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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: surfaceproxy.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: kz $ $Date: 2005-11-02 12:56:02 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 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
*
************************************************************************/
#ifndef INCLUDED_CANVAS_SURFACEPROXY_HXX
#define INCLUDED_CANVAS_SURFACEPROXY_HXX
#ifndef INCLUDED_CANVAS_ISURFACEPROXY_HXX
#include <canvas/rendering/isurfaceproxy.hxx>
#endif
#ifndef INCLUDED_CANVAS_ICOLORBUFFER_HXX
#include <canvas/rendering/icolorbuffer.hxx>
#endif
#include "pagemanager.hxx"
#include "surface.hxx"
namespace canvas
{
//////////////////////////////////////////////////////////////////////////////////
// SurfaceProxy
//////////////////////////////////////////////////////////////////////////////////
/** Definition of the surface proxy class.
Surface proxies are the connection between *one* source image
and *one or more* hardware surfaces (or textures). in a
logical structure surface proxies represent soley this
dependeny plus some simple cache management.
*/
class SurfaceProxy : public ISurfaceProxy
{
public:
SurfaceProxy( const canvas::IColorBufferSharedPtr& pBuffer,
const PageManagerSharedPtr &pPageManager );
// ISurfaceProxy interface
virtual void setColorBufferDirty();
/** Render the surface content to screen.
@param fAlpha
Overall alpha for content
@param rPos
Output position
@param rTransform
Output transformation (does not affect output position)
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DHomMatrix& rTransform );
/** Render the surface content to screen.
@param fAlpha
Overall alpha for content
@param rPos
Output position
@param rArea
Subset of the surface to render. Coordinate system are
surface area pixel, given area will be clipped to the
surface bounds.
@param rTransform
Output transformation (does not affect output position)
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DRange& rArea,
const ::basegfx::B2DHomMatrix& rTransform );
/** Render the surface content to screen.
@param fAlpha
Overall alpha for content
@param rPos
Output position
@param rClipPoly
Clip polygon for the surface. The clip polygon is also
subject to the output transformation.
@param rTransform
Output transformation (does not affect output position)
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DPolyPolygon& rClipPoly,
const ::basegfx::B2DHomMatrix& rTransform );
private:
PageManagerSharedPtr mpPageManager;
// the pagemanager will distribute the image
// to one or more surfaces, this is why we
// need a list here.
std::vector<SurfaceSharedPtr> maSurfaceList;
// pointer to the source of image data
// which always is stored in system memory,
// 32bit rgba and can have any size.
canvas::IColorBufferSharedPtr mpBuffer;
};
typedef ::boost::shared_ptr< SurfaceProxy > SurfaceProxySharedPtr;
}
#endif
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