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windowscodecs: Implement GetFrame for BMP decoder.

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This commit is contained in:
Vincent Povirk 2009-06-13 17:32:16 -05:00 committed by Alexandre Julliard
parent 0caec83215
commit eca8ef6924
1 changed files with 154 additions and 2 deletions
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156
dlls/windowscodecs/bmpdecode.c
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@ -58,6 +58,134 @@ typedef struct {
DWORD bc2AppData;
} BITMAPCOREHEADER2;
typedef struct {
const IWICBitmapFrameDecodeVtbl *lpVtbl;
LONG ref;
IStream *stream;
BITMAPFILEHEADER bfh;
BITMAPV5HEADER bih;
} BmpFrameDecode;
HRESULT WINAPI BmpFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
void **ppv)
{
BmpFrameDecode *This = (BmpFrameDecode*)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;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI BmpFrameDecode_AddRef(IWICBitmapFrameDecode *iface)
{
BmpFrameDecode *This = (BmpFrameDecode*)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI BmpFrameDecode_Release(IWICBitmapFrameDecode *iface)
{
BmpFrameDecode *This = (BmpFrameDecode*)iface;
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
IStream_Release(This->stream);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI BmpFrameDecode_GetSize(IWICBitmapFrameDecode *iface,
UINT *puiWidth, UINT *puiHeight)
{
FIXME("(%p,%p,%p): stub\n", iface, puiWidth, puiHeight);
return E_NOTIMPL;
}
static HRESULT WINAPI BmpFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface,
WICPixelFormatGUID *pPixelFormat)
{
FIXME("(%p,%p): stub\n", iface, pPixelFormat);
return E_NOTIMPL;
}
static HRESULT WINAPI BmpFrameDecode_GetResolution(IWICBitmapFrameDecode *iface,
double *pDpiX, double *pDpiY)
{
FIXME("(%p,%p,%p): stub\n", iface, pDpiX, pDpiY);
return E_NOTIMPL;
}
static HRESULT WINAPI BmpFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
IWICPalette *pIPalette)
{
FIXME("(%p,%p): stub\n", iface, pIPalette);
return E_NOTIMPL;
}
static HRESULT WINAPI BmpFrameDecode_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 BmpFrameDecode_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
IWICMetadataQueryReader **ppIMetadataQueryReader)
{
FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
return E_NOTIMPL;
}
static HRESULT WINAPI BmpFrameDecode_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 BmpFrameDecode_GetThumbnail(IWICBitmapFrameDecode *iface,
IWICBitmapSource **ppIThumbnail)
{
FIXME("(%p,%p): stub\n", iface, ppIThumbnail);
return E_NOTIMPL;
}
static const IWICBitmapFrameDecodeVtbl BmpFrameDecode_Vtbl = {
BmpFrameDecode_QueryInterface,
BmpFrameDecode_AddRef,
BmpFrameDecode_Release,
BmpFrameDecode_GetSize,
BmpFrameDecode_GetPixelFormat,
BmpFrameDecode_GetResolution,
BmpFrameDecode_CopyPalette,
BmpFrameDecode_CopyPixels,
BmpFrameDecode_GetMetadataQueryReader,
BmpFrameDecode_GetColorContexts,
BmpFrameDecode_GetThumbnail
};
typedef struct {
const IWICBitmapDecoderVtbl *lpVtbl;
LONG ref;
@ -65,6 +193,7 @@ typedef struct {
IStream *stream;
BITMAPFILEHEADER bfh;
BITMAPV5HEADER bih;
BmpFrameDecode *framedecode;
} BmpDecoder;
static HRESULT BmpDecoder_ReadHeaders(BmpDecoder* This, IStream *stream)
@ -140,6 +269,7 @@ static ULONG WINAPI BmpDecoder_Release(IWICBitmapDecoder *iface)
if (ref == 0)
{
if (This->stream) IStream_Release(This->stream);
if (This->framedecode) IUnknown_Release((IUnknown*)This->framedecode);
HeapFree(GetProcessHeap(), 0, This);
}
@ -229,8 +359,29 @@ static HRESULT WINAPI BmpDecoder_GetFrameCount(IWICBitmapDecoder *iface,
static HRESULT WINAPI BmpDecoder_GetFrame(IWICBitmapDecoder *iface,
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
{
FIXME("(%p,%u,%p): stub\n", iface, index, ppIBitmapFrame);
return E_NOTIMPL;
BmpDecoder *This = (BmpDecoder*)iface;
if (index != 0) return E_INVALIDARG;
if (!This->stream) return WINCODEC_ERR_WRONGSTATE;
if (!This->framedecode)
{
This->framedecode = HeapAlloc(GetProcessHeap(), 0, sizeof(BmpFrameDecode));
if (!This->framedecode) return E_OUTOFMEMORY;
This->framedecode->lpVtbl = &BmpFrameDecode_Vtbl;
This->framedecode->ref = 1;
This->framedecode->stream = This->stream;
IStream_AddRef(This->stream);
This->framedecode->bfh = This->bfh;
This->framedecode->bih = This->bih;
}
*ppIBitmapFrame = (IWICBitmapFrameDecode*)This->framedecode;
IWICBitmapFrameDecode_AddRef((IWICBitmapFrameDecode*)This->framedecode);
return S_OK;
}
static const IWICBitmapDecoderVtbl BmpDecoder_Vtbl = {
@ -268,6 +419,7 @@ HRESULT BmpDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
This->ref = 1;
This->initialized = FALSE;
This->stream = NULL;
This->framedecode = NULL;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);