TP2/Image.java

   1
   2 class Image extends Forme implements Compactable, Comparable<Image> {
   3     final int IMAGE_MAX_SIZE = 100;
   4     Forme[] formeCollection;
   5     int formeNumber;
   6
   7     Image() {
   8         super();
   9         formeCollection = new Forme[IMAGE_MAX_SIZE];
  10         formeNumber = 0;
  11     }
  12
  13     Image(Point p) {
  14         super(p);
  15         formeCollection = new Forme[IMAGE_MAX_SIZE];
  16         formeNumber = 0;
  17     }
  18
  19     public int getSize() {
  20         return formeNumber;
  21     }
  22
  23     private boolean isEmpty() {
  24         return (formeNumber == 0);
  25     }
  26
  27     private boolean isFull() {
  28         return (formeNumber >= formeCollection.length);
  29     }
  30
  31     public void dessiner(Piletransformations pile) {
  32         for (int i = 0; i < formeNumber; i++) {
  33             formeCollection[i].dessiner(pile);
  34         }
  35     }
  36
  37     public void deplacer(Point p) {
  38         for (int i = 0; i < formeNumber; i++) {
  39             formeCollection[i].deplacer(p);
  40         }
  41     }
  42
  43     public boolean ajouter(Forme forme) {
  44         boolean rtVal = false;
  45         if (!isFull()) {
  46             formeCollection[formeNumber] = forme;
  47             formeNumber++;
  48             rtVal = true;
  49         }
  50         return rtVal;
  51     }
  52
  53     public boolean supprimer(int index) {
  54         boolean rtVal = false;
  55         if (!isEmpty()) {
  56             for (int j = index; (j < formeNumber - 1 && index < formeNumber); j++) {
  57                 formeCollection[j] = formeCollection[j + 1];
  58             }
  59             rtVal = true;
  60             formeNumber--;
  61         }
  62         return rtVal;
  63     }
  64
  65     public void afficher() {
  66         String className = this.getClass().getSimpleName();
  67         System.out.println("---- " + className + " ----");
  68         for (int i = 0; i < formeNumber; i++) {
  69             formeCollection[i].afficher();
  70         }
  71     }
  72
  73     public void compacter(int nElements) {
  74         // Heavy solution
  75         /* int minIndex = formeNumber - nElements - 1;
  76         for (int i = formeNumber - 1; (i > minIndex && !isEmpty()); i--) {
  77             supprimer(i);
  78         } */
  79         // Lightweight solution
  80         if (formeNumber - nElements > 0) {
  81             formeNumber -= nElements;
  82         } else {
  83             formeNumber = 0;
  84         }
  85     }
  86
  87     public int compareTo(Image image) {
  88         return formeNumber - image.getSize();
  89     }
  90
  91 }