WP_Image_Editor_Imagick::set_quality( int $quality = null )

Sets Image Compression quality on a 1-100% scale.


Parameters Parameters

$quality

(int) (Optional) Compression Quality. Range: [1,100]

Default value: null


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Return Return

(true|WP_Error) True if set successfully; WP_Error on failure.


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Source Source

File: wp-includes/class-wp-image-editor-imagick.php

	public function set_quality( $quality = null ) {
		$quality_result = parent::set_quality( $quality );
		if ( is_wp_error( $quality_result ) ) {
			return $quality_result;
		} else {
			$quality = $this->get_quality();
		}

		try {
			switch ( $this->mime_type ) {
				case 'image/jpeg':
					$this->image->setImageCompressionQuality( $quality );
					$this->image->setImageCompression( imagick::COMPRESSION_JPEG );
					break;
				case 'image/webp':
					$webp_info = wp_get_webp_info( $this->file );

					if ( 'lossless' === $webp_info['type'] ) {
						// Use WebP lossless settings.
						$this->image->setImageCompressionQuality( 100 );
						$this->image->setOption( 'webp:lossless', 'true' );
					} else {
						$this->image->setImageCompressionQuality( $quality );
					}
					break;
				default:
					$this->image->setImageCompressionQuality( $quality );
			}
		} catch ( Exception $e ) {
			return new WP_Error( 'image_quality_error', $e->getMessage() );
		}
		return true;
	}


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Changelog Changelog

Changelog
Version Description
3.5.0 Introduced.

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