFont, dwFontStyles, wCodePage);
}
return nullptr;
}
CFGAS_GEFont* CFGAS_StdFontMgrImp::GetDefFontByCharset(
uint8_t nCharset,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
return GetDefFontByCodePage(FX_GetCodePageFromCharset(nCharset), dwFontStyles,
pszFontFamily);
}
CFGAS_GEFont* CFGAS_StdFontMgrImp::GetDefFontByUnicode(
FX_WCHAR wUnicode,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
const FGAS_FONTUSB* pRet = FGAS_GetUnicodeBitField(wUnicode);
if (pRet->wBitField == 999)
return nullptr;
uint32_t dwHash =
FGAS_GetFontFamilyHash(pszFontFamily, dwFontStyles, pRet->wBitField);
CFGAS_GEFont* pFont = nullptr;
if (m_UnicodeFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont))
return pFont ? LoadFont(pFont, dwFontStyles, pRet->wCodePage) : nullptr;
FX_FONTDESCRIPTOR const* pFD =
FindFont(pszFontFamily, dwFontStyles, FALSE, pRet->wCodePage,
pRet->wBitField, wUnicode);
if (!pFD && pszFontFamily) {
pFD = FindFont(nullptr, dwFontStyles, FALSE, pRet->wCodePage,
pRet->wBitField, wUnicode);
}
if (!pFD)
return nullptr;
uint16_t wCodePage = FX_GetCodePageFromCharset(pFD->uCharSet);
const FX_WCHAR* pFontFace = pFD->wsFontFace;
pFont = CFGAS_GEFont::LoadFont(pFontFace, dwFontStyles, wCodePage, this);
if (pFont) {
m_Fonts.Add(pFont);
m_UnicodeFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
dwHash = FGAS_GetFontHashCode(wCodePage, dwFontStyles);
m_CPFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
dwHash = FGAS_GetFontFamilyHash(pFontFace, dwFontStyles, wCodePage);
m_FamilyFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
return LoadFont(pFont, dwFontStyles, wCodePage);
}
return nullptr;
}
CFGAS_GEFont* CFGAS_StdFontMgrImp::GetDefFontByLanguage(
uint16_t wLanguage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
return GetDefFontByCodePage(FX_GetDefCodePageByLanguage(wLanguage),
dwFontStyles, pszFontFamily);
}
CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(const FX_WCHAR* pszFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage) {
uint32_t dwHash =
FGAS_GetFontFamilyHash(pszFontFamily, dwFontStyles, wCodePage);
CFGAS_GEFont* pFont = nullptr;
if (m_FamilyFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont)) {
return pFont ? LoadFont(pFont, dwFontStyles, wCodePage) : nullptr;
}
FX_FONTDESCRIPTOR const* pFD =
FindFont(pszFontFamily, dwFontStyles, TRUE, wCodePage);
if (!pFD)
pFD = FindFont(pszFontFamily, dwFontStyles, FALSE, wCodePage);
if (!pFD)
return nullptr;
if (wCodePage == 0xFFFF) {
wCodePage = FX_GetCodePageFromCharset(pFD->uCharSet);
}
pFont =
CFGAS_GEFont::LoadFont(pFD->wsFontFace, dwFontStyles, wCodePage, this);
if (pFont) {
m_Fonts.Add(pFont);
m_FamilyFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
dwHash = FGAS_GetFontHashCode(wCodePage, dwFontStyles);
m_CPFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
return LoadFont(pFont, dwFontStyles, wCodePage);
}
return nullptr;
}
CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(const uint8_t* pBuffer,
int32_t iLength) {
ASSERT(pBuffer && iLength > 0);
CFGAS_GEFont* pFont = nullptr;
if (m_BufferFonts.Lookup((void*)pBuffer, (void*&)pFont)) {
if (pFont) {
return pFont->Retain();
}
}
pFont = CFGAS_GEFont::LoadFont(pBuffer, iLength, this);
if (pFont) {
m_Fonts.Add(pFont);
m_BufferFonts.SetAt((void*)pBuffer, pFont);
return pFont->Retain();
}
return nullptr;
}
CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(IFX_Stream* pFontStream,
const FX_WCHAR* pszFontAlias,
uint32_t dwFontStyles,
uint16_t wCodePage,
FX_BOOL bSaveStream) {
ASSERT(pFontStream && pFontStream->GetLength() > 0);
CFGAS_GEFont* pFont = nullptr;
if (m_StreamFonts.Lookup((void*)pFontStream, (void*&)pFont)) {
if (pFont) {
if (pszFontAlias) {
uint32_t dwHash =
FGAS_GetFontFamilyHash(pszFontAlias, dwFontStyles, wCodePage);
m_FamilyFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
}
return LoadFont(pFont, dwFontStyles, wCodePage);
}
}
pFont = CFGAS_GEFont::LoadFont(pFontStream, this, bSaveStream);
if (pFont) {
m_Fonts.Add(pFont);
m_StreamFonts.SetAt((void*)pFontStream, (void*)pFont);
if (pszFontAlias) {
uint32_t dwHash =
FGAS_GetFontFamilyHash(pszFontAlias, dwFontStyles, wCodePage);
m_FamilyFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
}
return LoadFont(pFont, dwFontStyles, wCodePage);
}
return nullptr;
}
CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(CFGAS_GEFont* pSrcFont,
uint32_t dwFontStyles,
uint16_t wCodePage) {
ASSERT(pSrcFont);
if (pSrcFont->GetFontStyles() == dwFontStyles) {
return pSrcFont->Retain();
}
