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File: resize.php

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  Classes of George Clarke  >  ABrowser Class  >  resize.php  >  Download  
File: resize.php
Role: Auxiliary script
Content type: text/plain
Description: Resizes and displays images
Class: ABrowser Class
Browse server side files and folders
Author: By
Last change: Corrected a few errors in the resize.php script. If error reporting is turned on, it would prevent the images from being displayed.
Date: 9 years ago
Size: 1,164 bytes
 

Contents

Class file image Download
<?php
//a resize script
$width=(isset($_GET['w']))?$_GET['w']:0;
$height=(isset($_GET['h']))?$_GET['h']:0;
$ffile=(isset($_GET['f']))?$_GET['f']:"";

// Content type
header('(anti-spam-content-type:) image/jpeg');

// Get new dimensions
list($widthorig, $heightorig) = getimagesize($ffile);
if(!
$width && !height){
 
$width=$widthorig;
 
$height=$heightorig;
}
if(
$width && !$height){
 
$width=($width > $widthorig) ? $widthorig : $width;
 
$height =($width > $widthorig) ? $heightorig : ($heightorig / $widthorig) * $width;
}
if(
$height && !$width){
 
$height=($height > $heightorig) ? $heightorig : $height;
 
$width = ($height > $heightorig) ? $widthorig : ($widthorig / $heightorig) * $height;
}
 
$extn=explode(".",$ffile);
 
$i=count($extn);
 
$ext=strtolower($extn[$i-1]);

// Resample
$imagep = imagecreatetruecolor($width, $height);
  if(
$ext=="jpg")$image=imagecreatefromjpeg($ffile);
  if(
$ext=="png")$image=imagecreatefrompng($ffile);
  if(
$ext=="gif")$image=imagecreatefromgif($ffile);
imagecopyresampled($imagep, $image, 0, 0, 0, 0, $width, $height, $widthorig, $heightorig);

// Output
imagejpeg($imagep, null, 100);
?>