ScribbleState.drawing constructor

const ScribbleState.drawing({ required Sketch sketch, SketchLine? activeLine, @Default(ScribblePointerMode.all) ScribblePointerMode allowedPointersMode, @Default([]) List<int> activePointerIds, Point? pointerPosition, @Default(0xFF000000) int selectedColor, @Default(5) double selectedWidth, @Default(1) double scaleFactor, @Default(0) double simplificationTolerance, })

The state of the scribble widget when it is being drawn on.

Implementation

const factory ScribbleState.drawing({
  /// The current state of the sketch
  required Sketch sketch,

  /// The line that is currently being drawn
  SketchLine? activeLine,

  /// Which pointers are allowed for drawing and will be captured by the
  /// scribble widget.
  @Default(ScribblePointerMode.all) ScribblePointerMode allowedPointersMode,

  /// The ids of all supported pointers that are currently interacting with
  /// the widget.
  @Default([]) List<int> activePointerIds,

  /// The current position of the pointer
  Point? pointerPosition,

  /// The color that is currently being drawn with
  @Default(0xFF000000) int selectedColor,

  /// The current width of the pen
  @Default(5) double selectedWidth,

  /// {@template view.state.scribble_state.scale_factor}
  /// How much the widget is scaled at the moment.
  ///
  /// Can be used if zoom functionality is needed
  /// (e.g. through InteractiveViewer) so that the pen width remains the same.
  /// {@endtemplate}
  @Default(1) double scaleFactor,

  /// {@template view.state.scribble_state.simplification_tolerance}
  /// The current tolerance of simplification, in pixels.
  ///
  /// Lines will be simplified when they are finished. A value of 0 (default)
  /// will mean no simplification.
  /// {@endtemplate}
  @Default(0) double simplificationTolerance,
}) = Drawing;