import processing.serial.*;

Serial myPort;  // The serial port
int data;

// text buffer to be displayed
String textBuff = "";

// timing handling for computer generated messages
int j=0;

// input text list
String list[] = { 
  ""
}; // to hold text file
int listPos = 500;

void setup() {

  // serial init
  println(Serial.list());
  // I know that the first port in the serial list on my mac
  // is always my  Keyspan adapter, so I open Serial.list()[0].
  // Open whatever port is the one you're using.
  myPort = new Serial(this, Serial.list()[1], 4800);

  // graphics init
  size(200, 200);

  loadText();  // source text, when speaking with my voice

  //  //init receipt printer
  myPort.write(27);
  myPort.write("@");
};

void draw()
{ 
  sendNextLine();
  line(width/2, height/2, millis()%width, millis()%height);
  delay(2000);
}

void sendNextLine() { 

  //while(textBuff.length()<NUMCHARS) textBuff = textBuff + ' ';

  //myPort.write(9); //tab



  //  // change to font B
  //  myPort.write(27);
  //  myPort.write(33);
  //  myPort.write(1); // Character font: 0=A,1=B 
  //  //myPort.write(8);  // emphasized
  myPort.write(16);  // double height
  myPort.write(32);  // double width
  myPort.write(128);  //underlined


//  //select center justify
//  myPort.write(27);
//  myPort.write(97);
//  myPort.write(0);

//  //change to color 1
//  myPort.write(27);
//  myPort.write(114);
//  myPort.write(1); // color 1

//  // turn on double strike mode
//  myPort.write(27);
//  myPort.write(71);
//  myPort.write(1);

  // print a few blank lines
  myPort.write(27);
  myPort.write(100);
  myPort.write(5);

  // cut paper
  myPort.write(29);
  myPort.write(86);
  myPort.write(0);

//  myPort.write(list[listPos]);
//  println(list[listPos]);

//  myPort.write(27);
//  myPort.write("m");

//  myPort.write(char(10)); // LF
//  myPort.write(char(10)); // LF
}

void loadText()
{
  //String lines[] = loadStrings("two stroke engine2.txt");
  //String lines[] = loadStrings("script.txt");
  String lines[] = loadStrings("/Users/rtwomey/script/script.txt");

  //String lines[] = loadStrings("SCIP.txt");
  //String lines[] = loadStrings("serialart.txt");
  println("there are " + lines.length + " lines in the file.");

  list = lines;

  listPos = int(random(list.length));
}