comparison src/samer/tools/SignalTrace.java @ 0:bf79fb79ee13

Initial Mercurial check in.

+/*
+ *	DoubleAgent.java
+ *
+ *	Copyright (c) 2000, Samer Abdallah, King's College London.
+ *	All rights reserved.
+ *
+ *	This software is provided AS IS and WITHOUT ANY WARRANTY;
+ *	without even the implied warranty of MERCHANTABILITY or
+ *	FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+package	samer.tools;
+import  samer.core.*;
+import  samer.core.types.*;
+import  java.util.*;
+import  java.awt.*;
+
+public class SignalTrace extends Trace
+{
+	VDouble		x;
+	Color			col;
+	Renderer		R;
+	int				oldj;
+
+	public SignalTrace(VDouble x) {
+		this.x=x;
+		col=Shell.getColor("color",getForeground());
+		R=(Renderer)Shell.get("renderer",Renderer.LINE);
+		oldj=-1;
+	}
+
+	public void run() {
+		super.run();
+		int j=height-map.toInt(x.value);
+		if (oldj<0) oldj=j;
+		graphics.setColor(col);
+		R.draw(graphics,x1,x2,oldj,j,j0);
+		oldj=j;
+	}
+	public void detach() { x.deleteObserver(this); }
+	public void update(Observable obs, Object arg) {
+		if (arg==Viewable.DISPOSING) { detach(); getParent().remove(this); }
+		else if (x==obs) run();
+		else super.update(obs,arg);
+	}
+
+	public void getCommands(Registry r) {	super.getCommands(r); r.add("renderer");	}
+	public void execute(String cmd, Environment env) throws Exception {
+		if (cmd.equals("renderer")) R=(Renderer)Shell.get("renderer",Renderer.LINE);
+		else super.execute(cmd,env);
+	}
+}
+