void* buffer[3] = {pSrcFont, (void*)(uintptr_t)dwFontStyles,
(void*)(uintptr_t)wCodePage};
uint32_t dwHash = FX_HashCode_GetA(
CFX_ByteStringC((uint8_t*)buffer, sizeof(buffer)), false);
CFGAS_GEFont* pFont = nullptr;
if (m_DeriveFonts.GetCount() > 0) {
m_DeriveFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont);
if (pFont) {
return pFont->Retain();
}
}
pFont = pSrcFont->Derive(dwFontStyles, wCodePage);
if (pFont) {
m_DeriveFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
int32_t index = m_Fonts.Find(pFont);
if (index < 0) {
m_Fonts.Add(pFont);
pFont->Retain();
}
return pFont;
}
return nullptr;
}
void CFGAS_StdFontMgrImp::ClearFontCache() {
for (int32_t i = 0; i < m_Fonts.GetSize(); i++)
m_Fonts[i]->Reset();
}
void CFGAS_StdFontMgrImp::RemoveFont(CFX_MapPtrToPtr& fontMap,
CFGAS_GEFont* pFont) {
FX_POSITION pos = fontMap.GetStartPosition();
void* pKey;
void* pFind;
while (pos) {
pFind = nullptr;
fontMap.GetNextAssoc(pos, pKey, pFind);
if (pFind != (void*)pFont) {
continue;
}
fontMap.RemoveKey(pKey);
break;
}
}
void CFGAS_StdFontMgrImp::RemoveFont(CFGAS_GEFont* pFont) {
RemoveFont(m_CPFonts, pFont);
RemoveFont(m_FamilyFonts, pFont);
RemoveFont(m_UnicodeFonts, pFont);
RemoveFont(m_BufferFonts, pFont);
RemoveFont(m_StreamFonts, pFont);
RemoveFont(m_DeriveFonts, pFont);
int32_t iFind = m_Fonts.Find(pFont);
if (iFind > -1) {
m_Fonts.RemoveAt(iFind, 1);
}
}
FX_FONTDESCRIPTOR const* CFGAS_StdFontMgrImp::FindFont(
const FX_WCHAR* pszFontFamily,
uint32_t dwFontStyles,
uint32_t dwMatchFlags,
uint16_t wCodePage,
uint32_t dwUSB,
FX_WCHAR wUnicode) {
FX_FONTMATCHPARAMS params;
FXSYS_memset(&params, 0, sizeof(params));
params.dwUSB = dwUSB;
params.wUnicode = wUnicode;
params.wCodePage = wCodePage;
params.pwsFamily = pszFontFamily;
params.dwFontStyles = dwFontStyles;
params.dwMatchFlags = dwMatchFlags;
FX_FONTDESCRIPTOR const* pDesc = FX_DefFontMatcher(&params, m_FontFaces);
if (pDesc) {
return pDesc;
}
if (pszFontFamily && m_pEnumerator) {
CFX_FontDescriptors namedFonts(100);
m_pEnumerator(namedFonts, pszFontFamily, wUnicode);
params.pwsFamily = nullptr;
pDesc = FX_DefFontMatcher(&params, namedFonts);
if (!pDesc) {
return nullptr;
}
for (int32_t i = m_FontFaces.GetSize() - 1; i >= 0; i--) {
FX_FONTDESCRIPTOR const* pMatch = m_FontFaces.GetPtrAt(i);
if (*pMatch == *pDesc) {
return pMatch;
}
}
int index = m_FontFaces.Add(*pDesc);
return m_FontFaces.GetPtrAt(index);
}
return nullptr;
}
FX_FONTDESCRIPTOR const* FX_DefFontMatcher(FX_LPFONTMATCHPARAMS pParams,
const CFX_FontDescriptors& fonts) {
FX_FONTDESCRIPTOR const* pBestFont = nullptr;
int32_t iBestSimilar = 0;
FX_BOOL bMatchStyle =
(pParams->dwMatchFlags & FX_FONTMATCHPARA_MacthStyle) > 0;
int32_t iCount = fonts.GetSize();
for (int32_t i = 0; i < iCount; ++i) {
FX_FONTDESCRIPTOR const* pFont = fonts.GetPtrAt(i);
if ((pFont->dwFontStyles & FX_FONTSTYLE_BoldItalic) ==
FX_FONTSTYLE_BoldItalic) {
continue;
}
if (pParams->pwsFamily) {
if (FXSYS_wcsicmp(pParams->pwsFamily, pFont->wsFontFace)) {
continue;
}
if (pFont->uCharSet == FX_CHARSET_Symbol) {
return pFont;
}
}
if (pFont->uCharSet == FX_CHARSET_Symbol) {
continue;
}
if (pParams->wCodePage != 0xFFFF) {
if (FX_GetCodePageFromCharset(pFont->uCharSet) != pParams->wCodePage) {
continue;
}
} else {
if (pParams->dwUSB < 128) {
uint32_t dwByte = pParams->dwUSB / 32;
uint32_t dwUSB = 1 << (pParams->dwUSB % 32);
if ((pFont->FontSignature.fsUsb[dwByte] & dwUSB) == 0) {
continue;
}
}
}
if (bMatchStyle) {
if ((pFont->dwFontStyles & 0x0F) == (pParams->dwFontStyles & 0x0F))
return pFont;
continue;
}
if (pParams->pwsFamily) {
if (FXSYS_wcsicmp(pParams->pwsFamily, pFont->wsFontFace) == 0) {
return pFont;
}
}
int32_t iSimilarValue = FX_GetSimilarValue(pFont, pParams->dwFontStyles);
if (iBestSimilar < iSimilarValue) {
iBestSimilar = iSimilarValue;
pBestFont = pFont;
}
}
return iBestSimilar < 1 ? nullptr : pBestFont;
}
int32_t FX_GetSimilarValue(FX_FONTDESCRIPTOR const* pFont,
uint32_t dwFontStyles) {
int32_t iValue = 0;
if ((dwFontStyles & FX_FONTSTYLE_Symbolic) ==
(pFont->dwFontStyles & FX_FONTSTYLE_Symbolic)) {
iValue += 64;
}
if ((dwFontStyles & FX_FONTSTYLE_FixedPitch) ==
(pFont->dwFontStyles & FX_FONTSTYLE_FixedPitch)) {
iValue += 32;
}
if ((dwFontStyles & FX_FONTSTYLE_Serif) ==
(pFont->dwFontStyles & FX_FONTSTYLE_Serif)) {
iValue += 16;
}
if ((dwFontStyles & FX_FONTSTYLE_Script) ==
(pFont->dwFontStyles & FX_FONTSTYLE_Script)) {
iValue += 8;
}
return iValue;
}
FX_LPMatchFont FX_GetDefFontMatchor() {
return FX_DefFontMatcher;
}
uint32_t FX_GetGdiFontStyles(const LOGFONTW& lf) {
