IMAGES TI (TI83 + SE DANS MON CAS) AFFICHÉS EN .JPEG

<?php
$zoom=4;
$zoomp=2;
$a=file_get_contents('Pic2.8xi');
$img= ImageCreateTrueColor(96*$zoom,63*$zoom);
$white = ImageColorAllocate ($img, 255, 255, 255);
$black = ImageColorAllocate ($img, 0, 0, 0);
$grey = ImageColorAllocate ($img, 210, 210, 210);
ImageFilledRectangle($img, 0, 0, 96*$zoom, 64*$zoom, $white);
$c=74;
$d=$a{$c};
$e=128;
for ($y=0;$y<63;$y++){
	for ($x=0;$x<96;$x++){
		if ($d>=$e){
 			ImageFilledrectangle($img, $x*$zoom, $y*$zoom, $x*$zoom+$zoomp, $y*$zoom+$zoomp, $black);
			$d=$d-$e;
		}else{
			ImageFilledrectangle($img, $x*$zoom, $y*$zoom, $x*$zoom+$zoomp, $y*$zoom+$zoomp, $grey);
		}
		$e=$e/2;
		if ($e==1/2){
			$e=128;
			$c++;
			$d=ord($a{$c});
		}
	}
}


header('content-type: image/jpeg');
imagejpeg($img);
imagedestroy($img);
?>