public ImageStyle::buildUri($uri)
Returns the URI of this image when using this style.
The path returned by this function may not exist. The default generation method only creates images when they are requested by a user's browser. Modules may implement this method to decide where to place derivatives.
Parameters
string $uri: The URI or path to the original image.
Return value
string The URI to the image derivative for this style.
Overrides ImageStyleInterface::buildUri
File
- core/modules/image/src/Entity/ImageStyle.php, line 164
Class
- ImageStyle
- Defines an image style configuration entity.
Namespace
Drupal\image\Entity
Code
public function buildUri($uri) {
$source_scheme = $scheme = $this->fileUriScheme($uri);
$default_scheme = $this->fileDefaultScheme();
if ($source_scheme) {
$path = $this->fileUriTarget($uri);
// The scheme of derivative image files only needs to be computed for
// source files not stored in the default scheme.
if ($source_scheme != $default_scheme) {
$class = $this->getStreamWrapperManager()->getClass($source_scheme);
$is_writable = $class::getType() & StreamWrapperInterface::WRITE;
// Compute the derivative URI scheme. Derivatives created from writable
// source stream wrappers will inherit the scheme. Derivatives created
// from read-only stream wrappers will fall-back to the default scheme.
$scheme = $is_writable ? $source_scheme : $default_scheme;
}
}
else {
$path = $uri;
$source_scheme = $scheme = $default_scheme;
}
return "$scheme://styles/{$this->id()}/$source_scheme/{$this->addExtension($path)}";
}
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