Permalink
Switch branches/tags
Nothing to show
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
102 lines (82 sloc) 2.43 KB
<?
/*
*
* jQuery $.getImageData Plugin 0.3
* http://www.maxnov.com/getimagedata
*
* Written by Max Novakovic (http://www.maxnov.com/)
* Date: Mon Sep 13 2010
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* DESCRIPTION: Simple PHP script to fetch an image and return
* it as a base64 encoded string. Part of jQuery getImageData
* Plugin (http://www.maxnov.com/getimagedata).
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2011, Max Novakovic
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://www.maxnov.com/getimagedata/#license
*
*/
try {
// Check if the URL is set
if(isset($_GET["url"])) {
// Get the URL and decode to remove any %20, etc
$url = urldecode($_GET["url"]);
// Get the contents of the URL
$file = file_get_contents($url);
// Check if it is an image
if(@imagecreatefromstring($file)) {
// Get the image information
$size = getimagesize($url);
// Image type
$type = $size["mime"];
// Dimensions
$width = $size[0];
$height = $size[1];
// Setup the data URL
$type_prefix = "data:" . $type . ";base64,";
// Encode the image into base64
$base64file = base64_encode($file);
// Combine the prefix and the image
$data_url = $type_prefix . $base64file;
// Setup the return data
$return_arr = array(
'width'=> $width,
'height'=> $height,
'data'=> $data_url
);
// Encode it into JSON
$return_val = json_encode($return_arr);
// If a callback has been specified
if(isset($_GET["callback"])) {
// Wrap the callback around the JSON
$return_val = $_GET["callback"] . '(' . $return_val . ');';
// Set the headers to JSON and so they wont cache or expire
header('Cache-Control: no-cache, must-revalidate');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Content-type: application/json');
// Print the JSON
print $return_val;
// No callback was set
} else {
header('HTTP/1.0 400 Bad Request');
print "No callback specified";
}
// The requested file is not an image
} else {
header('HTTP/1.0 400 Bad Request');
print "Invalid image specified";
}
// No URL set so error
} else {
header('HTTP/1.0 400 Bad Request');
echo "No URL was specified";
}
} catch (Exception $e) {
header('HTTP/1.0 500 Internal Server Error');
echo "Internal Server Error";
}
?>