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<?php |
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namespace XoopsModules\Wflinks; |
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/** |
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* this is the image that will be return apon error |
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*/ |
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use XoopsModules\Wflinks; |
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if (!\defined('_PATH')) { |
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\define('_PATH', XOOPS_ROOT_PATH); |
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} |
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if (!\defined('DEFAULT_PATH')) { |
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\define('DEFAULT_PATH', XOOPS_UPLOAD_URL . '/blank.gif'); |
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} |
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/** |
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* ThumbsNails |
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* |
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* @package |
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* @author John N |
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* @copyright WF-Projects Copyright (c) 2005 |
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* @copyright Using this class without our permission or removing this notice voids the license agreement. |
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* @access public |
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*/ |
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class ThumbsNails |
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{ |
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public $_img_name = 'blank.gif'; |
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public $_img_path = 'uploads'; |
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public $_img_savepath = 'thumbs'; |
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public $_source_path = ''; |
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public $_save_path = ''; |
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public $_source_url = ''; |
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public $_source_image = ''; |
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public $_save_image = ''; |
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public $_usethumbs = 0; |
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public $_image_type = 'gd2'; |
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public $_return_fullpath = 0; |
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public $img_width = 100; |
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public $img_height = 100; |
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public $img_quality = 100; |
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public $img_update = 1; |
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public $img_aspect = 1; |
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/** |
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* @access private |
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*/ |
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public $_img_info = []; |
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/** |
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* Constructor |
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* |
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* @param null $img_name |
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* @param null $img_path |
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* @param null $img_savepath |
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* |
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* @internal param string $_img_name |
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* @internal param string $_img_path |
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* @internal param string $_img_savepath |
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*/ |
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public function __construct($img_name = null, $img_path = null, $img_savepath = null) |
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{ |
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if (!\preg_match("/\.(jpg|gif|png|jpeg)$/i", $img_name)) { |
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// return false; |
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} |
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/* |
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* The actual image we will be processing |
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*/ |
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if (null !== $img_name) { |
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$this->_img_name = \trim($img_name); |
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} |
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/* |
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* The image path |
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*/ |
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if (null !== $img_path) { |
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$this->_img_path = \trim($img_path); |
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} |
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/* |
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* The image save path |
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*/ |
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if (null !== $img_savepath) { |
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$this->_img_savepath = \trim($img_savepath); |
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} |
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$path_to_check = XOOPS_ROOT_PATH . "/$img_path/$img_savepath"; |
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if (!\is_dir($path_to_check)) { |
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if (!mkdir($path_to_check, 0777) && !is_dir($path_to_check)) { |
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// return false; |
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} |
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} |
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// return null; |
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} |
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/** |
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* WfThumbsNails::setUseThumbs() |
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* |
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* @param int $value |
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*/ |
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public function setUseThumbs($value = 1) |
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{ |
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$this->_usethumbs = $value; |
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} |
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/** |
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* WfThumbsNails::setImageType() |
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* |
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* @param string $value |
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*/ |
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public function setImageType($value = 'gd2') |
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{ |
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$this->_image_type = $value; |
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} |
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/** |
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* ThumbsNails::createThumb() |
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* |
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* @param int|null $img_width |
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* @param int|null $img_height |
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* @param int|null $img_quality |
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* @param int|null $img_update |
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* @param int|null $img_aspect |
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* |
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* @return bool|string |
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*/ |
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public function createThumb( |
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$img_width = null, |
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$img_height = null, |
