/**
* The mouse location changed during a drag, while this MapTool was the active one.
*
* @param point The location of the mouse in world coordinates.
* @param evt The original event.
*/
public void updateDrag(Point2D.Double point, MouseEvent evt) {
// just in case we didn't get a mousePressed-Event
if (dragStartPos == null) {
dragStartPos = (Point2D.Double) point.clone();
setMeasureCursor();
return;
}
// if this is the first time mouseDragged is called, capture the screen.
if (dragCurrentPos == null) captureBackground();
dragCurrentPos = (Point2D.Double) point.clone();
mapComponent.repaint();
reportDistance(false);
}
/**
* The mouse starts a drag, while this MapTool was the active one.
*
* @param point The location of the mouse in world coordinates.
* @param evt The original event.
*/
public void startDrag(Point2D.Double point, MouseEvent evt) {
setMeasureCursor();
this.dragStartPos = (Point2D.Double) point.clone();
}