/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.logisim.std.gates;
import static com.cburch.logisim.util.LocaleString.*;
import java.awt.Graphics;
import com.cburch.logisim.analyze.model.Expression;
import com.cburch.logisim.analyze.model.Expressions;
import com.cburch.logisim.data.Value;
import com.cburch.logisim.instance.InstancePainter;
import com.cburch.logisim.instance.InstanceState;
import com.cburch.logisim.util.GraphicsUtil;
class AndGate extends AbstractGate {
public static AndGate FACTORY = new AndGate();
private AndGate() {
super("AND Gate", getFromLocale("andGateComponent"));
setRectangularLabel("&");
setIconNames("/logisim/icons/andGate.svg", "/logisim/icons/andGateRect.svg", "/logisim/icons/dinAndGate.svg");
}
@Override
protected void paintIconShaped(InstancePainter painter) {
Graphics g = painter.getGraphics();
int[] xp = new int[] { 10, 2, 2, 10 };
int[] yp = new int[] { 2, 2, 18, 18 };
g.drawPolyline(xp, yp, 4);
GraphicsUtil.drawCenteredArc(g, 10, 10, 8, -90, 180);
}
@Override
protected void paintShape(InstancePainter painter, int width, int height) {
PainterShaped.paintAnd(painter, width, height);
}
@Override
protected void paintDinShape(InstancePainter painter, int width, int height, int inputs) {
PainterDin.paintAnd(painter, width, height, false);
}
@Override
protected Value computeOutput(Value[] inputs, int numInputs,
InstanceState state) {
return GateFunctions.computeAnd(inputs, numInputs);
}
@Override
protected Expression computeExpression(Expression[] inputs, int numInputs) {
Expression ret = inputs[0];
for (int i = 1; i < numInputs; i++) {
ret = Expressions.and(ret, inputs[i]);
}
return ret;
}
@Override
protected Value getIdentity() { return Value.TRUE; }
}