| java.lang.Object
 edu.hws.jcm.draw.Drawable
edu.hws.jcm.draw.DrawGeometric
edu.hws.jcm.draw.Crosshair
| Crosshair | | public class Crosshair extends DrawGeometric (Code) | | A Crosshair is a small cross, 15 pixels wide and high, that is drawn in
a CoordinateRect at a specified point.
A Crosshair is a Computable object, so should be added to a Controller to be
recomputed when the coordinates of the point change.
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| Constructor Summary | |
| public | Crosshair(Value x, Value y)
Create a cross that appears at the point with coordinates (x,y). | | public | Crosshair(Value x, Function f)
Create a cross that appears on the graph of the function y=f(x)
at the point with coordinates (x,f(x)). |
| Crosshair | | public Crosshair(Value x, Value y)(Code) | | Create a cross that appears at the point with coordinates (x,y).
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| Crosshair | | public Crosshair(Value x, Function f)(Code) | | Create a cross that appears on the graph of the function y=f(x)
at the point with coordinates (x,f(x)). f should be a function
of one variable.
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