mambax7 / wflinks

class/ThumbsNails.php

<?php

namespace XoopsModules\Wflinks;

/**
 * this is the image that will be return apon error
 */

use XoopsModules\Wflinks;

if (!\defined('_PATH')) {
    \define('_PATH', XOOPS_ROOT_PATH);
}

if (!\defined('DEFAULT_PATH')) {
    \define('DEFAULT_PATH', XOOPS_UPLOAD_URL . '/blank.gif');
}

/**
 * ThumbsNails
 *
 * @package
 * @author    John N
 * @copyright WF-Projects Copyright (c) 2005
 * @copyright Using this class without our permission or removing this notice voids the license agreement.
 * @access    public
 */
class ThumbsNails
{
    public $_img_name        = 'blank.gif';
    public $_img_path        = 'uploads';
    public $_img_savepath    = 'thumbs';
    public $_source_path     = '';
    public $_save_path       = '';
    public $_source_url      = '';
    public $_source_image    = '';
    public $_save_image      = '';
    public $_usethumbs       = 0;
    public $_image_type      = 'gd2';
    public $_return_fullpath = 0;
    public $img_width        = 100;
    public $img_height       = 100;
    public $img_quality      = 100;
    public $img_update       = 1;
    public $img_aspect       = 1;
    /**
     * @access private
     */
    public $_img_info = [];

    /**
     * Constructor
     *
     * @param null $img_name

Are you sure the doc-type for parameter $img_name is correct as it would always require null to be passed?

     * @param null $img_path

Are you sure the doc-type for parameter $img_path is correct as it would always require null to be passed?

     * @param null $img_savepath

Are you sure the doc-type for parameter $img_savepath is correct as it would always require null to be passed?

     *
     * @internal param string $_img_name
     * @internal param string $_img_path
     * @internal param string $_img_savepath
     */
    public function __construct($img_name = null, $img_path = null, $img_savepath = null)
    {
        if (!\preg_match("/\.(jpg|gif|png|jpeg)$/i", $img_name)) {
            //            return false;
        }

        /*
        * The actual image we will be processing
        */
        if (null !== $img_name) {
            $this->_img_name = \trim($img_name);
        }

        /*
        * The image path
        */
        if (null !== $img_path) {
            $this->_img_path = \trim($img_path);
        }

        /*
        * The image save path
        */
        if (null !== $img_savepath) {
            $this->_img_savepath = \trim($img_savepath);
        }

        $path_to_check = XOOPS_ROOT_PATH . "/$img_path/$img_savepath";

        if (!\is_dir($path_to_check)) {
            if (!mkdir($path_to_check, 0777) && !is_dir($path_to_check)) {
                //                return false;
            }
        }
        //        return null;
    }

    /**
     * WfThumbsNails::setUseThumbs()
     *
     * @param int $value
     */
    public function setUseThumbs($value = 1)
    {
        $this->_usethumbs = $value;
    }

    /**
     * WfThumbsNails::setImageType()
     *
     * @param string $value
     */
    public function setImageType($value = 'gd2')
    {
        $this->_image_type = $value;
    }

    /**
     * ThumbsNails::createThumb()
     *
     * @param int|null $img_width
     * @param int|null $img_height
     * @param int|null $img_quality
     * @param int|null $img_update
     * @param int|null $img_aspect
     *
     * @return bool|string
     */
    public function createThumb(
        $img_width = null,
        $img_height = null,
        $img_quality = null,
        $img_update = null,
        $img_aspect = null
    ) {
        $this->_source_path  = XOOPS_ROOT_PATH . "/{$this->_img_path}";
        $this->_save_path    = XOOPS_ROOT_PATH . "/{$this->_img_path}/{$this->_img_savepath}";
        $this->_source_url   = XOOPS_URL . "/{$this->_img_path}";
        $this->_source_image = "{$this->_source_path}/{$this->_img_name}";

        if (null !== $img_width) {
            $this->img_width = (int)$img_width;
        }

        if (null !== $img_height) {
            $this->img_height = (int)$img_height;
        }

        if (null !== $img_quality) {
            $this->img_quality = (int)$img_quality;
        }

        if (null !== $img_update) {
            $this->img_update = (int)$img_update;
        }

        if (null !== $img_aspect) {
            $this->img_aspect = (int)$img_aspect;
        }

