9c465c7649
2004/11/17 17:00:26 thb 1.1.2.4: #118514# Canvas module reorg 2004/10/26 23:36:57 thb 1.1.2.3: #110496# Added dedicated alpha bitmap support: factory methods at the XGraphicDevice, and optimized handling internally 2004/09/27 20:12:30 thb 1.1.2.2: #110496# Fixed problem with CanvasBitmap instances with alpha channel (simply ignored that before) 2004/07/20 19:22:44 thb 1.1.2.1: #110496# Removed self-references to various interface implementations, along the lines, factored out common base implementation for all c++ canvases
108 lines
3.7 KiB
C++
108 lines
3.7 KiB
C++
/*************************************************************************
|
|
*
|
|
* $RCSfile: backbuffer.hxx,v $
|
|
*
|
|
* $Revision: 1.2 $
|
|
*
|
|
* last change: $Author: rt $ $Date: 2004-11-26 17:08:48 $
|
|
*
|
|
* The Contents of this file are made available subject to the terms of
|
|
* either of the following licenses
|
|
*
|
|
* - GNU Lesser General Public License Version 2.1
|
|
* - Sun Industry Standards Source License Version 1.1
|
|
*
|
|
* Sun Microsystems Inc., October, 2000
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2000 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
*
|
|
* Sun Industry Standards Source License Version 1.1
|
|
* =================================================
|
|
* The contents of this file are subject to the Sun Industry Standards
|
|
* Source License Version 1.1 (the "License"); You may not use this file
|
|
* except in compliance with the License. You may obtain a copy of the
|
|
* License at http://www.openoffice.org/license.html.
|
|
*
|
|
* Software provided under this License is provided on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
|
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
|
|
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
|
|
* See the License for the specific provisions governing your rights and
|
|
* obligations concerning the Software.
|
|
*
|
|
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
|
|
*
|
|
* Copyright: 2000 by Sun Microsystems, Inc.
|
|
*
|
|
* All Rights Reserved.
|
|
*
|
|
* Contributor(s): _______________________________________
|
|
*
|
|
*
|
|
************************************************************************/
|
|
|
|
#ifndef _VCLCANVAS_BACKBUFFER_HXX_
|
|
#define _VCLCANVAS_BACKBUFFER_HXX_
|
|
|
|
#ifndef _SV_VIRDEV_HXX
|
|
#include <vcl/virdev.hxx>
|
|
#endif
|
|
|
|
#include <canvas/vclwrapper.hxx>
|
|
|
|
#include "outdevprovider.hxx"
|
|
|
|
|
|
namespace vclcanvas
|
|
{
|
|
/// OutDevProvider implementation for backbuffer VDev
|
|
class BackBuffer : public OutDevProvider
|
|
{
|
|
public:
|
|
/** Create a backbuffer for given reference device
|
|
|
|
@param bMonochromeBuffer
|
|
When false, default depth of reference device is
|
|
chosen. When true, the buffer will be monochrome, i.e. one
|
|
bit deep.
|
|
|
|
@param bAlphaVDev
|
|
If true, the generated backbuffer will have an alpha channel
|
|
*/
|
|
BackBuffer( const OutputDevice& rRefDevice,
|
|
bool bMonochromeBuffer=false,
|
|
bool bAlphaVDev=false );
|
|
|
|
virtual OutputDevice& getOutDev();
|
|
virtual const OutputDevice& getOutDev() const;
|
|
|
|
VirtualDevice& getVirDev();
|
|
const VirtualDevice& getVirDev() const;
|
|
|
|
private:
|
|
::canvas::vcltools::VCLObject<VirtualDevice> maVDev;
|
|
};
|
|
|
|
typedef ::boost::shared_ptr< BackBuffer > BackBufferSharedPtr;
|
|
|
|
}
|
|
|
|
#endif /* #ifndef _VCLCANVAS_BACKBUFFER_HXX_ */
|