windowscodecs: Implement GetFrameCount and GetFrame for the ICO decoder.
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dd5c5b8277
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c49b36ea31
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@ -63,6 +63,133 @@ typedef struct {
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ICONHEADER header;
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ICONHEADER header;
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} IcoDecoder;
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} IcoDecoder;
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typedef struct {
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const IWICBitmapFrameDecodeVtbl *lpVtbl;
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LONG ref;
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ICONDIRENTRY entry;
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IcoDecoder *parent;
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} IcoFrameDecode;
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static HRESULT WINAPI IcoFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
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void **ppv)
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{
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IcoFrameDecode *This = (IcoFrameDecode*)iface;
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TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(&IID_IUnknown, iid) ||
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IsEqualIID(&IID_IWICBitmapSource, iid) ||
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IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
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{
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*ppv = This;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI IcoFrameDecode_AddRef(IWICBitmapFrameDecode *iface)
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{
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IcoFrameDecode *This = (IcoFrameDecode*)iface;
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI IcoFrameDecode_Release(IWICBitmapFrameDecode *iface)
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{
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IcoFrameDecode *This = (IcoFrameDecode*)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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if (ref == 0)
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{
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IUnknown_Release((IUnknown*)This->parent);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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static HRESULT WINAPI IcoFrameDecode_GetSize(IWICBitmapFrameDecode *iface,
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UINT *puiWidth, UINT *puiHeight)
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{
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FIXME("(%p,%p,%p): stub\n", iface, puiWidth, puiHeight);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IcoFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface,
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WICPixelFormatGUID *pPixelFormat)
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{
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memcpy(pPixelFormat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
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return S_OK;
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}
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static HRESULT WINAPI IcoFrameDecode_GetResolution(IWICBitmapFrameDecode *iface,
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double *pDpiX, double *pDpiY)
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{
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FIXME("(%p,%p,%p): stub\n", iface, pDpiX, pDpiY);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IcoFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
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IWICPalette *pIPalette)
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{
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TRACE("(%p,%p)\n", iface, pIPalette);
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return WINCODEC_ERR_PALETTEUNAVAILABLE;
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}
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static HRESULT WINAPI IcoFrameDecode_CopyPixels(IWICBitmapFrameDecode *iface,
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const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
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{
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FIXME("(%p,%p,%u,%u,%p): stub\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IcoFrameDecode_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
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IWICMetadataQueryReader **ppIMetadataQueryReader)
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{
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TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader);
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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}
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static HRESULT WINAPI IcoFrameDecode_GetColorContexts(IWICBitmapFrameDecode *iface,
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UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
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{
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TRACE("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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}
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static HRESULT WINAPI IcoFrameDecode_GetThumbnail(IWICBitmapFrameDecode *iface,
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IWICBitmapSource **ppIThumbnail)
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{
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TRACE("(%p,%p)\n", iface, ppIThumbnail);
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return WINCODEC_ERR_CODECNOTHUMBNAIL;
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}
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static const IWICBitmapFrameDecodeVtbl IcoFrameDecode_Vtbl = {
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IcoFrameDecode_QueryInterface,
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IcoFrameDecode_AddRef,
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IcoFrameDecode_Release,
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IcoFrameDecode_GetSize,
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IcoFrameDecode_GetPixelFormat,
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IcoFrameDecode_GetResolution,
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IcoFrameDecode_CopyPalette,
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IcoFrameDecode_CopyPixels,
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IcoFrameDecode_GetMetadataQueryReader,
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IcoFrameDecode_GetColorContexts,
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IcoFrameDecode_GetThumbnail
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};
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static HRESULT WINAPI IcoDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
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static HRESULT WINAPI IcoDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
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void **ppv)
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void **ppv)
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{
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{
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@ -198,15 +325,57 @@ static HRESULT WINAPI IcoDecoder_GetThumbnail(IWICBitmapDecoder *iface,
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static HRESULT WINAPI IcoDecoder_GetFrameCount(IWICBitmapDecoder *iface,
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static HRESULT WINAPI IcoDecoder_GetFrameCount(IWICBitmapDecoder *iface,
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UINT *pCount)
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UINT *pCount)
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{
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{
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FIXME("(%p,%p): stub\n", iface, pCount);
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IcoDecoder *This = (IcoDecoder*)iface;
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return E_NOTIMPL;
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TRACE("(%p,%p)\n", iface, pCount);
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if (!This->initialized) return WINCODEC_ERR_NOTINITIALIZED;
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*pCount = This->header.idCount;
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TRACE("<-- %u\n", *pCount);
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return S_OK;
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}
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}
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static HRESULT WINAPI IcoDecoder_GetFrame(IWICBitmapDecoder *iface,
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static HRESULT WINAPI IcoDecoder_GetFrame(IWICBitmapDecoder *iface,
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UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
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UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
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{
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{
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FIXME("(%p,%u,%p): stub\n", iface, index, ppIBitmapFrame);
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IcoDecoder *This = (IcoDecoder*)iface;
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return E_NOTIMPL;
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IcoFrameDecode *result;
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LARGE_INTEGER seek;
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HRESULT hr;
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ULONG bytesread;
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TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
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if (!This->initialized) return WINCODEC_ERR_NOTINITIALIZED;
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if (This->header.idCount < index) return E_INVALIDARG;
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result = HeapAlloc(GetProcessHeap(), 0, sizeof(IcoFrameDecode));
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if (!result) return E_OUTOFMEMORY;
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result->lpVtbl = &IcoFrameDecode_Vtbl;
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result->ref = 1;
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result->parent = This;
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/* read the icon entry */
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seek.QuadPart = sizeof(ICONHEADER) + sizeof(ICONDIRENTRY) * index;
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hr = IStream_Seek(This->stream, seek, STREAM_SEEK_SET, 0);
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if (FAILED(hr)) goto fail;
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hr = IStream_Read(This->stream, &result->entry, sizeof(ICONDIRENTRY), &bytesread);
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if (FAILED(hr) || bytesread != sizeof(ICONDIRENTRY)) goto fail;
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IWICBitmapDecoder_AddRef(iface);
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*ppIBitmapFrame = (IWICBitmapFrameDecode*)result;
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return S_OK;
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fail:
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HeapFree(GetProcessHeap(), 0, result);
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if (SUCCEEDED(hr)) hr = E_FAIL;
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TRACE("<-- %x\n", hr);
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return hr;
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}
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}
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static const IWICBitmapDecoderVtbl IcoDecoder_Vtbl = {
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static const IWICBitmapDecoderVtbl IcoDecoder_Vtbl = {
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