Vincent Povirk : windowscodecs: Add stub GIF decoder.
Alexandre Julliard
julliard at winehq.org
Tue Aug 18 10:02:01 CDT 2009
Module: wine
Branch: master
Commit: 0c4a5620e832eaf3e37d4c3cb854ef5f9e2aaeb4
URL: http://source.winehq.org/git/wine.git/?a=commit;h=0c4a5620e832eaf3e37d4c3cb854ef5f9e2aaeb4
Author: Vincent Povirk <vincent at codeweavers.com>
Date: Mon Aug 17 09:45:28 2009 -0500
windowscodecs: Add stub GIF decoder.
---
dlls/windowscodecs/Makefile.in | 1 +
dlls/windowscodecs/clsfactory.c | 1 +
dlls/windowscodecs/gifformat.c | 203 ++++++++++++++++++++++++++++++++
dlls/windowscodecs/regsvr.c | 6 +
dlls/windowscodecs/wincodecs_private.h | 1 +
5 files changed, 212 insertions(+), 0 deletions(-)
diff --git a/dlls/windowscodecs/Makefile.in b/dlls/windowscodecs/Makefile.in
index aaf2c94..c347496 100644
--- a/dlls/windowscodecs/Makefile.in
+++ b/dlls/windowscodecs/Makefile.in
@@ -11,6 +11,7 @@ C_SRCS = \
bmpencode.c \
clsfactory.c \
converter.c \
+ gifformat.c \
imgfactory.c \
info.c \
main.c \
diff --git a/dlls/windowscodecs/clsfactory.c b/dlls/windowscodecs/clsfactory.c
index 3adb99b..876cbbb 100644
--- a/dlls/windowscodecs/clsfactory.c
+++ b/dlls/windowscodecs/clsfactory.c
@@ -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}};
diff --git a/dlls/windowscodecs/gifformat.c b/dlls/windowscodecs/gifformat.c
new file mode 100644
index 0000000..0ecbd3c
--- /dev/null
+++ b/dlls/windowscodecs/gifformat.c
@@ -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;
+}
diff --git a/dlls/windowscodecs/regsvr.c b/dlls/windowscodecs/regsvr.c
index 4191366..8e3328a 100644
--- a/dlls/windowscodecs/regsvr.c
+++ b/dlls/windowscodecs/regsvr.c
@@ -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,
diff --git a/dlls/windowscodecs/wincodecs_private.h b/dlls/windowscodecs/wincodecs_private.h
index 70e3c16..6dcd47e 100644
--- a/dlls/windowscodecs/wincodecs_private.h
+++ b/dlls/windowscodecs/wincodecs_private.h
@@ -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);
More information about the wine-cvs
mailing list