1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
<?php
/**
* The Image Sizes library.
*
* @package automattic/jetpack
*/
jetpack_require_lib( 'class.jetpack-photon-image' );
/**
* Class Jetpack_Photon_ImageSizes
*
* Manages image resizing via Jetpack CDN Service.
*/
class Jetpack_Photon_ImageSizes {
/**
* @var array $data Attachment metadata.
*/
public $data;
/**
* @var Image Image to be resized.
*/
public $image;
/**
* @var null|array $sizes Intermediate sizes.
*/
public static $sizes = null;
/**
* Construct new sizes meta
*
* @param int $attachment_id Attachment ID.
* @param array $data Attachment metadata.
*/
public function __construct( $attachment_id, $data ) {
$this->data = $data;
$this->image = new Jetpack_Photon_Image( $data, get_post_mime_type( $attachment_id ) );
$this->generate_sizes();
}
/**
* Generate sizes for attachment.
*
* @return array Array of sizes; empty array as failure fallback.
*/
protected function generate_sizes() {
// There is no need to generate the sizes a new for every single image.
if ( null !== self::$sizes ) {
return self::$sizes;
}
/*
* The following logic is copied over from wp_generate_attachment_metadata
*/
$_wp_additional_image_sizes = wp_get_additional_image_sizes();
$sizes = array();
$intermediate_image_sizes = get_intermediate_image_sizes();
foreach ( $intermediate_image_sizes as $s ) {
$sizes[ $s ] = array(
'width' => '',
'height' => '',
'crop' => false,
);
if ( isset( $_wp_additional_image_sizes[ $s ]['width'] ) ) {
// For theme-added sizes.
$sizes[ $s ]['width'] = (int) $_wp_additional_image_sizes[ $s ]['width'];
} else {
// For default sizes set in options.
$sizes[ $s ]['width'] = get_option( "{$s}_size_w" );
}
if ( isset( $_wp_additional_image_sizes[ $s ]['height'] ) ) {
// For theme-added sizes.
$sizes[ $s ]['height'] = (int) $_wp_additional_image_sizes[ $s ]['height'];
} else {
// For default sizes set in options.
$sizes[ $s ]['height'] = get_option( "{$s}_size_h" );
}
if ( isset( $_wp_additional_image_sizes[ $s ]['crop'] ) ) {
// For theme-added sizes.
$sizes[ $s ]['crop'] = $_wp_additional_image_sizes[ $s ]['crop'];
} else {
// For default sizes set in options.
$sizes[ $s ]['crop'] = get_option( "{$s}_crop" );
}
}
self::$sizes = $sizes;
return $sizes;
}
/**
* @return array
*/
public function filtered_sizes() {
// Remove filter preventing the creation of advanced sizes.
remove_filter(
'intermediate_image_sizes_advanced',
array( 'Jetpack_Photon', 'filter_photon_noresize_intermediate_sizes' )
);
/** This filter is documented in wp-admin/includes/image.php */
$sizes = apply_filters( 'intermediate_image_sizes_advanced', self::$sizes, $this->data );
// Re-add the filter removed above.
add_filter(
'intermediate_image_sizes_advanced',
array( 'Jetpack_Photon', 'filter_photon_noresize_intermediate_sizes' )
);
return (array) $sizes;
}
/**
* Standardises and validates the size_data array.
*
* @param array $size_data Size data array - at least containing height or width key. Can contain crop as well.
*
* @return array Array with populated width, height and crop keys; empty array if no width and height are provided.
*/
public function standardize_size_data( $size_data ) {
$has_at_least_width_or_height = ( isset( $size_data['width'] ) || isset( $size_data['height'] ) );
if ( ! $has_at_least_width_or_height ) {
return array();
}
$defaults = array(
'width' => null,
'height' => null,
'crop' => false,
);
return array_merge( $defaults, $size_data );
}
/**
* Get sizes for attachment post meta.
*
* @return array ImageSizes for attachment postmeta.
*/
public function generate_sizes_meta() {
$metadata = array();
foreach ( $this->filtered_sizes() as $size => $size_data ) {
$size_data = $this->standardize_size_data( $size_data );
if ( true === empty( $size_data ) ) {
continue;
}
$resized_image = $this->resize( $size_data );
if ( true === is_array( $resized_image ) ) {
$metadata[ $size ] = $resized_image;
}
}
return $metadata;
}
/**
* @param array $size_data
*
* @return array|\WP_Error Array for usage in $metadata['sizes']; WP_Error on failure.
*/
protected function resize( $size_data ) {
return $this->image->get_size( $size_data );
}
}
|
GitWeb