/**
* Update the dimensions of the arrow head, creating a new arrow head if necessary. The return
* value is also set as the member variable <code>m_arrowHead</code>
*
* @param w the width of the untransformed arrow head base, in pixels
* @param h the height of the untransformed arrow head, in pixels
* @return the untransformed arrow head shape
*/
private Polygon updateArrowHead(int w, int h) {
if (m_arrowHead == null) {
m_arrowHead = new Polygon();
} else {
m_arrowHead.reset();
}
m_arrowHead.addPoint(0, 0);
m_arrowHead.addPoint(-w / 2, -h);
m_arrowHead.addPoint(w / 2, -h);
m_arrowHead.addPoint(0, 0);
return m_arrowHead;
}
/** If the correct button, from the "drawing rectangle" mode */
@Override
public void mousePressed(MouseEvent e) {
if (e.getButton() == MouseEvent.BUTTON1 && e.getClickCount() > 1) {
SelectByInternalPointAction.performSelection(
Main.map.mapView.getEastNorth(e.getX(), e.getY()),
(e.getModifiersEx() & MouseEvent.SHIFT_DOWN_MASK) > 0,
(e.getModifiersEx() & MouseEvent.CTRL_DOWN_MASK) > 0);
} else if (e.getButton() == MouseEvent.BUTTON1) {
mousePosStart = mousePos = e.getPoint();
lasso.reset();
lasso.addPoint(mousePosStart.x, mousePosStart.y);
}
}