/* -*-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 OSGEARTH_WIRE_LINES_H
#define OSGEARTH_WIRE_LINES_H 1

#include <osgEarth/Common>
#include <osgEarth/OsgGeometryOperator>
#include <osgEarth/Stroke>
#include <osg/Array>
#include <osg/Geometry>

// Make a antialiased 3d wire.


namespace osgEarth
{

    class OSGEARTH_EXPORT WireLinesOperator : public Util::OsgGeometryOperator
    {
    public:
        WireLinesOperator(const Stroke& stroke);
        /**
         * Run the polygonizer.
         *
         * @param[in ] verts    Line string geometry to polygonize. The polygonizer
         *                      will add this array to the resulting geometry.
         * @param[in ] normals  Localized normals associated with the input verts.
         *                      Used to determine the plane in which to polygonize each
         *                      line segment. Optional; can be NULL
         * @return Triangulated wire
         */
        osg::Geometry* operator() (osg::Vec3Array* verts, osg::Vec3Array* normals, Callback* callback =0L, bool twosided =true) const;
        void installShaders(osg::Node* node) const;

        const static int numWireVerts = 8;
    protected:
        Stroke _stroke;
    };
}


#endif // OSGEARTH_WIRE_LINES_H