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windowscodecs: Implement GetFrame for the JPEG decoder.

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Vincent Povirk 2009-08-24 12:23:34 -05:00 committed by Alexandre Julliard
parent 4185c0d9fe
commit 5ef3b51756
1 changed files with 123 additions and 2 deletions
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125
dlls/windowscodecs/jpegformat.c
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@ -91,6 +91,7 @@ static void *load_libjpeg(void)
typedef struct {
const IWICBitmapDecoderVtbl *lpVtbl;
const IWICBitmapFrameDecodeVtbl *lpFrameVtbl;
LONG ref;
BOOL initialized;
BOOL cinfo_initialized;
@ -106,6 +107,11 @@ static inline JpegDecoder *decoder_from_decompress(j_decompress_ptr decompress)
return CONTAINING_RECORD(decompress, JpegDecoder, cinfo);
}
static inline JpegDecoder *decoder_from_frame(IWICBitmapFrameDecode *iface)
{
return CONTAINING_RECORD(iface, JpegDecoder, lpFrameVtbl);
}
static HRESULT WINAPI JpegDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
void **ppv)
{
@ -318,8 +324,17 @@ static HRESULT WINAPI JpegDecoder_GetFrameCount(IWICBitmapDecoder *iface,
static HRESULT WINAPI JpegDecoder_GetFrame(IWICBitmapDecoder *iface,
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
{
FIXME("(%p,%u,%p): stub\n", iface, index, ppIBitmapFrame);
return E_NOTIMPL;
JpegDecoder *This = (JpegDecoder*)iface;
TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
if (!This->initialized) return WINCODEC_ERR_NOTINITIALIZED;
if (index != 0) return E_INVALIDARG;
IWICBitmapDecoder_AddRef(iface);
*ppIBitmapFrame = (IWICBitmapFrameDecode*)&This->lpFrameVtbl;
return S_OK;
}
static const IWICBitmapDecoderVtbl JpegDecoder_Vtbl = {
@ -339,6 +354,111 @@ static const IWICBitmapDecoderVtbl JpegDecoder_Vtbl = {
JpegDecoder_GetFrame
};
static HRESULT WINAPI JpegDecoder_Frame_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
void **ppv)
{
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 = iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI JpegDecoder_Frame_AddRef(IWICBitmapFrameDecode *iface)
{
JpegDecoder *This = decoder_from_frame(iface);
return IUnknown_AddRef((IUnknown*)This);
}
static ULONG WINAPI JpegDecoder_Frame_Release(IWICBitmapFrameDecode *iface)
{
JpegDecoder *This = decoder_from_frame(iface);
return IUnknown_Release((IUnknown*)This);
}
static HRESULT WINAPI JpegDecoder_Frame_GetSize(IWICBitmapFrameDecode *iface,
UINT *puiWidth, UINT *puiHeight)
{
FIXME("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_Frame_GetPixelFormat(IWICBitmapFrameDecode *iface,
WICPixelFormatGUID *pPixelFormat)
{
FIXME("(%p,%p)\n", iface, pPixelFormat);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_Frame_GetResolution(IWICBitmapFrameDecode *iface,
double *pDpiX, double *pDpiY)
{
FIXME("(%p,%p,%p): stub\n", iface, pDpiX, pDpiY);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_Frame_CopyPalette(IWICBitmapFrameDecode *iface,
IWICPalette *pIPalette)
{
FIXME("(%p,%p): stub\n", iface, pIPalette);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_Frame_CopyPixels(IWICBitmapFrameDecode *iface,
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
{
FIXME("(%p,%p,%u,%u,%p): stub\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
return E_NOTIMPL;
}
static HRESULT WINAPI JpegDecoder_Frame_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
IWICMetadataQueryReader **ppIMetadataQueryReader)
{
FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI JpegDecoder_Frame_GetColorContexts(IWICBitmapFrameDecode *iface,
UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
{
FIXME("(%p,%u,%p,%p): stub\n", iface, cCount, ppIColorContexts, pcActualCount);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI JpegDecoder_Frame_GetThumbnail(IWICBitmapFrameDecode *iface,
IWICBitmapSource **ppIThumbnail)
{
FIXME("(%p,%p): stub\n", iface, ppIThumbnail);
return WINCODEC_ERR_CODECNOTHUMBNAIL;
}
static const IWICBitmapFrameDecodeVtbl JpegDecoder_Frame_Vtbl = {
JpegDecoder_Frame_QueryInterface,
JpegDecoder_Frame_AddRef,
JpegDecoder_Frame_Release,
JpegDecoder_Frame_GetSize,
JpegDecoder_Frame_GetPixelFormat,
JpegDecoder_Frame_GetResolution,
JpegDecoder_Frame_CopyPalette,
JpegDecoder_Frame_CopyPixels,
JpegDecoder_Frame_GetMetadataQueryReader,
JpegDecoder_Frame_GetColorContexts,
JpegDecoder_Frame_GetThumbnail
};
HRESULT JpegDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
JpegDecoder *This;
@ -360,6 +480,7 @@ HRESULT JpegDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &JpegDecoder_Vtbl;
This->lpFrameVtbl = &JpegDecoder_Frame_Vtbl;
This->ref = 1;
This->initialized = FALSE;
This->cinfo_initialized = FALSE;