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vendor/intervention/image/src/Intervention/Image/Gd/Driver.php

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+<?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;
+    }
+}