<?php
/**
 * Class and methods to integrate with the WP_Image_Editor_Imagick class and other extensions.
 *
 * @link https://ewww.io
 * @package EWWW_Image_Optimizer
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Extension of the WP_Image_Editor_Imagick class to auto-compress edited images.
 *
 * @see WP_Image_Editor_Imagick
 */
class EWWWIO_Imagick_Editor extends WP_Image_Editor_Imagick {

	/**
	 * GD Resource.
	 *
	 * @access protected
	 * @var resource|GdImage $ewww_image
	 */
	protected $ewww_image;

	/**
	 * Site (URL) for the plugin to use.
	 *
	 * @access protected
	 * @var string $site_url
	 */
	protected $modified = false;

	/**
	 * Resizes current image.
	 * Wraps _resize, since _resize returns a GD Resource.
	 *
	 * At minimum, either a height or width must be provided.
	 * If one of the two is set to null, the resize will
	 * maintain aspect ratio according to the provided dimension.
	 *
	 * @since 4.6.0
	 *
	 * @param int|null $max_w Image width.
	 * @param int|null $max_h Image height.
	 * @param bool     $crop Optional. Scale by default, crop if true.
	 * @return true|WP_Error
	 */
	public function resize( $max_w, $max_h, $crop = false ) {
		ewwwio_debug_message( '<b>wp_image_editor_imagick::' . __FUNCTION__ . '()</b>' );
		if ( (int) $this->size['width'] === (int) $max_w && (int) $this->size['height'] === (int) $max_h ) {
			return true;
		}

		$dims = image_resize_dimensions( $this->size['width'], $this->size['height'], $max_w, $max_h, $crop );
		if ( ! $dims ) {
			return new WP_Error( 'error_getting_dimensions', __( 'Could not calculate resized image dimensions' ) );
		}
		list( $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h ) = $dims;

		$resized = $this->_resize( $dims, $crop );

		if ( is_string( $resized ) ) {
			$this->ewww_image = $resized;
			return $resized;
		} elseif ( is_wp_error( $resized ) ) {
			return $resized;
		}
		return $this->update_size( $dst_w, $dst_h );
	}

