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_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;
}