109
src/Tools/ThumbnailProvider/ClassFactory.cpp
Normal file
109
src/Tools/ThumbnailProvider/ClassFactory.cpp
Normal file
@@ -0,0 +1,109 @@
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/***************************************************************************
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||||
* Copyright (c) 2011 Werner Mayer <wmayer@users.sourceforge.net> *
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* *
|
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* This file is part of the FreeCAD CAx development system. *
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* *
|
||||
* This library is free software; you can redistribute it and/or *
|
||||
* modify it under the terms of the GNU Library General Public *
|
||||
* License as published by the Free Software Foundation; either *
|
||||
* version 2 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 Library General Public License for more details. *
|
||||
* *
|
||||
* You should have received a copy of the GNU Library General Public *
|
||||
* License along with this library; see the file COPYING.LIB. If not, *
|
||||
* write to the Free Software Foundation, Inc., 59 Temple Place, *
|
||||
* Suite 330, Boston, MA 02111-1307, USA *
|
||||
* *
|
||||
***************************************************************************/
|
||||
|
||||
|
||||
#define INITGUID
|
||||
#include "Common.h"
|
||||
#include "ClassFactory.h"
|
||||
|
||||
STDAPI CThumbnailProvider_CreateInstance(REFIID riid, void** ppvObject);
|
||||
|
||||
|
||||
CClassFactory::CClassFactory()
|
||||
{
|
||||
m_cRef = 1;
|
||||
DllAddRef();
|
||||
}
|
||||
|
||||
|
||||
CClassFactory::~CClassFactory()
|
||||
{
|
||||
DllRelease();
|
||||
}
|
||||
|
||||
|
||||
STDMETHODIMP CClassFactory::QueryInterface(REFIID riid,
|
||||
void** ppvObject)
|
||||
{
|
||||
static const QITAB qit[] =
|
||||
{
|
||||
QITABENT(CClassFactory, IClassFactory),
|
||||
{0},
|
||||
};
|
||||
return QISearch(this, qit, riid, ppvObject);
|
||||
}
|
||||
|
||||
|
||||
STDMETHODIMP_(ULONG) CClassFactory::AddRef()
|
||||
{
|
||||
LONG cRef = InterlockedIncrement(&m_cRef);
|
||||
return (ULONG)cRef;
|
||||
}
|
||||
|
||||
|
||||
STDMETHODIMP_(ULONG) CClassFactory::Release()
|
||||
{
|
||||
LONG cRef = InterlockedDecrement(&m_cRef);
|
||||
if (0 == cRef)
|
||||
delete this;
|
||||
return (ULONG)cRef;
|
||||
}
|
||||
|
||||
|
||||
STDMETHODIMP CClassFactory::CreateInstance(IUnknown* punkOuter,
|
||||
REFIID riid,
|
||||
void** ppvObject)
|
||||
{
|
||||
if (NULL != punkOuter)
|
||||
return CLASS_E_NOAGGREGATION;
|
||||
|
||||
return CThumbnailProvider_CreateInstance(riid, ppvObject);
|
||||
}
|
||||
|
||||
|
||||
STDMETHODIMP CClassFactory::LockServer(BOOL fLock)
|
||||
{
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
|
||||
STDAPI DllGetClassObject(REFCLSID rclsid,
|
||||
REFIID riid,
|
||||
void **ppv)
|
||||
{
|
||||
if (NULL == ppv)
|
||||
return E_INVALIDARG;
|
||||
|
||||
if (!IsEqualCLSID(CLSID_SampleThumbnailProvider, rclsid))
|
||||
return CLASS_E_CLASSNOTAVAILABLE;
|
||||
|
||||
CClassFactory *pcf;
|
||||
HRESULT hr;
|
||||
|
||||
pcf = new CClassFactory();
|
||||
if (NULL == pcf)
|
||||
return E_OUTOFMEMORY;
|
||||
|
||||
hr = pcf->QueryInterface(riid, ppv);
|
||||
pcf->Release();
|
||||
return hr;
|
||||
}
|
||||
Reference in New Issue
Block a user