Thread: Scaling Images
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Old 01-31-2005, 12:25 AM
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Default Scaling Images

Well, last night I made this image scaling script, and then forgot what it was for... and then it dawned on me - it could be used for fixing the problem with some fixed skins where images that are posted that are too big mess up the skin... So, here's the script:

PHP Code:
<?

// Scale Function

function scale($file) {

  // Set Globals

  $mw = 400; // Max Thumbnail Width
  $mh = 400; // Max Thumbnail Height

  // Get Initial Image Dimensions

  $image = getimagesize($file);
  $w = $image[0];
  $h = $image[1];

  // Calculate Thumbnail Dimensions

  if ($w > $mw or $h > $mh) {

    if ($w > $h) {

      $tw = $mw;
      $d = ($w / $mw);
      $th = ($h / $d);

    }

    else {

      $th = $mh;
      $d = ($h / $mh);
      $tw = ($w / $d);

    }

  }

  else {

    $tw = $w;
    $th = $h;

  }

  // Display Image

  echo"<img src=\"{$file}\" width=\"{$tw}\" height=\"{$th}\" border=\"0\">";

}

// Scale image.jpg

scale("image.jpg");

?>
I assume you could just stick that in the BBCode interperator somehow... The only problem I could think of would be that forums can have multiple skins, but I'm sure there's a way to fix that... I don't remember why I decided to post this, but... uhh...

Enjoy!

EDIT: Notice that I make alot of references to... "thumbnail" in the script. That's because it was originally a thumbnail script and then I sort of changed my mind about what it should do...
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