viewport library
Viewport system - pan, zoom, minimap, and graph data.
Classes
- GraphViewport
- Represents the viewport transformation for a node flow graph.
-
MinimapPainter<
T> - Custom painter for rendering the minimap visualization.
-
NodeFlowMinimap<
T> - A minimap widget that provides an overview of the entire node flow graph.
-
NodeGraph<
T> - Immutable data class for graph serialization/deserialization All state management is handled by NodeFlowController
Extension Types
- GraphOffset
- Extension type representing a delta/movement in graph coordinate space.
- GraphPosition
- Extension type representing an absolute position in graph/world coordinate space.
- GraphRect
- Extension type representing a rectangle in graph/world coordinate space.
- ScreenOffset
- Extension type representing a delta/movement in screen coordinate space.
- ScreenPosition
- Extension type representing an absolute position in screen coordinate space.
- ScreenRect
- Extension type representing a rectangle in screen coordinate space.
Extensions
- GraphPositionOffsetExtension on GraphPosition
- Extension methods for applying GraphOffset to GraphPosition.
-
MinimapControllerExtension
on NodeFlowController<
T> - Extension adding minimap navigation functionality to NodeFlowController.
- ScreenPositionOffsetExtension on ScreenPosition
- Extension methods for applying ScreenOffset to ScreenPosition.
Functions
-
defaultNodeFromJson<
T> (Map< String, dynamic> json, T fromJsonT(Object? json)) → Node<T> - Default factory for deserializing nodes with type routing.