	/**
	 * Resizes current image.
	 *
	 * Uses gifsicle to preserve GIF animations.
	 *
	 * @since 4.6.0
	 *
	 * @param array $dims {
	 *     All parameters necessary for resizing.
	 *
	 *     @type int $dst_x X-coordinate of destination image (usually 0).
	 *     @type int $dst_y Y-coordinate of destination image (usually 0).
	 *     @type int $src_x X-coordinate of source image (usually 0 unless cropping).
	 *     @type int $src_y Y-coordinate of source image (usually 0 unless cropping).
	 *     @type int $dst_w Desired image width.
	 *     @type int $dst_h Desired image height.
	 *     @type int $src_w Source width.
	 *     @type int $src_h Source height.
	 * }
	 * @param bool  $crop Should we crop or should we scale.
	 * @return bool|WP_Error
	 */
	protected function _resize( $dims, $crop ) {
		ewwwio_debug_message( '<b>wp_image_editor_imagick::' . __FUNCTION__ . '()</b>' );
		list( $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h ) = $dims;
		if ( defined( 'EWWWIO_EDITOR_AGR' ) && ! EWWWIO_EDITOR_AGR ) {
			ewwwio_debug_message( 'AGR disabled' );
			if ( $crop ) {
				return $this->crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h );
			}
			return $this->thumbnail_image( $dst_w, $dst_h );
		}
		if ( defined( 'EWWWIO_EDITOR_BETTER_RESIZE' ) && ! EWWW_IO_EDITOR_BETTER_RESIZE ) {
			ewwwio_debug_message( 'API resize disabled' );
			if ( $crop ) {
				return $this->crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h );
			}
			return $this->thumbnail_image( $dst_w, $dst_h );
		}
		$return_parent = false; // An indicator for whether we should short-circuit and use the parent thumbnail_image method.
		$ewww_status   = get_transient( 'ewww_image_optimizer_cloud_status' );
		if ( 'image/gif' === $this->mime_type && ! ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) ) {
			$gifsicle_path = ewwwio()->local->get_path( 'gifsicle' );
			if ( empty( $gifsicle_path ) ) {
				ewwwio_debug_message( 'no gifsicle to resize an animated GIF' );
				$return_parent = true;
			}
		}
		// If this is a GIF, and we have no gifsicle, and there's an API key, but the status isn't 'great',
		// double-check the key to see if the status has changed before bailing.
		if (
			'image/gif' === $this->mime_type &&
			empty( $gifsicle_path ) &&
			false === strpos( $ewww_status, 'great' ) &&
			ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) &&
			! ewww_image_optimizer_cloud_verify( ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) )
		) {
			ewwwio_debug_message( 'no API key to resize an animated GIF' );
			$return_parent = true;
		}
		// If this is some other image, and there's an API key, but the status isn't 'great',
		// double-check the key to see if the status has changed before bailing.
		if (
			'image/gif' !== $this->mime_type &&
			false === strpos( $ewww_status, 'great' ) &&
			ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) &&
			! ewww_image_optimizer_cloud_verify( ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) )
		) {
			ewwwio_debug_message( 'no API to resize the image' );
			$return_parent = true;
		}
		// If this isn't a GIF, or if the GIF isn't animated, then bail--we don't yet support "better resizing" for non-GIFs.
		if ( 'image/gif' !== $this->mime_type || ! ewww_image_optimizer_is_animated( $this->file ) ) {
			ewwwio_debug_message( 'not an animated GIF' );
			$return_parent = true;
		}
		// TODO: Possibly handle crop, rotate, and flip down the road.
		if ( $this->modified ) {
			ewwwio_debug_message( 'image already altered, leave it alone' );
			$return_parent = true;
		}
		if (
			! $this->file ||
			ewww_image_optimizer_stream_wrapped( $this->file ) ||
			0 === strpos( $this->file, 'http' ) ||
			0 === strpos( $this->file, 'ftp' ) ||
			! ewwwio_is_file( $this->file )
		) {
			ewwwio_debug_message( 'could not load original file, or remote path detected' );
			$return_parent = true;
		}
		if ( $return_parent ) {
			if ( $crop ) {
				return $this->crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h );
			}
			return $this->thumbnail_image( $dst_w, $dst_h );
		}
		$resize_result = ewww_image_optimizer_better_resize( $this->file, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );
		if ( is_wp_error( $resize_result ) ) {
			return $resize_result;
		}

		$imagick  = new Imagick();
		$new_size = array();
		try {
			$imagick->clear();
			$imagick->readImageBlob( $resize_result );
			if ( function_exists( 'getimagesizefromstring' ) ) {
				$gd_size_info = getimagesizefromstring( $resize_result );
			}
			if ( ! empty( $gd_size_info ) ) {
				$new_size['width']  = $gd_size_info[0];
				$new_size['height'] = $gd_size_info[1];
			} else {
				$new_size = $imagick->getImageGeometry();
			}
			ewwwio_debug_message( 'new size: ' . implode( 'x', $new_size ) );
		} catch ( Exception $e ) {
			return new WP_Error( 'image_resize_error', $e->getMessage(), $this->file );
		}
		$this->image = $imagick;
		if ( empty( $new_size ) ) {
			return new WP_Error( 'image_resize_error', __( 'Image resize failed.' ) );
		}
		$this->update_size( $new_size['width'], $new_size['height'] );
		return $resize_result;
	}

