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;
}
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_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;
}
