[PHP] Thumbnails

<?php

// PHP ThumbClass creates thumbnails for PHP
// Copyright (C) 2005  Simon Pantzare
//
// PHP ThumbClass is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// PHP ThumbClass is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with PHP ThumbClass; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class ThumbClass {

	var $img;

	// options
	var $img_dir = './img/';
	var $thumb_dir = './img/thumbs/';
	var $jpeg_quality = 80;
	var $m_width = 100;
	var $m_height = 75;

	function ThumbClass( $image ) {
		$this->img = strtolower( $image );
		// $this->create(); // uncomment this line if you want to create a thumbnail automatically
	}

	function create() {
		$filename = $this->img_dir . $this->img;
		$file_ending = explode( '.', $this->img );

		list($width_orig, $height_orig) = getimagesize($filename); // get new dimensions
		if( $this->m_width && ( $width_orig < $height_orig ) ) {
		   $this->m_width = ( $this->m_height / $height_orig ) * $width_orig;
		} else {
		   $this->m_height = ( $this->m_width / $width_orig ) * $height_orig;
		}

		// resample
		$image_p = imagecreatetruecolor( $this->m_width, $this->m_height );
		if( preg_match( "/jpg|jpeg/", $file_ending[1] ) ) { $image = imagecreatefromjpeg( $filename ); }
		if( preg_match( "/png/",$file_ending[1] ) ) { $image = imagecreatefrompng( $filename ); }
		imagecopyresampled( $image_p, $image, 0, 0, 0, 0, $this->m_width, $this->m_height, $width_orig, $height_orig );

		// output
		if( preg_match( "/png/",$file_ending[1] ) )
		{
			imagepng( $image_p, $this->thumb_dir . $this->img );
		} else {
			imagejpeg( $image_p, $this->thumb_dir . $this->img, $this->jpeg_quality );
		}
	}

	function delete() {
		unlink( $this->thumb_dir . $this->img );
	}

}

$thumbnail = new ThumbClass( 'my_pic.png' );
// $thumbnail = new ThumbClass( 'my_pic.jpg' );
$thumbnail->create(); // this will create a thumbnail of img/my_pic.png in img/thumbs/
// $thumbnail->delete(); // uncomment this line to delete img/thumbs/my_pic.png

?>