1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef THUMBVIEWER_HXX_INCLUDED 29*cdf0e10cSrcweir #define THUMBVIEWER_HXX_INCLUDED 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #if defined _MSC_VER 32*cdf0e10cSrcweir #pragma warning(push, 1) 33*cdf0e10cSrcweir #pragma warning(disable:4917) 34*cdf0e10cSrcweir #endif 35*cdf0e10cSrcweir #include <objidl.h> 36*cdf0e10cSrcweir #include <shlobj.h> 37*cdf0e10cSrcweir #ifdef __MINGW32__ 38*cdf0e10cSrcweir #include <algorithm> 39*cdf0e10cSrcweir using std::min; 40*cdf0e10cSrcweir using std::max; 41*cdf0e10cSrcweir #endif 42*cdf0e10cSrcweir #include <gdiplus.h> 43*cdf0e10cSrcweir #if defined _MSC_VER 44*cdf0e10cSrcweir #pragma warning(pop) 45*cdf0e10cSrcweir #endif 46*cdf0e10cSrcweir #include <string> 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir class CThumbviewer : public IPersistFile, public IExtractImage 49*cdf0e10cSrcweir { 50*cdf0e10cSrcweir public: 51*cdf0e10cSrcweir CThumbviewer(long RefCnt = 1); 52*cdf0e10cSrcweir virtual ~CThumbviewer(); 53*cdf0e10cSrcweir 54*cdf0e10cSrcweir //----------------------------- 55*cdf0e10cSrcweir // IUnknown methods 56*cdf0e10cSrcweir //----------------------------- 57*cdf0e10cSrcweir 58*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE QueryInterface( 59*cdf0e10cSrcweir REFIID riid, 60*cdf0e10cSrcweir void __RPC_FAR *__RPC_FAR *ppvObject); 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir virtual ULONG STDMETHODCALLTYPE AddRef( void); 63*cdf0e10cSrcweir 64*cdf0e10cSrcweir virtual ULONG STDMETHODCALLTYPE Release( void); 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir //---------------------------- 67*cdf0e10cSrcweir // IExtractImage methods 68*cdf0e10cSrcweir //---------------------------- 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE Extract(HBITMAP *phBmpImage); 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE GetLocation( 73*cdf0e10cSrcweir LPWSTR pszPathBuffer, 74*cdf0e10cSrcweir DWORD cchMax, 75*cdf0e10cSrcweir DWORD *pdwPriority, 76*cdf0e10cSrcweir const SIZE *prgSize, 77*cdf0e10cSrcweir DWORD dwRecClrDepth, 78*cdf0e10cSrcweir DWORD *pdwFlags); 79*cdf0e10cSrcweir 80*cdf0e10cSrcweir //---------------------------- 81*cdf0e10cSrcweir // IPersist methods 82*cdf0e10cSrcweir //---------------------------- 83*cdf0e10cSrcweir 84*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID* pClassID); 85*cdf0e10cSrcweir 86*cdf0e10cSrcweir //---------------------------- 87*cdf0e10cSrcweir // IPersistFile methods 88*cdf0e10cSrcweir //---------------------------- 89*cdf0e10cSrcweir 90*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE IsDirty(); 91*cdf0e10cSrcweir 92*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE Load( 93*cdf0e10cSrcweir /* [in] */ LPCOLESTR pszFileName, 94*cdf0e10cSrcweir /* [in] */ DWORD dwMode); 95*cdf0e10cSrcweir 96*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE Save( 97*cdf0e10cSrcweir /* [unique][in] */ LPCOLESTR pszFileName, 98*cdf0e10cSrcweir /* [in] */ BOOL fRemember); 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE SaveCompleted( 101*cdf0e10cSrcweir /* [unique][in] */ LPCOLESTR pszFileName); 102*cdf0e10cSrcweir 103*cdf0e10cSrcweir virtual HRESULT STDMETHODCALLTYPE GetCurFile( 104*cdf0e10cSrcweir /* [out] */ LPOLESTR __RPC_FAR *ppszFileName); 105*cdf0e10cSrcweir 106*cdf0e10cSrcweir private: 107*cdf0e10cSrcweir Gdiplus::Rect CalcScaledAspectRatio(Gdiplus::Rect src, Gdiplus::Rect dest); 108*cdf0e10cSrcweir 109*cdf0e10cSrcweir private: 110*cdf0e10cSrcweir long ref_count_; 111*cdf0e10cSrcweir std::wstring filename_; 112*cdf0e10cSrcweir SIZE thumbnail_size_; 113*cdf0e10cSrcweir DWORD color_depth_; 114*cdf0e10cSrcweir ULONG_PTR gdiplus_token_; 115*cdf0e10cSrcweir Gdiplus::Bitmap* signet_; 116*cdf0e10cSrcweir }; 117*cdf0e10cSrcweir 118*cdf0e10cSrcweir #endif 119