ViewerSettings
constructor(showStatusBar: Boolean = true, showNavigationBar: Boolean = true, keepOnScreen: Boolean = false, cutWhitespace: Boolean = false, enableBrightnessControl: Boolean = false, screenBrightness: Float = 0.3f, imageQuality: Int = 75, readAheadPageCount: Int = 3, bindingDirection: BindingDirection = BindingDirection.RTL, alwaysOpenFromFirstPage: Boolean = false, imageFormat: ImageFormat = ImageFormat.ORIGINAL)