quickwebp / includes / vendor / intervention / image / src / Intervention / Image / ImageManager.php

ImageManager.php in QuickWebP – WebP & AVIF Image Optimizer, Compression & SEO for WordPress 2.0.0, at includes/vendor/intervention/image/src/Intervention/Image/ImageManager.php

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1	<?php
2
3	namespace Intervention\Image;
4
5	use Closure;
6	use Intervention\Image\Exception\MissingDependencyException;
7	use Intervention\Image\Exception\NotSupportedException;
8
9	class ImageManager
10	{
11	/**
12	* Config
13	*
14	* @var array
15	*/
16	public $config = [
17	'driver' => 'gd'
18	];
19
20	/**
21	* Creates new instance of Image Manager
22	*
23	* @param array $config
24	*/
25	public function __construct(array $config = [])
26	{
27	$this->checkRequirements();
28	$this->configure($config);
29	}
30
31	/**
32	* Overrides configuration settings
33	*
34	* @param array $config
35	*
36	* @return self
37	*/
38	public function configure(array $config = [])
39	{
40	$this->config = array_replace($this->config, $config);
41
42	return $this;
43	}
44
45	/**
46	* Initiates an Image instance from different input types
47	*
48	* @param mixed $data
49	*
50	* @return \Intervention\Image\Image
51	*/
52	public function make($data)
53	{
54	return $this->createDriver()->init($data);
55	}
56
57	/**
58	* Creates an empty image canvas
59	*
60	* @param int $width
61	* @param int $height
62	* @param mixed $background
63	*
64	* @return \Intervention\Image\Image
65	*/
66	public function canvas($width, $height, $background = null)
67	{
68	return $this->createDriver()->newImage($width, $height, $background);
69	}
70
71	/**
72	* Create new cached image and run callback
73	* (requires additional package intervention/imagecache)
74	*
75	* @param Closure $callback
76	* @param int $lifetime
77	* @param boolean $returnObj
78	*
79	* @return Image
80	*/
81	public function cache(Closure $callback, $lifetime = null, $returnObj = false)
82	{
83	if (class_exists('Intervention\\Image\\ImageCache')) {
84	// create imagecache
85	$imagecache = new ImageCache($this);
86
87	// run callback
88	if (is_callable($callback)) {
89	$callback($imagecache);
90	}
91
92	return $imagecache->get($lifetime, $returnObj);
93	}
94
95	throw new MissingDependencyException(
96	"Please install package intervention/imagecache before running this function."
97	);
98	}
99
100	/**
101	* Creates a driver instance according to config settings
102	*
103	* @return \Intervention\Image\AbstractDriver
104	*/
105	private function createDriver()
106	{
107	if (is_string($this->config['driver'])) {
108	$drivername = ucfirst($this->config['driver']);
109	$driverclass = sprintf('Intervention\\Image\\%s\\Driver', $drivername);
110
111	if (class_exists($driverclass)) {
112	return new $driverclass;
113	}
114
115	throw new NotSupportedException(
116	"Driver ({$drivername}) could not be instantiated."
117	);
118	}
119
120	if ($this->config['driver'] instanceof AbstractDriver) {
121	return $this->config['driver'];
122	}
123
124	throw new NotSupportedException(
125	"Unknown driver type."
126	);
127	}
128
129	/**
130	* Check if all requirements are available
131	*
132	* @return void
133	*/
134	private function checkRequirements()
135	{
136	if ( ! function_exists('finfo_buffer')) {
137	throw new MissingDependencyException(
138	"PHP Fileinfo extension must be installed/enabled to use Intervention Image."
139	);
140	}
141	}
142	}
143