HRESULT PngDecoder_CreateInstance(REFIID iid, void** ppv)
{
PngDecoder *This;
HRESULT ret;
TRACE("(%s,%p)\n", debugstr_guid(iid), ppv);
*ppv = NULL;
if (!libpng_handle && !load_libpng())
{
ERR("Failed reading PNG because unable to find %s\n",SONAME_LIBPNG);
return E_FAIL;
}
This = HeapAlloc(GetProcessHeap(), 0, sizeof(PngDecoder));
if (!This) return E_OUTOFMEMORY;
This->IWICBitmapDecoder_iface.lpVtbl = &PngDecoder_Vtbl;
This->IWICBitmapFrameDecode_iface.lpVtbl = &PngDecoder_FrameVtbl;
This->IWICMetadataBlockReader_iface.lpVtbl = &PngDecoder_BlockVtbl;
This->ref = 1;
This->png_ptr = NULL;
This->info_ptr = NULL;
This->end_info = NULL;
This->initialized = FALSE;
This->image_bits = NULL;
InitializeCriticalSection(&This->lock);
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PngDecoder.lock");
ret = IWICBitmapDecoder_QueryInterface(&This->IWICBitmapDecoder_iface, iid, ppv);
IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
return ret;
}
HRESULT JpegDecoder_CreateInstance(REFIID iid, void** ppv)
{
JpegDecoder *This;
HRESULT ret;
TRACE("(%s,%p)\n", debugstr_guid(iid), ppv);
if (!libjpeg_handle && !load_libjpeg())
{
ERR("Failed reading JPEG because unable to find %s\n", SONAME_LIBJPEG);
return E_FAIL;
}
*ppv = NULL;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(JpegDecoder));
if (!This) return E_OUTOFMEMORY;
This->IWICBitmapDecoder_iface.lpVtbl = &JpegDecoder_Vtbl;
This->IWICBitmapFrameDecode_iface.lpVtbl = &JpegDecoder_Frame_Vtbl;
This->ref = 1;
This->initialized = FALSE;
This->cinfo_initialized = FALSE;
This->stream = NULL;
This->image_data = NULL;
InitializeCriticalSection(&This->lock);
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JpegDecoder.lock");
ret = IWICBitmapDecoder_QueryInterface(&This->IWICBitmapDecoder_iface, iid, ppv);
IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
return ret;
}