Vincent Povirk : windowscodecs: Add stub IWICBitmapScaler implementation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: efab393295e3c9fe49891c778cd05b49f7426f4b
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=efab393295e3c9fe49891c778c...

Author: Vincent Povirk <vincent(a)codeweavers.com>
Date:   Tue Feb 28 13:45:32 2012 -0600

windowscodecs: Add stub IWICBitmapScaler implementation.

---

 dlls/windowscodecs/Makefile.in         |    1 +
 dlls/windowscodecs/imgfactory.c        |    5 +-
 dlls/windowscodecs/scaler.c            |  169 ++++++++++++++++++++++++++++++++
 dlls/windowscodecs/wincodecs_private.h |    1 +
 4 files changed, 174 insertions(+), 2 deletions(-)

diff --git a/dlls/windowscodecs/Makefile.in b/dlls/windowscodecs/Makefile.in
index 28b5852..da851d5 100644
--- a/dlls/windowscodecs/Makefile.in
+++ b/dlls/windowscodecs/Makefile.in
@@ -24,6 +24,7 @@ C_SRCS = \
 	propertybag.c \
 	proxy.c \
 	regsvr.c \
+	scaler.c \
 	stream.c \
 	tgaformat.c \
 	tiffformat.c \
diff --git a/dlls/windowscodecs/imgfactory.c b/dlls/windowscodecs/imgfactory.c
index 9ef8bbb..fa28c9a 100644
--- a/dlls/windowscodecs/imgfactory.c
+++ b/dlls/windowscodecs/imgfactory.c
@@ -356,8 +356,9 @@ static HRESULT WINAPI ComponentFactory_CreateFormatConverter(IWICComponentFactor
 static HRESULT WINAPI ComponentFactory_CreateBitmapScaler(IWICComponentFactory *iface,
     IWICBitmapScaler **ppIBitmapScaler)
 {
-    FIXME("(%p,%p): stub\n", iface, ppIBitmapScaler);
-    return E_NOTIMPL;
+    TRACE("(%p,%p)\n", iface, ppIBitmapScaler);
+
+    return BitmapScaler_Create(ppIBitmapScaler);
 }
 
 static HRESULT WINAPI ComponentFactory_CreateBitmapClipper(IWICComponentFactory *iface,
diff --git a/dlls/windowscodecs/scaler.c b/dlls/windowscodecs/scaler.c
new file mode 100644
index 0000000..d3bd1b7
--- /dev/null
+++ b/dlls/windowscodecs/scaler.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright 2010 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 BitmapScaler {
+    IWICBitmapScaler IWICBitmapScaler_iface;
+    LONG ref;
+} BitmapScaler;
+
+static inline BitmapScaler *impl_from_IWICBitmapScaler(IWICBitmapScaler *iface)
+{
+    return CONTAINING_RECORD(iface, BitmapScaler, IWICBitmapScaler_iface);
+}
+
+static HRESULT WINAPI BitmapScaler_QueryInterface(IWICBitmapScaler *iface, REFIID iid,
+    void **ppv)
+{
+    BitmapScaler *This = impl_from_IWICBitmapScaler(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_IWICBitmapScaler, iid))
+    {
+        *ppv = This;
+    }
+    else
+    {
+        *ppv = NULL;
+        return E_NOINTERFACE;
+    }
+
+    IUnknown_AddRef((IUnknown*)*ppv);
+    return S_OK;
+}
+
+static ULONG WINAPI BitmapScaler_AddRef(IWICBitmapScaler *iface)
+{
+    BitmapScaler *This = impl_from_IWICBitmapScaler(iface);
+    ULONG ref = InterlockedIncrement(&This->ref);
+
+    TRACE("(%p) refcount=%u\n", iface, ref);
+
+    return ref;
+}
+
+static ULONG WINAPI BitmapScaler_Release(IWICBitmapScaler *iface)
+{
+    BitmapScaler *This = impl_from_IWICBitmapScaler(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 BitmapScaler_GetSize(IWICBitmapScaler *iface,
+    UINT *puiWidth, UINT *puiHeight)
+{
+    FIXME("(%p,%p,%p): stub\n", iface, puiWidth, puiHeight);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI BitmapScaler_GetPixelFormat(IWICBitmapScaler *iface,
+    WICPixelFormatGUID *pPixelFormat)
+{
+    FIXME("(%p,%p): stub\n", iface, pPixelFormat);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI BitmapScaler_GetResolution(IWICBitmapScaler *iface,
+    double *pDpiX, double *pDpiY)
+{
+    FIXME("(%p,%p,%p): stub\n", iface, pDpiX, pDpiY);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI BitmapScaler_CopyPalette(IWICBitmapScaler *iface,
+    IWICPalette *pIPalette)
+{
+    FIXME("(%p,%p): stub\n", iface, pIPalette);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI BitmapScaler_CopyPixels(IWICBitmapScaler *iface,
+    const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
+{
+    FIXME("(%p,%p,%u,%u,%p): stub\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI BitmapScaler_Initialize(IWICBitmapScaler *iface,
+    IWICBitmapSource *pISource, UINT uiWidth, UINT uiHeight,
+    WICBitmapInterpolationMode mode)
+{
+    FIXME("(%p,%p,%u,%u,%u): stub\n", iface, pISource, uiWidth, uiHeight, mode);
+
+    return E_NOTIMPL;
+}
+
+static const IWICBitmapScalerVtbl BitmapScaler_Vtbl = {
+    BitmapScaler_QueryInterface,
+    BitmapScaler_AddRef,
+    BitmapScaler_Release,
+    BitmapScaler_GetSize,
+    BitmapScaler_GetPixelFormat,
+    BitmapScaler_GetResolution,
+    BitmapScaler_CopyPalette,
+    BitmapScaler_CopyPixels,
+    BitmapScaler_Initialize
+};
+
+HRESULT BitmapScaler_Create(IWICBitmapScaler **scaler)
+{
+    BitmapScaler *This;
+
+    This = HeapAlloc(GetProcessHeap(), 0, sizeof(BitmapScaler));
+    if (!This) return E_OUTOFMEMORY;
+
+    This->IWICBitmapScaler_iface.lpVtbl = &BitmapScaler_Vtbl;
+    This->ref = 1;
+
+    *scaler = &This->IWICBitmapScaler_iface;
+
+    return S_OK;
+}
diff --git a/dlls/windowscodecs/wincodecs_private.h b/dlls/windowscodecs/wincodecs_private.h
index 92fa7ef..815ee3d 100644
--- a/dlls/windowscodecs/wincodecs_private.h
+++ b/dlls/windowscodecs/wincodecs_private.h
@@ -44,6 +44,7 @@ extern HRESULT IcnsEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void*
 
 extern HRESULT TgaDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv) DECLSPEC_HIDDEN;
 
+extern HRESULT BitmapScaler_Create(IWICBitmapScaler **scaler) DECLSPEC_HIDDEN;
 extern HRESULT FlipRotator_Create(IWICBitmapFlipRotator **fliprotator) DECLSPEC_HIDDEN;
 extern HRESULT PaletteImpl_Create(IWICPalette **palette) DECLSPEC_HIDDEN;
 extern HRESULT StreamImpl_Create(IWICStream **stream) DECLSPEC_HIDDEN;