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Direktori : /var/www/html/itworks/wp-content/plugins/tp-portfolio/inc/ |
Current File : /var/www/html/itworks/wp-content/plugins/tp-portfolio/inc/aq_resizer.php |
<?php /** * Title : Aqua Resizer * Description : Resizes WordPress images on the fly * Version : 1.2.0 * 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_Resize { /** * The singleton instance */ static private $instance = null; /** * No initialization allowed */ private function __construct() { } /** * No cloning allowed */ private function __clone() { } /** * For your custom default usage you may want to initialize an Aq_Resize object by yourself and then have own defaults */ static public function getInstance() { if (self::$instance == null) { self::$instance = new self; } return self::$instance; } /** * Run, forest. */ public function process($url, $width = null, $height = null, $crop = null, $single = true, $upscale = false) { // Validate inputs. if (!$url || (!$width && !$height)) return false; // 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://"; /* 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); } // Check if $img_url is local. if (false === strpos($url, $upload_url)) return false; // 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)) return false; // 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 < $height))) { // Can't resize, so return false saying that the action to do could not be processed as planned. return false; } // Else check if cache exists. elseif (file_exists($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 false; $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 { return false; } } } // 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 $image; } /** * Callback to overwrite WP computing of thumbnail measures */ function aq_upscale($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) { $aq_resize = Aq_Resize::getInstance(); return $aq_resize->process($url, $width, $height, $crop, $single, $upscale); } }