class SetGifTransparentColor in Image Effects 8

Defines ImageMagick set_gif_transparent_color image operation.

Plugin annotation

@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.")
)

Hierarchy

• class \Drupal\image_effects\Plugin\ImageToolkit\Operation\imagemagick\SetGifTransparentColor extends \Drupal\imagemagick\Plugin\ImageToolkit\Operation\imagemagick\ImagemagickImageToolkitOperationBase uses ImagemagickOperationTrait, SetGifTransparentColorTrait

File

src/Plugin/ImageToolkit/Operation/imagemagick/SetGifTransparentColor.php, line 19

Namespace

Drupal\image_effects\Plugin\ImageToolkit\Operation\imagemagick

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']));
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ImagemagickOperationTrait::$formatMapper	protected	property	The format mapper service.
ImagemagickOperationTrait::getFormatMapper	protected	function	Returns the format mapper service.
SetGifTransparentColor::execute	protected	function
SetGifTransparentColorTrait::arguments	protected	function
SetGifTransparentColorTrait::validateArguments	protected	function