	/**
	 * Efficiently resize the current image
	 *
	 * This is a WordPress specific implementation of Imagick::thumbnailImage(),
	 * which resizes an image to given dimensions and removes any associated profiles.
	 *
	 * @since 4.5.0
	 *
	 * @param int    $dst_w       The destination width.
	 * @param int    $dst_h       The destination height.
	 * @param string $filter_name Optional. The Imagick filter to use when resizing. Default 'FILTER_TRIANGLE'.
	 * @param bool   $strip_meta  Optional. Strip all profiles, excluding color profiles, from the image. Default true.
	 * @return void|WP_Error
	 */
	protected function thumbnail_image( $dst_w, $dst_h, $filter_name = 'FILTER_TRIANGLE', $strip_meta = true ) {
		ewwwio_debug_message( '<b>wp_image_editor_imagick::' . __FUNCTION__ . '()</b>' );
		$allowed_filters = array(
			'FILTER_POINT',
			'FILTER_BOX',
			'FILTER_TRIANGLE',
			'FILTER_HERMITE',
			'FILTER_HANNING',
			'FILTER_HAMMING',
			'FILTER_BLACKMAN',
			'FILTER_GAUSSIAN',
			'FILTER_QUADRATIC',
			'FILTER_CUBIC',
			'FILTER_CATROM',
			'FILTER_MITCHELL',
			'FILTER_LANCZOS',
			'FILTER_BESSEL',
			'FILTER_SINC',
		);

		$filter_name = apply_filters( 'eio_image_resize_filter', $filter_name, $dst_w, $dst_h );
		ewwwio_debug_message( "using resize filter $filter_name" );
		/**
		 * Set the filter value if '$filter_name' name is in the allowed list and the related
		 * Imagick constant is defined or fall back to the default filter.
		 */
		if ( in_array( $filter_name, $allowed_filters, true ) && defined( 'Imagick::' . $filter_name ) ) {
			$filter = constant( 'Imagick::' . $filter_name );
		} else {
			$filter = defined( 'Imagick::FILTER_TRIANGLE' ) ? Imagick::FILTER_TRIANGLE : false;
		}

		/**
		 * Filters whether to strip metadata from images when they're resized.
		 *
		 * This filter only applies when resizing using the Imagick editor since GD
		 * always strips profiles by default.
		 *
		 * @since 4.5.0
		 *
		 * @param bool $strip_meta Whether to strip image metadata during resizing. Default true.
		 */
		if ( apply_filters( 'image_strip_meta', $strip_meta ) ) {
			$this->strip_meta(); // Fail silently if not supported.
		}

		try {
			/*
			 * To be more efficient, resample large images to 5x the destination size before resizing
			 * whenever the output size is less that 1/3 of the original image size (1/3^2 ~= .111),
			 * unless we would be resampling to a scale smaller than 128x128.
			 */
			if ( is_callable( array( $this->image, 'sampleImage' ) ) ) {
				$resize_ratio  = ( $dst_w / $this->size['width'] ) * ( $dst_h / $this->size['height'] );
				$sample_factor = 5;

				if ( $resize_ratio < .111 && ( $dst_w * $sample_factor > 128 && $dst_h * $sample_factor > 128 ) ) {
					$this->image->sampleImage( $dst_w * $sample_factor, $dst_h * $sample_factor );
				}
			}

			/*
			 * Use resizeImage() when it's available and a valid filter value is set.
			 * Otherwise, fall back to the scaleImage() method for resizing, which
			 * results in better image quality over resizeImage() with default filter
			 * settings and retains backward compatibility with pre 4.5 functionality.
			 */
			if ( is_callable( array( $this->image, 'resizeImage' ) ) && $filter ) {
				$this->image->setOption( 'filter:support', '2.0' );
				$this->image->resizeImage( $dst_w, $dst_h, $filter, 1 );
			} else {
				$this->image->scaleImage( $dst_w, $dst_h );
			}

			// Set appropriate quality settings after resizing.
			if ( 'image/jpeg' === $this->mime_type ) {
				if ( apply_filters( 'eio_use_adaptive_sharpen', false, $dst_w, $dst_h ) && is_callable( array( $this->image, 'adaptiveSharpenImage' ) ) ) {
					$radius = apply_filters( 'eio_adaptive_sharpen_radius', 0, $dst_w, $dst_h );
					$sigma  = apply_filters( 'eio_adaptive_sharpen_sigma', 1, $dst_w, $dst_h );
					ewwwio_debug_message( "running adaptiveSharpenImage( $radius, $sigma )" );
					$this->image->adaptiveSharpenImage( $radius, $sigma );
				} elseif ( is_callable( array( $this->image, 'unsharpMaskImage' ) ) ) {
					$radius    = apply_filters( 'eio_sharpen_radius', 0.25, $dst_w, $dst_h );
					$sigma     = apply_filters( 'eio_sharpen_sigma', 0.25, $dst_w, $dst_h );
					$amount    = apply_filters( 'eio_sharpen_amount', 8, $dst_w, $dst_h );
					$threshold = apply_filters( 'eio_sharpen_threshold', 0.065, $dst_w, $dst_h );
					ewwwio_debug_message( "running unsharpMaskImage( $radius, $sigma, $amount, $threshold )" );
					$this->image->unsharpMaskImage( $radius, $sigma, $amount, $threshold );
					// $this->image->unsharpMaskImage( 0.25, 0.25, 8, 0.065 ); // core WP defaults.
					// $this->image->unsharpMaskImage( 0, 0.4, 1.2, 0.01 ); // values from the Better Images plugin.
				}

