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SimpleImage.php help


conan318

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I am trying use simple image to resize images as i upload but i cant get it to work.. any ideas where i am going wrong

 

 

simpleimage.php

<?php

/*
* File: SimpleImage.php
* Author: Simon Jarvis
* Copyright: 2006 Simon Jarvis
* Date: 08/11/06
* Link: http://www.white-hat-web-design.co.uk/articles/php-image-resizing.php
*
* This program 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.
*
* This program 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:
* http://www.gnu.org/licenses/gpl.html
*
*/

class SimpleImage {

   var $image;
   var $image_type;

   function load($filename) {

      $image_info = getimagesize($filename);
      $this->image_type = $image_info[2];
      if( $this->image_type == IMAGETYPE_JPEG ) {

         $this->image = imagecreatefromjpeg($filename);
      } elseif( $this->image_type == IMAGETYPE_GIF ) {

         $this->image = imagecreatefromgif($filename);
      } elseif( $this->image_type == IMAGETYPE_PNG ) {

         $this->image = imagecreatefrompng($filename);
      }
   }
   function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) {

      if( $image_type == IMAGETYPE_JPEG ) {
         imagejpeg($this->image,$filename,$compression);
      } elseif( $image_type == IMAGETYPE_GIF ) {

         imagegif($this->image,$filename);
      } elseif( $image_type == IMAGETYPE_PNG ) {

         imagepng($this->image,$filename);
      }
      if( $permissions != null) {

         chmod($filename,$permissions);
      }
   }
   function output($image_type=IMAGETYPE_JPEG) {

      if( $image_type == IMAGETYPE_JPEG ) {
         imagejpeg($this->image);
      } elseif( $image_type == IMAGETYPE_GIF ) {

         imagegif($this->image);
      } elseif( $image_type == IMAGETYPE_PNG ) {

         imagepng($this->image);
      }
   }
   function getWidth() {

      return imagesx($this->image);
   }
   function getHeight() {

      return imagesy($this->image);
   }
   function resizeToHeight($height) {

      $ratio = $height / $this->getHeight();
      $width = $this->getWidth() * $ratio;
      $this->resize($width,$height);
   }

   function resizeToWidth($width) {
      $ratio = $width / $this->getWidth();
      $height = $this->getheight() * $ratio;
      $this->resize($width,$height);
   }

   function scale($scale) {
      $width = $this->getWidth() * $scale/100;
      $height = $this->getheight() * $scale/100;
      $this->resize($width,$height);
   }

   function resize($width,$height) {
      $new_image = imagecreatetruecolor($width, $height);
      imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
      $this->image = $new_image;
   }      

}
?>

 

 

form.php

 

<?php
   if( isset($_POST['submit']) ) {

      include('../php/SimpleImage.php');
      $image = new SimpleImage();
      $image->load($_FILES['uploaded_image']['tmp_name']);
      $image->resizeToWidth(150);
      $image->output();
   } else {

?>

   <form action="../php/gallery.php" method="post" enctype="multipart/form-data">
      <input type="file" name="uploaded_image" id="uploaded_image" />

      <input type="submit" name="submit" value="Upload" />

   </form>

<?php

}
?>

 

 

gallery.php

 


if ($_FILES['uploaded_image']['size']!= 0){


$ext_a = explode(".", $_FILES['uploaded_image']['name']);

$ext = $ext_a[1];
if ( ($ext!=="gif" && $ext!=="JPG" && $ext!=="png" && $ext!=="jpg" )){
echo "Error IMAGES MUST BE EITHER PNG, GIF OR JPG ";
echo "<a href='gal.php'>Go back</a>";
die;
}

/* hashes the file name with the date and time to genrate a uniue file name*/
$img=md5($_FILES['uploaded_imagee']['name'] . date("m.d.y H:m:s")) . "." . $ext;
$target_path = "../gallery/";

$target_path = $target_path .basename($img); 

$insert_user=mysql_query("INSERT INTO mongrels_db.gallery (img) VALUES ('$img')") ;
if(move_uploaded_file($_FILES['uploaded_image']['tmp_name'], $target_path)) {
    echo "The file ".  basename( $_FILES['uploaded_image']['name']). 
    " has been uploaded";
echo"<br>";


}
}else{
echo"<p style='font-size: 20px; color:red;' >";
echo"There was an error in uploading this image";
echo"<br>";
echo"this error may be because the file you are uploading exceeds 2mb";
echo"<br>";
echo"please resize this image";
echo"<br>";
echo"or you did not select a file to upload";
echo"<br>";
echo"<a href='gal.php'>go back</a>";
echo"</p>";


}
?>

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