CFGAS_GEFont* CFGAS_FontMgr::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_SeekableReadStream* pFontStream =
CreateFontStream(wsFaceName.UTF8Encode());
if (!pFontStream)
return nullptr;
std::unique_ptr<CFX_Font> pInternalFont(new CFX_Font());
if (!pInternalFont->LoadFile(pFontStream, iFaceIndex)) {
pFontStream->Release();
return nullptr;
}
CFGAS_GEFont* pFont = CFGAS_GEFont::LoadFont(std::move(pInternalFont), this);
if (!pFont) {
pFontStream->Release();
return nullptr;
}
m_IFXFont2FileRead.SetAt(pFont, pFontStream);
if (pFaceCount)
*pFaceCount = pFont->GetDevFont()->GetFace()->num_faces;
return pFont;
}
CFGAS_GEFont* CFGAS_FontMgr::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)
return nullptr;
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;
}
FX_BOOL CFGAS_GEFont::GetCharBBoxInternal(FX_WCHAR wUnicode,
CFX_Rect& bbox,
FX_BOOL bRecursive,
FX_BOOL bCharCode) {
ASSERT(m_pRectArray);
ASSERT(m_pBBoxMap);
void* pRect = nullptr;
if (!m_pBBoxMap->Lookup((void*)(uintptr_t)wUnicode, pRect)) {
CFGAS_GEFont* pFont = nullptr;
int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode);
if (iGlyph != 0xFFFF && pFont) {
if (pFont == this) {
FX_RECT rtBBox;
if (m_pFont->GetGlyphBBox(iGlyph, rtBBox)) {
CFX_Rect rt;
rt.Set(rtBBox.left, rtBBox.top, rtBBox.Width(), rtBBox.Height());
int32_t index = m_pRectArray->Add(rt);
pRect = m_pRectArray->GetPtrAt(index);
m_pBBoxMap->SetAt((void*)(uintptr_t)wUnicode, pRect);
}
} else if (pFont->GetCharBBoxInternal(wUnicode, bbox, FALSE, bCharCode)) {
return TRUE;
}
}
}
if (!pRect)
return FALSE;
bbox = *static_cast<const CFX_Rect*>(pRect);
return TRUE;
}
FX_BOOL CFGAS_GEFont::GetCharWidthInternal(FX_WCHAR wUnicode,
int32_t& iWidth,
FX_BOOL bRecursive,
FX_BOOL bCharCode) {
ASSERT(m_pCharWidthMap);
iWidth = m_pCharWidthMap->GetAt(wUnicode, 0);
if (iWidth < 1) {
if (!m_pProvider ||
!m_pProvider->GetCharWidth(this, wUnicode, iWidth, bCharCode)) {
CFGAS_GEFont* pFont = nullptr;
int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode);
if (iGlyph != 0xFFFF && pFont) {
if (pFont == this) {
iWidth = m_pFont->GetGlyphWidth(iGlyph);
if (iWidth < 0) {
iWidth = -1;
}
} else if (pFont->GetCharWidthInternal(wUnicode, iWidth, FALSE,
bCharCode)) {
return TRUE;
}
} else {
iWidth = -1;
}
}
m_pCharWidthMap->SetAtGrow(wUnicode, (int16_t)iWidth);
} else if (iWidth == 65535) {
iWidth = -1;
}
return iWidth > 0;
}
// static
CFGAS_GEFont* CFGAS_GEFont::LoadFont(CFX_Font* pExtFont,
IFGAS_FontMgr* pFontMgr) {
CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr);
if (!pFont->LoadFontInternal(pExtFont)) {
pFont->Release();
return nullptr;
}
return pFont;
}
// static
CFGAS_GEFont* CFGAS_GEFont::LoadFont(IFX_Stream* pFontStream,
IFGAS_FontMgr* pFontMgr,
FX_BOOL bSaveStream) {
CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr);
if (!pFont->LoadFontInternal(pFontStream, bSaveStream)) {
pFont->Release();
return nullptr;
}
return pFont;
}
// static
CFGAS_GEFont* CFGAS_GEFont::LoadFont(const uint8_t* pBuffer,
int32_t iLength,
IFGAS_FontMgr* pFontMgr) {
CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr);
if (!pFont->LoadFontInternal(pBuffer, iLength)) {
pFont->Release();
return nullptr;
}
return pFont;
}
CFGAS_GEFont* CFGAS_FontMgr::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;
}
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;
}
// static
CFGAS_GEFont* CFGAS_GEFont::LoadFont(const FX_WCHAR* pszFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage,
IFGAS_FontMgr* pFontMgr) {
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
if (pFontMgr) {
return pFontMgr->GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily);
}
return nullptr;
#else
CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr);
if (!pFont->LoadFontInternal(pszFontFamily, dwFontStyles, wCodePage)) {
pFont->Release();
return nullptr;
}
return pFont;
#endif
}
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;
}
int32_t CFGAS_GEFont::GetGlyphIndex(FX_WCHAR wUnicode,
FX_BOOL bRecursive,
CFGAS_GEFont** ppFont,
FX_BOOL bCharCode) {
ASSERT(m_pFontEncoding);
int32_t iGlyphIndex = m_pFontEncoding->GlyphFromCharCode(wUnicode);
if (iGlyphIndex > 0) {
if (ppFont) {
*ppFont = this;
}
return iGlyphIndex;
}
const FGAS_FONTUSB* pFontUSB = FGAS_GetUnicodeBitField(wUnicode);
if (!pFontUSB) {
return 0xFFFF;
}
uint16_t wBitField = pFontUSB->wBitField;
if (wBitField >= 128) {
return 0xFFFF;
}
auto it = m_FontMapper.find(wUnicode);
CFGAS_GEFont* pFont = it != m_FontMapper.end() ? it->second : nullptr;
if (pFont && pFont != this) {
iGlyphIndex = pFont->GetGlyphIndex(wUnicode, FALSE, nullptr, bCharCode);
if (iGlyphIndex != 0xFFFF) {
int32_t i = m_SubstFonts.Find(pFont);
if (i > -1) {
iGlyphIndex |= ((i + 1) << 24);
if (ppFont)
*ppFont = pFont;
return iGlyphIndex;
}
}
}
if (m_pFontMgr && bRecursive) {
CFX_WideString wsFamily;
GetFamilyName(wsFamily);
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
CFGAS_GEFont* pFont = m_pFontMgr->GetDefFontByUnicode(
wUnicode, GetFontStyles(), wsFamily.c_str());
#else
CFGAS_GEFont* pFont = m_pFontMgr->GetFontByUnicode(
wUnicode, GetFontStyles(), wsFamily.c_str());
if (!pFont)
pFont = m_pFontMgr->GetFontByUnicode(wUnicode, GetFontStyles(), nullptr);
#endif
if (pFont) {
if (pFont == this) {
pFont->Release();
return 0xFFFF;
}
m_FontMapper[wUnicode] = pFont;
int32_t i = m_SubstFonts.GetSize();
m_SubstFonts.Add(pFont);
iGlyphIndex = pFont->GetGlyphIndex(wUnicode, FALSE, nullptr, bCharCode);
if (iGlyphIndex != 0xFFFF) {
iGlyphIndex |= ((i + 1) << 24);
if (ppFont)
*ppFont = pFont;
return iGlyphIndex;
}
}
}
return 0xFFFF;
}