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$img_quality = null, |
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$img_update = null, |
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$img_aspect = null |
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) { |
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$this->_source_path = XOOPS_ROOT_PATH . "/{$this->_img_path}"; |
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$this->_save_path = XOOPS_ROOT_PATH . "/{$this->_img_path}/{$this->_img_savepath}"; |
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$this->_source_url = XOOPS_URL . "/{$this->_img_path}"; |
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$this->_source_image = "{$this->_source_path}/{$this->_img_name}"; |
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if (null !== $img_width) { |
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$this->img_width = (int)$img_width; |
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} |
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if (null !== $img_height) { |
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$this->img_height = (int)$img_height; |
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} |
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if (null !== $img_quality) { |
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$this->img_quality = (int)$img_quality; |
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} |
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if (null !== $img_update) { |
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$this->img_update = (int)$img_update; |
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} |
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if (null !== $img_aspect) { |
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$this->img_aspect = (int)$img_aspect; |
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} |
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/** |
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* Return false if we are not using thumb nails |
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*/ |
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if (!$this->isUsingThumbs()) { |
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return $this->_source_url . '/' . $this->_img_name; |
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} |
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/** |
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* Return false if the server does not have gd lib installed or activated |
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*/ |
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if (!$this->checkGdLibrary()) { |
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return $this->_source_url . '/' . $this->_img_name; |
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} |
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/** |
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* Return false if the paths to the file are wrong |
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*/ |
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if (!$this->checkPaths()) { |
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return DEFAULT_PATH; |
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} |
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if (!$this->checkImage()) { |
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return DEFAULT_PATH; |
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} |
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$image = $this->resizeImage(); |
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if (false === $image) { |
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return DEFAULT_PATH; |
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} |
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return $image; |
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} |
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/** |
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* @param $value |
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*/ |
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public function setImgName($value) |
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{ |
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$this->_img_name = \trim($value); |
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} |
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/** |
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* @param $value |
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*/ |
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public function setImgPath($value) |
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{ |
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$this->_img_path = \trim($value); |
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} |
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/** |
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* @param $value |
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*/ |
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public function setImgSavePath($value) |
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{ |
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$this->_img_savepath = \trim($value); |
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} |
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/** |
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* ThumbsNails::resizeImage() |
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* |
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* @return bool|string |
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*/ |
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public function resizeImage() |
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{ |
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/** @var Wflinks\Helper $helper */ |
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$helper = Wflinks\Helper::getInstance(); |
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// $this->_img_info = info array to the image being resized |
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// $this->_img_info[0] == width |
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// $this->_img_info[1] == height |
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// $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) |
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// $this->_img_info[3] == is a text string with the correct height="yyy" width="xxx" string that can be used directly in an IMG tag |
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/** |
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* Get image size and scale ratio |
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*/ |
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$scale = \min($this->img_width / $this->_img_info[0], $this->img_height / $this->_img_info[1]); |
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/** |
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* If the image is larger than the max shrink it |
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*/ |
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$newWidth = $this->img_width; |
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$newHeight = $this->img_height; |
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if ($scale < 1 && 1 == $this->img_aspect) { |
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$newWidth = \floor($scale * $this->_img_info[0]); |
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$newHeight = \floor($scale * $this->_img_info[1]); |
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} |
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$newWidth = ($newWidth > $this->_img_info[0]) ? $this->_img_info[0] : $newWidth; |
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$newHeight = ($newHeight > $this->_img_info[0]) ? $this->_img_info[0] : $newHeight; |
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$savefile = "{$newWidth}x{$newHeight}_{$this->_img_name}"; |
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$this->_save_image = "{$this->_save_path}/{$savefile}"; |
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if (0 == $this->img_update && \file_exists($this->_save_image)) { |
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if (1 == $this->_return_fullpath) { |
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return $this->_source_url . "/{$this->_img_savepath}/{$savefile}"; |
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} |
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return "{$this->_img_savepath}/{$savefile}"; |
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} |
