bien le bonjour,

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integer to binary

// Learning Processing

int[] input = new int[10];

PFont f;

// Variable to store text currently being typed

String typing = "";

// Variable to store saved text when return is hit

String int2b = "";

// Variable to store saved text when return is hit

String int2H = "";

void setup() {

  size(300,200);

  f = createFont("Arial",16,true);

 int[] input = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };

}

void draw() {

  background(255);

  int indent = 25;

  

  // Set the font and fill for text

  textFont(f);

  fill(0);

  

  // Display everything

  text("entrez un nombre decimal ! ", 40, indent);

  text(typing,indent,90);

  text(int2b,indent,130);

  text(int2H,indent,170);

}

/*

void keyPressed() {

  // If the return key is pressed, save the String and clear it

  if (key == '\n' ) {

    saved = binary(parseInt(typing),8);

    // A String can be cleared by setting it equal to ""

    typing = ""; 

  } else if ( 47<keyCode && keyCode<58) {

    // Otherwise, concatenate the String

    // Each character typed by the user is added to the end of the String variable.

    typing = typing + key; 

  }

}

void keyPressed()

{

  switch (key) {// 

    case '\n':

      int2b = typing + " > " + binary(parseInt(typing),8);

      int2H = typing + " > " + hex(parseInt(typing),8);

    // A String can be cleared by setting it equal to ""

      typing = ""; 

      break;

    case '0':

    case '1':    

    case '2':

    case '3':    

    case '4':

    case '5':    

    case '6':

    case '7':    

    case '8':

    case '9':

    typing = typing + key; 

      break;     

    default: 

      break;

  }

}

*/

static final int digitToNum(char ch) {

  print(ch);

  int num = ch - '0';

  println(num);

  return num >= 0 & num <= 9 ? num : -1;

}

void keyPressed() {

  

  

  // If the return key is pressed, save the String and clear it

  if (key == '\n' ) {

      int2b = typing + " = " + binary(parseInt(typing),8);

      int2H = typing + " = " + hex(parseInt(typing),8);

    // A String can be cleared by setting it equal to ""

    typing = ""; 

  } else if ( digitToNum(key) > 0 ) {

    // Otherwise, concatenate the String

    // Each character typed by the user is added to the end of the String variable.

    typing = typing + key; 

  }

}