jenskooij / cloudcontrol

src/images/methods/Crop.php

<?php
/**
 * Crop
 *
 * @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 {

    use CloudControl\Cms\images\IMethod;

    class Crop extends IMethod
    {
        protected $_width;
        protected $_height;
        protected $_x;
        protected $_y;

        protected $_destWidth;
        protected $_destHeight;
        protected $_destX = 0.0;
        protected $_destY = 0.0;

        /**
         * @var null|array
         */
        protected $_backgroundColor;

        public function init()
        {
        }

        /**
         * Set the width
         *
         * @param  int $width
         * @return self
         */
        public function SetWidth($width)
        {
            $this->_width = (int)$width;
            $this->_destWidth = (int)$width;
            return $this;
        }

        /**
         * Set the height
         *
         * @param  int $height
         * @return self
         */
        public function SetHeight($height)
        {
            $this->_height = (int)$height;
            $this->_destHeight = (int)$height;
            return $this;
        }

        /**
         * Set the x
         *
         * @param  int $x
         * @return self
         */
        public function SetX($x)
        {
            $this->_x = $x;
            return $this;
        }

        /**
         * Set the y
         *
         * @param  int $y
         * @return self
         */
        public function SetY($y)
        {
            $this->_y = $y;
            return $this;
        }

        /**
         * If neccesary, fill the background color
         * with this color
         *
         * @param int $r Red
         * @param int $g Green
         * @param int $b Blue
         *
         * @return $this
         */
        public function FillBackground($r, $g, $b)
        {
            $this->_backgroundColor = array((int)$r, (int)$g, (int)$b);
            return $this;
        }

        /**
         * @param resource $imageResource
         *
         * @return resource
         */
        public function Execute($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 imagecolorallocatealpha() 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 imagecolortransparent() 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, $this->_destWidth, $this->_destHeight);

            return $new;
        }
    }
}