5tarl0rd

<?php



  /************************************************************\

  *

  *    Basic Thumbnail Generator Copyright 2007 Derek Harvey

  *		 www.lotsofcode.com

  *

  *    This file is part of Basic Thumbnail Generator.

  *

  *    Basic Thumbnail Generator 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.

  *

  *    Basic Thumbnail Generator 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 Basic Thumbnail Generator; if not, write to the Free Software

  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  *

  *

  \************************************************************/



	class thumbnail

	{

		var $sourceFile; // We use this file to create the thumbnail

		var $originalFilename; // We use this to get the extension of the filename

		var $destinationDirectory; // The Directory in question

		var $destinationDirectoryFilename; // The destination filename

		

		var $createImageFunction = '';

		var $outputImageFunction = '';

		

		function generate($sourceFile = "", $originalFilename = "", $destinationDirectory = "", $destinationDirectoryFilename = "", $height = -1,$width = -1 )

		{

      if (!empty($sourceFile))

        $this->sourceFile = $sourceFile;

      

      if (!empty($originalFilename))

        $this->originalFilename = $originalFilename;

       

      if (!empty($destinationDirectory))

        $this->destinationDirectory = $destinationDirectory;

       

      if (!empty($destinationDirectoryFilename))

        $this->destinationDirectoryFilename = $destinationDirectoryFilename;

      

      if (!empty($width))

        $this->width = $width;

      

      if (!empty($height))

        $this->height = $height;



      list(, $this->extension) = explode('.', $this->originalFilename);

			

			switch ($this->extension)

			{

				case 'gif' : case 'GIF': case 'Gif':

					$createImageFunction = 'imagecreatefromgif';

					$outputImageFunction = 'imagegif';

				  break;

				

				case 'png' : case 'PNG': case 'Png':

					$createImageFunction = 'imagecreatefrompng';

					$outputImageFunction = 'imagepng';

				  break;

				

				case 'bmp' : case 'BMP': case 'Bmp':

					$createImageFunction = 'imagecreatefromwbmp';

					$outputImageFunction = 'imagewbmp';

				  break;

				

				case 'jpg': case 'jpeg': case 'JPG': case 'JPEG': case 'Jpeg':  case 'Jpg':

					$createImageFunction = 'imagecreatefromjpeg';

					$outputImageFunction = 'imagejpeg';

				  break;

				

				default : 

					exit("Sorry: The format '{$this->extension}' is unsuported");

				  break;

			}

			

			$this->img  = $createImageFunction($this->sourceFile);

			

			list($this->org_width, $this->org_height) = getimagesize($this->sourceFile);

			

			if ($this->height == -1)

			{

				$this->height = round($this->org_height * $this->width / $this->org_width);

			}

			

			if ($this->width == -1)

			{

				$this->width = round($this->org_width * $this->height / $this->org_height);

			}	 

			

			$this->xoffset = 0;

			$this->yoffset = 0;

			

			$this->img_new = imagecreatetruecolor($this->width, $this->height);	

			

			if ($this->img_new)

			{

				imagecopyresampled($this->img_new, $this->img, 0, 0, $this->xoffset, $this->yoffset, $this->width, $this->height, $this->org_width, $this->org_height);

				

				list($this->newFilename) = explode('.', $this->destinationDirectoryFilename);

				

				$this->fullDestination = ($this->destinationDirectory.'/'.$this->newFilename.'.'.$this->extension);

				

				$outputImageFunction($this->img_new, $this->fullDestination);

			}

			else

			{

				$this->failed = true;

			}

			

			if ($this->failed == false)

			{

				return $this->newFilename.'.'.$this->extension;

			}

		}

	}

?>