diff --git a/dlls/windowscodecs/ddsformat.c b/dlls/windowscodecs/ddsformat.c index 19d5dd5a3f0..212eedc7a2a 100644 --- a/dlls/windowscodecs/ddsformat.c +++ b/dlls/windowscodecs/ddsformat.c @@ -94,6 +94,11 @@ typedef struct DdsDecoder { DDS_HEADER_DXT10 header_dxt10; } DdsDecoder; +typedef struct DdsFrameDecode { + IWICBitmapFrameDecode IWICBitmapFrameDecode_iface; + LONG ref; +} DdsFrameDecode; + static inline BOOL has_extended_header(DDS_HEADER *header) { return (header->ddspf.flags & DDPF_FOURCC) && @@ -105,6 +110,146 @@ static inline DdsDecoder *impl_from_IWICBitmapDecoder(IWICBitmapDecoder *iface) return CONTAINING_RECORD(iface, DdsDecoder, IWICBitmapDecoder_iface); } +static inline DdsFrameDecode *impl_from_IWICBitmapFrameDecode(IWICBitmapFrameDecode *iface) +{ + return CONTAINING_RECORD(iface, DdsFrameDecode, IWICBitmapFrameDecode_iface); +} + +static HRESULT WINAPI DdsFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid, + void **ppv) +{ + DdsFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface); + TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv); + + if (!ppv) return E_INVALIDARG; + + if (IsEqualIID(&IID_IUnknown, iid) || + IsEqualIID(&IID_IWICBitmapSource, iid) || + IsEqualIID(&IID_IWICBitmapFrameDecode, iid)) { + *ppv = &This->IWICBitmapFrameDecode_iface; + } else { + *ppv = NULL; + return E_NOINTERFACE; + } + + IUnknown_AddRef((IUnknown*)*ppv); + return S_OK; +} + +static ULONG WINAPI DdsFrameDecode_AddRef(IWICBitmapFrameDecode *iface) +{ + DdsFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface); + ULONG ref = InterlockedIncrement(&This->ref); + + TRACE("(%p) refcount=%u\n", iface, ref); + + return ref; +} + +static ULONG WINAPI DdsFrameDecode_Release(IWICBitmapFrameDecode *iface) +{ + DdsFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface); + ULONG ref = InterlockedDecrement(&This->ref); + + TRACE("(%p) refcount=%u\n", iface, ref); + + if (ref == 0) HeapFree(GetProcessHeap(), 0, This); + + return ref; +} + +static HRESULT WINAPI DdsFrameDecode_GetSize(IWICBitmapFrameDecode *iface, + UINT *puiWidth, UINT *puiHeight) +{ + FIXME("(%p,%p,%p): stub.\n", iface, puiWidth, puiHeight); + + return E_NOTIMPL; +} + +static HRESULT WINAPI DdsFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface, + WICPixelFormatGUID *pPixelFormat) +{ + FIXME("(%p,%p): stub.\n", iface, pPixelFormat); + + return E_NOTIMPL; +} + +static HRESULT WINAPI DdsFrameDecode_GetResolution(IWICBitmapFrameDecode *iface, + double *pDpiX, double *pDpiY) +{ + FIXME("(%p,%p,%p): stub.\n", iface, pDpiX, pDpiY); + + return E_NOTIMPL; +} + +static HRESULT WINAPI DdsFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface, + IWICPalette *pIPalette) +{ + FIXME("(%p,%p): stub.\n", iface, pIPalette); + + return E_NOTIMPL; +} + +static HRESULT WINAPI DdsFrameDecode_CopyPixels(IWICBitmapFrameDecode *iface, + const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer) +{ + FIXME("(%p,%s,%u,%u,%p): stub.\n", iface, debug_wic_rect(prc), cbStride, cbBufferSize, pbBuffer); + + return E_NOTIMPL; +} + +static HRESULT WINAPI DdsFrameDecode_GetMetadataQueryReader(IWICBitmapFrameDecode *iface, + IWICMetadataQueryReader **ppIMetadataQueryReader) +{ + FIXME("(%p,%p): stub.\n", iface, ppIMetadataQueryReader); + + return E_NOTIMPL; +} + +static HRESULT WINAPI DdsFrameDecode_GetColorContexts(IWICBitmapFrameDecode *iface, + UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount) +{ + FIXME("(%p,%u,%p,%p): stub.\n", iface, cCount, ppIColorContexts, pcActualCount); + + return E_NOTIMPL; +} + +static HRESULT WINAPI DdsFrameDecode_GetThumbnail(IWICBitmapFrameDecode *iface, + IWICBitmapSource **ppIThumbnail) +{ + FIXME("(%p,%p): stub.\n", iface, ppIThumbnail); + + return E_NOTIMPL; +} + +static const IWICBitmapFrameDecodeVtbl DdsFrameDecode_Vtbl = { + DdsFrameDecode_QueryInterface, + DdsFrameDecode_AddRef, + DdsFrameDecode_Release, + DdsFrameDecode_GetSize, + DdsFrameDecode_GetPixelFormat, + DdsFrameDecode_GetResolution, + DdsFrameDecode_CopyPalette, + DdsFrameDecode_CopyPixels, + DdsFrameDecode_GetMetadataQueryReader, + DdsFrameDecode_GetColorContexts, + DdsFrameDecode_GetThumbnail +}; + +static HRESULT DdsFrameDecode_CreateInstance(DdsFrameDecode **frame_decode) +{ + DdsFrameDecode *result; + + result = HeapAlloc(GetProcessHeap(), 0, sizeof(*result)); + if (!result) return E_OUTOFMEMORY; + + result->IWICBitmapFrameDecode_iface.lpVtbl = &DdsFrameDecode_Vtbl; + result->ref = 1; + + *frame_decode = result; + return S_OK; +} + static HRESULT WINAPI DdsDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid, void **ppv) { @@ -325,9 +470,15 @@ static HRESULT WINAPI DdsDecoder_GetFrameCount(IWICBitmapDecoder *iface, static HRESULT WINAPI DdsDecoder_GetFrame(IWICBitmapDecoder *iface, UINT index, IWICBitmapFrameDecode **ppIBitmapFrame) { - FIXME("(%p,%u,%p): stub.\n", iface, index, ppIBitmapFrame); + HRESULT hr; + DdsFrameDecode *frame_decode; - return E_NOTIMPL; + FIXME("(%p,%u,%p)\n", iface, index, ppIBitmapFrame); + + hr = DdsFrameDecode_CreateInstance(&frame_decode); + if (hr == S_OK) *ppIBitmapFrame = &frame_decode->IWICBitmapFrameDecode_iface; + + return hr; } static const IWICBitmapDecoderVtbl DdsDecoder_Vtbl = {