uint32_t dwStyles = 0;
if ((lf.lfPitchAndFamily & 0x03) == FIXED_PITCH) {
dwStyles |= FX_FONTSTYLE_FixedPitch;
}
uint8_t nFamilies = lf.lfPitchAndFamily & 0xF0;
if (nFamilies == FF_ROMAN) {
dwStyles |= FX_FONTSTYLE_Serif;
}
if (nFamilies == FF_SCRIPT) {
dwStyles |= FX_FONTSTYLE_Script;
}
if (lf.lfCharSet == SYMBOL_CHARSET) {
dwStyles |= FX_FONTSTYLE_Symbolic;
}
return dwStyles;
}
static int32_t CALLBACK FX_GdiFontEnumProc(ENUMLOGFONTEX* lpelfe,
NEWTEXTMETRICEX* lpntme,
DWORD dwFontType,
LPARAM lParam) {
if (dwFontType != TRUETYPE_FONTTYPE) {
return 1;
}
const LOGFONTW& lf = ((LPENUMLOGFONTEXW)lpelfe)->elfLogFont;
if (lf.lfFaceName[0] == L'@') {
return 1;
}
FX_FONTDESCRIPTOR* pFont = FX_Alloc(FX_FONTDESCRIPTOR, 1);
FXSYS_memset(pFont, 0, sizeof(FX_FONTDESCRIPTOR));
pFont->uCharSet = lf.lfCharSet;
pFont->dwFontStyles = FX_GetGdiFontStyles(lf);
FXSYS_wcsncpy(pFont->wsFontFace, (const FX_WCHAR*)lf.lfFaceName, 31);
pFont->wsFontFace[31] = 0;
FXSYS_memcpy(&pFont->FontSignature, &lpntme->ntmFontSig,
sizeof(lpntme->ntmFontSig));
((CFX_FontDescriptors*)lParam)->Add(*pFont);
FX_Free(pFont);
return 1;
}
static void FX_EnumGdiFonts(CFX_FontDescriptors& fonts,
const FX_WCHAR* pwsFaceName,
FX_WCHAR wUnicode) {
HDC hDC = ::GetDC(nullptr);
LOGFONTW lfFind;
FXSYS_memset(&lfFind, 0, sizeof(lfFind));
lfFind.lfCharSet = DEFAULT_CHARSET;
if (pwsFaceName) {
FXSYS_wcsncpy(lfFind.lfFaceName, pwsFaceName, 31);
lfFind.lfFaceName[31] = 0;
}
EnumFontFamiliesExW(hDC, (LPLOGFONTW)&lfFind,
(FONTENUMPROCW)FX_GdiFontEnumProc, (LPARAM)&fonts, 0);
::ReleaseDC(nullptr, hDC);
}
FX_LPEnumAllFonts FX_GetDefFontEnumerator() {
return FX_EnumGdiFonts;
}
#else
const FX_CHAR* g_FontFolders[] = {
#if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_
"/usr/share/fonts", "/usr/share/X11/fonts/Type1",
"/usr/share/X11/fonts/TTF", "/usr/local/share/fonts",
#elif _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
"~/Library/Fonts", "/Library/Fonts", "/System/Library/Fonts",
#elif _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_
"/system/fonts",
#endif
};
CFX_FontDescriptor::CFX_FontDescriptor()
: m_nFaceIndex(0), m_dwFontStyles(0), m_dwUsb(), m_dwCsb() {}
CFX_FontDescriptor::~CFX_FontDescriptor() {}
CFX_FontSourceEnum_File::CFX_FontSourceEnum_File() {
for (size_t i = 0; i < FX_ArraySize(g_FontFolders); ++i)
m_FolderPaths.Add(g_FontFolders[i]);
}
CFX_FontSourceEnum_File::~CFX_FontSourceEnum_File() {}
CFX_ByteString CFX_FontSourceEnum_File::GetNextFile() {
Restart:
void* pCurHandle =
m_FolderQueue.GetSize() != 0
? m_FolderQueue.GetDataPtr(m_FolderQueue.GetSize() - 1)->pFileHandle
: nullptr;
if (!pCurHandle) {
if (m_FolderPaths.GetSize() < 1) {
return "";
}
pCurHandle =
FX_OpenFolder(m_FolderPaths[m_FolderPaths.GetSize() - 1].c_str());
FX_HandleParentPath hpp;
hpp.pFileHandle = pCurHandle;
hpp.bsParentPath = m_FolderPaths[m_FolderPaths.GetSize() - 1];
m_FolderQueue.Add(hpp);
}
CFX_ByteString bsName;
FX_BOOL bFolder;
CFX_ByteString bsFolderSpearator =
CFX_ByteString::FromUnicode(CFX_WideString(FX_GetFolderSeparator()));
while (TRUE) {
if (!FX_GetNextFile(pCurHandle, bsName, bFolder)) {
FX_CloseFolder(pCurHandle);
m_FolderQueue.RemoveAt(m_FolderQueue.GetSize() - 1);
if (m_FolderQueue.GetSize() == 0) {
m_FolderPaths.RemoveAt(m_FolderPaths.GetSize() - 1);
if (m_FolderPaths.GetSize() == 0) {
return "";
} else {
goto Restart;
}
}
pCurHandle =
m_FolderQueue.GetDataPtr(m_FolderQueue.GetSize() - 1)->pFileHandle;
continue;
}
if (bsName == "." || bsName == "..") {
continue;
}
if (bFolder) {
FX_HandleParentPath hpp;
hpp.bsParentPath =
m_FolderQueue.GetDataPtr(m_FolderQueue.GetSize() - 1)->bsParentPath +
bsFolderSpearator + bsName;
hpp.pFileHandle = FX_OpenFolder(hpp.bsParentPath.c_str());
if (!hpp.pFileHandle) {
continue;
}
m_FolderQueue.Add(hpp);
pCurHandle = hpp.pFileHandle;
continue;
}
bsName =
m_FolderQueue.GetDataPtr(m_FolderQueue.GetSize() - 1)->bsParentPath +
bsFolderSpearator + bsName;
break;
}
return bsName;
}
FX_POSITION CFX_FontSourceEnum_File::GetStartPosition() {
m_wsNext = GetNextFile().UTF8Decode();
if (m_wsNext.GetLength() == 0) {
return (FX_POSITION)0;
}
return (FX_POSITION)-1;
}
IFX_FileAccess* CFX_FontSourceEnum_File::GetNext(FX_POSITION& pos) {
IFX_FileAccess* pAccess = FX_CreateDefaultFileAccess(m_wsNext.AsStringC());
m_wsNext = GetNextFile().UTF8Decode();
pos = m_wsNext.GetLength() != 0 ? pAccess : nullptr;
return pAccess;
}
IFGAS_FontMgr* IFGAS_FontMgr::Create(CFX_FontSourceEnum_File* pFontEnum) {
if (!pFontEnum)
return nullptr;
