picproc.php

<?php

echo <<<_END
<font face='Courier New' size='4'><pre>
<ul>
  <b><u>PHP PICTURE PROCESSOR</u>
  <form method='post' action='picproc.php'
    enctype='multipart/form-data'>
  UPLOAD : <input type='file' name='p' size='1'>
  ACTION : <select name='a'>
    <option value=0>No Action
    <option value=1>Sharpen
    <option value=2>Blur
    <option value=3>Brighten
    <option value=4>Darken
    <option value=5>More Contrast
    <option value=6>Less Contrast
    <option value=7>Greyscale
    <option value=8>Invert
    <option value=9>Reder
    <option value=10>Greener
    <option value=11>Bluer
    <option value=12>Edge Detect
    <option value=13>Emboss
    <option value=14>Sketchify
  </select>
  RESIZE : W <input type='text' name='w'
    size='1'> H <input type='text' name='h' size='1'>
  <input type='submit'></form></pre>
</ul>
_END;

$p  = $_FILES['p']['name'];
$a  = $_POST['a'];
$w  = $_POST['w'];
$h  = $_POST['h'];
$t  = "pic.jpg";
$rn = rand(0, 65535);

if ($p)
{
  move_uploaded_file($_FILES['p']['tmp_name'], $t);

  switch($_FILES['p']['type'])
  {
    case "image/gif":  $s = imagecreatefromgif($t);  break;
    case "image/jpeg": $s = imagecreatefromjpeg($t); break;
    case "image/png":  $s = imagecreatefrompng($t);  break;
  }
  @imagejpeg($s, $t);
}
else $s = @imagecreatefromjpeg($t);

switch($a)
{
  case 1:  @imageconvolution($s, array(array(-1, -1, -1),
             array(-1, 16, -1), array(-1, -1, -1)), 8, 0);       break;
  case 2:  @imagefilter($s, IMG_FILTER_GAUSSIAN_BLUR);           break;
  case 3:  @imagefilter($s, IMG_FILTER_BRIGHTNESS,  20);         break;
  case 4:  @imagefilter($s, IMG_FILTER_BRIGHTNESS, -20);         break;
  case 5:  @imagefilter($s, IMG_FILTER_CONTRAST,   -20);         break;
  case 6:  @imagefilter($s, IMG_FILTER_CONTRAST,    20);         break;
  case 7:  @imagefilter($s, IMG_FILTER_GRAYSCALE);               break;
  case 8:  @imagefilter($s, IMG_FILTER_NEGATE);                  break;
  case 9:  @imagefilter($s, IMG_FILTER_COLORIZE, 128, 0, 0, 50); break;
  case 10: @imagefilter($s, IMG_FILTER_COLORIZE, 0, 128, 0, 50); break;
  case 11: @imagefilter($s, IMG_FILTER_COLORIZE, 0, 0, 128, 50); break;
  case 12: @imagefilter($s, IMG_FILTER_EDGEDETECT);              break;
  case 13: @imagefilter($s, IMG_FILTER_EMBOSS);                  break;
  case 14: @imagefilter($s, IMG_FILTER_MEAN_REMOVAL);            break;
}
  
if ($w)
{
  list($tw, $th) = getimagesize($t);
  $s1            = imagecreatetruecolor($w, $h);
  imagecopyresampled($s1, $s, 0, 0, 0, 0, $w, $h, $tw, $th);

  imagejpeg($s1, $t);
  imagedestroy($s1);
}
else @imagejpeg($s, $t);

@imagedestroy($s);

if (file_exists($t)) echo "<img src=$t?rn=$rn>";

?>