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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: surfaceproxy.hxx,v $
* $Revision: 1.3 $
*
* 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 INCLUDED_CANVAS_SURFACEPROXY_HXX
#define INCLUDED_CANVAS_SURFACEPROXY_HXX
#include <canvas/rendering/isurfaceproxy.hxx>
#include <canvas/rendering/icolorbuffer.hxx>
#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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