<?
		include ("../funcoes/funcoes.php");
		$mySQL = new conexao();

function gera_foto($id, $img, $forum,$mySQL) {


$localiza = $mySQL->query("SELECT * FROM imagens where id_user='$id' and arquivo='$img'");
$mostra = $localiza->fetch();


	$data = $mostra["conteudo"];
    $type = $mostra["tipo"];

    Header( "Content-type: $type");

if ($forum == "1") {
    $size = 120;  // new image width
}
else {
    $size = 80;  // new image width
}

    $src = imagecreatefromstring($data);
    $width = imagesx($src);
    $height = imagesy($src);
    $aspect_ratio = $height/$width;

    if ($width <= $size) {
      $new_w = $width;
      $new_h = $height;
    } else {
      $new_w = $size;
      $new_h = abs($new_w * $aspect_ratio);
    }

    $img = imagecreatetruecolor($new_w,$new_h);
    imagecopyresized($img,$src,0,0,0,0,$new_w,$new_h,$width,$height);

    // determine image type and send it to the client
    if ($type == "image/jpeg") {
      imagejpeg($img, null, 90);
    } else if ($type == "image/png") {
      imagepng($img, null, 9);
    } else if ($type == "image/gif") {
      imagegif($img, null, 90);
    }
    imagedestroy($img);

} // fim funcao

	gera_foto($_GET['id'],$_GET['img'],$_GET['forum'],$mySQL);



?>