        /**
         * Return false if we are not using thumb nails
         */
        if (!$this->isUsingThumbs()) {
            return $this->_source_url . '/' . $this->_img_name;
        }
        /**
         * Return false if the server does not have gd lib installed or activated
         */
        if (!$this->checkGdLibrary()) {
            return $this->_source_url . '/' . $this->_img_name;
        }

        /**
         * Return false if the paths to the file are wrong
         */
        if (!$this->checkPaths()) {
            return DEFAULT_PATH;
        }

        if (!$this->checkImage()) {
            return DEFAULT_PATH;
        }

        $image = $this->resizeImage();
        if (false === $image) {
            return DEFAULT_PATH;
        }

        return $image;
    }

    /**
     * @param $value
     */
    public function setImgName($value)
    {
        $this->_img_name = \trim($value);
    }

    /**
     * @param $value
     */
    public function setImgPath($value)
    {
        $this->_img_path = \trim($value);
    }

    /**
     * @param $value
     */
    public function setImgSavePath($value)
    {
        $this->_img_savepath = \trim($value);
    }

    /**
     * ThumbsNails::resizeImage()
     *
     * @return bool|string
     */
    public function resizeImage()
    {
        /** @var Wflinks\Helper $helper */
        $helper = Wflinks\Helper::getInstance();

        // $this->_img_info = info array to the image being resized
        // $this->_img_info[0] == width
        // $this->_img_info[1] == height
        // $this->_img_info[2] == is a flag indicating the type of the image: 1 = GIF, 2 = JPG, 3 = PNG, 4 = SWF, 5 = PSD, 6 = BMP, 7 = TIFF(intel byte order), 8 = TIFF(motorola byte order)
        // $this->_img_info[3] == is a text string with the correct height="yyy" width="xxx" string that can be used directly in an IMG tag
        /**
         * Get image size and scale ratio
         */
        $scale = \min($this->img_width / $this->_img_info[0], $this->img_height / $this->_img_info[1]);
        /**
         * If the image is larger than the max shrink it
         */
        $newWidth  = $this->img_width;
        $newHeight = $this->img_height;
        if ($scale < 1 && 1 == $this->img_aspect) {
            $newWidth  = \floor($scale * $this->_img_info[0]);
            $newHeight = \floor($scale * $this->_img_info[1]);
        }
        $newWidth  = ($newWidth > $this->_img_info[0]) ? $this->_img_info[0] : $newWidth;
        $newHeight = ($newHeight > $this->_img_info[0]) ? $this->_img_info[0] : $newHeight;

        $savefile          = "{$newWidth}x{$newHeight}_{$this->_img_name}";
        $this->_save_image = "{$this->_save_path}/{$savefile}";

        if (0 == $this->img_update && \file_exists($this->_save_image)) {
            if (1 == $this->_return_fullpath) {
                return $this->_source_url . "/{$this->_img_savepath}/{$savefile}";
            }

            return "{$this->_img_savepath}/{$savefile}";
        }

        switch ($this->_image_type) {
            case 'im':
                if (!empty($helper->getConfig('path_magick')) && \is_dir($helper->getConfig('path_magick'))) {
                    if (\preg_match('#[A-Z]:|\\\\#Ai', __FILE__)) {
                        $cur_dir     = __DIR__;
                        $src_file_im = '"' . $cur_dir . '\\' . \str_replace('/', '\\', $this->_source_image) . '"';
                        $new_file_im = '"' . $cur_dir . '\\' . \str_replace('/', '\\', $this->_save_image) . '"';
                    } else {
                        $src_file_im = \escapeshellarg($this->_source_image);
                        $new_file_im = \escapeshellarg($this->_save_image);
                    }
                    $magick_command = $helper->getConfig('path_magick') . '/convert -quality {$helper->getConfig("imagequality")} -antialias -sample {$newWidth}x{$newHeight} {$src_file_im} +profile "*" ' . \str_replace('\\', '/', $new_file_im) . '';
                    \passthru($magick_command);

                    return $this->_source_url . "/{$this->_img_savepath}/{$savefile}";
                }

                return false;
                break;
            case 'gd1':
            case 'gd2':
            default:

