@Override public void trackStart(Point anchor, int modifiersEx) { location = new Point(anchor.x, anchor.y); restoreData = getOwner().getTransformRestoreData(); transform = new AffineTransform(); center = getCenter(); Point2D.Double anchorPoint = view.viewToDrawing(anchor); startTheta = Geom.angle(center.x, center.y, anchorPoint.x, anchorPoint.y); startLength = Geom.length(center.x, center.y, anchorPoint.x, anchorPoint.y); }
@Override public void trackStart(Point anchor, int modifiersEx) { location = new Point(anchor.x, anchor.y); restoreData = getBezierFigure().getTransformRestoreData(); transform = new AffineTransform(); center = getBezierFigure().getCenter(); Point2D.Double anchorPoint = view.viewToDrawing(anchor); startTheta = Geom.angle(center.x, center.y, anchorPoint.x, anchorPoint.y); startLength = Geom.length(center.x, center.y, anchorPoint.x, anchorPoint.y); }
/** * Adds a cubic curve to the bezier path. * <p> * This is a convenience method for adding a node with control point C0 and * C1 (incoming curve) to the bezier path, and also specifying the control * point C2 (outgoing curve) of the previous node. * <p> * The bezier path must already have at least one node. */ public void curveTo(double x1, double y1, double x2, double y2, double x3, double y3) { if (size() == 0) { throw new IllegalPathStateException("curveTo only allowed when not empty"); } Node lastPoint = get(size() - 1); lastPoint.mask |= C2_MASK; lastPoint.x[2] = x1; lastPoint.y[2] = y1; if ((lastPoint.mask & C1C2_MASK) == C1C2_MASK) { lastPoint.keepColinear = Math.abs( Geom.angle(lastPoint.x[0], lastPoint.y[0], lastPoint.x[1], lastPoint.y[1]) - Geom.angle(lastPoint.x[2], lastPoint.y[2], lastPoint.x[0], lastPoint.y[0])) < 0.001; } add(new Node(C1_MASK, x3, y3, x2, y2, x3, y3)); }
@Override public void trackStep(Point anchor, Point lead, int modifiersEx) { location = new Point(lead.x, lead.y); Point2D.Double leadPoint = view.viewToDrawing(lead); double stepTheta = Geom.angle(center.x, center.y, leadPoint.x, leadPoint.y); double stepLength = Geom.length(center.x, center.y, leadPoint.x, leadPoint.y); double scaleFactor = (modifiersEx & (InputEvent.ALT_DOWN_MASK | InputEvent.SHIFT_DOWN_MASK)) != 0 ? 1d : stepLength / startLength; transform.setToIdentity(); transform.translate(center.x, center.y); transform.scale(scaleFactor, scaleFactor); transform.rotate(stepTheta - startTheta); transform.translate(-center.x, -center.y); getOwner().willChange(); getOwner().restoreTransformTo(restoreData); getOwner().transform(transform); getOwner().changed(); } /*
@Override public void trackStep(Point anchor, Point lead, int modifiersEx) { location = new Point(lead.x, lead.y); Point2D.Double leadPoint = view.viewToDrawing(lead); double stepTheta = Geom.angle(center.x, center.y, leadPoint.x, leadPoint.y); double currentTheta = view.getConstrainer().constrainAngle(stepTheta - startTheta); transform.setToIdentity(); transform.translate(center.x, center.y); transform.rotate(currentTheta); transform.translate(-center.x, -center.y); getOwner().willChange(); getOwner().restoreTransformTo(restoreData); getOwner().transform(transform); getOwner().changed(); }