SetGifTransparentColor.php in Image Effects 8

Namespace

Drupal\image_effects\Plugin\ImageToolkit\Operation\imagemagick

File

src/Plugin/ImageToolkit/Operation/imagemagick/SetGifTransparentColor.php

<?php

namespace Drupal\image_effects\Plugin\ImageToolkit\Operation\imagemagick;

use Drupal\image_effects\Plugin\ImageToolkit\Operation\SetGifTransparentColorTrait;
use Drupal\imagemagick\Plugin\ImageToolkit\Operation\imagemagick\ImagemagickImageToolkitOperationBase;

/**
 * Defines ImageMagick set_gif_transparent_color image operation.
 *
 * @ImageToolkitOperation(
 *   id = "image_effects_imagemagick_set_gif_transparent_color",
 *   toolkit = "imagemagick",
 *   operation = "set_gif_transparent_color",
 *   label = @Translation("Set the image transparent color"),
 *   description = @Translation("Set the image transparent color for GIF images.")
 * )
 */
class SetGifTransparentColor extends ImagemagickImageToolkitOperationBase {
  use ImagemagickOperationTrait;
  use SetGifTransparentColorTrait;

  /**
   * {@inheritdoc}
   */
  protected function execute(array $arguments) {
    $format = $this
      ->getToolkit()
      ->getDestinationFormat() ?: $this
      ->getToolkit()
      ->getSourceFormat();
    $mime_type = $this
      ->getFormatMapper()
      ->getMimeTypeFromFormat($format);
    if ($mime_type === 'image/gif' && $arguments['transparent_color']) {
      $index = $this
        ->getToolkit()
        ->findArgument('-alpha off -transparent-color');
      if ($index !== FALSE) {
        $this
          ->getToolkit()
          ->removeArgument($index);
      }
      $this
        ->getToolkit()
        ->addArgument('-alpha off -transparent-color ' . $this
        ->getToolkit()
        ->escapeShellArg($arguments['transparent_color']) . ' -transparent ' . $this
        ->getToolkit()
        ->escapeShellArg($arguments['transparent_color']));
    }
  }

}

Classes

Name	Description
SetGifTransparentColor	Defines ImageMagick set_gif_transparent_color image operation.