windowscodecs: Add a stub IWICColorTransform implementation.

dlls/windowscodecs/Makefile.in

@@ -11,6 +11,7 @@ C_SRCS = \
 	bmpencode.c \
 	clsfactory.c \
 	colorcontext.c \
+	colortransform.c \
 	converter.c \
 	fliprotate.c \
 	gifformat.c \

dlls/windowscodecs/colortransform.c

@@ -0,0 +1,166 @@
+/*
+ * Copyright 2013 Hans Leidekker 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 ColorTransform {
+    IWICColorTransform IWICColorTransform_iface;
+    LONG ref;
+} ColorTransform;
+
+static inline ColorTransform *impl_from_IWICColorTransform(IWICColorTransform *iface)
+{
+    return CONTAINING_RECORD(iface, ColorTransform, IWICColorTransform_iface);
+}
+
+static HRESULT WINAPI ColorTransform_QueryInterface(IWICColorTransform *iface, REFIID iid,
+    void **ppv)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(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_IWICColorTransform, iid))
+    {
+        *ppv = &This->IWICColorTransform_iface;
+    }
+    else
+    {
+        *ppv = NULL;
+        return E_NOINTERFACE;
+    }
+
+    IUnknown_AddRef((IUnknown*)*ppv);
+    return S_OK;
+}
+
+static ULONG WINAPI ColorTransform_AddRef(IWICColorTransform *iface)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    ULONG ref = InterlockedIncrement(&This->ref);
+
+    TRACE("(%p) refcount=%u\n", iface, ref);
+
+    return ref;
+}
+
+static ULONG WINAPI ColorTransform_Release(IWICColorTransform *iface)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(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 ColorTransform_GetSize(IWICColorTransform *iface,
+    UINT *puiWidth, UINT *puiHeight)
+{
+    FIXME("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ColorTransform_GetPixelFormat(IWICColorTransform *iface,
+    WICPixelFormatGUID *pPixelFormat)
+{
+    FIXME("(%p,%p)\n", iface, pPixelFormat);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ColorTransform_GetResolution(IWICColorTransform *iface,
+    double *pDpiX, double *pDpiY)
+{
+    FIXME("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ColorTransform_CopyPalette(IWICColorTransform *iface,
+    IWICPalette *pIPalette)
+{
+    FIXME("(%p,%p)\n", iface, pIPalette);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ColorTransform_CopyPixels(IWICColorTransform *iface,
+    const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
+{
+    FIXME("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI ColorTransform_Initialize(IWICColorTransform *iface,
+    IWICBitmapSource *pIBitmapSource, IWICColorContext *pIContextSource,
+    IWICColorContext *pIContextDest, REFWICPixelFormatGUID pixelFmtDest)
+{
+    FIXME("(%p,%p,%p,%p,%s)\n", iface, pIBitmapSource, pIContextSource,
+          pIContextDest, debugstr_guid(pixelFmtDest));
+    return E_NOTIMPL;
+}
+
+static const IWICColorTransformVtbl ColorTransform_Vtbl = {
+    ColorTransform_QueryInterface,
+    ColorTransform_AddRef,
+    ColorTransform_Release,
+    ColorTransform_GetSize,
+    ColorTransform_GetPixelFormat,
+    ColorTransform_GetResolution,
+    ColorTransform_CopyPalette,
+    ColorTransform_CopyPixels,
+    ColorTransform_Initialize
+};
+
+HRESULT ColorTransform_Create(IWICColorTransform **colortransform)
+{
+    ColorTransform *This;
+
+    if (!colortransform) return E_INVALIDARG;
+
+    This = HeapAlloc(GetProcessHeap(), 0, sizeof(ColorTransform));
+    if (!This) return E_OUTOFMEMORY;
+
+    This->IWICColorTransform_iface.lpVtbl = &ColorTransform_Vtbl;
+    This->ref = 1;
+
+    *colortransform = &This->IWICColorTransform_iface;
+
+    return S_OK;
+}

dlls/windowscodecs/imgfactory.c

@@ -450,8 +450,8 @@ static HRESULT WINAPI ComponentFactory_CreateColorContext(IWICComponentFactory *
 static HRESULT WINAPI ComponentFactory_CreateColorTransformer(IWICComponentFactory *iface,
     IWICColorTransform **ppIColorTransform)
 {
-    FIXME("(%p,%p): stub\n", iface, ppIColorTransform);
-    return E_NOTIMPL;
+    TRACE("(%p,%p)\n", iface, ppIColorTransform);
+    return ColorTransform_Create(ppIColorTransform);
 }
 
 static HRESULT WINAPI ComponentFactory_CreateBitmap(IWICComponentFactory *iface,

dlls/windowscodecs/wincodecs_private.h

@@ -53,6 +53,7 @@ extern HRESULT FlipRotator_Create(IWICBitmapFlipRotator **fliprotator) DECLSPEC_
 extern HRESULT PaletteImpl_Create(IWICPalette **palette) DECLSPEC_HIDDEN;
 extern HRESULT StreamImpl_Create(IWICStream **stream) DECLSPEC_HIDDEN;
 extern HRESULT ColorContext_Create(IWICColorContext **context) DECLSPEC_HIDDEN;
+extern HRESULT ColorTransform_Create(IWICColorTransform **transform) DECLSPEC_HIDDEN;
 
 extern HRESULT copy_pixels(UINT bpp, const BYTE *srcbuffer,
     UINT srcwidth, UINT srcheight, INT srcstride,