shop.balmet.com

image.php (8111B)

---

 <?php
 /**
  * @package		OpenCart
  * @author		Daniel Kerr
  * @copyright	Copyright (c) 2005 - 2017, OpenCart, Ltd. (https://www.opencart.com/)
  * @license		https://opensource.org/licenses/GPL-3.0
  * @link		https://www.opencart.com
 */
 
 /**
 * Image class
 */
 class Image {
 	private $file;
 	private $image;
 	private $width;
 	private $height;
 	private $bits;
 	private $mime;
 
 	/**
 	 * Constructor
 	 *
 	 * @param	string	$file
 	 *
  	*/
 	public function __construct($file) {
 		if (!extension_loaded('gd')) {
 			exit('Error: PHP GD is not installed!');
 		}
 		
 		if (file_exists($file)) {
 			$this->file = $file;
 
 			$info = getimagesize($file);
 
 			$this->width  = $info[0];
 			$this->height = $info[1];
 			$this->bits = isset($info['bits']) ? $info['bits'] : '';
 			$this->mime = isset($info['mime']) ? $info['mime'] : '';
 
 			if ($this->mime == 'image/gif') {
 				$this->image = imagecreatefromgif($file);
 			} elseif ($this->mime == 'image/png') {
 				$this->image = imagecreatefrompng($file);
 			} elseif ($this->mime == 'image/jpeg') {
 				$this->image = imagecreatefromjpeg($file);
 			}
 		} else {
 			exit('Error: Could not load image ' . $file . '!');
 		}
 	}
 	
 	/**
      * 
 	 * 
 	 * @return	string
      */
 	public function getFile() {
 		return $this->file;
 	}
 
 	/**
      * 
 	 * 
 	 * @return	array
      */
 	public function getImage() {
 		return $this->image;
 	}
 	
 	/**
      * 
 	 * 
 	 * @return	string
      */
 	public function getWidth() {
 		return $this->width;
 	}
 	
 	/**
      * 
 	 * 
 	 * @return	string
      */
 	public function getHeight() {
 		return $this->height;
 	}
 	
 	/**
      * 
 	 * 
 	 * @return	string
      */
 	public function getBits() {
 		return $this->bits;
 	}
 	
 	/**
      * 
 	 * 
 	 * @return	string
      */
 	public function getMime() {
 		return $this->mime;
 	}
 	
 	/**
      * 
      *
      * @param	string	$file
 	 * @param	int		$quality
      */
 	public function save($file, $quality = 90) {
 		$info = pathinfo($file);
 
 		$extension = strtolower($info['extension']);
 
 		if (is_resource($this->image)) {
 			if ($extension == 'jpeg' || $extension == 'jpg') {
 				imagejpeg($this->image, $file, $quality);
 			} elseif ($extension == 'png') {
 				imagepng($this->image, $file);
 			} elseif ($extension == 'gif') {
 				imagegif($this->image, $file);
 			}
 
 			imagedestroy($this->image);
 		}
 	}
 	
 	/**
      * 
      *
      * @param	int	$width
 	 * @param	int	$height
 	 * @param	string	$default
      */
 	public function resize($width = 0, $height = 0, $default = '') {
 		if (!$this->width || !$this->height) {
 			return;
 		}
 
 		$xpos = 0;
 		$ypos = 0;
 		$scale = 1;
 
 		$scale_w = $width / $this->width;
 		$scale_h = $height / $this->height;
 
 		if ($default == 'w') {
 			$scale = $scale_w;
 		} elseif ($default == 'h') {
 			$scale = $scale_h;
 		} else {
 			$scale = min($scale_w, $scale_h);
 		}
 
 		if ($scale == 1 && $scale_h == $scale_w && $this->mime != 'image/png') {
 			return;
 		}
 
 		$new_width = (int)($this->width * $scale);
 		$new_height = (int)($this->height * $scale);
 		$xpos = (int)(($width - $new_width) / 2);
 		$ypos = (int)(($height - $new_height) / 2);
 
 		$image_old = $this->image;
 		$this->image = imagecreatetruecolor($width, $height);
 
 		if ($this->mime == 'image/png') {
 			imagealphablending($this->image, false);
 			imagesavealpha($this->image, true);
 			$background = imagecolorallocatealpha($this->image, 255, 255, 255, 127);
 			imagecolortransparent($this->image, $background);
 		} else {
 			$background = imagecolorallocate($this->image, 255, 255, 255);
 		}
 
 		imagefilledrectangle($this->image, 0, 0, $width, $height, $background);
 
 		imagecopyresampled($this->image, $image_old, $xpos, $ypos, 0, 0, $new_width, $new_height, $this->width, $this->height);
 		imagedestroy($image_old);
 
 		$this->width = $width;
 		$this->height = $height;
 	}
 	
 	/**
      * 
      *
      * @param	string	$watermark
 	 * @param	string	$position
      */
 	public function watermark($watermark, $position = 'bottomright') {
 		switch($position) {
 			case 'topleft':
 				$watermark_pos_x = 0;
 				$watermark_pos_y = 0;
 				break;
 			case 'topcenter':
 				$watermark_pos_x = intval(($this->width - $watermark->getWidth()) / 2);
 				$watermark_pos_y = 0;
 				break;
 			case 'topright':
 				$watermark_pos_x = $this->width - $watermark->getWidth();
 				$watermark_pos_y = 0;
 				break;
 			case 'middleleft':
 				$watermark_pos_x = 0;
 				$watermark_pos_y = intval(($this->height - $watermark->getHeight()) / 2);
 				break;
 			case 'middlecenter':
 				$watermark_pos_x = intval(($this->width - $watermark->getWidth()) / 2);
 				$watermark_pos_y = intval(($this->height - $watermark->getHeight()) / 2);
 				break;
 			case 'middleright':
 				$watermark_pos_x = $this->width - $watermark->getWidth();
 				$watermark_pos_y = intval(($this->height - $watermark->getHeight()) / 2);
 				break;
 			case 'bottomleft':
 				$watermark_pos_x = 0;
 				$watermark_pos_y = $this->height - $watermark->getHeight();
 				break;
 			case 'bottomcenter':
 				$watermark_pos_x = intval(($this->width - $watermark->getWidth()) / 2);
 				$watermark_pos_y = $this->height - $watermark->getHeight();
 				break;
 			case 'bottomright':
 				$watermark_pos_x = $this->width - $watermark->getWidth();
 				$watermark_pos_y = $this->height - $watermark->getHeight();
 				break;
 		}
 		
 		imagealphablending( $this->image, true );
 		imagesavealpha( $this->image, true );
 		imagecopy($this->image, $watermark->getImage(), $watermark_pos_x, $watermark_pos_y, 0, 0, $watermark->getWidth(), $watermark->getHeight());
 
 		imagedestroy($watermark->getImage());
 	}
 	
 	/**
      * 
      *
      * @param	int		$top_x
 	 * @param	int		$top_y
 	 * @param	int		$bottom_x
 	 * @param	int		$bottom_y
      */
 	public function crop($top_x, $top_y, $bottom_x, $bottom_y) {
 		$image_old = $this->image;
 		$this->image = imagecreatetruecolor($bottom_x - $top_x, $bottom_y - $top_y);
 
 		imagecopy($this->image, $image_old, 0, 0, $top_x, $top_y, $this->width, $this->height);
 		imagedestroy($image_old);
 
 		$this->width = $bottom_x - $top_x;
 		$this->height = $bottom_y - $top_y;
 	}
 	
 	/**
      * 
      *
      * @param	int		$degree
 	 * @param	string	$color
      */
 	public function rotate($degree, $color = 'FFFFFF') {
 		$rgb = $this->html2rgb($color);
 
 		$this->image = imagerotate($this->image, $degree, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));
 
 		$this->width = imagesx($this->image);
 		$this->height = imagesy($this->image);
 	}
 	
 	/**
      * 
      *
      */
 	private function filter() {
         $args = func_get_args();
 
         call_user_func_array('imagefilter', $args);
 	}
 	
 	/**
      * 
      *
      * @param	string	$text
 	 * @param	int		$x
 	 * @param	int		$y 
 	 * @param	int		$size
 	 * @param	string	$color
      */
 	private function text($text, $x = 0, $y = 0, $size = 5, $color = '000000') {
 		$rgb = $this->html2rgb($color);
 
 		imagestring($this->image, $size, $x, $y, $text, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));
 	}
 	
 	/**
      * 
      *
      * @param	object	$merge
 	 * @param	object	$x
 	 * @param	object	$y
 	 * @param	object	$opacity
      */
 	private function merge($merge, $x = 0, $y = 0, $opacity = 100) {
 		imagecopymerge($this->image, $merge->getImage(), $x, $y, 0, 0, $merge->getWidth(), $merge->getHeight(), $opacity);
 	}
 	
 	/**
      * 
      *
      * @param	string	$color
 	 * 
 	 * @return	array
      */
 	private function html2rgb($color) {
 		if ($color[0] == '#') {
 			$color = substr($color, 1);
 		}
 
 		if (strlen($color) == 6) {
 			list($r, $g, $b) = array($color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5]);
 		} elseif (strlen($color) == 3) {
 			list($r, $g, $b) = array($color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2]);
 		} else {
 			return false;
 		}
 
 		$r = hexdec($r);
 		$g = hexdec($g);
 		$b = hexdec($b);
 
 		return array($r, $g, $b);
 	}
 }