DYT/Tool/OpenSceneGraph-3.6.5/include/osgEarth/BBoxSymbol
2024-12-25 07:49:36 +08:00

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/* -*-c++-*- */
/* osgEarth - Geospatial SDK for OpenSceneGraph
* Copyright 2020 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTHSYMBOLOGY_BBOX_SYMBOL_H
#define OSGEARTHSYMBOLOGY_BBOX_SYMBOL_H 1
#include <osgEarth/Symbol>
#include <osgEarth/Expression>
#include <osgEarth/Fill>
#include <osgEarth/Stroke>
namespace osgEarth
{
/**
* Symbol that describes how to render bounding boxes around text labels.
*/
class OSGEARTH_EXPORT BBoxSymbol : public Symbol
{
public:
enum BboxGeom {
GEOM_BOX,
GEOM_BOX_ORIENTED
};
META_Object(osgEarth, BBoxSymbol);
BBoxSymbol(const BBoxSymbol& rhs,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
BBoxSymbol( const Config& conf =Config() );
/** dtor */
virtual ~BBoxSymbol() { }
/** Bounding box fill color. */
optional<Fill>& fill() { return _fill; }
const optional<Fill>& fill() const { return _fill; }
/** Bounding box border color. */
optional<Stroke>& border() { return _border; }
const optional<Stroke>& border() const { return _border; }
/** Bounding box border margin. */
optional<float>& margin() { return _margin; }
const optional<float>& margin() const { return _margin; }
/** Bounding box geom to draw. */
optional<BboxGeom>& geom() { return _bboxGeom; }
const optional<BboxGeom>& geom() const { return _bboxGeom; }
public:
virtual Config getConfig() const;
virtual void mergeConfig( const Config& conf );
static void parseSLD(const Config& c, class Style& style);
protected:
optional<Fill> _fill;
optional<Stroke> _border;
optional<float> _margin;
optional<BboxGeom> _bboxGeom;
};
} // namespace osgEarth
#endif // OSGEARTHSYMBOLOGY_BBOX_SYMBOL_H