Point2D viewCenter = getViewCenter(); double ratio = getRatio();
Point2D viewCenter = getViewCenter(); double viewRadius = getViewRadius(); double ratio = getRatio();
/** * override base class to un-project the fisheye effect */ public Point2D inverseTransform(Point2D viewPoint) { Point2D viewCenter = getViewCenter(); double viewRadius = getViewRadius(); double ratio = getRatio(); double dx = viewPoint.getX() - viewCenter.getX(); double dy = viewPoint.getY() - viewCenter.getY(); // factor out ellipse dx *= ratio; Point2D pointFromCenter = new Point2D.Double(dx, dy); PolarPoint polar = PolarPoint.cartesianToPolar(pointFromCenter); double radius = polar.getRadius(); if(radius > viewRadius) return delegate.inverseTransform(viewPoint); double mag = magnification; radius /= mag; polar.setRadius(radius); Point2D projectedPoint = PolarPoint.polarToCartesian(polar); projectedPoint.setLocation(projectedPoint.getX()/ratio, projectedPoint.getY()); Point2D translatedBack = new Point2D.Double(projectedPoint.getX()+viewCenter.getX(), projectedPoint.getY()+viewCenter.getY()); return delegate.inverseTransform(translatedBack); }