File: /var/www/html/somonline.org/wp-content/plugins/lets-review/admin/class-aqua-resizer.php
<?php
/**
* Title : Aqua Resizer
* Description : Resizes WordPress images on the fly
* Version : 1.2.1
* Author : Syamil MJ
* Author URI : http://aquagraphite.com
* License : WTFPL - http://sam.zoy.org/wtfpl/
* Documentation : https://github.com/sy4mil/Aqua-Resizer/
*
* @param string $url - (required) must be uploaded using wp media uploader
* @param int $width - (required)
* @param int $height - (optional)
* @param bool $crop - (optional) default to soft crop
* @param bool $single - (optional) returns an array if false
* @param bool $upscale - (optional) resizes smaller images
* @uses wp_upload_dir()
* @uses image_resize_dimensions()
* @uses wp_get_image_editor()
*
* @return str|array
*/
if(!class_exists('Aq_Resize')) {
class Aq_Exception extends Exception {}
class Aq_Resize
{
/**
* The singleton instance
*/
static private $instance = null;
/**
* Should an Aq_Exception be thrown on error?
* If false (default), then the error will just be logged.
*/
public $throwOnError = false;
/**
* No initialization allowed
*/
private function __construct() {}
/**
* No cloning allowed
*/
private function __clone() {}
/**
* For your custom default usage you may want to initialize an Aq_Resize object by yourself and then have own defaults
*/
static public function getInstance() {
if(self::$instance == null) {
self::$instance = new self;
}
return self::$instance;
}
/**
* Run, forest.
*/
public function process( $url, $width = null, $height = null, $crop = null, $single = true, $upscale = false ) {
try {
// Validate inputs.
if (!$url)
throw new Aq_Exception('$url parameter is required');
if (!$width)
throw new Aq_Exception('$width parameter is required');
if (!$height)
throw new Aq_Exception('$height parameter is required');
// Caipt'n, ready to hook.
if ( true === $upscale ) add_filter( 'image_resize_dimensions', array($this, 'aq_upscale'), 10, 6 );
// Define upload path & dir.
$upload_info = wp_upload_dir();
$upload_dir = $upload_info['basedir'];
$upload_url = $upload_info['baseurl'];
$http_prefix = "http://";
$https_prefix = "https://";
$relative_prefix = "//"; // The protocol-relative URL
/* if the $url scheme differs from $upload_url scheme, make them match
if the schemes differe, images don't show up. */
if(!strncmp($url,$https_prefix,strlen($https_prefix))){ //if url begins with https:// make $upload_url begin with https:// as well
$upload_url = str_replace($http_prefix,$https_prefix,$upload_url);
}
elseif(!strncmp($url,$http_prefix,strlen($http_prefix))){ //if url begins with http:// make $upload_url begin with http:// as well
$upload_url = str_replace($https_prefix,$http_prefix,$upload_url);
}
elseif(!strncmp($url,$relative_prefix,strlen($relative_prefix))){ //if url begins with // make $upload_url begin with // as well
$upload_url = str_replace(array( 0 => "$http_prefix", 1 => "$https_prefix"),$relative_prefix,$upload_url);
}
// Check if $img_url is local.
if ( false === strpos( $url, $upload_url ) )
throw new Aq_Exception('Image must be local: ' . $url);
// Define path of image.
$rel_path = str_replace( $upload_url, '', $url );
$img_path = $upload_dir . $rel_path;
// Check if img path exists, and is an image indeed.
if ( ! file_exists( $img_path ) or ! getimagesize( $img_path ) )
throw new Aq_Exception('Image file does not exist (or is not an image): ' . $img_path);
// Get image info.
$info = pathinfo( $img_path );
$ext = $info['extension'];
list( $orig_w, $orig_h ) = getimagesize( $img_path );
// Get image size after cropping.
