optimole-wp / inc / image_properties / resize.php

resize.php in Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization 3.12.1, at inc/image_properties/resize.php

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1	<?php
2
3	/**
4	* Class Optml_Resize
5	*/
6	class Optml_Resize extends Optml_Property_Type {
7
8
9	/**
10	* Resize the image while keeping aspect ratio to fit given size.
11	*/
12	const RESIZE_FILL = 'fill';
13	/**
14	* Resize the image while keeping aspect ratio
15	* to fill given size and cropping projecting parts.
16	*/
17	const RESIZE_FIT = 'fit';
18	/**
19	* Crops the image to a given size.
20	*/
21	const RESIZE_CROP = 'crop';
22
23
24	/**
25	* Top edge.
26	*/
27	const GRAVITY_NORTH = 'no';
28	/**
29	* Bottom Edge.
30	*/
31	const GRAVITY_SOUTH = 'so';
32	/**
33	* Right Edge.
34	*/
35	const GRAVITY_EAST = 'ea';
36	/**
37	* Left edge.
38	*/
39	const GRAVITY_WEST = 'we';
40
41	/**
42	* Top right corner.
43	*/
44	const GRAVITY_NORTH_WEST = 'noea';
45	/**
46	* Top left corner.
47	*/
48	const GRAVITY_NORTH_EAST = 'nowe';
49	/**
50	* Bottom right corner.
51	*/
52	const GRAVITY_SOUTH_EAST = 'soea';
53	/**
54	* Bottom left corner.
55	*/
56	const GRAVITY_SOUTH_WEST = 'sowe';
57
58
59	/**
60	* Center
61	*/
62	const GRAVITY_CENTER = 'ce';
63	/**
64	* Detects the most "interesting" section of the image and
65	* considers it as the center of the resulting image
66	*/
67	const GRAVITY_SMART = 'sm';
68	/**
69	* Detects the most "interesting" section of the image and
70	* considers it as the center of the resulting image
71	*/
72	const GRAVITY_FOCUS_POINT = 'fp';
73
74	/**
75	* Floating point numbers between 0 and 1 that define the coordinates of the resulting image for X axis.
76	*
77	* @var int Focus point X.
78	*/
79	private $focus_point_x = 0;
80	/**
81	* Floating point numbers between 0 and 1 that define the coordinates of the resulting image for X axis.
82	*
83	* @var int Focus point Y.
84	*/
85	private $focus_point_y = 0;
86
87	/**
88	* Resize type.
89	*
90	* @var string Resize type string.
91	*/
92	private $resize_type = '';
93	/**
94	* Should enlarge.
95	*
96	* @var bool Enlarge flag
97	*/
98	private $enlarge = false;
99	/**
100	* Global default enlarge.
101	*
102	* @var bool Enlarge flag
103	*/
104	public static $default_enlarge = false;
105
106	/**
107	* Gravity type.
108	*
109	* @var string Gravity type string.
110	*/
111	private $gravity = '';
112
113	/**
114	* Optml_Resize constructor.
115	*/
116	public function __construct( $value = [] ) {
117	$this->set( $value );
118	}
119
120	/**
121	* Set property value.
122	*
123	* @param mixed $value Value to set.
124	*/
125	public function set( $value ) {
126	$this->resize_type = isset( $value['type'] ) ? $value['type'] : '';
127	$this->enlarge = isset( $value['enlarge'] ) ? $value['enlarge'] : self::$default_enlarge;
128	$this->gravity = isset( $value['gravity'] ) ? is_array( $value['gravity'] ) ? self::GRAVITY_FOCUS_POINT : $value['gravity'] : '';
129	if ( $this->gravity === self::GRAVITY_FOCUS_POINT ) {
130	$this->focus_point_x = $value['gravity'][0];
131	$this->focus_point_y = $value['gravity'][1];
132	}
133
134	}
135
136	/**
137	* Return property value.
138	*
139	* @return mixed
140	*/
141	public function get() {
142	if ( empty( $this->resize_type ) ) {
143	return [];
144	}
145	if ( empty( $this->gravity ) ) {
146	return [ 'type' => $this->resize_type ];
147	}
148	if ( $this->gravity === self::GRAVITY_FOCUS_POINT ) {
149	return [ 'type' => $this->gravity, 'gravity' => [ $this->focus_point_x, $this->focus_point_y ] ];
150	}
151
152	return [
153	'type' => $this->resize_type,
154	'gravity' => $this->gravity,
155	'enlarge' => $this->enlarge,
156	];
157	}
158
159	/**
160	* Return ImageProxy URL formatted string property.
161	*
162	* @return string
163	*/
164	public function toString() {
165
166	$resize = sprintf( 'rt:%s', $this->resize_type );
167
168	$resize .= sprintf( '/g:%s', $this->gravity );
169
170	if ( $this->gravity === self::GRAVITY_FOCUS_POINT ) {
171	$resize .= sprintf( ':%s:%s', $this->focus_point_x, $this->focus_point_y );
172	}
173
174	if ( $this->enlarge ) {
175	$resize .= '/el:1';
176	}
177
178	return $resize;
179	}
180	}
181