std::unique_ptr<CFGAS_FontMgrImp> pFontMgr(new CFGAS_FontMgrImp(pFontEnum));
if (!pFontMgr->EnumFonts())
return nullptr;
return pFontMgr.release();
}
CFGAS_FontMgrImp::CFGAS_FontMgrImp(CFX_FontSourceEnum_File* pFontEnum)
: m_pFontSource(pFontEnum) {}
CFGAS_FontMgrImp::~CFGAS_FontMgrImp() {}
FX_BOOL CFGAS_FontMgrImp::EnumFontsFromFontMapper() {
CFX_FontMapper* pFontMapper =
CFX_GEModule::Get()->GetFontMgr()->GetBuiltinMapper();
if (!pFontMapper)
return FALSE;
IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
if (!pSystemFontInfo)
return FALSE;
pSystemFontInfo->EnumFontList(pFontMapper);
for (int32_t i = 0; i < pFontMapper->GetFaceSize(); ++i) {
IFX_FileRead* pFontStream =
CreateFontStream(pFontMapper, pSystemFontInfo, i);
if (!pFontStream)
continue;
CFX_WideString wsFaceName =
CFX_WideString::FromLocal(pFontMapper->GetFaceName(i).c_str());
RegisterFaces(pFontStream, &wsFaceName);
pFontStream->Release();
}
if (m_InstalledFonts.GetSize() == 0)
return FALSE;
return TRUE;
}
FX_BOOL CFGAS_FontMgrImp::EnumFontsFromFiles() {
CFX_GEModule::Get()->GetFontMgr()->InitFTLibrary();
FX_POSITION pos = m_pFontSource->GetStartPosition();
IFX_FileAccess* pFontSource = nullptr;
IFX_FileRead* pFontStream = nullptr;
while (pos) {
pFontSource = m_pFontSource->GetNext(pos);
pFontStream = pFontSource->CreateFileStream(FX_FILEMODE_ReadOnly);
if (!pFontStream) {
pFontSource->Release();
continue;
}
RegisterFaces(pFontStream, nullptr);
pFontStream->Release();
pFontSource->Release();
}
if (m_InstalledFonts.GetSize() == 0)
return FALSE;
return TRUE;
}
FX_BOOL CFGAS_FontMgrImp::EnumFonts() {
if (EnumFontsFromFontMapper())
return TRUE;
return EnumFontsFromFiles();
}
void CFGAS_FontMgrImp::Release() {
for (int32_t i = 0; i < m_InstalledFonts.GetSize(); i++) {
delete m_InstalledFonts[i];
}
FX_POSITION pos = m_Hash2CandidateList.GetStartPosition();
while (pos) {
uint32_t dwHash;
CFX_FontDescriptorInfos* pDescs;
m_Hash2CandidateList.GetNextAssoc(pos, dwHash, pDescs);
delete pDescs;
}
pos = m_Hash2Fonts.GetStartPosition();
while (pos) {
uint32_t dwHash;
CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts;
m_Hash2Fonts.GetNextAssoc(pos, dwHash, pFonts);
delete pFonts;
}
m_Hash2Fonts.RemoveAll();
pos = m_IFXFont2FileRead.GetStartPosition();
while (pos) {
CFGAS_GEFont* pFont;
IFX_FileRead* pFileRead;
m_IFXFont2FileRead.GetNextAssoc(pos, pFont, pFileRead);
pFileRead->Release();
}
delete this;
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetDefFontByCodePage(
uint16_t wCodePage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
return nullptr;
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetDefFontByCharset(
uint8_t nCharset,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
return nullptr;
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetDefFontByUnicode(
FX_WCHAR wUnicode,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
return nullptr;
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetDefFontByLanguage(
uint16_t wLanguage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
return nullptr;
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByCodePage(
uint16_t wCodePage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
CFX_ByteString bsHash;
bsHash.Format("%d, %d", wCodePage, dwFontStyles);
bsHash += CFX_WideString(pszFontFamily).UTF8Encode();
uint32_t dwHash = FX_HashCode_GetA(bsHash.AsStringC(), false);
CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts = nullptr;
if (m_Hash2Fonts.Lookup(dwHash, pFonts)) {
if (!pFonts)
return nullptr;
if (pFonts->GetSize() != 0)
return pFonts->GetAt(0)->Retain();
}
if (!pFonts)
pFonts = new CFX_ArrayTemplate<CFGAS_GEFont*>;
m_Hash2Fonts.SetAt(dwHash, pFonts);
CFX_FontDescriptorInfos* sortedFonts = nullptr;
if (!m_Hash2CandidateList.Lookup(dwHash, sortedFonts)) {
sortedFonts = new CFX_FontDescriptorInfos;
MatchFonts(*sortedFonts, wCodePage, dwFontStyles,
CFX_WideString(pszFontFamily), 0);
m_Hash2CandidateList.SetAt(dwHash, sortedFonts);
}
if (sortedFonts->GetSize() == 0)
return nullptr;
CFX_FontDescriptor* pDesc = sortedFonts->GetAt(0).pFont;
CFGAS_GEFont* pFont =
LoadFont(pDesc->m_wsFaceName, pDesc->m_nFaceIndex, nullptr);
if (pFont)
pFont->SetLogicalFontStyle(dwFontStyles);
pFonts->Add(pFont);
return pFont;
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByCharset(
uint8_t nCharset,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
return GetFontByCodePage(FX_GetCodePageFromCharset(nCharset), dwFontStyles,
pszFontFamily);
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByUnicode(