                $imageCreateFunction = (\function_exists('imagecreatetruecolor')
                                        && 'gd2' === $this->_image_type) ? 'imagecreatetruecolor' : 'imagecreate';
                $imageCopyfunction   = (\function_exists('imagecopyresampled')
                                        && 'gd2' === $this->_image_type) ? 'imagecopyresampled' : 'imagecopyresized';

                switch ($this->_img_info[2]) {
                    case 1:
                        // GIF image
                        $img     = \function_exists('imagecreatefromgif') ? \imagecreatefromgif($this->_source_image) : \imagecreatefrompng($this->_source_image);
                        $tmp_img = $imageCreateFunction($newWidth, $newHeight);
                        $imageCopyfunction($tmp_img, $img, 0, 0, 0, 0, $newWidth, $newHeight, $this->_img_info[0], $this->_img_info[1]);
                        if (\function_exists('imagegif')) {
                            \imagegif($tmp_img, $this->_save_image);
                        } else {
                            \imagepng($tmp_img, $this->_save_image);
                        }
                        \imagedestroy($tmp_img);
                        break;
                    case 2:
                        // echo $this->_save_image;
                        $img     = \function_exists('imagecreatefromjpeg') ? \imagecreatefromjpeg($this->_source_image) : \imagecreatefrompng($this->_source_image);
                        $tmp_img = $imageCreateFunction($newWidth, $newHeight);
                        $imageCopyfunction($tmp_img, $img, 0, 0, 0, 0, $newWidth, $newHeight, $this->_img_info[0], $this->_img_info[1]);
                        if (\function_exists('imagejpeg')) {
                            \imagejpeg($tmp_img, $this->_save_image, $this->img_quality);
                        } else {
                            \imagepng($tmp_img, $this->_save_image);
                        }
                        \imagedestroy($tmp_img);
                        break;
                    case 3:
                        // PNG image
                        $img     = \imagecreatefrompng($this->_source_image);
                        $tmp_img = $imageCreateFunction($newWidth, $newHeight);
                        $imageCopyfunction($tmp_img, $img, 0, 0, 0, 0, $newWidth, $newHeight, $this->_img_info[0], $this->_img_info[1]);
                        \imagepng($tmp_img, $this->_save_image);
                        \imagedestroy($tmp_img);
                        break;
                    default:
                        return false;
                }
                if (1 == $this->_return_fullpath) {
                    return $this->_source_url . "/{$this->_img_savepath}/{$savefile}";
                }

                return "{$this->_img_savepath}/{$savefile}";
                break;
        }

        return false;
    }

    /**
     * ThumbsNails::checkPaths()
     *
     * @return bool
     */
    public function checkPaths()
    {
        if (\file_exists($this->_source_image) || \is_readable($this->_source_image)) {
            return true;
        }
        if (\is_dir($this->_save_image) || \is_writable($this->_save_image)) {
            return true;
        }

        return false;
    }

    /**
     * @return bool
     */
    public function checkImage()
    {
        $this->_img_info = \getimagesize($this->_source_image, $imageinfo);
        // if ( $this->_img_info[0] < $this->img_width && $this->_img_info[1] < $this->img_height )
        // return false;
        return !(null === $this->_img_info);
    }

    /**
     * wfsThumbs::checkGdLibrary()
     *
     * Private function
     *
     * @return array|false if gd lib not found on the system
     */
    public function checkGdLibrary()
    {
        if (!\extension_loaded('gd')) {
            return false;
        }
        $gdlib = \function_exists('gd_info');
        if (false === $gdlib = gd_info()) {
            return false;
        }

        return $gdlib;
    }

    /**
     * ThumbsNails::isUsingThumbs()
     *
     * @return bool
     */
    public function isUsingThumbs()
    {
        if ($this->_usethumbs) {
            return true;
        }

        return false;
    }
}