public static InterfaceGrille changeGrille(InterfaceGrille g) {
char[] tabstr = new char[10];
char[] tabsubst = new char[10];
int indicetab = 1, j, mem = -1;
char derniercar = '1';
String grilleTransformee = "";
char c;
boolean trouve;
String maGrille = g.toString();
tabstr[0] = maGrille.charAt(0);
if (tabstr[0] == '0') tabsubst[0] = '0'; // '.'
else tabsubst[0] = derniercar++;
grilleTransformee += tabsubst[0];
for (int i = 1; i < 81; i++) {
c = maGrille.charAt(i);
trouve = false;
j = 0;
while (j < indicetab) {
if (c == tabstr[j]) {
trouve = true;
mem = j;
}
j++;
}
if (trouve) grilleTransformee += tabsubst[mem];
else {
tabstr[indicetab] = c;
if (c == '0') tabsubst[indicetab] = '0'; // '.'
else tabsubst[indicetab] = derniercar++;
grilleTransformee += tabsubst[indicetab++];
}
}
return new Grille(grilleTransformee);
}
public static InterfaceGrille tourneGrille(InterfaceGrille g) {
String reverse = "";
int i = 8, j;
String grille = g.toString();
for (j = 0; j < 81; j++) {
reverse += grille.charAt(i);
i += 9;
if (i > 81) i -= 82;
}
return new Grille(reverse);
}
public static InterfaceGrille symetrieGrille(InterfaceGrille g) {
String reverse = "";
int i = 8, j, k = 0;
String grille = g.toString();
for (j = 0; j < 81; j++) {
reverse += grille.charAt(i + k);
i--;
if (i < 0) {
i = 8;
k += 9;
}
}
return new Grille(reverse);
}