FX_WCHAR wUnicode,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
CFGAS_GEFont* pFont = nullptr;
if (m_FailedUnicodes2Nullptr.Lookup(wUnicode, pFont))
return nullptr;
const FGAS_FONTUSB* x = FGAS_GetUnicodeBitField(wUnicode);
uint16_t wCodePage = x ? x->wCodePage : 0xFFFF;
uint16_t wBitField = x ? x->wBitField : 0x03E7;
CFX_ByteString bsHash;
if (wCodePage == 0xFFFF)
bsHash.Format("%d, %d, %d", wCodePage, wBitField, dwFontStyles);
else
bsHash.Format("%d, %d", wCodePage, dwFontStyles);
bsHash += CFX_WideString(pszFontFamily).UTF8Encode();
uint32_t dwHash = FX_HashCode_GetA(bsHash.AsStringC(), false);
CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts = nullptr;
if (m_Hash2Fonts.Lookup(dwHash, pFonts)) {
if (!pFonts)
return nullptr;
for (int32_t i = 0; i < pFonts->GetSize(); ++i) {
if (VerifyUnicode(pFonts->GetAt(i), wUnicode))
return pFonts->GetAt(i)->Retain();
}
}
if (!pFonts)
pFonts = new CFX_ArrayTemplate<CFGAS_GEFont*>;
m_Hash2Fonts.SetAt(dwHash, pFonts);
CFX_FontDescriptorInfos* sortedFonts = nullptr;
if (!m_Hash2CandidateList.Lookup(dwHash, sortedFonts)) {
sortedFonts = new CFX_FontDescriptorInfos;
MatchFonts(*sortedFonts, wCodePage, dwFontStyles,
CFX_WideString(pszFontFamily), wUnicode);
m_Hash2CandidateList.SetAt(dwHash, sortedFonts);
}
for (int32_t i = 0; i < sortedFonts->GetSize(); ++i) {
CFX_FontDescriptor* pDesc = sortedFonts->GetAt(i).pFont;
if (!VerifyUnicode(pDesc, wUnicode))
continue;
pFont = LoadFont(pDesc->m_wsFaceName, pDesc->m_nFaceIndex, nullptr);
if (!pFont)
continue;
pFont->SetLogicalFontStyle(dwFontStyles);
pFonts->Add(pFont);
return pFont;
}
if (!pszFontFamily)
m_FailedUnicodes2Nullptr.SetAt(wUnicode, nullptr);
return nullptr;
}
FX_BOOL CFGAS_FontMgrImp::VerifyUnicode(CFX_FontDescriptor* pDesc,
FX_WCHAR wcUnicode) {
IFX_FileRead* pFileRead = CreateFontStream(pDesc->m_wsFaceName.UTF8Encode());
if (!pFileRead)
return FALSE;
FXFT_Face pFace = LoadFace(pFileRead, pDesc->m_nFaceIndex);
FT_Error retCharmap = FXFT_Select_Charmap(pFace, FXFT_ENCODING_UNICODE);
FT_Error retIndex = FXFT_Get_Char_Index(pFace, wcUnicode);
pFileRead->Release();
if (!pFace)
return FALSE;
if (FXFT_Get_Face_External_Stream(pFace))
FXFT_Clear_Face_External_Stream(pFace);
FXFT_Done_Face(pFace);
return !retCharmap && retIndex;
}
FX_BOOL CFGAS_FontMgrImp::VerifyUnicode(CFGAS_GEFont* pFont,
FX_WCHAR wcUnicode) {
if (!pFont)
return FALSE;
FXFT_Face pFace = pFont->GetDevFont()->GetFace();
FXFT_CharMap charmap = FXFT_Get_Face_Charmap(pFace);
if (FXFT_Select_Charmap(pFace, FXFT_ENCODING_UNICODE) != 0)
return FALSE;
if (FXFT_Get_Char_Index(pFace, wcUnicode) == 0) {
FXFT_Set_Charmap(pFace, charmap);
return FALSE;
}
return TRUE;
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByLanguage(
uint16_t wLanguage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) {
return GetFontByCodePage(FX_GetDefCodePageByLanguage(wLanguage), dwFontStyles,
pszFontFamily);
}
CFGAS_GEFont* CFGAS_FontMgrImp::LoadFont(const CFX_WideString& wsFaceName,
int32_t iFaceIndex,
int32_t* pFaceCount) {
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();
if (!pFontMapper)
return nullptr;
IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
if (!pSystemFontInfo)
return nullptr;
IFX_FileRead* pFontStream = CreateFontStream(wsFaceName.UTF8Encode());
if (!pFontStream)
return nullptr;
if (!LoadFace(pFontStream, 0)) {
pFontStream->Release();
return nullptr;
}
CFX_Font* pInternalFont = new CFX_Font();
if (!pInternalFont->LoadFile(pFontStream, iFaceIndex)) {
pFontStream->Release();
return nullptr;
}
CFGAS_GEFont* pFont = CFGAS_GEFont::LoadFont(pInternalFont, this);
if (!pFont) {
pFontStream->Release();
return nullptr;
}
m_IFXFont2FileRead.SetAt(pFont, pFontStream);
if (pFaceCount)
*pFaceCount = pFont->GetDevFont()->GetFace()->num_faces;
return pFont;
}
extern "C" {
unsigned long _ftStreamRead(FXFT_Stream stream,
unsigned long offset,
unsigned char* buffer,
unsigned long count) {
if (count == 0)
return 0;
IFX_FileRead* pFile = (IFX_FileRead*)stream->descriptor.pointer;
int res = pFile->ReadBlock(buffer, offset, count);
if (res)
return count;
return 0;
}
void _ftStreamClose(FXFT_Stream stream) {}
}; // extern "C"
FXFT_Face CFGAS_FontMgrImp::LoadFace(IFX_FileRead* pFontStream,
int32_t iFaceIndex) {
if (!pFontStream)
return nullptr;
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
pFontMgr->InitFTLibrary();
FXFT_Library library = pFontMgr->GetFTLibrary();
if (!library)
return nullptr;
FXFT_Stream ftStream = FX_Alloc(FXFT_StreamRec, 1);
FXSYS_memset(ftStream, 0, sizeof(FXFT_StreamRec));
