ScaleAndCrop.php in Zircon Profile 8
File
core/modules/system/src/Plugin/ImageToolkit/Operation/gd/ScaleAndCrop.php
View source
<?php
namespace Drupal\system\Plugin\ImageToolkit\Operation\gd;
class ScaleAndCrop extends GDImageToolkitOperationBase {
protected function arguments() {
return array(
'width' => array(
'description' => 'The target width, in pixels',
),
'height' => array(
'description' => 'The target height, in pixels',
),
);
}
protected function validateArguments(array $arguments) {
$actualWidth = $this
->getToolkit()
->getWidth();
$actualHeight = $this
->getToolkit()
->getHeight();
$scaleFactor = max($arguments['width'] / $actualWidth, $arguments['height'] / $actualHeight);
$arguments['x'] = (int) round(($actualWidth * $scaleFactor - $arguments['width']) / 2);
$arguments['y'] = (int) round(($actualHeight * $scaleFactor - $arguments['height']) / 2);
$arguments['resize'] = array(
'width' => (int) round($actualWidth * $scaleFactor),
'height' => (int) round($actualHeight * $scaleFactor),
);
if ($arguments['width'] <= 0) {
throw new \InvalidArgumentException("Invalid width ('{$arguments['width']}') specified for the image 'scale_and_crop' operation");
}
if ($arguments['height'] <= 0) {
throw new \InvalidArgumentException("Invalid height ('{$arguments['height']}') specified for the image 'scale_and_crop' operation");
}
return $arguments;
}
protected function execute(array $arguments = array()) {
return $this
->getToolkit()
->apply('resize', $arguments['resize']) && $this
->getToolkit()
->apply('crop', $arguments);
}
}