windowscodecs: Implement QueryCapability of the PNG decoder.

This commit is contained in:
Dmitry Timoshkov 2012-11-23 11:50:05 +08:00 committed by Alexandre Julliard
parent 5285756f93
commit 92d445bcca
1 changed files with 15 additions and 4 deletions

View File

@ -351,11 +351,22 @@ static ULONG WINAPI PngDecoder_Release(IWICBitmapDecoder *iface)
return ref;
}
static HRESULT WINAPI PngDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
DWORD *pdwCapability)
static HRESULT WINAPI PngDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *stream,
DWORD *capability)
{
FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability);
return E_NOTIMPL;
HRESULT hr;
TRACE("(%p,%p,%p)\n", iface, stream, capability);
if (!stream || !capability) return E_INVALIDARG;
hr = IWICBitmapDecoder_Initialize(iface, stream, WICDecodeMetadataCacheOnDemand);
if (hr != S_OK) return hr;
*capability = WICBitmapDecoderCapabilityCanDecodeAllImages |
WICBitmapDecoderCapabilityCanDecodeSomeImages;
/* FIXME: WICBitmapDecoderCapabilityCanEnumerateMetadata */
return S_OK;
}
static void user_read_data(png_structp png_ptr, png_bytep data, png_size_t length)