ftStream->base = nullptr;
ftStream->descriptor.pointer = pFontStream;
ftStream->pos = 0;
ftStream->size = (unsigned long)pFontStream->GetSize();
ftStream->read = _ftStreamRead;
ftStream->close = _ftStreamClose;
FXFT_Open_Args ftArgs;
FXSYS_memset(&ftArgs, 0, sizeof(FXFT_Open_Args));
ftArgs.flags |= FT_OPEN_STREAM;
ftArgs.stream = ftStream;
FXFT_Face pFace = nullptr;
if (FXFT_Open_Face(library, &ftArgs, iFaceIndex, &pFace)) {
FX_Free(ftStream);
return nullptr;
}
FXFT_Set_Pixel_Sizes(pFace, 0, 64);
return pFace;
}
IFX_FileRead* CFGAS_FontMgrImp::CreateFontStream(
CFX_FontMapper* pFontMapper,
IFX_SystemFontInfo* pSystemFontInfo,
uint32_t index) {
int iExact = 0;
void* hFont =
pSystemFontInfo->MapFont(0, 0, FXFONT_DEFAULT_CHARSET, 0,
pFontMapper->GetFaceName(index).c_str(), iExact);
if (!hFont)
return nullptr;
uint32_t dwFileSize = pSystemFontInfo->GetFontData(hFont, 0, nullptr, 0);
if (dwFileSize == 0)
return nullptr;
uint8_t* pBuffer = FX_Alloc(uint8_t, dwFileSize + 1);
dwFileSize = pSystemFontInfo->GetFontData(hFont, 0, pBuffer, dwFileSize);
return FX_CreateMemoryStream(pBuffer, dwFileSize, TRUE);
}
IFX_FileRead* CFGAS_FontMgrImp::CreateFontStream(
const CFX_ByteString& bsFaceName) {
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();
if (!pFontMapper)
return nullptr;
IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
if (!pSystemFontInfo)
return nullptr;
pSystemFontInfo->EnumFontList(pFontMapper);
for (int32_t i = 0; i < pFontMapper->GetFaceSize(); ++i) {
if (pFontMapper->GetFaceName(i) == bsFaceName)
return CreateFontStream(pFontMapper, pSystemFontInfo, i);
}
return nullptr;
}
int32_t CFGAS_FontMgrImp::MatchFonts(CFX_FontDescriptorInfos& MatchedFonts,
uint16_t wCodePage,
uint32_t dwFontStyles,
const CFX_WideString& FontName,
FX_WCHAR wcUnicode) {
MatchedFonts.RemoveAll();
CFX_WideString wsNormalizedFontName = FontName;
CFX_FontDescriptor* pFont = nullptr;
int32_t nCount = m_InstalledFonts.GetSize();
for (int32_t i = 0; i < nCount; i++) {
pFont = m_InstalledFonts[i];
int32_t nPenalty = CalcPenalty(pFont, wCodePage, dwFontStyles,
wsNormalizedFontName, wcUnicode);
if (nPenalty >= 0xffff)
continue;
FX_FontDescriptorInfo FontInfo;
FontInfo.pFont = pFont;
FontInfo.nPenalty = nPenalty;
MatchedFonts.Add(FontInfo);
if (MatchedFonts.GetSize() == 0xffff)
break;
}
if (MatchedFonts.GetSize() == 0)
return 0;
CFX_SSortTemplate<FX_FontDescriptorInfo> ssort;
ssort.ShellSort(MatchedFonts.GetData(), MatchedFonts.GetSize());
return MatchedFonts.GetSize();
}
struct FX_BitCodePage {
uint16_t wBit;
uint16_t wCodePage;
};
static const FX_BitCodePage g_Bit2CodePage[] = {
{0, 1252}, {1, 1250}, {2, 1251}, {3, 1253}, {4, 1254}, {5, 1255},
{6, 1256}, {7, 1257}, {8, 1258}, {9, 0}, {10, 0}, {11, 0},
{12, 0}, {13, 0}, {14, 0}, {15, 0}, {16, 874}, {17, 932},
{18, 936}, {19, 949}, {20, 950}, {21, 1361}, {22, 0}, {23, 0},
{24, 0}, {25, 0}, {26, 0}, {27, 0}, {28, 0}, {29, 0},
{30, 0}, {31, 0}, {32, 0}, {33, 0}, {34, 0}, {35, 0},
{36, 0}, {37, 0}, {38, 0}, {39, 0}, {40, 0}, {41, 0},
{42, 0}, {43, 0}, {44, 0}, {45, 0}, {46, 0}, {47, 0},
{48, 869}, {49, 866}, {50, 865}, {51, 864}, {52, 863}, {53, 862},
{54, 861}, {55, 860}, {56, 857}, {57, 855}, {58, 852}, {59, 775},
{60, 737}, {61, 708}, {62, 850}, {63, 437},
};
uint16_t FX_GetCodePageBit(uint16_t wCodePage) {
for (size_t i = 0; i < FX_ArraySize(g_Bit2CodePage); ++i) {
if (g_Bit2CodePage[i].wCodePage == wCodePage)
return g_Bit2CodePage[i].wBit;
}
return (uint16_t)-1;
}
uint16_t FX_GetUnicodeBit(FX_WCHAR wcUnicode) {
const FGAS_FONTUSB* x = FGAS_GetUnicodeBitField(wcUnicode);
return x ? x->wBitField : 999;
}
int32_t CFGAS_FontMgrImp::CalcPenalty(CFX_FontDescriptor* pInstalled,
uint16_t wCodePage,
uint32_t dwFontStyles,
const CFX_WideString& FontName,
FX_WCHAR wcUnicode) {
int32_t nPenalty = 30000;
if (0 != FontName.GetLength()) {
if (FontName != pInstalled->m_wsFaceName) {
int32_t i;
for (i = 0; i < pInstalled->m_wsFamilyNames.GetSize(); i++) {
if (pInstalled->m_wsFamilyNames[i] == FontName) {
break;
}
}
if (i == pInstalled->m_wsFamilyNames.GetSize()) {
nPenalty += 0xFFFF;
} else {
nPenalty -= 28000;
}
} else {
nPenalty -= 30000;
}
if (30000 == nPenalty &&
0 == IsPartName(pInstalled->m_wsFaceName, FontName)) {
int32_t i;
for (i = 0; i < pInstalled->m_wsFamilyNames.GetSize(); i++) {
if (0 != IsPartName(pInstalled->m_wsFamilyNames[i], FontName)) {
break;
}
}
if (i == pInstalled->m_wsFamilyNames.GetSize()) {
nPenalty += 0xFFFF;
} else {
nPenalty -= 26000;
}
} else {
nPenalty -= 27000;
}
}
