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VFront
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VFront

Source for file thumb.php

Documentation is available at thumb.php

  1. <?php
  2. /**
  3. * Genera i thumbnail (diapositive) per le immagini allegate.
  4. * Viene richiamato dal file {@link add.attach.php}
  5. * 
  6. * @package VFront
  7. * @author Mario Marcello Verona <marcelloverona@gmail.com>
  8. * @copyright 2007 Mario Marcello Verona
  9. * @version 0.90
  10. * @license http://www.gnu.org/licenses/gpl.html GNU Public License
  11. */
  12.  
  13. require("./inc/conn.php");
  14.  
  15. proteggi(1);
  16.  
  17. function printThumbnail($imgfile,$max_width=100,$max_height=100) {
  18.        list($org_width,$org_height,$orgtype) = getimagesize($imgfile);
  19.        $div_width = $org_width / $max_width;
  20.        $div_height = $org_height / $max_height;
  21.        if($div_width >= $div_height) {
  22.            $new_width = $max_width;
  23.            $new_height = round($org_height / $div_width);
  24.        }
  25.        else {
  26.            $new_height = $max_height;
  27.            $new_width = round($org_width / $div_height);
  28.        }
  29.        switch($orgtype) {
  30.            case 1: $im = imagecreatefromgif($imgfile); break;
  31.            case 2: $im = imagecreatefromjpeg($imgfile); break;
  32.            case 3: $im = imagecreatefrompng($imgfile); break;
  33.        }
  34.        if($im) {
  35.            $tn = imagecreatetruecolor($new_width,$new_height);
  36.            if($tn) {
  37.                imagecopyresized($tn,$im,0,0,0,0,$new_width,$new_height,$org_width,$org_height);
  38.                switch($orgtype) {
  39.                    case 1: header("Content-Type: image/gif"); imagegif($tn); break;
  40.                    case 2: header("Content-Type: image/jpeg"); imagejpeg($tn); break;
  41.                    case 3: header("Content-Type: image/png"); imagepng($tn); break;
  42.                }
  43.                imagedestroy($tn);
  44.            }
  45.        }
  46.    }
  47.    
  48.     
  49.    
  50.    $ID = (int) $_GET['id'];
  51.    
  52.    $IMG=_PATH_ATTACHMENT."/$ID.dat";
  53.    
  54.    if(is_file($IMG)){
  55.            printThumbnail($IMG,150,150);
  56.    }
  57.    
  58. ?>
Documentation generated on Sat, 22 Sep 2007 11:51:34 +0200 by phpDocumentor 1.4.0a2