Provides an interface for image objects.
| Name | Modifiers | Type | Description |
|---|---|---|---|
| ImageInterface::apply | public | function | Applies a toolkit operation to the image. |
| ImageInterface::convert | public | function | Instructs the toolkit to save the image in the format specified by the extension. |
| ImageInterface::createNew | public | function | Prepares a new image, without loading it from a file. |
| ImageInterface::crop | public | function | Crops an image to a rectangle specified by the given dimensions. |
| ImageInterface::desaturate | public | function | Converts an image to grayscale. |
| ImageInterface::getFileSize | public | function | Returns the size of the image file. |
| ImageInterface::getHeight | public | function | Returns the height of the image. |
| ImageInterface::getMimeType | public | function | Returns the MIME type of the image file. |
| ImageInterface::getSource | public | function | Retrieves the source path of the image file. |
| ImageInterface::getToolkit | public | function | Returns the image toolkit used for this image file. |
| ImageInterface::getToolkitId | public | function | Returns the ID of the image toolkit used for this image file. |
| ImageInterface::getWidth | public | function | Returns the width of the image. |
| ImageInterface::isValid | public | function | Checks if the image is valid. |
| ImageInterface::resize | public | function | Resizes an image to the given dimensions (ignoring aspect ratio). |
| ImageInterface::rotate | public | function | Rotates an image by the given number of degrees. |
| ImageInterface::save | public | function | Closes the image and saves the changes to a file. |
| ImageInterface::scale | public | function | Scales an image while maintaining aspect ratio. |
| ImageInterface::scaleAndCrop | public | function | Scales an image to the exact width and height given. |
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Image!ImageInterface.php/interface/ImageInterface/8.1.x