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windowscodecs: Add stub PNG encoder.

This commit is contained in:
Vincent Povirk 2009-09-23 13:54:39 -05:00 committed by Alexandre Julliard
parent 7833b68aca
commit 60d1be1326
4 changed files with 178 additions and 0 deletions
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1
dlls/windowscodecs/clsfactory.c
View File

@ -45,6 +45,7 @@ static classinfo wic_classes[] = {
{&CLSID_WICImagingFactory, ImagingFactory_CreateInstance},
{&CLSID_WICBmpDecoder, BmpDecoder_CreateInstance},
{&CLSID_WICPngDecoder, PngDecoder_CreateInstance},
{&CLSID_WICPngEncoder, PngEncoder_CreateInstance},
{&CLSID_WICBmpEncoder, BmpEncoder_CreateInstance},
{&CLSID_WICGifDecoder, GifDecoder_CreateInstance},
{&CLSID_WICIcoDecoder, IcoDecoder_CreateInstance},

170
dlls/windowscodecs/pngformat.c
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@ -659,6 +659,170 @@ HRESULT PngDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
return ret;
}
typedef struct PngEncoder {
const IWICBitmapEncoderVtbl *lpVtbl;
LONG ref;
} PngEncoder;
static HRESULT WINAPI PngEncoder_QueryInterface(IWICBitmapEncoder *iface, REFIID iid,
void **ppv)
{
PngEncoder *This = (PngEncoder*)iface;
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICBitmapEncoder, iid))
{
*ppv = This;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI PngEncoder_AddRef(IWICBitmapEncoder *iface)
{
PngEncoder *This = (PngEncoder*)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI PngEncoder_Release(IWICBitmapEncoder *iface)
{
PngEncoder *This = (PngEncoder*)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 PngEncoder_Initialize(IWICBitmapEncoder *iface,
IStream *pIStream, WICBitmapEncoderCacheOption cacheOption)
{
FIXME("(%p,%p,%u): stub\n", iface, pIStream, cacheOption);
return E_NOTIMPL;
}
static HRESULT WINAPI PngEncoder_GetContainerFormat(IWICBitmapEncoder *iface,
GUID *pguidContainerFormat)
{
FIXME("(%p,%s): stub\n", iface, debugstr_guid(pguidContainerFormat));
return E_NOTIMPL;
}
static HRESULT WINAPI PngEncoder_GetEncoderInfo(IWICBitmapEncoder *iface,
IWICBitmapEncoderInfo **ppIEncoderInfo)
{
FIXME("(%p,%p): stub\n", iface, ppIEncoderInfo);
return E_NOTIMPL;
}
static HRESULT WINAPI PngEncoder_SetColorContexts(IWICBitmapEncoder *iface,
UINT cCount, IWICColorContext **ppIColorContext)
{
FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
return E_NOTIMPL;
}
static HRESULT WINAPI PngEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *pIPalette)
{
TRACE("(%p,%p)\n", iface, pIPalette);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI PngEncoder_SetThumbnail(IWICBitmapEncoder *iface, IWICBitmapSource *pIThumbnail)
{
TRACE("(%p,%p)\n", iface, pIThumbnail);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI PngEncoder_SetPreview(IWICBitmapEncoder *iface, IWICBitmapSource *pIPreview)
{
TRACE("(%p,%p)\n", iface, pIPreview);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI PngEncoder_CreateNewFrame(IWICBitmapEncoder *iface,
IWICBitmapFrameEncode **ppIFrameEncode, IPropertyBag2 **ppIEncoderOptions)
{
FIXME("(%p,%p,%p): stub\n", iface, ppIFrameEncode, ppIEncoderOptions);
return E_NOTIMPL;
}
static HRESULT WINAPI PngEncoder_Commit(IWICBitmapEncoder *iface)
{
TRACE("(%p): stub\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI PngEncoder_GetMetadataQueryWriter(IWICBitmapEncoder *iface,
IWICMetadataQueryWriter **ppIMetadataQueryWriter)
{
FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryWriter);
return E_NOTIMPL;
}
static const IWICBitmapEncoderVtbl PngEncoder_Vtbl = {
PngEncoder_QueryInterface,
PngEncoder_AddRef,
PngEncoder_Release,
PngEncoder_Initialize,
PngEncoder_GetContainerFormat,
PngEncoder_GetEncoderInfo,
PngEncoder_SetColorContexts,
PngEncoder_SetPalette,
PngEncoder_SetThumbnail,
PngEncoder_SetPreview,
PngEncoder_CreateNewFrame,
PngEncoder_Commit,
PngEncoder_GetMetadataQueryWriter
};
HRESULT PngEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
PngEncoder *This;
HRESULT ret;
TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
*ppv = NULL;
if (pUnkOuter) return CLASS_E_NOAGGREGATION;
if (!libpng_handle && !load_libpng())
{
ERR("Failed writing PNG because unable to find %s\n",SONAME_LIBPNG);
return E_FAIL;
}
This = HeapAlloc(GetProcessHeap(), 0, sizeof(PngEncoder));
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &PngEncoder_Vtbl;
This->ref = 1;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);
return ret;
}
#else /* !HAVE_PNG_H */
HRESULT PngDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
@ -667,4 +831,10 @@ HRESULT PngDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
return E_FAIL;
}
HRESULT PngEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
ERR("Trying to save PNG picture, but PNG supported not compiled in.\n");
return E_FAIL;
}
#endif

6
dlls/windowscodecs/regsvr.c
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@ -741,6 +741,12 @@ static struct regsvr_coclass const coclass_list[] = {
"windowscodecs.dll",
"Apartment"
},
{ &CLSID_WICPngEncoder,
"WIC PNG Encoder",
NULL,
"windowscodecs.dll",
"Apartment"
},
{ &CLSID_WICBmpEncoder,
"WIC BMP Encoder",
NULL,

1
dlls/windowscodecs/wincodecs_private.h
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@ -23,6 +23,7 @@ extern HRESULT FormatConverter_CreateInstance(IUnknown *pUnkOuter, REFIID riid,
extern HRESULT ImagingFactory_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv);
extern HRESULT BmpDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv);
extern HRESULT PngDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv);
extern HRESULT PngEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv);
extern HRESULT BmpEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv);
extern HRESULT GifDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv);
extern HRESULT IcoDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv);