BP_GOPP_Image_Editor_GS::load()

	public function load() {
		if ( true !== ( $result = self::gs_valid( $this->file ) ) ) {
			return new WP_Error( 'invalid_image', $result, $this->file );
		}

		list( $filename, $extension, $mime_type ) = $this->get_output_format( $this->file );
		$this->mime_type                          = $mime_type;

		// Allow chance for gopp_editor_set_resolution filter to fire by calling set_resolution() with null arg (mimicking set_quality() behavior).
		if ( is_wp_error( $result = $this->set_resolution() ) ) {
			return $result;
		}

		// Similarly for page to render.
		if ( is_wp_error( $result = $this->set_page() ) ) {
			return $result;
		}

		return $this->set_quality();
	}