Michael Stefaniuc : windowscodecs: Use an iface instead of a vtbl pointer in ImagingFactory.
Alexandre Julliard
julliard at winehq.org
Mon Nov 29 13:38:40 CST 2010
Module: wine
Branch: master
Commit: e97fb5036d58f076f49ce909fd5d208da8799606
URL: http://source.winehq.org/git/wine.git/?a=commit;h=e97fb5036d58f076f49ce909fd5d208da8799606
Author: Michael Stefaniuc <mstefani at redhat.de>
Date: Mon Nov 29 01:00:50 2010 +0100
windowscodecs: Use an iface instead of a vtbl pointer in ImagingFactory.
---
dlls/windowscodecs/imgfactory.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/dlls/windowscodecs/imgfactory.c b/dlls/windowscodecs/imgfactory.c
index 5c81b98..a2e8e7f 100644
--- a/dlls/windowscodecs/imgfactory.c
+++ b/dlls/windowscodecs/imgfactory.c
@@ -36,14 +36,19 @@
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct {
- const IWICImagingFactoryVtbl *lpIWICImagingFactoryVtbl;
+ IWICImagingFactory IWICImagingFactory_iface;
LONG ref;
} ImagingFactory;
+static inline ImagingFactory *impl_from_IWICImagingFactory(IWICImagingFactory *iface)
+{
+ return CONTAINING_RECORD(iface, ImagingFactory, IWICImagingFactory_iface);
+}
+
static HRESULT WINAPI ImagingFactory_QueryInterface(IWICImagingFactory *iface, REFIID iid,
void **ppv)
{
- ImagingFactory *This = (ImagingFactory*)iface;
+ ImagingFactory *This = impl_from_IWICImagingFactory(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
@@ -64,7 +69,7 @@ static HRESULT WINAPI ImagingFactory_QueryInterface(IWICImagingFactory *iface, R
static ULONG WINAPI ImagingFactory_AddRef(IWICImagingFactory *iface)
{
- ImagingFactory *This = (ImagingFactory*)iface;
+ ImagingFactory *This = impl_from_IWICImagingFactory(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
@@ -74,7 +79,7 @@ static ULONG WINAPI ImagingFactory_AddRef(IWICImagingFactory *iface)
static ULONG WINAPI ImagingFactory_Release(IWICImagingFactory *iface)
{
- ImagingFactory *This = (ImagingFactory*)iface;
+ ImagingFactory *This = impl_from_IWICImagingFactory(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
@@ -428,7 +433,7 @@ HRESULT ImagingFactory_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** pp
This = HeapAlloc(GetProcessHeap(), 0, sizeof(ImagingFactory));
if (!This) return E_OUTOFMEMORY;
- This->lpIWICImagingFactoryVtbl = &ImagingFactory_Vtbl;
+ This->IWICImagingFactory_iface.lpVtbl = &ImagingFactory_Vtbl;
This->ref = 1;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
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