Ejemplo n.º 1
0
  /**
   * Returns a path which is cappedPath at the ends, to prevent it from drawing under the end caps.
   */
  protected BezierPath getCappedPath() {
    if (cappedPath == null) {
      cappedPath = path.clone();
      if (isClosed()) {
        cappedPath.setClosed(true);
      } else {
        if (cappedPath.size() > 1) {
          if (get(START_DECORATION) != null) {
            BezierPath.Node p0 = cappedPath.get(0);
            BezierPath.Node p1 = cappedPath.get(1);
            Point2D.Double pp;
            if ((p0.getMask() & BezierPath.C2_MASK) != 0) {
              pp = p0.getControlPoint(2);
            } else if ((p1.getMask() & BezierPath.C1_MASK) != 0) {
              pp = p1.getControlPoint(1);
            } else {
              pp = p1.getControlPoint(0);
            }
            double radius = get(START_DECORATION).getDecorationRadius(this);
            double lineLength = Geom.length(p0.getControlPoint(0), pp);
            cappedPath.set(
                0, 0, Geom.cap(pp, p0.getControlPoint(0), -Math.min(radius, lineLength)));
          }
          if (get(END_DECORATION) != null) {
            BezierPath.Node p0 = cappedPath.get(cappedPath.size() - 1);
            BezierPath.Node p1 = cappedPath.get(cappedPath.size() - 2);

            Point2D.Double pp;
            if ((p0.getMask() & BezierPath.C1_MASK) != 0) {
              pp = p0.getControlPoint(1);
            } else if ((p1.getMask() & BezierPath.C2_MASK) != 0) {
              pp = p1.getControlPoint(2);
            } else {
              pp = p1.getControlPoint(0);
            }

            double radius = get(END_DECORATION).getDecorationRadius(this);
            double lineLength = Geom.length(p0.getControlPoint(0), pp);
            cappedPath.set(
                cappedPath.size() - 1,
                0,
                Geom.cap(pp, p0.getControlPoint(0), -Math.min(radius, lineLength)));
          }
          cappedPath.invalidatePath();
        }
      }
    }
    return cappedPath;
  }
Ejemplo n.º 2
0
 /** Sets a control point. */
 public void setNode(int index, BezierPath.Node p) {
   path.set(index, p);
   invalidate();
 }