protected int[] getCoordinates(GwtEvent<? extends EventHandler> event) {
if (event instanceof TouchEvent) {
return getPositionInTouch((TouchEvent<? extends EventHandler>) event);
} else if (event instanceof MouseEvent) {
MouseEvent<? extends EventHandler> me = (MouseEvent<? extends EventHandler>) event;
return new int[] {me.getRelativeX(canvas.getElement()), me.getRelativeY(canvas.getElement())};
}
return null;
}
private Point getMousePosition(MouseEvent event) {
int x = event.getRelativeX(this.canvas.getElement());
int y = event.getRelativeY(this.canvas.getElement());
return new Point(x, y);
}
@Override
public int getScaleTouchPosition(final MouseEvent<?> event) {
return event.getRelativeX(this.getElement()) - startPosition - drag.getOffsetWidth() / 2;
}