Resize.php
Same filename in other branches
Namespace
Drupal\system\Plugin\ImageToolkit\Operation\gdFile
-
core/
modules/ system/ src/ Plugin/ ImageToolkit/ Operation/ gd/ Resize.php
View source
<?php
namespace Drupal\system\Plugin\ImageToolkit\Operation\gd;
use Drupal\Core\ImageToolkit\Attribute\ImageToolkitOperation;
use Drupal\Core\StringTranslation\TranslatableMarkup;
/**
* Defines GD2 resize operation.
*/
class Resize extends GDImageToolkitOperationBase {
/**
* {@inheritdoc}
*/
protected function arguments() {
return [
'width' => [
'description' => 'The new width of the resized image, in pixels',
],
'height' => [
'description' => 'The new height of the resized image, in pixels',
],
];
}
/**
* {@inheritdoc}
*/
protected function validateArguments(array $arguments) {
// Assure integers for all arguments.
$arguments['width'] = (int) round($arguments['width']);
$arguments['height'] = (int) round($arguments['height']);
// Fail when width or height are 0 or negative.
if ($arguments['width'] <= 0) {
throw new \InvalidArgumentException("Invalid width ('{$arguments['width']}') specified for the image 'resize' operation");
}
if ($arguments['height'] <= 0) {
throw new \InvalidArgumentException("Invalid height ('{$arguments['height']}') specified for the image 'resize' operation");
}
return $arguments;
}
/**
* {@inheritdoc}
*/
protected function execute(array $arguments = []) {
// Create a new image of the required dimensions, and copy and resize
// the original image on it with resampling.
$original_image = $this->getToolkit()
->getImage();
$data = [
'width' => $arguments['width'],
'height' => $arguments['height'],
'extension' => image_type_to_extension($this->getToolkit()
->getType(), FALSE),
'transparent_color' => $this->getToolkit()
->getTransparentColor(),
'is_temp' => TRUE,
];
if ($this->getToolkit()
->apply('create_new', $data)) {
if (imagecopyresampled($this->getToolkit()
->getImage(), $original_image, 0, 0, 0, 0, $arguments['width'], $arguments['height'], imagesx($original_image), imagesy($original_image))) {
return TRUE;
}
// In case of failure, restore the original image.
$this->getToolkit()
->setImage($original_image);
}
return FALSE;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
Resize | Defines GD2 resize operation. |
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