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<?php /** * @package SP Page Builder * @author JoomShaper http://www.joomshaper.com * @copyright Copyright (c) 2010 - 2021 JoomShaper * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or later */ //no direct accees defined ('_JEXEC') or die ('Restricted access'); class SppagebuilderHelperImage { public $height; public $width; private $src; public function __construct($src = '') { $this->src = $src; list($this->width, $this->height) = getimagesize($src); } public function getDimension() { return [$this->width, $this->height]; } /** * Create thumb image with specifice height and width and with their ratio */ public function createThumb($destination, $base_name, $ext, $size = array(), $quality = 100 ) { $img = $this->createImageFromType($ext); if(count((array) $size) && $img != null ) { $targetWidth = $size[0]; $targetHeight = $size[1]; $ratio_thumb = $targetWidth/$targetHeight; $ratio_original = $this->width/$this->height; if ($ratio_original >= $ratio_thumb) { $height = $this->height; $width = ceil(($height*$targetWidth)/$targetHeight); $x = ceil(($this->width-$width)/2); $y = 0; } else { $width = $this->width; $height = ceil(($width*$targetHeight)/$targetWidth); $y = ceil(($this->height-$height)/2); $x = 0; } $new = imagecreatetruecolor($targetWidth, $targetHeight); if($ext == "gif" or $ext == "png") { imagecolortransparent($new, imagecolorallocatealpha($new, 0, 0, 0, 127)); imagealphablending($new, false); imagesavealpha($new, true); } imagecopyresampled($new, $img, 0, 0, $x, $y, $targetWidth, $targetHeight, $width, $height); $dest = $destination . '/' . $base_name . '.' . $ext; $this->cloneImage($ext, $new, $dest, $quality); return true; } return false; } /** * Clone Image from original to destination source based on extension */ private function cloneImage($ext, $new, $dest, $quality){ switch($ext) { case 'bmp': imagewbmp($new, $dest); break; case 'gif': imagegif($new, $dest); break; case 'jpg': imagejpeg($new, $dest, $quality); break; case 'jpeg': imagejpeg($new, $dest, $quality); break; case 'png': imagepng($new, $dest, floor($quality/11)); break; } } /** * Create Image from their specifice extension */ private function createImageFromType($ext) { switch($ext) { case 'bmp': $img = imagecreatefromwbmp($this->src); break; case 'gif': $img = imagecreatefromgif($this->src); break; case 'jpg': $img = imagecreatefromjpeg($this->src); break; case 'jpeg': $img = imagecreatefromjpeg($this->src); break; case 'png': $img = imagecreatefrompng($this->src); break; } return $img; } }
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