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;
}
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