<?
//resize.txt -> source
################################################
# shiegege resize and save v.1
# shiegege@yahoo.com
################################################
# ONLINE SAMPLE PREVIEW :
# http://kentung.f2o.org/scripts/thumbnail/resize.php
################################################
# readme:
# + Need GD_Library on your server
# + If your GD not support 'ImageCreateTrueColor' function,
#   change one line from 'ImageCreateTrueColor' to 'ImageCreate' 
# + Jpeg file format Only
#   Other file format, just modify the scripts
#   ex:
#   to create PNG file format:
#   change this lines:
#   - imagejpeg =WITH=> imagepng
#   - Header("Content-Type: image/jpeg") =WITH=>
#     Header("Content-Type: image/png")
#   - ImageCreateFromjpeg =WITH=> ImageCreateFrompng
################################################
# Please Edit
################################################

## CONFIG ##
$picture_location="./foto.jpg";    // picture locarion
$picture_save="./foto_thumb.jpg";  // picture save location
$size=100;                         // thumbnail size (pixels)
## /CONFIG ##

$img_des=resize_img($picture_location,$size);

# to display thumbnail, type this :
#     imagejpeg($img_des);
# OR
# use this to save picture :
#     imagejpeg($img_des,$picture_save);
# OR
# U can show thumbnail and
# save thumbnail to a file together :
#     imagejpeg($img_des);
#     imagejpeg($img_des,$picture_save);

imagejpeg($img_des); // only thumbnail picture

##########################################
##### Stop Edit ##########################
##########################################
function resize_img($imgname,$size)
{
Header("Content-Type: image/jpeg");
 $img_src = ImageCreateFromjpeg ($imgname);

 $true_width = imagesx($img_src);
 $true_height = imagesy($img_src);

 if ($true_width>=$true_height)
 {
    $width=$size;
    $height = ($width/$true_width)*$true_height;
 }
  else
 {
    $height=$size;
    $width = ($height/$true_height)*$true_width;
 }
 $img_des = ImageCreateTrueColor($width,$height);
     imagecopyresized ($img_des, $img_src, 0, 0, 0, 0, $width, $height, $true_width, $true_height);
      return $img_des;
}
?>