/** Save in a stack the current coordinate state. */
public void push() {
MapCoordinates m = new MapCoordinates();
m.xCenter = xCenter;
m.yCenter = yCenter;
m.xMagnitude = xMagnitude;
m.yMagnitude = yMagnitude;
m.orientation = orientation;
m.mirror = mirror;
m.isMacro = isMacro;
m.snapActive = snapActive;
m.xMin = xMin;
m.xMax = xMax;
m.yMin = yMin;
m.yMax = yMax;
m.xGridStep = xGridStep;
m.yGridStep = yGridStep;
stack.push(m);
}
