Просмотр архива Fiera на mysqli


<?php


 class ImgType
 {
     public $image;
     public $image_type;

     public function load($filename)
     {
         $image_info = getimagesize($filename);
         $this->image_type = $image_info[2];
         if ($this->image_type == IMAGETYPE_JPEG) {
             $this->image = imagecreatefromjpeg($filename);
         } elseif ($this->image_type == IMAGETYPE_GIF) {
             $this->image = imagecreatefromgif($filename);
         } elseif ($this->image_type == IMAGETYPE_PNG) {
             $this->image = imagecreatefrompng($filename);
         }
     }
     public function save($filename, $image_type=IMAGETYPE_PNG, $compression=75, $permissions=null)
     {
         if ($image_type == IMAGETYPE_JPEG) {
             imagejpeg($this->image, $filename, $compression);
         } elseif ($image_type == IMAGETYPE_GIF) {
             imagegif($this->image, $filename);
         } elseif ($image_type == IMAGETYPE_PNG) {
             imagepng($this->image, $filename);
         }
         if ($permissions != null) {
             @chmod($filename, $permissions);
         }
     }
     public function output($image_type=IMAGETYPE_PNG)
     {
         if ($image_type == IMAGETYPE_JPEG) {
             imagejpeg($this->image);
         } elseif ($image_type == IMAGETYPE_GIF) {
             imagegif($this->image);
         } elseif ($image_type == IMAGETYPE_PNG) {
             imagepng($this->image);
         }
     }
     public function getWidth()
     {
         return imagesx($this->image);
     }
     public function getHeight()
     {
         return imagesy($this->image);
     }
     public function resizeToHeight($height)
     {
         $ratio = $height / $this->getHeight();
         $width = $this->getWidth() * $ratio;
         $this->resize($width, $height);
     }

     public function resizeToWidth($width)
     {
         $ratio = $width / $this->getWidth();
         $height = $this->getheight() * $ratio;
         $this->resize($width, $height);
     }

     public function scale($scale)
     {
         $width = $this->getWidth() * $scale/100;
         $height = $this->getheight() * $scale/100;
         $this->resize($width, $height);
     }

     public function resize($width, $height)
     {
         $new_image = imagecreatetruecolor($width, $height);
         if ($this->image_type == 1) {
             // Сохраняем прозрачность в GIF
            $transparent_index = imagecolortransparent($this->image);
             if ($transparent_index !== -1) {
                 $transparent_color = imagecolorsforindex($this->image, $transparent_index);
                 $transparent_index = imagecolorallocate($new_image, $transparent_color['red'], $transparent_color['green'],
                    $transparent_color['blue']);
                 imagefill($new_image, 0, 0, $transparent_index);
                 imagecolortransparent($new_image, $transparent_index);
             }
         } else {
             // Сохраняем прозрачность в PNG (желательно и для JPEG)
            imagealphablending($new_image, false);
             imagesavealpha($new_image, true);
         }
         imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->
            getWidth(), $this->getHeight());
         $this->image = $new_image;
     }
 }