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switch ($this->_image_type) { |
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case 'im': |
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if (!empty($helper->getConfig('path_magick')) && \is_dir($helper->getConfig('path_magick'))) { |
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if (\preg_match('#[A-Z]:|\\\\#Ai', __FILE__)) { |
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$cur_dir = __DIR__; |
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$src_file_im = '"' . $cur_dir . '\\' . \str_replace('/', '\\', $this->_source_image) . '"'; |
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$new_file_im = '"' . $cur_dir . '\\' . \str_replace('/', '\\', $this->_save_image) . '"'; |
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} else { |
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$src_file_im = \escapeshellarg($this->_source_image); |
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$new_file_im = \escapeshellarg($this->_save_image); |
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} |
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$magick_command = $helper->getConfig('path_magick') . '/convert -quality {$helper->getConfig("imagequality")} -antialias -sample {$newWidth}x{$newHeight} {$src_file_im} +profile "*" ' . \str_replace('\\', '/', $new_file_im) . ''; |
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\passthru($magick_command); |
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return $this->_source_url . "/{$this->_img_savepath}/{$savefile}"; |
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} |
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return false; |
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break; |
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case 'gd1': |
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case 'gd2': |
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default: |
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$imageCreateFunction = (\function_exists('imagecreatetruecolor') |
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&& 'gd2' === $this->_image_type) ? 'imagecreatetruecolor' : 'imagecreate'; |
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$imageCopyfunction = (\function_exists('imagecopyresampled') |
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&& 'gd2' === $this->_image_type) ? 'imagecopyresampled' : 'imagecopyresized'; |
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switch ($this->_img_info[2]) { |
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case 1: |
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// GIF image |
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$img = \function_exists('imagecreatefromgif') ? \imagecreatefromgif($this->_source_image) : \imagecreatefrompng($this->_source_image); |
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$tmp_img = $imageCreateFunction($newWidth, $newHeight); |
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$imageCopyfunction($tmp_img, $img, 0, 0, 0, 0, $newWidth, $newHeight, $this->_img_info[0], $this->_img_info[1]); |
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if (\function_exists('imagegif')) { |
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\imagegif($tmp_img, $this->_save_image); |
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} else { |
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\imagepng($tmp_img, $this->_save_image); |
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} |
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\imagedestroy($tmp_img); |
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break; |
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case 2: |
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// echo $this->_save_image; |
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$img = \function_exists('imagecreatefromjpeg') ? \imagecreatefromjpeg($this->_source_image) : \imagecreatefrompng($this->_source_image); |
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$tmp_img = $imageCreateFunction($newWidth, $newHeight); |
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$imageCopyfunction($tmp_img, $img, 0, 0, 0, 0, $newWidth, $newHeight, $this->_img_info[0], $this->_img_info[1]); |
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if (\function_exists('imagejpeg')) { |
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\imagejpeg($tmp_img, $this->_save_image, $this->img_quality); |
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} else { |
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\imagepng($tmp_img, $this->_save_image); |
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} |
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\imagedestroy($tmp_img); |
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break; |
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case 3: |
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// PNG image |
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$img = \imagecreatefrompng($this->_source_image); |
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$tmp_img = $imageCreateFunction($newWidth, $newHeight); |
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$imageCopyfunction($tmp_img, $img, 0, 0, 0, 0, $newWidth, $newHeight, $this->_img_info[0], $this->_img_info[1]); |
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\imagepng($tmp_img, $this->_save_image); |
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\imagedestroy($tmp_img); |
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break; |
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default: |
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return false; |
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} |
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if (1 == $this->_return_fullpath) { |
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return $this->_source_url . "/{$this->_img_savepath}/{$savefile}"; |
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} |
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return "{$this->_img_savepath}/{$savefile}"; |
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break; |
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} |
335
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336
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return false; |
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} |
338
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/** |
340
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* ThumbsNails::checkPaths() |
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* |
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* @return bool |
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*/ |
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public function checkPaths() |
345
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{ |
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if (\file_exists($this->_source_image) || \is_readable($this->_source_image)) { |
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return true; |
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} |
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if (\is_dir($this->_save_image) || \is_writable($this->_save_image)) { |
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return true; |
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} |
352
|
|
|
|
353
|
|
|
return false; |
354
|
|
|
} |
355
|
|
|
|
356
|
|
|
/** |
357
|
|
|
* @return bool |
358
|
|
|
*/ |
359
|
|
|
public function checkImage() |
360
|
|
|
{ |
361
|
|
|
$this->_img_info = \getimagesize($this->_source_image, $imageinfo); |
362
|
|
|
// if ( $this->_img_info[0] < $this->img_width && $this->_img_info[1] < $this->img_height ) |
363
|
|
|
// return false; |
364
|
|
|
return !(null === $this->_img_info); |
365
|
|
|
} |
366
|
|
|
|
367
|
|
|
/** |
368
|
|
|
* wfsThumbs::checkGdLibrary() |
369
|
|
|
* |
370
|
|
|
* Private function |
371
|
|
|
* |
372
|
|
|
* @return array|false if gd lib not found on the system |
373
|
|
|
*/ |
374
|
|
|
public function checkGdLibrary() |
375
|
|
|
{ |
376
|
|
|
if (!\extension_loaded('gd')) { |
377
|
|
|
return false; |
378
|
|
|
} |
379
|
|
|
$gdlib = \function_exists('gd_info'); |
|
|
|
|
380
|
|
|
if (false === $gdlib = gd_info()) { |
381
|
|
|
return false; |
382
|
|
|
} |
383
|
|
|
|
384
|
|
|
return $gdlib; |
385
|
|
|
} |
386
|
|
|
|
387
|
|
|
/** |
388
|
|
|
* ThumbsNails::isUsingThumbs() |
389
|
|
|
* |
390
|
|
|
* @return bool |
391
|
|
|
*/ |
392
|
|
|
public function isUsingThumbs() |
393
|
|
|
{ |
394
|
|
|
if ($this->_usethumbs) { |
395
|
|
|
return true; |
396
|
|
|
} |
397
|
|
|
|
398
|
|
|
return false; |
399
|
|
|
} |
400
|
|
|
} |
401
|
|
|
|