uint32_t dwStyleMask = pInstalled->m_dwFontStyles ^ dwFontStyles;
if (dwStyleMask & FX_FONTSTYLE_Bold) {
nPenalty += 4500;
}
if (dwStyleMask & FX_FONTSTYLE_FixedPitch) {
nPenalty += 10000;
}
if (dwStyleMask & FX_FONTSTYLE_Italic) {
nPenalty += 10000;
}
if (dwStyleMask & FX_FONTSTYLE_Serif) {
nPenalty += 500;
}
if (dwStyleMask & FX_FONTSTYLE_Symbolic) {
nPenalty += 0xFFFF;
}
if (nPenalty >= 0xFFFF) {
return 0xFFFF;
}
uint16_t wBit =
((0 == wCodePage || 0xFFFF == wCodePage) ? (uint16_t)-1
: FX_GetCodePageBit(wCodePage));
if (wBit != (uint16_t)-1) {
ASSERT(wBit < 64);
if (0 == (pInstalled->m_dwCsb[wBit / 32] & (1 << (wBit % 32)))) {
nPenalty += 0xFFFF;
} else {
nPenalty -= 60000;
}
}
wBit =
((0 == wcUnicode || 0xFFFE == wcUnicode) ? (uint16_t)999
: FX_GetUnicodeBit(wcUnicode));
if (wBit != (uint16_t)999) {
ASSERT(wBit < 128);
if (0 == (pInstalled->m_dwUsb[wBit / 32] & (1 << (wBit % 32)))) {
nPenalty += 0xFFFF;
} else {
nPenalty -= 60000;
}
}
return nPenalty;
}
void CFGAS_FontMgrImp::ClearFontCache() {
FX_POSITION pos = m_Hash2CandidateList.GetStartPosition();
while (pos) {
uint32_t dwHash;
CFX_FontDescriptorInfos* pDescs;
m_Hash2CandidateList.GetNextAssoc(pos, dwHash, pDescs);
delete pDescs;
}
pos = m_IFXFont2FileRead.GetStartPosition();
while (pos) {
CFGAS_GEFont* pFont;
IFX_FileRead* pFileRead;
m_IFXFont2FileRead.GetNextAssoc(pos, pFont, pFileRead);
pFileRead->Release();
}
}
void CFGAS_FontMgrImp::RemoveFont(CFGAS_GEFont* pEFont) {
if (!pEFont) {
return;
}
IFX_FileRead* pFileRead;
if (m_IFXFont2FileRead.Lookup(pEFont, pFileRead)) {
pFileRead->Release();
m_IFXFont2FileRead.RemoveKey(pEFont);
}
FX_POSITION pos;
pos = m_Hash2Fonts.GetStartPosition();
while (pos) {
uint32_t dwHash;
CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts;
m_Hash2Fonts.GetNextAssoc(pos, dwHash, pFonts);
if (pFonts) {
for (int32_t i = 0; i < pFonts->GetSize(); i++) {
if (pFonts->GetAt(i) == pEFont) {
pFonts->SetAt(i, nullptr);
}
}
} else {
m_Hash2Fonts.RemoveKey(dwHash);
}
}
}
void CFGAS_FontMgrImp::RegisterFace(FXFT_Face pFace,
CFX_FontDescriptors& Fonts,
const CFX_WideString* pFaceName) {
if ((pFace->face_flags & FT_FACE_FLAG_SCALABLE) == 0)
return;
std::unique_ptr<CFX_FontDescriptor> pFont(new CFX_FontDescriptor);
pFont->m_dwFontStyles |= FXFT_Is_Face_Bold(pFace) ? FX_FONTSTYLE_Bold : 0;
pFont->m_dwFontStyles |= FXFT_Is_Face_Italic(pFace) ? FX_FONTSTYLE_Italic : 0;
pFont->m_dwFontStyles |= GetFlags(pFace);
std::vector<uint16_t> charsets = GetCharsets(pFace);
GetUSBCSB(pFace, pFont->m_dwUsb, pFont->m_dwCsb);
FT_ULong dwTag;
FT_ENC_TAG(dwTag, 'n', 'a', 'm', 'e');
std::vector<uint8_t> table;
unsigned long nLength = 0;
unsigned int error = FXFT_Load_Sfnt_Table(pFace, dwTag, 0, nullptr, &nLength);
if (error == 0 && nLength != 0) {
table.resize(nLength);
if (FXFT_Load_Sfnt_Table(pFace, dwTag, 0, table.data(), nullptr))
table.clear();
}
GetNames(table.empty() ? nullptr : table.data(), pFont->m_wsFamilyNames);
pFont->m_wsFamilyNames.Add(CFX_ByteString(pFace->family_name).UTF8Decode());
pFont->m_wsFaceName =
pFaceName ? *pFaceName
: CFX_WideString::FromLocal(FXFT_Get_Postscript_Name(pFace));
pFont->m_nFaceIndex = pFace->face_index;
Fonts.Add(pFont.release());
}
void CFGAS_FontMgrImp::RegisterFaces(IFX_FileRead* pFontStream,
const CFX_WideString* pFaceName) {
int32_t index = 0;
int32_t num_faces = 0;
do {
FXFT_Face pFace = LoadFace(pFontStream, index++);
if (!pFace)
continue;
// All faces keep number of faces. It can be retrieved from any one face.
if (num_faces == 0)
num_faces = pFace->num_faces;
RegisterFace(pFace, m_InstalledFonts, pFaceName);
if (FXFT_Get_Face_External_Stream(pFace))
FXFT_Clear_Face_External_Stream(pFace);
FXFT_Done_Face(pFace);
} while (index < num_faces);
}
uint32_t CFGAS_FontMgrImp::GetFlags(FXFT_Face pFace) {
uint32_t flag = 0;
if (FT_IS_FIXED_WIDTH(pFace)) {
flag |= FX_FONTSTYLE_FixedPitch;
}
TT_OS2* pOS2 = (TT_OS2*)FT_Get_Sfnt_Table(pFace, ft_sfnt_os2);
if (!pOS2) {
return flag;
}
if (pOS2->ulCodePageRange1 & (1 << 31)) {
flag |= FX_FONTSTYLE_Symbolic;
}
if (pOS2->panose[0] == 2) {
uint8_t uSerif = pOS2->panose[1];
if ((uSerif > 1 && uSerif < 10) || uSerif > 13) {
flag |= FX_FONTSTYLE_Serif;
}
}
return flag;
}
#define GetUInt8(p) ((uint8_t)((p)[0]))
#define GetUInt16(p) ((uint16_t)((p)[0] << 8 | (p)[1]))
#define GetUInt32(p) \
((uint32_t)((p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3]))
void CFGAS_FontMgrImp::GetNames(const uint8_t* name_table,
CFX_WideStringArray& Names) {
if (!name_table) {
return;
}
uint8_t* lpTable = (uint8_t*)name_table;