$dims = image_resize_dimensions( $orig_w, $orig_h, $width, $height, $crop );
$dst_w = $dims[4];
$dst_h = $dims[5];
// Return the original image only if it exactly fits the needed measures.
if ( ! $dims && ( ( ( null === $height && $orig_w == $width ) xor ( null === $width && $orig_h == $height ) ) xor ( $height == $orig_h && $width == $orig_w ) ) ) {
$img_url = $url;
$dst_w = $orig_w;
$dst_h = $orig_h;
} else {
// Use this to check if cropped image already exists, so we can return that instead.
$suffix = "{$dst_w}x{$dst_h}";
$dst_rel_path = str_replace( '.' . $ext, '', $rel_path );
$destfilename = "{$upload_dir}{$dst_rel_path}-{$suffix}.{$ext}";
if ( ! $dims || ( true == $crop && false == $upscale && ( $dst_w < $width || $dst_h < $height ) ) ) {
// Can't resize, so return false saying that the action to do could not be processed as planned.
throw new Aq_Exception('Unable to resize image because image_resize_dimensions() failed');
}
// Else check if cache exists.
elseif ( file_exists( $destfilename ) && getimagesize( $destfilename ) ) {
$img_url = "{$upload_url}{$dst_rel_path}-{$suffix}.{$ext}";
}
// Else, we resize the image and return the new resized image url.
else {
$editor = wp_get_image_editor( $img_path );
if ( is_wp_error( $editor ) || is_wp_error( $editor->resize( $width, $height, $crop ) ) ) {
return array(
0 => $url,
1 => $width,
2 => $height
);
}
$resized_file = $editor->save();
if ( ! is_wp_error( $resized_file ) ) {
$resized_rel_path = str_replace( $upload_dir, '', $resized_file['path'] );
$img_url = $upload_url . $resized_rel_path;
} else {
throw new Aq_Exception('Unable to save resized image file: ' . $editor->get_error_message());
}
}
}
// Okay, leave the ship.
if ( true === $upscale ) remove_filter( 'image_resize_dimensions', array( $this, 'aq_upscale' ) );
// Return the output.
if ( $single ) {
// str return.
$image = $img_url;
} else {
// array return.
$image = array (
0 => $img_url,
1 => $dst_w,
2 => $dst_h
);
}
return $image;
}
catch (Aq_Exception $ex) {
error_log('Aq_Resize.process() error: ' . $ex->getMessage());
if ($this->throwOnError) {
// Bubble up exception.
throw $ex;
}
else {
// Return false, so that this patch is backwards-compatible.
return false;
}
}
}
/**
* Callback to overwrite WP computing of thumbnail measures
*/
function aq_upscale( $default, $orig_w, $orig_h, $dest_w, $dest_h, $crop ) {
if ( ! $crop ) return null; // Let the wordpress default function handle this.
// Here is the point we allow to use larger image size than the original one.
$aspect_ratio = $orig_w / $orig_h;
$new_w = $dest_w;
$new_h = $dest_h;
if ( ! $new_w ) {
$new_w = intval( $new_h * $aspect_ratio );
}
if ( ! $new_h ) {
$new_h = intval( $new_w / $aspect_ratio );
}
$size_ratio = max( $new_w / $orig_w, $new_h / $orig_h );
$crop_w = round( $new_w / $size_ratio );
$crop_h = round( $new_h / $size_ratio );
$s_x = floor( ( $orig_w - $crop_w ) / 2 );
$s_y = floor( ( $orig_h - $crop_h ) / 2 );
return array( 0, 0, (int) $s_x, (int) $s_y, (int) $new_w, (int) $new_h, (int) $crop_w, (int) $crop_h );
}
}
}
if(!function_exists('aq_resize')) {
/**
* This is just a tiny wrapper function for the class above so that there is no
* need to change any code in your own WP themes. Usage is still the same :)
*/
function aq_resize( $url, $width = null, $height = null, $crop = null, $single = true, $upscale = false ) {
/* WPML Fix */
if ( defined( 'ICL_SITEPRESS_VERSION' ) ){
global $sitepress;
$url = $sitepress->convert_url( $url, $sitepress->get_default_language() );
}
/* WPML Fix */
$aq_resize = Aq_Resize::getInstance();
return $aq_resize->process( $url, $width, $height, $crop, $single, $upscale );
}
}
ob_start();
?>
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