import processing.serial.*;

Serial myPort;  // The serial port

static int LF = 10;

// text to print
String lines[] = { 
  " ",
  "one potato",
  "two potato",
  "three potato",
  "four",
  " ",
  "five potato",
  "six potato",
  "seven potato",
  "or"
}; 

// place marker variable
int linesPos = 0;

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()[0], 4800);

  // graphics init
  size(200, 200);

  //  //init receipt printer
  myPort.write(ESC);
  myPort.write("@");
  
  // fast feed
  myPort.write(ESC);
  myPort.write('d');
  myPort.write(8);

  // line feed
  myPort.write(LF);
  
  // cut paper
  myPort.write(ESC);
  myPort.write('i');
  
  delay(1000);
  
};

void draw()
{   
  //  //change to color 1
  myPort.write(ESC);
  myPort.write(114);
  myPort.write(1); // color 1

  delay(1000);
  sendNextLine();
}

void sendNextLine() { 

  myPort.write(lines[linesPos]);
  myPort.write(LF);

  println(lines[linesPos]);
  linesPos++;

  if(linesPos >= lines.length) { 
    linesPos = 0;

    // fast feed
    myPort.write(ESC);
    myPort.write('d');
    myPort.write(8); // feed this many lines

    // cut paper
    myPort.write(ESC);
    myPort.write('i');

  }

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

  //myPort.write(9); //tab
  //  // change to font B
  //  myPort.write(ESC);
  //  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(ESC);
  //  myPort.write(97);
  //  myPort.write(0);

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

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

  //  myPort.write(ESC);
  //  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));
//}
//