/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( 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.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
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 ;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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