/* Copyright (c) 2011, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
/**
* Based on PUCTools (v0.9 beta) by CRC - PUC - Minas (pucmg.crc at gmail.com)
*/
package com.cburch.logisim.std.wiring;
import java.awt.Graphics2D;
import com.cburch.logisim.tools.key.BitWidthConfigurator;
import com.cburch.logisim.util.GraphicsUtil;
import com.cburch.logisim.circuit.Wire;
import com.cburch.logisim.data.Attribute;
import com.cburch.logisim.data.AttributeSet;
import com.cburch.logisim.data.BitWidth;
import com.cburch.logisim.data.Bounds;
import com.cburch.logisim.data.Direction;
import com.cburch.logisim.data.Location;
import com.cburch.logisim.data.Value;
import com.cburch.logisim.instance.Instance;
import com.cburch.logisim.instance.InstanceFactory;
import com.cburch.logisim.instance.InstancePainter;
import com.cburch.logisim.instance.InstanceState;
import com.cburch.logisim.instance.Port;
import com.cburch.logisim.instance.StdAttr;
public class Power extends InstanceFactory {
public Power() {
super("Power", Strings.getter("powerComponent"));
setIconName("power.gif");
setAttributes(new Attribute[] { StdAttr.FACING, StdAttr.WIDTH },
new Object[] { Direction.NORTH, BitWidth.ONE });
setFacingAttribute(StdAttr.FACING);
setKeyConfigurator(new BitWidthConfigurator(StdAttr.WIDTH));
setPorts(new Port[] { new Port(0, 0, Port.OUTPUT, StdAttr.WIDTH) });
}
@Override
protected void configureNewInstance(Instance instance) {
instance.addAttributeListener();
}
@Override
protected void instanceAttributeChanged(Instance instance, Attribute<?> attr) {
if (attr == StdAttr.FACING) {
instance.recomputeBounds();
}
}
@Override
public Bounds getOffsetBounds(AttributeSet attrs) {
return Bounds.create(0, -8, 15, 16)
.rotate(Direction.EAST, attrs.getValue(StdAttr.FACING), 0, 0);
}
@Override
public void propagate(InstanceState state) {
BitWidth width = state.getAttributeValue(StdAttr.WIDTH);
state.setPort(0, Value.repeat(Value.TRUE, width.getWidth()), 1);
}
@Override
public void paintInstance(InstancePainter painter) {
drawInstance(painter, false);
painter.drawPorts();
}
@Override
public void paintGhost(InstancePainter painter) {
drawInstance(painter, true);
}
private void drawInstance(InstancePainter painter, boolean isGhost) {
Graphics2D g = (Graphics2D) painter.getGraphics().create();
Location loc = painter.getLocation();
g.translate(loc.getX(), loc.getY());
Direction from = painter.getAttributeValue(StdAttr.FACING);
int degrees = Direction.EAST.toDegrees() - from.toDegrees();
double radians = Math.toRadians((degrees + 360) % 360);
g.rotate(radians);
GraphicsUtil.switchToWidth(g, Wire.WIDTH);
if (!isGhost && painter.getShowState()) {
g.setColor(painter.getPort(0).getColor());
}
g.drawLine(0, 0, 5, 0);
GraphicsUtil.switchToWidth(g, 1);
if (!isGhost && painter.shouldDrawColor()) {
BitWidth width = painter.getAttributeValue(StdAttr.WIDTH);
g.setColor(Value.repeat(Value.TRUE, width.getWidth()).getColor());
}
g.drawPolygon(new int[] { 6, 14, 6 }, new int[] { -8, 0, 8 }, 3);
g.dispose();
}
}