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Example 1 with CtrlPointsSeg

use of net.sf.latexdraw.parsers.svg.path.CtrlPointsSeg in project latexdraw by arnobl.

the class SVGBezierCurve method pathToBezierCurve.

/**
 * Creates a bezier curve and initialises its path from an SVG element.
 */
private static IBezierCurve pathToBezierCurve(final SVGElement elt) {
    if (!(elt instanceof SVGPathElement)) {
        return null;
    }
    final SVGPathSegList list = ((SVGPathElement) elt).getSegList();
    if (list == null || list.size() < 2 || !(list.get(0) instanceof SVGPathSegMoveto)) {
        return null;
    }
    final SVGPathSegMoveto m = (SVGPathSegMoveto) list.get(0);
    CtrlPointsSeg c;
    int i = 1;
    final int size = list.size();
    // Creating a point to support when the first path element is relative.
    Point2D pt = new Point2D.Double();
    final List<IPoint> pts = new ArrayList<>();
    final List<IPoint> ctrlpts = new ArrayList<>();
    final boolean closed;
    pt = m.getPoint(pt);
    pts.add(ShapeFactory.INST.createPoint(pt));
    if (list.get(1) instanceof CtrlPointsSeg) {
        // We set the control point of the first point.
        c = (CtrlPointsSeg) list.get(1);
        ctrlpts.add(ShapeFactory.INST.createPoint(c.getCtrl1(pt)));
    }
    while (i < size && list.get(i) instanceof CtrlPointsSeg) {
        c = (CtrlPointsSeg) list.get(i);
        final Point2D currPt = c.getPoint(pt);
        pts.add(ShapeFactory.INST.createPoint(currPt));
        ctrlpts.add(ShapeFactory.INST.createPoint(c.getCtrl2(pt)));
        pt = currPt;
        i++;
    }
    if (pts.size() > 2 && pts.get(pts.size() - 1).equals(pts.get(0), 0.00001)) {
        // We set the shape as closed
        pts.remove(pts.size() - 1);
        ctrlpts.remove(ctrlpts.size() - 1);
        closed = true;
    } else {
        // There is something else at the end of the path.
        closed = i < size && list.get(i) instanceof SVGPathSegClosePath;
    }
    final IBezierCurve bc = ShapeFactory.INST.createBezierCurve(pts, ctrlpts);
    bc.setOpened(!closed);
    return bc;
}
Also used : SVGPathSegMoveto(net.sf.latexdraw.parsers.svg.path.SVGPathSegMoveto) SVGPathElement(net.sf.latexdraw.parsers.svg.SVGPathElement) ArrayList(java.util.ArrayList) IPoint(net.sf.latexdraw.models.interfaces.shape.IPoint) SVGPathSegList(net.sf.latexdraw.parsers.svg.path.SVGPathSegList) SVGPathSegClosePath(net.sf.latexdraw.parsers.svg.path.SVGPathSegClosePath) IPoint(net.sf.latexdraw.models.interfaces.shape.IPoint) IBezierCurve(net.sf.latexdraw.models.interfaces.shape.IBezierCurve) Point2D(java.awt.geom.Point2D) CtrlPointsSeg(net.sf.latexdraw.parsers.svg.path.CtrlPointsSeg)

Aggregations

Point2D (java.awt.geom.Point2D)1 ArrayList (java.util.ArrayList)1 IBezierCurve (net.sf.latexdraw.models.interfaces.shape.IBezierCurve)1 IPoint (net.sf.latexdraw.models.interfaces.shape.IPoint)1 SVGPathElement (net.sf.latexdraw.parsers.svg.SVGPathElement)1 CtrlPointsSeg (net.sf.latexdraw.parsers.svg.path.CtrlPointsSeg)1 SVGPathSegClosePath (net.sf.latexdraw.parsers.svg.path.SVGPathSegClosePath)1 SVGPathSegList (net.sf.latexdraw.parsers.svg.path.SVGPathSegList)1 SVGPathSegMoveto (net.sf.latexdraw.parsers.svg.path.SVGPathSegMoveto)1