76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
// Canvas with 2D rendering api
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//
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// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef CANVAS_MGR_H_
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#define CANVAS_MGR_H_
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#include <simgear/props/props.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <boost/shared_ptr.hpp>
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#include <vector>
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class Canvas;
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class CanvasMgr:
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public SGSubsystem,
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public SGPropertyChangeListener
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{
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public:
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CanvasMgr();
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virtual ~CanvasMgr();
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virtual void init();
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virtual void reinit();
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virtual void shutdown();
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virtual void bind();
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virtual void unbind();
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virtual void update(double delta_time_sec);
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virtual void childAdded( SGPropertyNode * parent,
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SGPropertyNode * child );
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virtual void childRemoved( SGPropertyNode * parent,
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SGPropertyNode * child );
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private:
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/** Root node for everything concerning the canvas system */
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SGPropertyNode_ptr _props;
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/** The actual canvases */
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std::vector<Canvas> _canvases;
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void textureAdded(SGPropertyNode* node);
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/**
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* Trigger a childAdded and valueChanged event for every child of node
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* (Unlimited depth) and node itself.
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*/
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void triggerChangeRecursive(SGPropertyNode* node);
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/**
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* Get the value of a property or throw an exception if it doesn't exist.
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*/
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template<class T>
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T getParam(const SGPropertyNode* node, const char* prop);
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};
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#endif /* CANVAS_MGR_H_ */
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