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