Thomas Geymayer
b236821661
If setting properties on a group a check is performed if this property exists on any possible child element, and only if this is the case the property is stored in the groups style. Previously elements have been only initialized during their first usage, leading to ignored styles if they have been set on a parent element before instantiating an instance of the actual element type.
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// A group of 2D Canvas elements which get automatically transformed according
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// to the map parameters.
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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 library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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#ifndef CANVAS_MAP_HXX_
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#define CANVAS_MAP_HXX_
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#include "CanvasGroup.hxx"
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#include <boost/shared_ptr.hpp>
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#include <boost/unordered_map.hpp>
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namespace simgear
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{
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namespace canvas
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{
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class GeoNodePair;
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class HorizontalProjection;
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class Map:
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public Group
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{
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public:
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static const std::string TYPE_NAME;
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static void staticInit();
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Map( const CanvasWeakPtr& canvas,
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const SGPropertyNode_ptr& node,
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const Style& parent_style,
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Element* parent = 0 );
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virtual ~Map();
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virtual void update(double dt);
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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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virtual void valueChanged(SGPropertyNode * child);
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protected:
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virtual void childChanged(SGPropertyNode * child);
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typedef boost::unordered_map< SGPropertyNode*,
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boost::shared_ptr<GeoNodePair>
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> GeoNodes;
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GeoNodes _geo_nodes;
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boost::shared_ptr<HorizontalProjection> _projection;
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bool _projection_dirty;
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struct GeoCoord
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{
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GeoCoord():
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type(INVALID)
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{}
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enum
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{
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INVALID,
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LATITUDE,
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LONGITUDE
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} type;
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double value;
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};
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GeoCoord parseGeoCoord(const std::string& val) const;
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};
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} // namespace canvas
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} // namespace simgear
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#endif /* CANVAS_MAP_HXX_ */
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