windowscodecs: Add a stubbed out IWICMetadataBlockReader interface.

[Vincent Povirk]

Please add a test showing that some builtin metadata handler
implements this interface.

On Thu, May 24, 2012 at 4:39 AM, Dmitry Timoshkov <dmitry at baikal.ru> wrote:
> ---
>  dlls/windowscodecs/metadatahandler.c |   69 ++++++++++++++++++++++++++++++++++
>  1 file changed, 69 insertions(+)
>
> diff --git a/dlls/windowscodecs/metadatahandler.c b/dlls/windowscodecs/metadatahandler.c
> index afcff21..ffe6763 100644
> --- a/dlls/windowscodecs/metadatahandler.c
> +++ b/dlls/windowscodecs/metadatahandler.c
> @@ -39,6 +39,7 @@ typedef struct MetadataHandler {
>     IWICMetadataWriter IWICMetadataWriter_iface;
>     LONG ref;
>     IWICPersistStream IWICPersistStream_iface;
> +    IWICMetadataBlockReader IWICMetadataBlockReader_iface;
>     const MetadataHandlerVtbl *vtable;
>     MetadataItem *items;
>     DWORD item_count;
> @@ -55,6 +56,11 @@ static inline MetadataHandler *impl_from_IWICPersistStream(IWICPersistStream *if
>     return CONTAINING_RECORD(iface, MetadataHandler, IWICPersistStream_iface);
>  }
>
> +static inline MetadataHandler *impl_from_IWICMetadataBlockReader(IWICMetadataBlockReader *iface)
> +{
> +    return CONTAINING_RECORD(iface, MetadataHandler, IWICMetadataBlockReader_iface);
> +}
> +
>  static void MetadataHandler_FreeItems(MetadataHandler *This)
>  {
>     int i;
> @@ -92,6 +98,10 @@ static HRESULT WINAPI MetadataHandler_QueryInterface(IWICMetadataWriter *iface,
>     {
>         *ppv = &This->IWICPersistStream_iface;
>     }
> +    else if (IsEqualIID(&IID_IWICMetadataBlockReader, iid))
> +    {
> +        *ppv = &This->IWICMetadataBlockReader_iface;
> +    }
>     else
>     {
>         *ppv = NULL;
> @@ -317,6 +327,64 @@ static const IWICPersistStreamVtbl MetadataHandler_PersistStream_Vtbl = {
>     MetadataHandler_SaveEx
>  };
>
> +static HRESULT WINAPI MetadataHandler_MetadataBlockReader_QueryInterface(IWICMetadataBlockReader *iface,
> +    REFIID iid, void **ppv)
> +{
> +    MetadataHandler *This = impl_from_IWICMetadataBlockReader(iface);
> +    return IWICMetadataWriter_QueryInterface(&This->IWICMetadataWriter_iface, iid, ppv);
> +}
> +
> +static ULONG WINAPI MetadataHandler_MetadataBlockReader_AddRef(IWICMetadataBlockReader *iface)
> +{
> +    MetadataHandler *This = impl_from_IWICMetadataBlockReader(iface);
> +    return IWICMetadataWriter_AddRef(&This->IWICMetadataWriter_iface);
> +}
> +
> +static ULONG WINAPI MetadataHandler_MetadataBlockReader_Release(IWICMetadataBlockReader *iface)
> +{
> +    MetadataHandler *This = impl_from_IWICMetadataBlockReader(iface);
> +    return IWICMetadataWriter_Release(&This->IWICMetadataWriter_iface);
> +}
> +
> +static HRESULT WINAPI MetadataHandler_MetadataBlockReader_GetContainerFormat(
> +        IWICMetadataBlockReader *iface, GUID *guid)
> +{
> +    FIXME("(%p,%p): stub\n", iface, guid);
> +    return E_NOTIMPL;
> +}
> +
> +static HRESULT WINAPI MetadataHandler_MetadataBlockReader_GetCount(
> +        IWICMetadataBlockReader *iface, UINT *count)
> +{
> +    FIXME("(%p,%p): stub\n", iface, count);
> +    return E_NOTIMPL;
> +}
> +
> +static HRESULT WINAPI MetadataHandler_MetadataBlockReader_GetReaderByIndex(
> +        IWICMetadataBlockReader *iface, UINT index, IWICMetadataReader **reader)
> +{
> +    FIXME("(%p,%u,%p): stub\n", iface, index, reader);
> +    return E_NOTIMPL;
> +}
> +
> +static HRESULT WINAPI MetadataHandler_MetadataBlockReader_GetEnumerator(
> +        IWICMetadataBlockReader *iface, IEnumUnknown **enum_metadata)
> +{
> +    FIXME("(%p,%p): stub\n", iface, enum_metadata);
> +    return E_NOTIMPL;
> +}
> +
> +static const IWICMetadataBlockReaderVtbl MetadataHandler_MetadataBlockReader_Vtbl =
> +{
> +    MetadataHandler_MetadataBlockReader_QueryInterface,
> +    MetadataHandler_MetadataBlockReader_AddRef,
> +    MetadataHandler_MetadataBlockReader_Release,
> +    MetadataHandler_MetadataBlockReader_GetContainerFormat,
> +    MetadataHandler_MetadataBlockReader_GetCount,
> +    MetadataHandler_MetadataBlockReader_GetReaderByIndex,
> +    MetadataHandler_MetadataBlockReader_GetEnumerator
> +};
> +
>  HRESULT MetadataReader_Create(const MetadataHandlerVtbl *vtable, IUnknown *pUnkOuter, REFIID iid, void** ppv)
>  {
>     MetadataHandler *This;
> @@ -333,6 +401,7 @@ HRESULT MetadataReader_Create(const MetadataHandlerVtbl *vtable, IUnknown *pUnkO
>
>     This->IWICMetadataWriter_iface.lpVtbl = &MetadataHandler_Vtbl;
>     This->IWICPersistStream_iface.lpVtbl = &MetadataHandler_PersistStream_Vtbl;
> +    This->IWICMetadataBlockReader_iface.lpVtbl = &MetadataHandler_MetadataBlockReader_Vtbl;
>     This->ref = 1;
>     This->vtable = vtable;
>     This->items = NULL;
> --
> 1.7.10.1
>
>
>