polargraphcontroller/Misc.pde

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/**
Polargraph controller
Copyright Sandy Noble 2015.
This file is part of Polargraph Controller.
Polargraph Controller 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 3 of the License, or
(at your option) any later version.
Polargraph Controller 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 Polargraph Controller. If not, see <http://www.gnu.org/licenses/>.
Requires the excellent ControlP5 GUI library available from http://www.sojamo.de/libraries/controlP5/.
Requires the excellent Geomerative library available from http://www.ricardmarxer.com/geomerative/.
This is an application for controlling a polargraph machine, communicating using ASCII command language over a serial link.
sandy.noble@gmail.com
http://www.polargraph.co.uk/
https://github.com/euphy/polargraphcontroller
*/
class Scaler
{
public float scale = 1.0;
public float mmPerStep = 1.0;
public Scaler(float scale, float mmPerStep)
{
this.scale = scale;
this.mmPerStep = mmPerStep;
}
public void setScale(float scale)
{
this.scale = scale;
}
public float scale(float in)
{
return in * mmPerStep * scale;
}
}
class PreviewVector extends PVector
{
public String command;
}
import java.awt.Toolkit;
import java.awt.BorderLayout;
import java.awt.GraphicsEnvironment;
public class Console extends WindowAdapter implements WindowListener, ActionListener, Runnable
{
private JFrame frame;
private JTextArea textArea;
private Thread reader;
private Thread reader2;
private boolean quit;
private final PipedInputStream pin=new PipedInputStream();
private final PipedInputStream pin2=new PipedInputStream();
private PrintStream cOut = System.out;
private PrintStream cErr = System.err;
Thread errorThrower; // just for testing (Throws an Exception at this Console
public Console()
{
// create all components and add them
frame=new JFrame("Java Console");
Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize=new Dimension((int)(screenSize.width/2),(int)(screenSize.height/2));
int x=(int)(frameSize.width/2);
int y=(int)(frameSize.height/2);
frame.setBounds(x,y,frameSize.width,frameSize.height);
textArea=new JTextArea();
textArea.setEditable(false);
JButton button=new JButton("clear");
frame.getContentPane().setLayout(new BorderLayout());
frame.getContentPane().add(new JScrollPane(textArea),BorderLayout.CENTER);
frame.getContentPane().add(button,BorderLayout.SOUTH);
frame.setVisible(true);
frame.addWindowListener(this);
button.addActionListener(this);
try
{
this.cOut = System.out;
PipedOutputStream pout=new PipedOutputStream(this.pin);
System.setOut(new PrintStream(pout,true));
}
catch (java.io.IOException io)
{
textArea.append("Couldn't redirect STDOUT to this console\n"+io.getMessage());
}
catch (SecurityException se)
{
textArea.append("Couldn't redirect STDOUT to this console\n"+se.getMessage());
}
try
{
this.cErr = System.err;
PipedOutputStream pout2=new PipedOutputStream(this.pin2);
System.setErr(new PrintStream(pout2,true));
}
catch (java.io.IOException io)
{
textArea.append("Couldn't redirect STDERR to this console\n"+io.getMessage());
}
catch (SecurityException se)
{
textArea.append("Couldn't redirect STDERR to this console\n"+se.getMessage());
}
quit=false; // signals the Threads that they should exit
// Starting two seperate threads to read from the PipedInputStreams
//
reader=new Thread(this);
reader.setDaemon(true);
reader.start();
//
reader2=new Thread(this);
reader2.setDaemon(true);
reader2.start();
// // testing part
// // you may omit this part for your application
// //
// System.out.println("Hello World 2");
// System.out.println("All fonts available to Graphic2D:\n");
// GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
// String[] fontNames=ge.getAvailableFontFamilyNames();
// for(int n=0;n<fontNames.length;n++) System.out.println(fontNames[n]);
// // Testing part: simple an error thrown anywhere in this JVM will be printed on the Console
// // We do it with a seperate Thread becasue we don't wan't to break a Thread used by the Console.
// System.out.println("\nLets throw an error on this console");
// errorThrower=new Thread(this);
// errorThrower.setDaemon(true);
// errorThrower.start();
}
public synchronized void windowClosed(WindowEvent evt)
{
quit=true;
this.notifyAll(); // stop all threads
try {
reader.join(1000);
pin.close();
System.setOut(this.cOut);
}
catch (Exception e){
}
try {
reader2.join(1000);
pin2.close();
System.setErr(this.cErr);
}
catch (Exception e){
}
// System.exit(0);
}
public synchronized void windowClosing(WindowEvent evt)
{
frame.setVisible(false); // default behaviour of JFrame
frame.dispose();
}
public synchronized void actionPerformed(ActionEvent evt)
{
textArea.setText("");
}
public synchronized void run()
{
try
{
while (Thread.currentThread()==reader)
{
try {
this.wait(100);
}
catch(InterruptedException ie) {
}
if (pin.available()!=0)
{
String input=this.readLine(pin);
textArea.append(input);
textArea.setCaretPosition(textArea.getDocument().getLength());
}
if (quit) return;
}
while (Thread.currentThread()==reader2)
{
try {
this.wait(100);
}
catch(InterruptedException ie) {
}
if (pin2.available()!=0)
{
String input=this.readLine(pin2);
textArea.append(input);
textArea.setCaretPosition(textArea.getDocument().getLength());
}
if (quit) return;
}
}
catch (Exception e)
{
textArea.append("\nConsole reports an Internal error.");
textArea.append("The error is: "+e);
}
}
public void close()
{
this.windowClosing(null);
}
public synchronized String readLine(PipedInputStream in) throws IOException
{
String input="";
do
{
int available=in.available();
if (available==0) break;
byte b[]=new byte[available];
in.read(b);
input=input+new String(b,0,b.length);
}
while( !input.endsWith("\n") && !input.endsWith("\r\n") && !quit);
return input;
}
}