				$this->image->setOption( 'jpeg:fancy-upsampling', 'off' );
			}

			if ( 'image/png' === $this->mime_type ) {
				$this->image->setOption( 'png:compression-filter', '5' );
				$this->image->setOption( 'png:compression-level', '9' );
				$this->image->setOption( 'png:compression-strategy', '1' );
				$this->image->setOption( 'png:exclude-chunk', 'all' );
			}

			/*
			 * If alpha channel is not defined, set it opaque.
			 *
			 * Note that Imagick::getImageAlphaChannel() is only available if Imagick
			 * has been compiled against ImageMagick version 6.4.0 or newer.
			 */
			if ( is_callable( array( $this->image, 'getImageAlphaChannel' ) )
				&& is_callable( array( $this->image, 'setImageAlphaChannel' ) )
				&& defined( 'Imagick::ALPHACHANNEL_UNDEFINED' )
				&& defined( 'Imagick::ALPHACHANNEL_OPAQUE' )
			) {
				if ( $this->image->getImageAlphaChannel() === Imagick::ALPHACHANNEL_UNDEFINED ) {
					$this->image->setImageAlphaChannel( Imagick::ALPHACHANNEL_OPAQUE );
				}
			}

			// Limit the bit depth of resized images to 8 bits per channel.
			if ( is_callable( array( $this->image, 'getImageDepth' ) ) && is_callable( array( $this->image, 'setImageDepth' ) ) ) {
				if ( 8 < $this->image->getImageDepth() ) {
					$this->image->setImageDepth( 8 );
				}
			}

			if ( is_callable( array( $this->image, 'setInterlaceScheme' ) ) && defined( 'Imagick::INTERLACE_NO' ) ) {
				$this->image->setInterlaceScheme( Imagick::INTERLACE_NO );
			}
		} catch ( Exception $e ) {
			return new WP_Error( 'image_resize_error', $e->getMessage() );
		}
	}

	/**
	 * Resize multiple images from a single source.
	 *
	 * @since 4.6.0
	 *
	 * @param array $sizes {
	 *     An array of image size arrays. Default sizes are 'small', 'medium', 'medium_large', 'large'.
	 *
	 *     Either a height or width must be provided.
	 *     If one of the two is set to null, the resize will
	 *     maintain aspect ratio according to the provided dimension.
	 *     Likewise, if crop is false, aspect ratio will also be preserved.
	 *
	 *     @type array $size {
	 *         Array of height, width values, and whether to crop.
	 *
	 *         @type int  $width  Image width. Optional if `$height` is specified.
	 *         @type int  $height Image height. Optional if `$width` is specified.
	 *         @type bool $crop   Optional. Whether to crop the image. Default false.
	 *     }
	 * }
	 * @return array An array of resized images' metadata by size.
	 */
	public function multi_resize( $sizes ) {
		ewwwio_debug_message( '<b>wp_image_editor_imagick::' . __FUNCTION__ . '()</b>' );
		$metadata   = array();
		$orig_size  = $this->size;
		$orig_image = $this->image->getImage();
		foreach ( $sizes as $size => $size_data ) {
			if ( ! $this->image ) {
				$this->image = $orig_image->getImage();
			}
			if ( ! isset( $size_data['width'] ) && ! isset( $size_data['height'] ) ) {
				continue;
			}
			if ( ! isset( $size_data['width'] ) ) {
				$size_data['width'] = null;
			}
			if ( ! isset( $size_data['height'] ) ) {
				$size_data['height'] = null;
			}
			if ( ! isset( $size_data['crop'] ) ) {
				$size_data['crop'] = false;
			}

