OrGateElm.java

/*    
    Copyright (C) Paul Falstad and Iain Sharp
    
    This file is part of CircuitJS1.

    CircuitJS1 is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    CircuitJS1 is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with CircuitJS1.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.lushprojects.circuitjs1.client;

//import java.awt.*;
//import java.util.StringTokenizer;

    class OrGateElm extends GateElm {
	public OrGateElm(int xx, int yy) { super(xx, yy); }
	public OrGateElm(int xa, int ya, int xb, int yb, int f,
			  StringTokenizer st) {
	    super(xa, ya, xb, yb, f, st);
	}
	String getGateName() { return "OR gate"; }
	void setPoints() {
	    super.setPoints();

	    // 0-15 = top curve, 16 = right, 17-32=bottom curve,
	    // 33-37 = left curve
	    Point triPoints[] = newPointArray(38);
	    if (this instanceof XorGateElm)
		linePoints = new Point[5];
	    int i;
	    for (i = 0; i != 16; i++) {
		double a = i/16.;
		double b = 1-a*a;
		interpPoint2(lead1, lead2,
			     triPoints[i], triPoints[32-i],
			     .5+a/2, b*hs2);
	    }
	    double ww2 = (ww == 0) ? dn*2 : ww*2;
	    for (i = 0; i != 5; i++) {
		double a = (i-2)/2.;
		double b = 4*(1-a*a)-2;
		interpPoint(lead1, lead2,
			    triPoints[33+i], b/(ww2), a*hs2);
		if (this instanceof XorGateElm)
		    linePoints[i] = interpPoint(lead1, lead2,
						(b-5)/(ww2), a*hs2);
	    }
	    triPoints[16] = new Point(lead2);
	    if (isInverting()) {
		pcircle = interpPoint(point1, point2, .5+(ww+4)/dn);
		lead2 = interpPoint(point1, point2, .5+(ww+8)/dn);
	    }
	    gatePoly = createPolygon(triPoints);
	}
	boolean calcFunction() {
	    int i;
	    boolean f = false;
	    for (i = 0; i != inputCount; i++)
		f |= getInput(i);
	    return f;
	}
	int getDumpType() { return 152; }
	int getShortcut() { return '3'; }
    }