TP2/Image.java

   1 import java.util.Comparator;
   2
   3 @ClassPreamble (
   4     author = "Jérôme Benoit",
   5     date = "09/11/2009"
   6 )
   7 public class Image extends Forme implements Compactable,
   8                                             Comparable<Image>,
   9                                             Comparator<Image> {
  10     final int IMAGE_MAX_SIZE = 100;
  11     Forme[] formeCollection;
  12     int formeNumber;
  13
  14     Image() {
  15         super();
  16         formeCollection = new Forme[IMAGE_MAX_SIZE];
  17         formeNumber = 0;
  18     }
  19
  20     Image(Point p) {
  21         super(p);
  22         formeCollection = new Forme[IMAGE_MAX_SIZE];
  23         formeNumber = 0;
  24     }
  25
  26     public int getSize() {
  27         return formeNumber;
  28     }
  29
  30     private boolean isEmpty() {
  31         return (formeNumber == 0);
  32     }
  33
  34     private boolean isFull() {
  35         return (formeNumber >= formeCollection.length);
  36     }
  37
  38     public void dessiner(Piletransformations pile) {
  39         for (int i = 0; i < formeNumber; i++) {
  40             formeCollection[i].dessiner(pile);
  41         }
  42     }
  43
  44     public void deplacer(Point p) {
  45         for (int i = 0; i < formeNumber; i++) {
  46             formeCollection[i].deplacer(p);
  47         }
  48     }
  49
  50     public boolean ajouter(Forme forme) {
  51         boolean rtVal = false;
  52         if (!isFull()) {
  53             formeCollection[formeNumber] = forme;
  54             formeNumber++;
  55             rtVal = true;
  56         }
  57         return rtVal;
  58     }
  59
  60     public boolean supprimer(int index) {
  61         boolean rtVal = false;
  62         if (!isEmpty()) {
  63             for (int j = index; (j < formeNumber - 1 && index < formeNumber); j++) {
  64                 formeCollection[j] = formeCollection[j + 1];
  65             }
  66             rtVal = true;
  67             formeNumber--;
  68         }
  69         return rtVal;
  70     }
  71
  72     public void afficher() {
  73         String className = this.getClass().getSimpleName();
  74         System.out.println("---- " + className + " ----");
  75         for (int i = 0; i < formeNumber; i++) {
  76             formeCollection[i].afficher();
  77         }
  78     }
  79
  80     public void compacter(int nElements) {
  81         // Heavy solution
  82         /* int minIndex = formeNumber - nElements - 1;
  83         for (int i = formeNumber - 1; (i > minIndex && !isEmpty()); i--) {
  84             supprimer(i);
  85         } */
  86         // Lightweight solution
  87         if (formeNumber - nElements > 0) {
  88             formeNumber -= nElements;
  89         } else {
  90             formeNumber = 0;
  91         }
  92     }
  93
  94     public int compareTo(Image image) {
  95         return formeNumber - image.getSize();
  96     }
  97
  98     public int compare(Image image1, Image image2) {
  99         return (int)(image1.getpOri().getY() - image2.getpOri().getY());
 100     }
 101
 102 }