jenskooij / cloudcontrol

src/images/methods/SmartCrop.php

<?php
/**
 * SmartCrop
 *
 * @Author: Jens Kooij
 * @Version: 1.0
 * @package: JNS MVC
 * @Licence: http://creativecommons.org/licenses/by-nc-nd/3.0/ Attribution-NonCommercial-NoDerivs 3.0 Unported
 */

namespace CloudControl\Cms\images\methods {

    class SmartCrop extends Crop
    {
        /**
         * Use build-in logic to position the smartcrop
         *
         * @param    int $x
         * @param    int $y
         * @return    self
         */
        public function SetPosition($x, $y)
        {
            $this->SetX($x);
            $this->SetY($y);
            return $this;
        }

        public function Execute($imageResource)
        {
            // Define the origial width and height
            $originalWidth = imagesx($imageResource);
            $originalHeight = imagesy($imageResource);

            // Define the ratios
            $wRatio = $originalWidth / $this->_width;
            $hRatio = $originalHeight / $this->_height;

            // Define which ratio will be used, depending on which is the biggest side
            $ratio = $wRatio < $hRatio ? $wRatio : $hRatio;
            if ($ratio < 1) {
                $ratio = 1;
            }

            // Calculate the destination width, height, x and y
            $this->_destWidth = $originalWidth / $ratio;
            $this->_destHeight = $originalHeight / $ratio;
            $this->_destX = ($this->_width - $this->_destWidth) / 2;
            $this->_destY = ($this->_height - $this->_destHeight) / 2;

            // Define the origial width and height
            $originalWidth = imagesx($imageResource);
            $originalHeight = imagesy($imageResource);

            // Create the new image
            $new = imagecreatetruecolor($this->_width, $this->_height);

            if ($this->_backgroundColor !== null) {
                $fill = imagecolorallocate($new, $this->_backgroundColor[0], $this->_backgroundColor[1],

It seems like $new can also be of type false; however, parameter $image of imagecolorallocate() does only seem to accept resource, maybe add an additional type check?

                    $this->_backgroundColor[2]);
                imagefill($new, 0, 0, $fill);

It seems like $new can also be of type false; however, parameter $image of imagefill() does only seem to accept resource, maybe add an additional type check?

            }

            // Preserve transparency
            imagecolortransparent($new, imagecolorallocatealpha($new, 0, 0, 0, 127));

It seems like $new can also be of type false; however, parameter $image of imagecolortransparent() does only seem to accept resource, maybe add an additional type check?

It seems like $new can also be of type false; however, parameter $image of imagecolorallocatealpha() does only seem to accept resource, maybe add an additional type check?

            imagealphablending($new, false);

It seems like $new can also be of type false; however, parameter $image of imagealphablending() does only seem to accept resource, maybe add an additional type check?

            imagesavealpha($new, true);

It seems like $new can also be of type false; however, parameter $image of imagesavealpha() does only seem to accept resource, maybe add an additional type check?

            imagecopyresampled($new, $imageResource, $this->_destX, $this->_destY, $this->_x, $this->_y,

It seems like $new can also be of type false; however, parameter $dst_image of imagecopyresampled() does only seem to accept resource, maybe add an additional type check?

                $this->_destWidth, $this->_destHeight, $originalWidth, $originalHeight);

            return $new;
        }
    }
}