GeogebraExporter.h

Go to the documentation of this file.

 
#pragma once
 
#ifdef OGDF_INCLUDE_CGAL
 
#   include <ogdf/geometric/cr_min/geometry/objects/LineSegment.h>
#   include <ogdf/geometric/cr_min/geometry/objects/Point.h>
 
namespace ogdf {
namespace internal {
namespace gcm {
 
namespace tools {
 
template<typename stream = std::ostream>
class GeogebraExporter {
private:
    stream& outstream;
    unsigned int point_counter;
 
public:
    GeogebraExporter(stream& outstream_) : outstream(outstream_), point_counter(0) {
        //nothing to do
    }
 
    template<typename type>
    void add(const geometry::Point_t<type>& point) {
        outstream << "A" << point_counter << "=" << point << "\n";
        ++point_counter;
    }
 
    template<typename Polygon>
    void add(const Polygon& polygon) {
        unsigned int old_counter = point_counter;
        for (unsigned int i = 0; i < polygon.size(); ++i) {
            add(polygon[i]);
        }
 
        outstream << "input = polygon[";
 
        for (unsigned int i = old_counter; i < point_counter; ++i) {
            outstream << "A" << i;
            if (i + 1 < point_counter) {
                outstream << ", ";
            }
        }
 
        outstream << "]\n";
    }
 
    template<typename type>
    void add(const geometry::LineSegment_t<type>& l) {
        unsigned int i = point_counter;
        add(l.source());
        add(l.target());
        outstream << "segment[A" << i << ", A" << i + 1 << "]\n";
    }
};
}
}
}
}
 
#endif