~danieljabailey/inkscape/arc_node_editor

/**

 * Converts all segments in all paths to Geom::LineSegment or Geom::HLineSegment or

 * Geom::VLineSegment or Geom::CubicBezier or Geom::EllipticalArc.

 */

Geom::PathVector

pathv_to_linear_and_cubic_beziers_and_arcs( Geom::PathVector const &pathv )

{

    Geom::PathVector output;

 

    for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit) {

        output.push_back( Geom::Path() );

        output.back().setStitching(true);

        output.back().start( pit->initialPoint() );

 

        for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_open(); ++cit) {

            if (is_straight_curve(*cit)) {

                Geom::LineSegment l(cit->initialPoint(), cit->finalPoint());

                output.back().append(l);

            } else {

                Geom::EllipticalArc const *arc = dynamic_cast<Geom::EllipticalArc const *>(&*cit);

                if (arc){

                    output.back().append(arc->duplicate());

                }

                else{

                    Geom::BezierCurve const *curve = dynamic_cast<Geom::BezierCurve const *>(&*cit);

                    if (curve && curve->order() == 3) {

                        Geom::CubicBezier b((*curve)[0], (*curve)[1], (*curve)[2], (*curve)[3]);

                        output.back().append(b);

                    } else {

                        // convert all other curve types to cubicbeziers

                        Geom::Path cubicbezier_path = Geom::cubicbezierpath_from_sbasis(cit->toSBasis(), 0.1);

                        cubicbezier_path.close(false);

                        output.back().append(cubicbezier_path);

                    }

                }

            }

        }

        output.back().close( pit->closed() );

    }

    return output;

}