Seditio Source
Root |
./othercms/croogo-4.0.7/vendor/intervention/image/src/Intervention/Image/Gd/Driver.php
<?php

namespace Intervention\Image\Gd;

use
Intervention\Image\Exception\NotSupportedException;
use
Intervention\Image\Image;

class
Driver extends \Intervention\Image\AbstractDriver
{
   
/**
     * Creates new instance of driver
     *
     * @param Decoder $decoder
     * @param Encoder $encoder
     */
   
public function __construct(Decoder $decoder = null, Encoder $encoder = null)
    {
        if ( !
$this->coreAvailable()) {
            throw new
NotSupportedException(
               
"GD Library extension not available with this PHP installation."
           
);
        }

       
$this->decoder = $decoder ? $decoder : new Decoder;
       
$this->encoder = $encoder ? $encoder : new Encoder;
    }

   
/**
     * Creates new image instance
     *
     * @param  int     $width
     * @param  int     $height
     * @param  mixed   $background
     * @return \Intervention\Image\Image
     */
   
public function newImage($width, $height, $background = null)
    {
       
// create empty resource
       
$core = imagecreatetruecolor($width, $height);
       
$image = new Image(new static, $core);

       
// set background color
       
$background = new Color($background);
       
imagefill($image->getCore(), 0, 0, $background->getInt());

        return
$image;
    }

   
/**
     * Reads given string into color object
     *
     * @param  string $value
     * @return AbstractColor
     */
   
public function parseColor($value)
    {
        return new
Color($value);
    }

   
/**
     * Checks if core module installation is available
     *
     * @return boolean
     */
   
protected function coreAvailable()
    {
        return (
extension_loaded('gd') && function_exists('gd_info'));
    }

   
/**
     * Returns clone of given core
     *
     * @return mixed
     */
   
public function cloneCore($core)
    {
       
$width = imagesx($core);
       
$height = imagesy($core);
       
$clone = imagecreatetruecolor($width, $height);
       
imagealphablending($clone, false);
       
imagesavealpha($clone, true);
       
$transparency = imagecolorallocatealpha($clone, 0, 0, 0, 127);
       
imagefill($clone, 0, 0, $transparency);
       
       
imagecopy($clone, $core, 0, 0, 0, 0, $width, $height);

        return
$clone;
    }
}