windowscodecs: Implement QueryCapability for BMP decoder.

This commit is contained in:
Vincent Povirk 2009-07-01 16:03:37 -05:00 committed by Alexandre Julliard
parent 5b7de464ca
commit 2322254c83
2 changed files with 22 additions and 7 deletions

View File

@ -329,9 +329,14 @@ static HRESULT BmpDecoder_ReadHeaders(BmpDecoder* This, IStream *stream)
{ {
HRESULT hr; HRESULT hr;
ULONG bytestoread, bytesread; ULONG bytestoread, bytesread;
LARGE_INTEGER seek;
if (This->initialized) return WINCODEC_ERR_WRONGSTATE; if (This->initialized) return WINCODEC_ERR_WRONGSTATE;
seek.QuadPart = 0;
hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
if (FAILED(hr)) return hr;
hr = IStream_Read(stream, &This->bfh, sizeof(BITMAPFILEHEADER), &bytesread); hr = IStream_Read(stream, &This->bfh, sizeof(BITMAPFILEHEADER), &bytesread);
if (FAILED(hr)) return hr; if (FAILED(hr)) return hr;
if (bytesread != sizeof(BITMAPFILEHEADER) || if (bytesread != sizeof(BITMAPFILEHEADER) ||
@ -483,8 +488,18 @@ static ULONG WINAPI BmpDecoder_Release(IWICBitmapDecoder *iface)
static HRESULT WINAPI BmpDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream, static HRESULT WINAPI BmpDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
DWORD *pdwCapability) DWORD *pdwCapability)
{ {
FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability); HRESULT hr;
return E_NOTIMPL; BmpDecoder *This = (BmpDecoder*)iface;
hr = BmpDecoder_ReadHeaders(This, pIStream);
if (FAILED(hr)) return hr;
if (This->read_data_func == BmpFrameDecode_ReadUnsupported)
*pdwCapability = 0;
else
*pdwCapability = WICBitmapDecoderCapabilityCanDecodeAllImages;
return S_OK;
} }
static HRESULT WINAPI BmpDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream, static HRESULT WINAPI BmpDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,

View File

@ -157,7 +157,7 @@ static void test_decode_24bpp(void)
/* cannot querycapability after initialize */ /* cannot querycapability after initialize */
hr = IWICBitmapDecoder_QueryCapability(decoder, bmpstream, &capability); hr = IWICBitmapDecoder_QueryCapability(decoder, bmpstream, &capability);
todo_wine ok(hr == WINCODEC_ERR_WRONGSTATE, "expected WINCODEC_ERR_WRONGSTATE, hr=%x\n", hr); ok(hr == WINCODEC_ERR_WRONGSTATE, "expected WINCODEC_ERR_WRONGSTATE, hr=%x\n", hr);
hr = CoCreateInstance(&CLSID_WICBmpDecoder, NULL, CLSCTX_INPROC_SERVER, hr = CoCreateInstance(&CLSID_WICBmpDecoder, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICBitmapDecoder, (void**)&decoder2); &IID_IWICBitmapDecoder, (void**)&decoder2);
@ -165,17 +165,17 @@ static void test_decode_24bpp(void)
if (SUCCEEDED(hr)) if (SUCCEEDED(hr))
{ {
hr = IWICBitmapDecoder_QueryCapability(decoder2, bmpstream, &capability); hr = IWICBitmapDecoder_QueryCapability(decoder2, bmpstream, &capability);
todo_wine ok(hr == S_OK, "QueryCapability failed, hr=%x\n", hr); ok(hr == S_OK, "QueryCapability failed, hr=%x\n", hr);
todo_wine ok(capability == (WICBitmapDecoderCapabilityCanDecodeAllImages), ok(capability == (WICBitmapDecoderCapabilityCanDecodeAllImages),
"unexpected capabilities: %x\n", capability); "unexpected capabilities: %x\n", capability);
/* cannot initialize after querycapability */ /* cannot initialize after querycapability */
hr = IWICBitmapDecoder_Initialize(decoder2, bmpstream, WICDecodeMetadataCacheOnLoad); hr = IWICBitmapDecoder_Initialize(decoder2, bmpstream, WICDecodeMetadataCacheOnLoad);
todo_wine ok(hr == WINCODEC_ERR_WRONGSTATE, "expected WINCODEC_ERR_WRONGSTATE, hr=%x\n", hr); ok(hr == WINCODEC_ERR_WRONGSTATE, "expected WINCODEC_ERR_WRONGSTATE, hr=%x\n", hr);
/* cannot querycapability twice */ /* cannot querycapability twice */
hr = IWICBitmapDecoder_QueryCapability(decoder2, bmpstream, &capability); hr = IWICBitmapDecoder_QueryCapability(decoder2, bmpstream, &capability);
todo_wine ok(hr == WINCODEC_ERR_WRONGSTATE, "expected WINCODEC_ERR_WRONGSTATE, hr=%x\n", hr); ok(hr == WINCODEC_ERR_WRONGSTATE, "expected WINCODEC_ERR_WRONGSTATE, hr=%x\n", hr);
} }
IStream_Release(bmpstream); IStream_Release(bmpstream);