			$resize_result = $this->resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
			$duplicate     = ( (int) $orig_size['width'] === (int) $size_data['width'] && (int) $orig_size['height'] === (int) $size_data['height'] );

			if ( ! is_wp_error( $resize_result ) && ! $duplicate ) {
				if ( is_string( $resize_result ) ) {
					$resized = $this->_save_ewwwio_file( $resize_result );
					unset( $resize_result );
					// Note sure this bit is necessary, but just to be safe.
					$this->image->clear();
					$this->image->destroy();
					$this->image = null;
				} else {
					$resized = $this->_save( $this->image );
					$this->image->clear();
					$this->image->destroy();
					$this->image = null;
				}
				if ( ! is_wp_error( $resized ) && $resized ) {
					unset( $resized['path'] );
					$metadata[ $size ] = $resized;
				}
			}
			$this->size = $orig_size;
		}
		$this->image = $orig_image;
		return $metadata;
	}

	/**
	 * Crops Image.
	 *
	 * Currently does nothing more than call the parent and let us know the image is modified.
	 *
	 * @since 4.6.0
	 *
	 * @param int  $src_x The start x position to crop from.
	 * @param int  $src_y The start y position to crop from.
	 * @param int  $src_w The width to crop.
	 * @param int  $src_h The height to crop.
	 * @param int  $dst_w Optional. The destination width.
	 * @param int  $dst_h Optional. The destination height.
	 * @param bool $src_abs Optional. If the source crop points are absolute.
	 * @return bool|WP_Error
	 */
	public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false ) {
		$this->modified = 'crop';
		return parent::crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs );
	}

	/**
	 * Rotates current image counter-clockwise by $angle.
	 *
	 * Currently does nothing more than call the parent and let us know the image is modified.
	 *
	 * @since 4.6.0
	 *
	 * @param float $angle The number of degrees for rotation.
	 * @return true|WP_Error
	 */
	public function rotate( $angle ) {
		$this->modified = 'rotate';
		return parent::rotate( $angle );
	}

	/**
	 * Flips current image.
	 *
	 * Currently does nothing more than call the parent and let us know the image is modified.
	 *
	 * @since 4.6.0
	 *
	 * @param bool $horz Flip along Horizontal Axis.
	 * @param bool $vert Flip along Vertical Axis.
	 * @return true|WP_Error
	 */
	public function flip( $horz, $vert ) {
		$this->modified = 'flip';
		return parent::flip( $horz, $vert );
	}

