120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*************************************************************************
|
|
*
|
|
* 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 _DIBPREVIEW_HXX_
|
|
#define _DIBPREVIEW_HXX_
|
|
|
|
//------------------------------------------------------------------------
|
|
// includes
|
|
//------------------------------------------------------------------------
|
|
|
|
#include "previewbase.hxx"
|
|
#include <osl/mutex.hxx>
|
|
|
|
#if defined _MSC_VER
|
|
#pragma warning(push, 1)
|
|
#endif
|
|
#include <windows.h>
|
|
#if defined _MSC_VER
|
|
#pragma warning(pop)
|
|
#endif
|
|
|
|
//---------------------------------------------
|
|
// A very simple wrapper for a window that does
|
|
// display DIBs.
|
|
// Maybe it would be better and more extensible
|
|
// to create another class that is responsible
|
|
// for rendering a specific image format into
|
|
// the area of the window, but for our purpose
|
|
// it's enough to go the simple way - KISS.
|
|
//---------------------------------------------
|
|
|
|
class CDIBPreview : public PreviewBase
|
|
{
|
|
public:
|
|
|
|
// ctor
|
|
CDIBPreview(HINSTANCE instance,HWND parent,sal_Bool bShowWindow = sal_False);
|
|
|
|
// dtor
|
|
virtual ~CDIBPreview( );
|
|
|
|
// preview interface implementation
|
|
|
|
virtual sal_Int32 SAL_CALL getTargetColorDepth()
|
|
throw (::com::sun::star::uno::RuntimeException);
|
|
|
|
virtual sal_Int32 SAL_CALL getAvailableWidth()
|
|
throw (::com::sun::star::uno::RuntimeException);
|
|
|
|
virtual sal_Int32 SAL_CALL getAvailableHeight()
|
|
throw (::com::sun::star::uno::RuntimeException);
|
|
|
|
virtual void SAL_CALL setImage(sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage)
|
|
throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
|
|
|
|
virtual sal_Bool SAL_CALL setShowState(sal_Bool bShowState)
|
|
throw (::com::sun::star::uno::RuntimeException);
|
|
|
|
virtual sal_Bool SAL_CALL getShowState()
|
|
throw (::com::sun::star::uno::RuntimeException);
|
|
|
|
virtual HWND SAL_CALL getWindowHandle() const;
|
|
|
|
private:
|
|
virtual void SAL_CALL onPaint( HWND hWnd, HDC hDC );
|
|
|
|
ATOM SAL_CALL RegisterDibPreviewWindowClass( );
|
|
void SAL_CALL UnregisterDibPreviewWindowClass( );
|
|
|
|
static LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
|
|
|
|
private:
|
|
HINSTANCE m_Instance;
|
|
HWND m_Hwnd;
|
|
com::sun::star::uno::Sequence<sal_Int8> m_Image;
|
|
osl::Mutex m_PaintLock;
|
|
|
|
// the preview window class has to be registered only
|
|
// once per process, so multiple instance of this class
|
|
// share the registered window class
|
|
static ATOM s_ClassAtom;
|
|
static osl::Mutex s_Mutex;
|
|
static sal_Int32 s_RegisterDibPreviewWndCount;
|
|
|
|
// prevent copy and assignment
|
|
private:
|
|
CDIBPreview(const CDIBPreview&);
|
|
CDIBPreview& operator=(const CDIBPreview&);
|
|
};
|
|
|
|
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|