Interface IShapeRenderer

Interface for custom shape renderers. Implement this interface to create visual representations for shape element types.

public interface IShapeRenderer

Remarks

Shape renderers follow the same pattern as node and edge renderers, allowing consistent extensibility for all canvas elements.

Register implementations with ShapeRendererRegistry to handle specific shape types (rectangle, line, text, ellipse, etc.).

Creates the visual representation for a shape element.

Control CreateShapeVisual(ShapeElement shape, ShapeRenderContext context)

shape ShapeElement: The shape element to render.
context ShapeRenderContext: The rendering context with theme, scale, and settings.

Updates the visual state when selection changes.

void UpdateSelection(Control visual, ShapeElement shape, ShapeRenderContext context)

Updates an existing visual when the shape's properties change.

void UpdateVisual(Control visual, ShapeElement shape, ShapeRenderContext context)