//=============== Solid  =========================================
// Solid class for Assignment 3 CS770/870 Fall 1998
//	Main responsibility is to hold a transformation matrix
//   to apply to the coordinates of the Solid.
//
import java.awt.*;
import java.math.*;
//import matrix.*;	// the cs770 matrix package

abstract class Solid extends Shape   {

    protected Matrix4	_xform;

    //-------------- Solid( Matrix4 xform, Color rgb ) --------
    public Solid( Matrix4 xform, Color rgb ) 
    {
	super( rgb );
	_xform = new Matrix4( xform );
    }
    //---------------------- Solid( Color rgb ) -----------------
    public Solid( Color rgb ) 
    {
	this ( new Matrix4( ), rgb );
    }
    //---------------------- Solid( Solid ) -----------------
    public Solid( Solid s )
    {
	this ( s._xform, s._color );
    }
    //---------------------- copy () --------------------------
    public abstract Shape copy ( );

    //---------------------- draw (Graphics, Matrix4 ) -----------
    public abstract void draw ( Graphics  g, Matrix4 viewxform );
}