	/**
	 * Saves a file from the EWWW IO API-enabled image editor.
	 *
	 * @since 4.6.0
	 *
	 * @param string $image A string containing the image contents.
	 * @param string $filename Optional. The name of the file to be saved to.
	 * @param string $mime_type Optional. The mimetype of the file.
	 * @return WP_Error|array The full path, base filename, and mimetype.
	 */
	protected function _save_ewwwio_file( $image, $filename = null, $mime_type = null ) {
		ewwwio_debug_message( '<b>wp_image_editor_imagick::' . __FUNCTION__ . '()</b>' );
		list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );
		if ( ! $filename ) {
			$filename = $this->generate_filename( null, null, $extension );
		}
		if ( wp_is_stream( $filename ) ) {
			$imagick = new Imagick();
			try {
				$imagick->readImageBlob( $image );
			} catch ( Exception $e ) {
				return new WP_Error( 'image_save_error', $e->getMessage(), $filename );
			}
			unset( $this->ewww_image );
			return parent::_save( $imagick, $filename, $mime_type );
		}
		if ( ! is_string( $image ) ) {
			unset( $this->ewww_image );
			return parent::_save( $image, $filename, $mime_type );
		}
		global $ewww_preempt_editor;
		if ( ( ! defined( 'EWWWIO_EDITOR_OVERWRITE' ) || ! EWWWIO_EDITOR_OVERWRITE ) && ewwwio_is_file( $filename ) && empty( $ewww_preempt_editor ) ) {
			ewwwio_debug_message( "detected existing file: $filename" );
			$current_size = wp_getimagesize( $filename );
			if ( $current_size && (int) $this->size['width'] === (int) $current_size[0] && (int) $this->size['height'] === (int) $current_size[1] ) {
				ewwwio_debug_message( "existing file has same dimensions, not saving $filename" );
				return array(
					'path'      => $filename,
					'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
					'width'     => $this->size['width'],
					'height'    => $this->size['height'],
					'mime-type' => $mime_type,
				);
			}
		}
		// Write out the image (substitute for $this->make_image()).
		wp_mkdir_p( dirname( $filename ) );
		$result = file_put_contents( $filename, $image );
		if ( $result ) {
			ewwwio_debug_message( "image editor (imagick-api-enhanced) saved: $filename" );
			if ( is_writable( $filename ) ) {
				$stat  = stat( dirname( $filename ) );
				$perms = $stat['mode'] & 0000666; // Same permissions as parent folder with executable bits stripped.
				ewwwio_chmod( $filename, $perms );
			}
			ewwwio_memory( __FUNCTION__ );
			return array(
				'path'      => $filename,
				'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
				'width'     => $this->size['width'],
				'height'    => $this->size['height'],
				'mime-type' => $mime_type,
			);
		}
		ewwwio_memory( __FUNCTION__ );
		return new WP_Error( 'image_save_error', __( 'Image Editor Save Failed' ) );
	}

	/**
	 * Saves a file from the image editor.
	 *
	 * @since 1.7.0
	 *
	 * @param resource $image An Imagick image object.
	 * @param string   $filename Optional. The name of the file to be saved to.
	 * @param string   $mime_type Optional. The mimetype of the file.
	 * @return WP_Error| array The full path, base filename, width, height, and mimetype.
	 */
	protected function _save( $image, $filename = null, $mime_type = null ) {
		ewwwio_debug_message( '<b>wp_image_editor_imagick::' . __FUNCTION__ . '()</b>' );
		global $ewww_preempt_editor;
		if ( ! empty( $this->ewww_image ) && ! $this->modified ) {
			return $this->_save_ewwwio_file( $this->ewww_image, $filename, $mime_type );
		}
		if ( ! empty( $ewww_preempt_editor ) || ! defined( 'EWWW_IMAGE_OPTIMIZER_ENABLE_EDITOR' ) || ! EWWW_IMAGE_OPTIMIZER_ENABLE_EDITOR ) {
			return parent::_save( $image, $filename, $mime_type );
		}
		list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );
		if ( ! $filename ) {
			$filename = $this->generate_filename( null, null, $extension );
		}
		if ( ( ! defined( 'EWWWIO_EDITOR_OVERWRITE' ) || ! EWWWIO_EDITOR_OVERWRITE ) && ewwwio_is_file( $filename ) ) {
			ewwwio_debug_message( "detected existing file: $filename" );
			$current_size = wp_getimagesize( $filename );
			if ( $current_size && (int) $this->size['width'] === (int) $current_size[0] && (int) $this->size['height'] === (int) $current_size[1] ) {
				ewwwio_debug_message( "existing file has same dimensions, not saving $filename" );
				return array(
					'path'      => $filename,
					'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
					'width'     => $this->size['width'],
					'height'    => $this->size['height'],
					'mime-type' => $mime_type,
				);
			}
		}
		$saved = parent::_save( $image, $filename, $mime_type );
		if ( ! is_wp_error( $saved ) ) {
			if ( ! $filename ) {
				$filename = $saved['path'];
			}
			if ( file_exists( $filename ) ) {
				ewww_image_optimizer( $filename );
				ewwwio_debug_message( "image editor (imagick) saved: $filename" );
				$image_size = ewww_image_optimizer_filesize( $filename );
				ewwwio_debug_message( "image editor size: $image_size" );
			}
		}
		ewwwio_memory( __FUNCTION__ );
		return $saved;
	}
}
