package org.concord.energy2d.view;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Stroke;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Line2D;
import org.concord.energy2d.model.Thermostat;
/**
* @author Charles Xie
*
*/
class ThermostatRenderer {
private Stroke stroke1, stroke2;
ThermostatRenderer() {
stroke1 = new BasicStroke(3);
stroke2 = new BasicStroke(1);
}
void render(Thermostat t, View2D v, Graphics2D g) {
if (!v.isVisible())
return;
if (t.getThermometer() != null) {
Stroke oldStroke = g.getStroke();
Color oldColor = g.getColor();
g.setStroke(stroke1);
g.setColor(Color.black);
float x1 = v.convertPointToPixelXf(t.getThermometer().getX());
float y1 = v.convertPointToPixelYf(t.getThermometer().getY());
float x2 = v.convertPointToPixelXf(t.getPowerSource().getCenter().x);
float y2 = v.convertPointToPixelYf(t.getPowerSource().getCenter().y);
g.draw(new Line2D.Float(x1, y1, x1, y2));
g.draw(new Line2D.Float(x1, y2, x2, y2));
g.setStroke(stroke2);
g.draw(new Ellipse2D.Float(x1 - 3, y1 - 3, 6, 6));
g.draw(new Ellipse2D.Float(x2 - 3, y2 - 3, 6, 6));
g.setColor(Color.white);
g.draw(new Line2D.Float(x1, y1, x1, y2));
g.draw(new Line2D.Float(x1, y2, x2, y2));
g.fill(new Ellipse2D.Float(x1 - 2, y1 - 2, 4, 4));
g.fill(new Ellipse2D.Float(x2 - 2, y2 - 2, 4, 4));
g.setStroke(oldStroke);
g.setColor(oldColor);
} else {
}
}
}
