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public void test(int x1, int y1, int x2, int y2) {
int x, y, dx, dy, xincr, yincr, erreur, i, coordX, coordY;
double scalePixel = (Plan.getScale() / 2);
Canvas c = new Canvas(simu);
Paint paint = new Paint();
dx = Math.abs(x2 - x1);
dy = Math.abs(y2 - y1);
if (x1 < x2) {
xincr = 1;
} else {
xincr = -1;
}
if (y1 < y2) {
yincr = 1;
} else {
yincr = -1;
}
x = x1;
y = y1;
if (dx > dy) {
erreur = dx / 2;
for (i = 0; i < dx; i++) {
x = x + xincr;
erreur = erreur + dy;
if (erreur > dx) {
erreur = erreur - dx;
y = y + yincr;
}
c.drawRect(x, y, (int) (x + scalePixel),
(int) (y + scalePixel), paint);
}
} else {
erreur = dy / 2;
for (i = 0; i < dy; i++) {
y = y + yincr;
erreur = erreur + dx;
if (erreur > dy) {
erreur = erreur - dy;
x = x + xincr;
}
c.drawRect(x, y, (int) (x + scalePixel),
(int) (y + scalePixel), paint);
}
}
} |
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