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src
core
graphicsEngine
widgets
labeling
WGELayoutableItem.h
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//---------------------------------------------------------------------------
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//
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// Project: OpenWalnut ( http://www.openwalnut.org )
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//
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// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
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// For more information see http://www.openwalnut.org/copying
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//
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// This file is part of OpenWalnut.
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//
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// OpenWalnut is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// OpenWalnut is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
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//
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//---------------------------------------------------------------------------
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#ifndef WGELAYOUTABLEITEM_H
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#define WGELAYOUTABLEITEM_H
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#include <osg/Vec3>
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/**
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* This class builds the base for graphical items that can be layouted using WGEItemLayouter instances. The layoutable item needs to overwrite
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* the getAnchor method, telling the layout algorithm where the items anchor point is situated. Depending on the layout, the item is placed there
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* or somewhere else with a leader-line to the anchor point.
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*/
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class
WGELayoutableItem
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{
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public
:
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/**
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* Default constructor.
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*/
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WGELayoutableItem
();
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/**
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* Destructor.
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*/
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virtual
~WGELayoutableItem
();
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/**
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* Gets the current anchor point of the item.
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*
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* \return the anchor.
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*/
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virtual
osg::Vec3
getAnchor
()
const
= 0;
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protected
:
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private
:
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};
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#endif // WGELAYOUTABLEITEM_H
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