ImageResizeEffect.php in Image effect kit 8

Contains \Drupal\iek\Plugin\ImageEffect\ImageResizeEffect.

Namespace

Drupal\iek\Plugin\ImageEffect

File

src/Plugin/ImageEffect/ImageResizeEffect.php

<?php

/**
 * @file
 * Contains \Drupal\iek\Plugin\ImageEffect\ImageResizeEffect.
 */
namespace Drupal\iek\Plugin\ImageEffect;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Image\ImageInterface;
use Drupal\image\ConfigurableImageEffectBase;

/**
 * IEK - Resize.
 *
 * @ImageEffect(
 *   id = "iek_image_resize",
 *   label = @Translation("IEK - Resize"),
 *   description = @Translation("Resize an image by using the GD toolkit.")
 * )
 */
class ImageResizeEffect extends ConfigurableImageEffectBase {

  /**
   * {@inheritdoc}
   */
  public function applyEffect(ImageInterface $image) {
    if (!$image
      ->apply('iek_image_resize', $this->configuration)) {
      $this->logger
        ->error('IEK - Resize failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', [
        '%toolkit' => $image
          ->getToolkitId(),
        '%path' => $image
          ->getSource(),
        '%mimetype' => $image
          ->getMimeType(),
        '%dimensions' => $image
          ->getWidth() . 'x' . $image
          ->getHeight(),
      ]);
      return FALSE;
    }
    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function transformDimensions(array &$dimensions, $uri) {
    $dimensions['width'] = $this->configuration['width'];
    $dimensions['height'] = $this->configuration['height'];
    $dimensions['blank_margin'] = $this->configuration['blank_margin'];
    $dimensions['blank_margin_bg_color'] = $this->configuration['blank_margin_bg_color'];
    $dimensions['position'] = $this->configuration['position'];
    $dimensions['x'] = $this->configuration['x'];
    $dimensions['y'] = $this->configuration['y'];
  }

  /**
   * {@inheritdoc}
   */
  public function getSummary() {
    $data = $this->configuration;
    if ($data['blank_margin'] == 1) {
      $data['blank_margin'] = $this
        ->t('Yes');
    }
    else {
      $data['blank_margin'] = $this
        ->t('No');
    }
    $positions = $this
      ->getAlignPositions();
    $data['position'] = $positions[$data['position']];
    $summary = [
      '#theme' => 'iek_image_resize_summary',
      '#data' => $data,
    ];
    $summary += parent::getSummary();
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'width' => NULL,
      'height' => NULL,
      'blank_margin' => 0,
      'blank_margin_bg_color' => '#FFFFFF',
      'position' => 'middle_center',
      'x' => 0,
      'y' => 0,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['width'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Width'),
      '#default_value' => $this->configuration['width'],
      '#field_suffix' => ' ' . $this
        ->t('pixels'),
      '#required' => TRUE,
      '#min' => 1,
    ];
    $form['height'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Height'),
      '#default_value' => $this->configuration['height'],
      '#field_suffix' => ' ' . $this
        ->t('pixels'),
      '#required' => TRUE,
      '#min' => 1,
    ];
    $form['blank_margin'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Blank margin'),
      '#default_value' => $this->configuration['blank_margin'],
      '#options' => [
        1 => $this
          ->t('Yes'),
        0 => $this
          ->t('No'),
      ],
      '#required' => TRUE,
    ];
    $form['blank_margin_bg_color'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Blank margin background color'),
      '#default_value' => $this->configuration['blank_margin_bg_color'],
      '#size' => 10,
      '#maxlength' => 7,
      '#states' => [
        'visible' => [
          ':input[name="data[blank_margin]"]' => [
            'value' => 1,
          ],
        ],
      ],
    ];
    $form['position'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Align position'),
      '#default_value' => $this->configuration['position'],
      '#options' => $this
        ->getAlignPositions(),
      '#required' => TRUE,
    ];
    $form['x'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('X-axis'),
      '#default_value' => $this->configuration['x'],
      '#required' => TRUE,
      '#size' => 5,
      '#states' => [
        'visible' => [
          ':input[name="data[position]"]' => [
            'value' => 'coordinate',
          ],
        ],
      ],
    ];
    $form['y'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Y-axis'),
      '#default_value' => $this->configuration['y'],
      '#required' => TRUE,
      '#size' => 5,
      '#states' => [
        'visible' => [
          ':input[name="data[position]"]' => [
            'value' => 'coordinate',
          ],
        ],
      ],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    parent::submitConfigurationForm($form, $form_state);
    $this->configuration['width'] = $form_state
      ->getValue('width');
    $this->configuration['height'] = $form_state
      ->getValue('height');
    $this->configuration['blank_margin'] = $form_state
      ->getValue('blank_margin');
    $this->configuration['blank_margin_bg_color'] = $form_state
      ->getValue('blank_margin_bg_color');
    $this->configuration['position'] = $form_state
      ->getValue('position');
    $this->configuration['x'] = $form_state
      ->getValue('x');
    $this->configuration['y'] = $form_state
      ->getValue('y');
  }
  private function getAlignPositions() {
    return [
      'top_left' => $this
        ->t('Top Left'),
      'top_center' => $this
        ->t('Top Center'),
      'top_right' => $this
        ->t('Top Right'),
      'middle_left' => $this
        ->t('Middle Left'),
      'middle_center' => $this
        ->t('Middle Center'),
      'middle_right' => $this
        ->t('Middle Right'),
      'bottom_left' => $this
        ->t('Bottom Left'),
      'bottom_center' => $this
        ->t('Bottom Center'),
      'bottom_right' => $this
        ->t('Bottom Right'),
      'coordinate' => $this
        ->t('Coordinate'),
    ];
  }

}

Classes

Name	Description
ImageResizeEffect	IEK - Resize.