comparison core/modules/image/src/ImageStyleInterface.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
parents
children 129ea1e6d783
comparison
equal deleted inserted replaced
-1:000000000000 0:4c8ae668cc8c
1 <?php
2
3 namespace Drupal\image;
4
5 use Drupal\Core\Config\Entity\ConfigEntityInterface;
6
7 /**
8 * Provides an interface defining an image style entity.
9 */
10 interface ImageStyleInterface extends ConfigEntityInterface {
11
12 /**
13 * Returns the replacement ID.
14 *
15 * @return string|null
16 * The replacement image style ID or NULL if no replacement has been
17 * selected.
18 *
19 * @deprecated in Drupal 8.0.x, will be removed before Drupal 9.0.x. Use
20 * \Drupal\image\ImageStyleStorageInterface::getReplacementId() instead.
21 *
22 * @see \Drupal\image\ImageStyleStorageInterface::getReplacementId()
23 */
24 public function getReplacementID();
25
26 /**
27 * Returns the image style.
28 *
29 * @return string
30 * The name of the image style.
31 */
32 public function getName();
33
34 /**
35 * Sets the name of the image style.
36 *
37 * @param string $name
38 * The name of the image style.
39 *
40 * @return \Drupal\image\ImageStyleInterface
41 * The class instance this method is called on.
42 */
43 public function setName($name);
44
45
46 /**
47 * Returns the URI of this image when using this style.
48 *
49 * The path returned by this function may not exist. The default generation
50 * method only creates images when they are requested by a user's browser.
51 * Modules may implement this method to decide where to place derivatives.
52 *
53 * @param string $uri
54 * The URI or path to the original image.
55 *
56 * @return string
57 * The URI to the image derivative for this style.
58 */
59 public function buildUri($uri);
60
61 /**
62 * Returns the URL of this image derivative for an original image path or URI.
63 *
64 * @param string $path
65 * The path or URI to the original image.
66 * @param mixed $clean_urls
67 * (optional) Whether clean URLs are in use.
68 *
69 * @return string
70 * The absolute URL where a style image can be downloaded, suitable for use
71 * in an <img> tag. Requesting the URL will cause the image to be created.
72 *
73 * @see \Drupal\image\Controller\ImageStyleDownloadController::deliver()
74 * @see file_url_transform_relative()
75 */
76 public function buildUrl($path, $clean_urls = NULL);
77
78 /**
79 * Generates a token to protect an image style derivative.
80 *
81 * This prevents unauthorized generation of an image style derivative,
82 * which can be costly both in CPU time and disk space.
83 *
84 * @param string $uri
85 * The URI of the original image of this style.
86 *
87 * @return string
88 * An eight-character token which can be used to protect image style
89 * derivatives against denial-of-service attacks.
90 */
91 public function getPathToken($uri);
92
93 /**
94 * Flushes cached media for this style.
95 *
96 * @param string $path
97 * (optional) The original image path or URI. If it's supplied, only this
98 * image derivative will be flushed.
99 *
100 * @return $this
101 */
102 public function flush($path = NULL);
103
104 /**
105 * Creates a new image derivative based on this image style.
106 *
107 * Generates an image derivative applying all image effects and saving the
108 * resulting image.
109 *
110 * @param string $original_uri
111 * Original image file URI.
112 * @param string $derivative_uri
113 * Derivative image file URI.
114 *
115 * @return bool
116 * TRUE if an image derivative was generated, or FALSE if the image
117 * derivative could not be generated.
118 */
119 public function createDerivative($original_uri, $derivative_uri);
120
121 /**
122 * Determines the dimensions of this image style.
123 *
124 * Stores the dimensions of this image style into $dimensions associative
125 * array. Implementations have to provide at least values to next keys:
126 * - width: Integer with the derivative image width.
127 * - height: Integer with the derivative image height.
128 *
129 * @param array $dimensions
130 * Associative array passed by reference. Implementations have to store the
131 * resulting width and height, in pixels.
132 * @param string $uri
133 * Original image file URI. It is passed in to allow effects to
134 * optionally use this information to retrieve additional image metadata
135 * to determine dimensions of the styled image.
136 * ImageStyleInterface::transformDimensions key objective is to calculate
137 * styled image dimensions without performing actual image operations, so
138 * be aware that performing IO on the URI may lead to decrease in
139 * performance.
140 *
141 * @see ImageEffectInterface::transformDimensions
142 */
143 public function transformDimensions(array &$dimensions, $uri);
144
145 /**
146 * Determines the extension of the derivative without generating it.
147 *
148 * @param string $extension
149 * The file extension of the original image.
150 *
151 * @return string
152 * The extension the derivative image will have, given the extension of the
153 * original.
154 */
155 public function getDerivativeExtension($extension);
156
157 /**
158 * Returns a specific image effect.
159 *
160 * @param string $effect
161 * The image effect ID.
162 *
163 * @return \Drupal\image\ImageEffectInterface
164 * The image effect object.
165 */
166 public function getEffect($effect);
167
168 /**
169 * Returns the image effects for this style.
170 *
171 * @return \Drupal\image\ImageEffectPluginCollection|\Drupal\image\ImageEffectInterface[]
172 * The image effect plugin collection.
173 */
174 public function getEffects();
175
176 /**
177 * Saves an image effect for this style.
178 *
179 * @param array $configuration
180 * An array of image effect configuration.
181 *
182 * @return string
183 * The image effect ID.
184 */
185 public function addImageEffect(array $configuration);
186
187 /**
188 * Deletes an image effect from this style.
189 *
190 * @param \Drupal\image\ImageEffectInterface $effect
191 * The image effect object.
192 *
193 * @return $this
194 */
195 public function deleteImageEffect(ImageEffectInterface $effect);
196
197 /**
198 * Determines if this style can be applied to a given image.
199 *
200 * @param string $uri
201 * The URI of the image.
202 *
203 * @return bool
204 * TRUE if the image is supported, FALSE otherwise.
205 */
206 public function supportsUri($uri);
207
208 }