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/*************************************************************************
*
* 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 INCLUDED_CANVAS_ISURFACEPROXY_HXX
#define INCLUDED_CANVAS_ISURFACEPROXY_HXX
#include <canvas/rendering/irendermodule.hxx>
#include <boost/shared_ptr.hpp>
namespace basegfx
{
class B2DRange;
class B2DPoint;
class B2DPolyPolygon;
class B2DHomMatrix;
}
namespace canvas
{
struct ISurfaceProxy
{
virtual ~ISurfaceProxy() {}
/** Notify the proxy that the color buffer has changed
*/
virtual void setColorBufferDirty() = 0;
/** 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 ) = 0;
/** 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 ) = 0;
/** 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 ) = 0;
};
typedef ::boost::shared_ptr< ISurfaceProxy > ISurfaceProxySharedPtr;
}
#endif /* INCLUDED_CANVAS_ISURFACEPROXY_HXX */
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