windowscodecs: Add stub implementation of IWICPalette.

dlls/windowscodecs/Makefile.in

@@ -11,6 +11,7 @@ C_SRCS = \
 	clsfactory.c \
 	imgfactory.c \
 	main.c \
+	palette.c \
 	regsvr.c
 
 @MAKE_DLL_RULES@

dlls/windowscodecs/imgfactory.c

@@ -140,8 +140,8 @@ static HRESULT WINAPI ImagingFactory_CreateEncoder(IWICImagingFactory *iface,
 static HRESULT WINAPI ImagingFactory_CreatePalette(IWICImagingFactory *iface,
     IWICPalette **ppIPalette)
 {
-    FIXME("(%p,%p): stub\n", iface, ppIPalette);
-    return E_NOTIMPL;
+    TRACE("(%p,%p)\n", iface, ppIPalette);
+    return PaletteImpl_Create(ppIPalette);
 }
 
 static HRESULT WINAPI ImagingFactory_CreateFormatConverter(IWICImagingFactory *iface,

dlls/windowscodecs/palette.c

+/*
+ * 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 "winreg.h"
+#include "objbase.h"
+#include "wincodec.h"
+
+#include "wincodecs_private.h"
+
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
+
+typedef struct {
+    const IWICPaletteVtbl *lpIWICPaletteVtbl;
+    LONG ref;
+} PaletteImpl;
+
+static HRESULT WINAPI PaletteImpl_QueryInterface(IWICPalette *iface, REFIID iid,
+    void **ppv)
+{
+    PaletteImpl *This = (PaletteImpl*)iface;
+    TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
+
+    if (!ppv) return E_INVALIDARG;
+
+    if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IWICPalette, iid))
+    {
+        *ppv = This;
+    }
+    else
+    {
+        *ppv = NULL;
+        return E_NOINTERFACE;
+    }
+
+    IUnknown_AddRef((IUnknown*)*ppv);
+    return S_OK;
+}
+
+static ULONG WINAPI PaletteImpl_AddRef(IWICPalette *iface)
+{
+    PaletteImpl *This = (PaletteImpl*)iface;
+    ULONG ref = InterlockedIncrement(&This->ref);
+
+    TRACE("(%p) refcount=%u\n", iface, ref);
+
+    return ref;
+}
+
+static ULONG WINAPI PaletteImpl_Release(IWICPalette *iface)
+{
+    PaletteImpl *This = (PaletteImpl*)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 PaletteImpl_InitializePredefined(IWICPalette *iface,
+    WICBitmapPaletteType ePaletteType, BOOL fAddTransparentColor)
+{
+    FIXME("(%p,%u,%i): stub\n", iface, ePaletteType, fAddTransparentColor);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_InitializeCustom(IWICPalette *iface,
+    WICColor *pColors, UINT colorCount)
+{
+    FIXME("(%p,%p,%u): stub\n", iface, pColors, colorCount);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_InitializeFromBitmap(IWICPalette *iface,
+    IWICBitmapSource *pISurface, UINT colorCount, BOOL fAddTransparentColor)
+{
+    FIXME("(%p,%p,%u,%i): stub\n", iface, pISurface, colorCount, fAddTransparentColor);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_InitializeFromPalette(IWICPalette *iface,
+    IWICPalette *pIPalette)
+{
+    FIXME("(%p,%p): stub\n", iface, pIPalette);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_GetType(IWICPalette *iface,
+    WICBitmapPaletteType *pePaletteType)
+{
+    FIXME("(%p,%p): stub\n", iface, pePaletteType);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_GetColorCount(IWICPalette *iface, UINT *pcCount)
+{
+    FIXME("(%p,%p): stub\n", iface, pcCount);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_GetColors(IWICPalette *iface, UINT colorCount,
+    WICColor *pColors, UINT *pcActualColors)
+{
+    FIXME("(%p,%i,%p,%p): stub\n", iface, colorCount, pColors, pcActualColors);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_IsBlackWhite(IWICPalette *iface, BOOL *pfIsBlackWhite)
+{
+    FIXME("(%p,%p): stub\n", iface, pfIsBlackWhite);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_IsGrayscale(IWICPalette *iface, BOOL *pfIsGrayscale)
+{
+    FIXME("(%p,%p): stub\n", iface, pfIsGrayscale);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI PaletteImpl_HasAlpha(IWICPalette *iface, BOOL *pfHasAlpha)
+{
+    FIXME("(%p,%p): stub\n", iface, pfHasAlpha);
+    return E_NOTIMPL;
+}
+
+static const IWICPaletteVtbl PaletteImpl_Vtbl = {
+    PaletteImpl_QueryInterface,
+    PaletteImpl_AddRef,
+    PaletteImpl_Release,
+    PaletteImpl_InitializePredefined,
+    PaletteImpl_InitializeCustom,
+    PaletteImpl_InitializeFromBitmap,
+    PaletteImpl_InitializeFromPalette,
+    PaletteImpl_GetType,
+    PaletteImpl_GetColorCount,
+    PaletteImpl_GetColors,
+    PaletteImpl_IsBlackWhite,
+    PaletteImpl_IsGrayscale,
+    PaletteImpl_HasAlpha
+};
+
+HRESULT PaletteImpl_Create(IWICPalette **palette)
+{
+    PaletteImpl *This;
+
+    This = HeapAlloc(GetProcessHeap(), 0, sizeof(PaletteImpl));
+    if (!This) return E_OUTOFMEMORY;
+
+    This->lpIWICPaletteVtbl = &PaletteImpl_Vtbl;
+    This->ref = 1;
+
+    *palette = (IWICPalette*)This;
+
+    return S_OK;
+}

dlls/windowscodecs/wincodecs_private.h

@@ -22,6 +22,8 @@
 extern HRESULT ImagingFactory_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv);
 extern HRESULT BmpDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv);
 
+extern HRESULT PaletteImpl_Create(IWICPalette **palette);
+
 extern HRESULT copy_pixels(UINT bpp, const BYTE *srcbuffer,
     UINT srcwidth, UINT srcheight, INT srcstride,
     const WICRect *rc, UINT dststride, UINT dstbuffersize, BYTE *dstbuffer);