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Image Resizer

Dieses Script resized alle Grafiken aus einem Verzeichnis und speichert die neuen Bilder in einem vorgegebenen Verzeichnis

Script:
<html>
<head>
<title>Image-Resizer</title>
</head>
<body>
<?
   if ( ! isset($_POST["submit"]))
   {
?>
  <div align='center'>
    <center>
  <form action='<? echo $_SERVER["PHP_SELF"]; ?>' method='POST'>
  <table border='0' width='50%'>
    <tr>
      <td>&nbsp;</td>
      <td><font size='5'><b>Image-Resizer</b></font></td>
    </tr>
    <tr>
      <td height='20'>&nbsp;</td>
      <td height='20'>&nbsp;</td>
    </tr>
    <tr>
      <td>Quellverzeichnis:</td>
      <td><input type='text' name='source' size='30'></td>
    </tr>
    <tr>
      <td>Zielverzeichnis:</td>
      <td><input type='text' name='destination' size='30'></td>
    </tr>
    <tr>
      <td>Breite in Pixel:</td>
      <td><input type='text' name='width' size='4'></td>
    </tr>
    <tr>
      <td>Höhe in Pixel:</td>
      <td><input type='text' name='height' size='4'></td>
    </tr>
    <tr>
    <td>Qualität:</td>
    <td><input type='text' name='quality' size='4' value='100'></td>
    </tr>
    <tr>
      <td>Proportional:</td>
      <td><input type='checkbox' name='fixed' checked></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td><input type='submit' name='submit' value='Abschicken'</td>
    </tr>
  </table>
  </form>
    </center>
  </div>
<?
   }
   else
   {
      // Bei Timeout-Problemen den Wert erhöhen
      ini_set("max_execution_time", "3000");

      $source = $_POST["source"];
      $dest   = $_POST["destination"];
      $width  = $_POST["width"];
      $height = $_POST["height"];
      $quality = $_POST["quality"];

      if (isset($_POST["fixed"]))
        $fixed   = true;
      else
        $fixed   = false;

      if (! strlen ($source))
      {
         echo "Kein Quellverzeichnis";
         exit;
      }

      if (! strlen ($dest))
      {
         echo "Kein Zielverzeichnis";
         exit;
      }

      if (! strlen ($width) || ! strlen ($height))
      {
         echo "Keine Größen angegeben";
         exit;
      }

      if ($fixed)
      {
         if (strlen ($width))
            $height = 0;
          else if (strlen ($height))
            $widht = 0;
      }

      include_once("./functions.inc.php");

      $data = getImagesFromPath($source);

      if (! file_exists($dest))
      {
         if ( ! mkdir ($dest, "0777"))
         {
           echo "Verzeichnis $dest konnte nicht angelegt werden";
           exit;
         }
      }
      foreach($data as $name)
      {
          $in  = $source . "/" . $name;
          $out = $dest . "/" . $name;
          $ret = resizeImage($in, $out, $width, $height, $quality);
          if ($ret)
            echo "Grafik $out erzeugt<br>\n";
          else
            echo "<font color='#FF0000'>Grafik $out konnte nicht erzeugt werden</font><br>\n";
      }

   }
?>
</body>
</html>
<?
  //
  //   functions.inc.php
  //
  function getImagesFromPath($path)
  {
    $result = array();

    $handle=opendir($path);

    while ($file = readdir ($handle))
    {
       if ($file != "." && $file != "..")
       {
          if (! is_dir($file))
          {
            $tmp = strtolower($file);
            $sub = substr($tmp, -4);
            if ($sub == ".png" || $sub == ".jpg" || $sub == ".gif" || $sub == ".bmp")
               $result[] = $file;
          }
       }
    }

    return $result;
  }

  function resizeImage($file_name_src, $file_name_dest, $width=0, $height = 0, $quality=100)
  {

   if (file_exists($file_name_src)  && isset($file_name_dest))
   {
       if ($width == 0 && $height == 0)
         return false;
       
       $est_src = pathinfo(strtolower($file_name_src));
       $est_dest = pathinfo(strtolower($file_name_dest));

       $size = getimagesize($file_name_src);

       if ($height && ! $width)
       {
         $h = number_format($height, 0, ',', '');
         $w = number_format(($size[0]/$size[1])*$height,0,',','');
       }
       else if (! $height && $width)
       {
         $w = number_format($width, 0, ',', '');
         $h = number_format(($size[1]/$size[0])*$width,0,',','');
       }
       else
       {
         $h = number_format($height, 0, ',', '');
         $w = number_format($width, 0, ',', '');
       }

       if ($est_dest['extension'] == "gif" || $est_dest['extension'] == "jpg")
       {
           $file_name_dest = substr_replace($file_name_dest, 'jpg', -3);
           $dest = imagecreatetruecolor($w, $h);
           imageantialias($dest, TRUE);
       } elseif ($est_dest['extension'] == "png")
       {
           $dest = imagecreatetruecolor($w, $h);
           imageantialias($dest, TRUE);
       } else
       {
           return FALSE;
       }

       switch($size[2])
       {
       case 1:      //GIF
           $src = imagecreatefromgif($file_name_src);
           break;
       case 2:      //JPEG
           $src = imagecreatefromjpeg($file_name_src);
           break;
       case 3:      //PNG
           $src = imagecreatefrompng($file_name_src);
           break;
       default:
           return FALSE;
           break;
       }

       imagecopyresampled($dest, $src, 0, 0, 0, 0, $w, $h, $size[0], $size[1]);
       
       switch($size[2])
       {
       case 1:
       case 2:
           imagejpeg($dest,$file_name_dest, $quality);
           break;
       case 3:
           imagepng($dest,$file_name_dest);
       }
       return TRUE;
   }
   return FALSE;
}

 
ID: 767
eingestellt am: 25.03.2005
Autor: na
Status zum lesen: Gast
gelesen: 7560
Webseite: www.dreamcodes.com
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