\n\n";
$im = imagecreatefromjpeg($adrimg);
echo"\n\n\n";
//affichage des pixels
for($y=0;$y<=$hauteurcibl-$taillepixel/2;$y=$y+$taillepixel)
{
$ysource=($y+$taillepixel/2)/$ech;
for($x=0;$x<=$largeurcibl-$taillepixel/2;$x=$x+$taillepixel)
{
$xsource=($x+$taillepixel/2)/$ech;
$rgb = imagecolorat($im, $xsource, $ysource);
$r[$x][$y] = ($rgb >> 16) & 0xFF;
$g[$x][$y] = ($rgb >> 8) & 0xFF;
$b[$x][$y] = $rgb & 0xFF;
echo"
";
}
echo"\n\n
";
}
echo"\n";
//affichage de l'image jpg
echo"\n
";
echo"\n