CFX_WideString wsFamily;
uint8_t* sp = lpTable + 2;
uint8_t* lpNameRecord = lpTable + 6;
uint16_t nNameCount = GetUInt16(sp);
uint8_t* lpStr = lpTable + GetUInt16(sp + 2);
for (uint16_t j = 0; j < nNameCount; j++) {
uint16_t nNameID = GetUInt16(lpNameRecord + j * 12 + 6);
if (nNameID != 1) {
continue;
}
uint16_t nPlatformID = GetUInt16(lpNameRecord + j * 12 + 0);
uint16_t nNameLength = GetUInt16(lpNameRecord + j * 12 + 8);
uint16_t nNameOffset = GetUInt16(lpNameRecord + j * 12 + 10);
wsFamily.clear();
if (nPlatformID != 1) {
for (uint16_t k = 0; k < nNameLength / 2; k++) {
FX_WCHAR wcTemp = GetUInt16(lpStr + nNameOffset + k * 2);
wsFamily += wcTemp;
}
Names.Add(wsFamily);
} else {
for (uint16_t k = 0; k < nNameLength; k++) {
FX_WCHAR wcTemp = GetUInt8(lpStr + nNameOffset + k);
wsFamily += wcTemp;
}
Names.Add(wsFamily);
}
}
}
#undef GetUInt8
#undef GetUInt16
#undef GetUInt32
struct FX_BIT2CHARSET {
uint16_t wBit;
uint16_t wCharset;
};
FX_BIT2CHARSET g_FX_Bit2Charset1[16] = {
{1 << 0, FX_CHARSET_ANSI},
{1 << 1, FX_CHARSET_MSWin_EasterEuropean},
{1 << 2, FX_CHARSET_MSWin_Cyrillic},
{1 << 3, FX_CHARSET_MSWin_Greek},
{1 << 4, FX_CHARSET_MSWin_Turkish},
{1 << 5, FX_CHARSET_MSWin_Hebrew},
{1 << 6, FX_CHARSET_MSWin_Arabic},
{1 << 7, FX_CHARSET_MSWin_Baltic},
{1 << 8, FX_CHARSET_MSWin_Vietnamese},
{1 << 9, FX_CHARSET_Default},
{1 << 10, FX_CHARSET_Default},
{1 << 11, FX_CHARSET_Default},
{1 << 12, FX_CHARSET_Default},
{1 << 13, FX_CHARSET_Default},
{1 << 14, FX_CHARSET_Default},
{1 << 15, FX_CHARSET_Default},
};
FX_BIT2CHARSET g_FX_Bit2Charset2[16] = {
{1 << 0, FX_CHARSET_Thai},
{1 << 1, FX_CHARSET_ShiftJIS},
{1 << 2, FX_CHARSET_ChineseSimplified},
{1 << 3, FX_CHARSET_Korean},
{1 << 4, FX_CHARSET_ChineseTriditional},
{1 << 5, FX_CHARSET_Johab},
{1 << 6, FX_CHARSET_Default},
{1 << 7, FX_CHARSET_Default},
{1 << 8, FX_CHARSET_Default},
{1 << 9, FX_CHARSET_Default},
{1 << 10, FX_CHARSET_Default},
{1 << 11, FX_CHARSET_Default},
{1 << 12, FX_CHARSET_Default},
{1 << 13, FX_CHARSET_Default},
{1 << 14, FX_CHARSET_OEM},
{1 << 15, FX_CHARSET_Symbol},
};
FX_BIT2CHARSET g_FX_Bit2Charset3[16] = {
{1 << 0, FX_CHARSET_Default}, {1 << 1, FX_CHARSET_Default},
{1 << 2, FX_CHARSET_Default}, {1 << 3, FX_CHARSET_Default},
{1 << 4, FX_CHARSET_Default}, {1 << 5, FX_CHARSET_Default},
{1 << 6, FX_CHARSET_Default}, {1 << 7, FX_CHARSET_Default},
{1 << 8, FX_CHARSET_Default}, {1 << 9, FX_CHARSET_Default},
{1 << 10, FX_CHARSET_Default}, {1 << 11, FX_CHARSET_Default},
{1 << 12, FX_CHARSET_Default}, {1 << 13, FX_CHARSET_Default},
{1 << 14, FX_CHARSET_Default}, {1 << 15, FX_CHARSET_Default},
};
FX_BIT2CHARSET g_FX_Bit2Charset4[16] = {
{1 << 0, FX_CHARSET_Default}, {1 << 1, FX_CHARSET_Default},
{1 << 2, FX_CHARSET_Default}, {1 << 3, FX_CHARSET_Default},
{1 << 4, FX_CHARSET_Default}, {1 << 5, FX_CHARSET_Default},
{1 << 6, FX_CHARSET_Default}, {1 << 7, FX_CHARSET_Default},
{1 << 8, FX_CHARSET_Default}, {1 << 9, FX_CHARSET_Default},
{1 << 10, FX_CHARSET_Default}, {1 << 11, FX_CHARSET_Default},
{1 << 12, FX_CHARSET_Default}, {1 << 13, FX_CHARSET_Default},
{1 << 14, FX_CHARSET_Default}, {1 << 15, FX_CHARSET_US},
};
#define CODEPAGERANGE_IMPLEMENT(n) \
for (int32_t i = 0; i < 16; i++) { \
if ((a##n & g_FX_Bit2Charset##n[i].wBit) != 0) \
charsets.push_back(g_FX_Bit2Charset##n[i].wCharset); \
}
std::vector<uint16_t> CFGAS_FontMgrImp::GetCharsets(FXFT_Face pFace) const {
std::vector<uint16_t> charsets;
TT_OS2* pOS2 = (TT_OS2*)FT_Get_Sfnt_Table(pFace, ft_sfnt_os2);
if (pOS2) {
uint16_t a1 = pOS2->ulCodePageRange1 & 0xffff;
CODEPAGERANGE_IMPLEMENT(1);
uint16_t a2 = (pOS2->ulCodePageRange1 >> 16) & 0xffff;
CODEPAGERANGE_IMPLEMENT(2);
uint16_t a3 = pOS2->ulCodePageRange2 & 0xffff;
CODEPAGERANGE_IMPLEMENT(3);
uint16_t a4 = (pOS2->ulCodePageRange2 >> 16) & 0xffff;
CODEPAGERANGE_IMPLEMENT(4);
} else {
charsets.push_back(FX_CHARSET_Default);
}
return charsets;
}
#undef CODEPAGERANGE_IMPLEMENT
void CFGAS_FontMgrImp::GetUSBCSB(FXFT_Face pFace,
uint32_t* USB,
uint32_t* CSB) {
TT_OS2* pOS2 = (TT_OS2*)FT_Get_Sfnt_Table(pFace, ft_sfnt_os2);
if (pOS2) {
USB[0] = pOS2->ulUnicodeRange1;
USB[1] = pOS2->ulUnicodeRange2;
USB[2] = pOS2->ulUnicodeRange3;
USB[3] = pOS2->ulUnicodeRange4;
CSB[0] = pOS2->ulCodePageRange1;
CSB[1] = pOS2->ulCodePageRange2;
} else {
USB[0] = 0;
USB[1] = 0;
USB[2] = 0;
USB[3] = 0;
CSB[0] = 0;
CSB[1] = 0;
}
}
int32_t CFGAS_FontMgrImp::IsPartName(const CFX_WideString& Name1,
const CFX_WideString& Name2) {
if (Name1.Find(Name2.c_str()) != -1) {
return 1;
}
return 0;
}
#endif