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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef THUMBVIEWER_HXX_INCLUDED
#define THUMBVIEWER_HXX_INCLUDED
#if defined _MSC_VER
#pragma warning(push, 1)
#pragma warning(disable:4917)
#endif
#include <objidl.h>
#include <shlobj.h>
#ifdef __MINGW32__
#include <algorithm>
using std::min;
using std::max;
#endif
#include <gdiplus.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
#include <string>
class CThumbviewer : public IPersistFile, public IExtractImage
{
public:
CThumbviewer(long RefCnt = 1);
virtual ~CThumbviewer();
//-----------------------------
// IUnknown methods
//-----------------------------
virtual HRESULT STDMETHODCALLTYPE QueryInterface(
REFIID riid,
void __RPC_FAR *__RPC_FAR *ppvObject);
virtual ULONG STDMETHODCALLTYPE AddRef( void);
virtual ULONG STDMETHODCALLTYPE Release( void);
//----------------------------
// IExtractImage methods
//----------------------------
virtual HRESULT STDMETHODCALLTYPE Extract(HBITMAP *phBmpImage);
virtual HRESULT STDMETHODCALLTYPE GetLocation(
LPWSTR pszPathBuffer,
DWORD cchMax,
DWORD *pdwPriority,
const SIZE *prgSize,
DWORD dwRecClrDepth,
DWORD *pdwFlags);
//----------------------------
// IPersist methods
//----------------------------
virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID* pClassID);
//----------------------------
// IPersistFile methods
//----------------------------
virtual HRESULT STDMETHODCALLTYPE IsDirty();
virtual HRESULT STDMETHODCALLTYPE Load(
/* [in] */ LPCOLESTR pszFileName,
/* [in] */ DWORD dwMode);
virtual HRESULT STDMETHODCALLTYPE Save(
/* [unique][in] */ LPCOLESTR pszFileName,
/* [in] */ BOOL fRemember);
virtual HRESULT STDMETHODCALLTYPE SaveCompleted(
/* [unique][in] */ LPCOLESTR pszFileName);
virtual HRESULT STDMETHODCALLTYPE GetCurFile(
/* [out] */ LPOLESTR __RPC_FAR *ppszFileName);
private:
Gdiplus::Rect CalcScaledAspectRatio(Gdiplus::Rect src, Gdiplus::Rect dest);
private:
long ref_count_;
std::wstring filename_;
SIZE thumbnail_size_;
DWORD color_depth_;
ULONG_PTR gdiplus_token_;
Gdiplus::Bitmap* signet_;
};
#endif
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