<?php
header('Content-Type: image/jpeg');
$im = imagecreatetruecolor(370,550);
$coul = imagecolorallocate($im, 0,0,0);
$rect = imagefilledrectangle($im, 0,0,300,550,$coul);
imagepng($im,'rectangleBase.png');

$user = 'root';
$pass = 'root';
$bd = new PDO('mysql:host=localhost:8889;dbname=polution',$user,$pass);
$requete = $bd->query('select * from 1_polution ');
$coordX = 10;
$coordY = 60;
foreach($requete as $l){
    $pollution =$l['1'];
    $ville = $l['0'];
    $texte = $ville.' : Pollution = '.$pollution;
    $heigth =intval($pollution);

    $coordXTexte = ($coordX + $coordY)/2 - 4 ;
    $coordYTexte = 550 - $heigth*5 - 5;
    $bite = imagecreatetruecolor($coordXTexte,$coordYTexte);
    $couleurTexte = imagecolorallocate($bite,255,255,255);
    imagestringup($im,1,$coordXTexte,$coordYTexte, $texte,$couleurTexte);

    $image = imagecreatetruecolor(50,$heigth*5);
    $couleur = imageColorAllocate($image, 255,0,0);
    $rectangle = imagefilledrectangle($im, $coordX,550,$coordY,550 - $heigth*5, $couleur);
    $coordX += 60;
    $coordY += 60;
    imagepng($im,'rectangleBase.png');
}
echo '<img src="rectangleBase.png" />';
?>