* @param y1 Coordinates of first point of the lineCursor
* @param x2 Coordinates of second point of the lineCursor
* @param y2 Coordinates of second point of the lineCursor
*/
public void buildLineCursor(int x1, int y1, int x2, int y2) {
LineCursor lineCursor = new LineCursor(x1, y1, x2, y2, new Color(0, 150, 250));
content.setLayout(null);
lineCursor.setVisible(true);
lineCursor.setBounds(x1, y1, Math.abs(x2-x1), Math.abs(y2-y1));
lineCursor.setLayout(null);
lineCursor.setBorder(null);
lineCursor.displayLine(0, 0, 0, 0);
this.setLineCursor(lineCursor);
content.add(lineCursor);
}