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Path: /data/21/3/125/28/3125354/user/3486433/htdocs/wp-content/themes/perfecti/framework/ [ Home ]
File: aq_resizer.php
<?php

/**
* Title		: Aqua Resizer
* Description	: Resizes WordPress images on the fly
* Version	: 1.1.7
* 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
* @uses		wp_upload_dir()
* @uses		image_resize_dimensions()
* @uses		wp_get_image_editor()
*
* @return str|array
*/
if (!function_exists('aq_resize')) {
    function aq_resize( $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($upscale === true) add_filter('image_resize_dimensions', 'aq_upscale', 10, 6);

	//define upload path & dir
	$upload_info = wp_upload_dir();
	$upload_dir = $upload_info['basedir'];
	$upload_url = $upload_info['baseurl'];

	//check if $img_url is local
	if(strpos( $url, $upload_url ) === false) 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(!$dims && ((($height === null && $orig_w == $width) xor ($width === null && $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(!$dims || ($crop == true && $upscale == false && ($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 {

			// Note: This pre-3.5 fallback check will edited out in subsequent version
			if(function_exists('wp_get_image_editor')) {

				$editor = wp_get_image_editor($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;
				}

			} else {

				// $resized_img_path = image_resize( $img_path, $width, $height, $crop ); // Fallback foo
				// if(!is_wp_error($resized_img_path)) {
				// 	$resized_rel_path = str_replace( $upload_dir, '', $resized_img_path);
				// 	$img_url = $upload_url . $resized_rel_path;
				// } else {
				// 	return false;
				// }
				return false;

			}

		}
	}

	// okay, leave the ship
	if($upscale === true) remove_filter('image_resize_dimensions', '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;
    }
}

if (!function_exists('aq_upscale')) {
    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 );
    }
}