windowscodecs: Add stub GIF decoder.

This commit is contained in:
Vincent Povirk 2009-08-17 09:45:28 -05:00 committed by Alexandre Julliard
parent 83d8f615b3
commit 0c4a5620e8
5 changed files with 212 additions and 0 deletions

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@ -11,6 +11,7 @@ C_SRCS = \
bmpencode.c \
clsfactory.c \
converter.c \
gifformat.c \
imgfactory.c \
info.c \
main.c \

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@ -45,6 +45,7 @@ static classinfo wic_classes[] = {
{&CLSID_WICImagingFactory, ImagingFactory_CreateInstance},
{&CLSID_WICBmpDecoder, BmpDecoder_CreateInstance},
{&CLSID_WICBmpEncoder, BmpEncoder_CreateInstance},
{&CLSID_WICGifDecoder, GifDecoder_CreateInstance},
{&CLSID_WICDefaultFormatConverter, FormatConverter_CreateInstance},
{0}};

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@ -0,0 +1,203 @@
/*
* Copyright 2009 Vincent Povirk for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wincodec.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct {
const IWICBitmapDecoderVtbl *lpVtbl;
LONG ref;
} GifDecoder;
static HRESULT WINAPI GifDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
void **ppv)
{
GifDecoder *This = (GifDecoder*)iface;
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IWICBitmapDecoder, iid))
{
*ppv = This;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI GifDecoder_AddRef(IWICBitmapDecoder *iface)
{
GifDecoder *This = (GifDecoder*)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI GifDecoder_Release(IWICBitmapDecoder *iface)
{
GifDecoder *This = (GifDecoder*)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 GifDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
DWORD *pdwCapability)
{
FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability);
return E_NOTIMPL;
}
static HRESULT WINAPI GifDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,
WICDecodeOptions cacheOptions)
{
FIXME("(%p,%p,%x): stub\n", iface, pIStream, cacheOptions);
return E_NOTIMPL;
}
static HRESULT WINAPI GifDecoder_GetContainerFormat(IWICBitmapDecoder *iface,
GUID *pguidContainerFormat)
{
FIXME("(%p,%s): stub\n", iface, debugstr_guid(pguidContainerFormat));
return E_NOTIMPL;
}
static HRESULT WINAPI GifDecoder_GetDecoderInfo(IWICBitmapDecoder *iface,
IWICBitmapDecoderInfo **ppIDecoderInfo)
{
FIXME("(%p,%p): stub\n", iface, ppIDecoderInfo);
return E_NOTIMPL;
}
static HRESULT WINAPI GifDecoder_CopyPalette(IWICBitmapDecoder *iface,
IWICPalette *pIPalette)
{
TRACE("(%p,%p)\n", iface, pIPalette);
return WINCODEC_ERR_PALETTEUNAVAILABLE;
}
static HRESULT WINAPI GifDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
IWICMetadataQueryReader **ppIMetadataQueryReader)
{
TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI GifDecoder_GetPreview(IWICBitmapDecoder *iface,
IWICBitmapSource **ppIBitmapSource)
{
TRACE("(%p,%p)\n", iface, ppIBitmapSource);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI GifDecoder_GetColorContexts(IWICBitmapDecoder *iface,
UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
{
TRACE("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI GifDecoder_GetThumbnail(IWICBitmapDecoder *iface,
IWICBitmapSource **ppIThumbnail)
{
TRACE("(%p,%p)\n", iface, ppIThumbnail);
return WINCODEC_ERR_CODECNOTHUMBNAIL;
}
static HRESULT WINAPI GifDecoder_GetFrameCount(IWICBitmapDecoder *iface,
UINT *pCount)
{
FIXME("(%p,%p): stub\n", iface, pCount);
return E_NOTIMPL;
}
static HRESULT WINAPI GifDecoder_GetFrame(IWICBitmapDecoder *iface,
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
{
FIXME("(%p,%u,%p): stub\n", iface, index, ppIBitmapFrame);
return E_NOTIMPL;
}
static const IWICBitmapDecoderVtbl GifDecoder_Vtbl = {
GifDecoder_QueryInterface,
GifDecoder_AddRef,
GifDecoder_Release,
GifDecoder_QueryCapability,
GifDecoder_Initialize,
GifDecoder_GetContainerFormat,
GifDecoder_GetDecoderInfo,
GifDecoder_CopyPalette,
GifDecoder_GetMetadataQueryReader,
GifDecoder_GetPreview,
GifDecoder_GetColorContexts,
GifDecoder_GetThumbnail,
GifDecoder_GetFrameCount,
GifDecoder_GetFrame
};
HRESULT GifDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
GifDecoder *This;
HRESULT ret;
TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
*ppv = NULL;
if (pUnkOuter) return CLASS_E_NOAGGREGATION;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(GifDecoder));
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &GifDecoder_Vtbl;
This->ref = 1;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);
return ret;
}

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@ -741,6 +741,12 @@ static struct regsvr_coclass const coclass_list[] = {
"windowscodecs.dll",
"Apartment"
},
{ &CLSID_WICGifDecoder,
"WIC GIF Decoder",
NULL,
"windowscodecs.dll",
"Apartment"
},
{ &CLSID_WICDefaultFormatConverter,
"WIC Default Format Converter",
NULL,

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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 BmpEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv);
extern HRESULT GifDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv);
extern HRESULT PaletteImpl_Create(IWICPalette **palette);