virtual HRESULT STDMETHODCALLTYPE CreateCustomFontCollection(
IDWriteFontCollectionLoader* collectionLoader,
void const* collectionKey,
UINT32 collectionKeySize,
IDWriteFontCollection** fontCollection
)
{
return orig_this->CreateCustomFontCollection(collectionLoader, collectionKey, collectionKeySize, fontCollection);
}
delegate_dwritefactory(IDWriteFactory *inst) : refnum(0), orig_this(inst), mycoll(nullptr)
{
OutputDebugString("delegate_dwritefactory::delegate_dwritefactory");
InitializeCriticalSection(&collcs);
fontfile_collection_loader &loader = fontfile_collection_loader::get_instance();
if (SUCCEEDED(orig_this->RegisterFontCollectionLoader(&loader))) {
EnterCriticalSection(&fontpathscs);
orig_this->CreateCustomFontCollection(&loader, nullptr, 0, &mycoll);
LeaveCriticalSection(&fontpathscs);
}
factories.insert(this);
}
void update_font_collection()
{
fontfile_collection_loader &loader = fontfile_collection_loader::get_instance();
EnterCriticalSection(&collcs);
EnterCriticalSection(&fontpathscs);
IDWriteFontCollection* coll;
if (SUCCEEDED(orig_this->CreateCustomFontCollection(&loader, nullptr, 0, &coll))) {
InterlockedExchangePointer((void**)&mycoll, coll);
iunknown_release(coll);
}
LeaveCriticalSection(&fontpathscs);
LeaveCriticalSection(&collcs);
}