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 _DIBPREVIEW_HXX_ 29*cdf0e10cSrcweir #define _DIBPREVIEW_HXX_ 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir //------------------------------------------------------------------------ 32*cdf0e10cSrcweir // includes 33*cdf0e10cSrcweir //------------------------------------------------------------------------ 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #include "previewbase.hxx" 36*cdf0e10cSrcweir #include <osl/mutex.hxx> 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir #if defined _MSC_VER 39*cdf0e10cSrcweir #pragma warning(push, 1) 40*cdf0e10cSrcweir #endif 41*cdf0e10cSrcweir #include <windows.h> 42*cdf0e10cSrcweir #if defined _MSC_VER 43*cdf0e10cSrcweir #pragma warning(pop) 44*cdf0e10cSrcweir #endif 45*cdf0e10cSrcweir 46*cdf0e10cSrcweir //--------------------------------------------- 47*cdf0e10cSrcweir // A very simple wrapper for a window that does 48*cdf0e10cSrcweir // display DIBs. 49*cdf0e10cSrcweir // Maybe it would be better and more extensible 50*cdf0e10cSrcweir // to create another class that is responsible 51*cdf0e10cSrcweir // for rendering a specific image format into 52*cdf0e10cSrcweir // the area of the window, but for our purpose 53*cdf0e10cSrcweir // it's enough to go the simple way - KISS. 54*cdf0e10cSrcweir //--------------------------------------------- 55*cdf0e10cSrcweir 56*cdf0e10cSrcweir class CDIBPreview : public PreviewBase 57*cdf0e10cSrcweir { 58*cdf0e10cSrcweir public: 59*cdf0e10cSrcweir 60*cdf0e10cSrcweir // ctor 61*cdf0e10cSrcweir CDIBPreview(HINSTANCE instance,HWND parent,sal_Bool bShowWindow = sal_False); 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir // dtor 64*cdf0e10cSrcweir virtual ~CDIBPreview( ); 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir // preview interface implementation 67*cdf0e10cSrcweir 68*cdf0e10cSrcweir virtual sal_Int32 SAL_CALL getTargetColorDepth() 69*cdf0e10cSrcweir throw (::com::sun::star::uno::RuntimeException); 70*cdf0e10cSrcweir 71*cdf0e10cSrcweir virtual sal_Int32 SAL_CALL getAvailableWidth() 72*cdf0e10cSrcweir throw (::com::sun::star::uno::RuntimeException); 73*cdf0e10cSrcweir 74*cdf0e10cSrcweir virtual sal_Int32 SAL_CALL getAvailableHeight() 75*cdf0e10cSrcweir throw (::com::sun::star::uno::RuntimeException); 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir virtual void SAL_CALL setImage(sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage) 78*cdf0e10cSrcweir throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); 79*cdf0e10cSrcweir 80*cdf0e10cSrcweir virtual sal_Bool SAL_CALL setShowState(sal_Bool bShowState) 81*cdf0e10cSrcweir throw (::com::sun::star::uno::RuntimeException); 82*cdf0e10cSrcweir 83*cdf0e10cSrcweir virtual sal_Bool SAL_CALL getShowState() 84*cdf0e10cSrcweir throw (::com::sun::star::uno::RuntimeException); 85*cdf0e10cSrcweir 86*cdf0e10cSrcweir virtual HWND SAL_CALL getWindowHandle() const; 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir private: 89*cdf0e10cSrcweir virtual void SAL_CALL onPaint( HWND hWnd, HDC hDC ); 90*cdf0e10cSrcweir 91*cdf0e10cSrcweir ATOM SAL_CALL RegisterDibPreviewWindowClass( ); 92*cdf0e10cSrcweir void SAL_CALL UnregisterDibPreviewWindowClass( ); 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir static LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); 95*cdf0e10cSrcweir 96*cdf0e10cSrcweir private: 97*cdf0e10cSrcweir HINSTANCE m_Instance; 98*cdf0e10cSrcweir HWND m_Hwnd; 99*cdf0e10cSrcweir com::sun::star::uno::Sequence<sal_Int8> m_Image; 100*cdf0e10cSrcweir osl::Mutex m_PaintLock; 101*cdf0e10cSrcweir 102*cdf0e10cSrcweir // the preview window class has to be registered only 103*cdf0e10cSrcweir // once per process, so multiple instance of this class 104*cdf0e10cSrcweir // share the registered window class 105*cdf0e10cSrcweir static ATOM s_ClassAtom; 106*cdf0e10cSrcweir static osl::Mutex s_Mutex; 107*cdf0e10cSrcweir static sal_Int32 s_RegisterDibPreviewWndCount; 108*cdf0e10cSrcweir 109*cdf0e10cSrcweir // prevent copy and assignment 110*cdf0e10cSrcweir private: 111*cdf0e10cSrcweir CDIBPreview(const CDIBPreview&); 112*cdf0e10cSrcweir CDIBPreview& operator=(const CDIBPreview&); 113*cdf0e10cSrcweir }; 114*cdf0e10cSrcweir 115*cdf0e10cSrcweir 116*cdf0e10cSrcweir #endif 117