windowscodecs: Reimplement QueryCapability of the BMP decoder.

This commit is contained in:
Dmitry Timoshkov 2012-11-23 11:48:04 +08:00 committed by Alexandre Julliard
parent afd1ddbe0d
commit eb26db27a7

View file

@ -1010,22 +1010,20 @@ static ULONG WINAPI BmpDecoder_Release(IWICBitmapDecoder *iface)
return ref;
}
static HRESULT WINAPI BmpDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
DWORD *pdwCapability)
static HRESULT WINAPI BmpDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *stream,
DWORD *capability)
{
HRESULT hr;
BmpDecoder *This = impl_from_IWICBitmapDecoder(iface);
EnterCriticalSection(&This->lock);
hr = BmpDecoder_ReadHeaders(This, pIStream);
LeaveCriticalSection(&This->lock);
if (FAILED(hr)) return hr;
TRACE("(%p,%p,%p)\n", iface, stream, capability);
if (This->read_data_func == BmpFrameDecode_ReadUnsupported)
*pdwCapability = 0;
else
*pdwCapability = WICBitmapDecoderCapabilityCanDecodeAllImages;
if (!stream || !capability) return E_INVALIDARG;
hr = IWICBitmapDecoder_Initialize(iface, stream, WICDecodeMetadataCacheOnDemand);
if (hr != S_OK) return hr;
*capability = This->read_data_func == BmpFrameDecode_ReadUnsupported ? 0 : WICBitmapDecoderCapabilityCanDecodeAllImages;
return S_OK;
}