Class DrawingService

Represents drawing service.

Inheritance

System.Object

GraphServiceBase

DrawingService

Inherited Members

GraphServiceBase.Graph

Namespace: Telerik.Windows.Diagrams.Core

Assembly: Telerik.Windows.Diagrams.Core.dll

Syntax

public class DrawingService : GraphServiceBase, IDrawingService

Constructors

DrawingService(IGraphInternal)

Initializes a new instance of the DrawingService class.

Declaration

public DrawingService(IGraphInternal graph)

Parameters

IGraphInternal graph The graph.

Properties

ActiveShape

Gets the active shape.

Declaration

public IGeometryShape ActiveShape { get; }

Property Value

IGeometryShape

Implements

IDrawingService.ActiveShape

AnchorPoints

Gets the anchor points.

Declaration

public IEnumerable<Point> AnchorPoints { get; }

Property Value

System.Collections.Generic.IEnumerable<System.Windows.Point>

Implements

IDrawingService.AnchorPoints

ControlPoints

Gets the control points.

Declaration

public IEnumerable<Point> ControlPoints { get; }

Property Value

System.Collections.Generic.IEnumerable<System.Windows.Point>

Implements

IDrawingService.ControlPoints

IsDrawing

Gets a value indicating whether this instance is drawing.

Declaration

public bool IsDrawing { get; }

Property Value

System.Boolean

Implements

IDrawingService.IsDrawing

Methods

ClearPoints()

Clears the anchor and control points.

Declaration

public void ClearPoints()

Implements

IDrawingService.ClearPoints()

CompleteDraw()

Completes the draw.

Declaration

public virtual void CompleteDraw()

Implements

IDrawingService.CompleteDraw()

CreateDrawCommand(IGeometryShape, DrawingState, DrawingState, Boolean, Boolean, DrawingShapeInfo)

Creates the DrawCommand that sets the new state of the Shape or reverts the old state.

Declaration

public DrawCommand CreateDrawCommand(IGeometryShape shape, DrawingState oldState, DrawingState newState, bool isComplete, bool isUndoable, DrawingShapeInfo shapeInfo)

Parameters

IGeometryShape shape

DrawingState oldState

DrawingState newState

System.Boolean isComplete

System.Boolean isUndoable

DrawingShapeInfo shapeInfo

Returns

DrawCommand

Implements

IDrawingService.CreateDrawCommand(IGeometryShape, DrawingState, DrawingState, Boolean, Boolean, DrawingShapeInfo)

CreateHandlesGeometry(Point, Point, FillRule)

Create geometry for the Path Handles in Path Tool.

Declaration

public Geometry CreateHandlesGeometry(Point startPoint, Point endPoint, FillRule fillRule)

Parameters

System.Windows.Point startPoint

System.Windows.Point endPoint

System.Windows.Media.FillRule fillRule

Returns

System.Windows.Media.Geometry

Implements

IDrawingService.CreateHandlesGeometry(Point, Point, FillRule)

CreateShapeGeometry(IEnumerable<DrawingToolSegment>, DrawingShapeInfo)

Creates Geometry for a shape from a given DrawingToolSegments.

Declaration

public Geometry CreateShapeGeometry(IEnumerable<DrawingToolSegment> segments, DrawingShapeInfo shapeInfo)

Parameters

System.Collections.Generic.IEnumerable<DrawingToolSegment> segments

DrawingShapeInfo shapeInfo

Returns

System.Windows.Media.Geometry

Implements

IDrawingService.CreateShapeGeometry(IEnumerable<DrawingToolSegment>, DrawingShapeInfo)

DrawPoints(Nullable<Point>, Nullable<Point>, Boolean)

Draws the points.

Declaration

public virtual bool DrawPoints(Nullable<Point> anchorPoint, Nullable<Point> controlPoint, bool isUndoable = false)

Parameters

System.Nullable<System.Windows.Point> anchorPoint The anchor point.

System.Nullable<System.Windows.Point> controlPoint The control point.

System.Boolean isUndoable The is undoable.

Returns

System.Boolean

Implements

IDrawingService.DrawPoints(Nullable<Point>, Nullable<Point>, Boolean)

InitializeDraw(IGeometryShape, String)

Initializes draw action.

Declaration

public virtual void InitializeDraw(IGeometryShape activeShape, string toolName)

Parameters

IGeometryShape activeShape The active shape.

System.String toolName The name of the current tool.

Implements

IDrawingService.InitializeDraw(IGeometryShape, String)

RemoveLastAnchorPoint()

Removes the last anchor point.

Declaration

public void RemoveLastAnchorPoint()

Implements

IDrawingService.RemoveLastAnchorPoint()

RemoveLastControlPoint()

Removes the last control point.

Declaration

public void RemoveLastControlPoint()

Implements

IDrawingService.RemoveLastControlPoint()

SetState(IGeometryShape, IEnumerable<Point>, IEnumerable<Point>)

Sets the state.

Declaration

public void SetState(IGeometryShape shape, IEnumerable<Point> anchorPoints, IEnumerable<Point> controlPoints)

Parameters

IGeometryShape shape The shape.

System.Collections.Generic.IEnumerable<System.Windows.Point> anchorPoints The anchor points.

System.Collections.Generic.IEnumerable<System.Windows.Point> controlPoints The control points.

Implements

IDrawingService.SetState(IGeometryShape, IEnumerable<Point>, IEnumerable<Point>)

StartDraw()

Starts the draw.

Declaration

public virtual void StartDraw()

Implements

IDrawingService.StartDraw()

Events

Drawing

Occurs when drawing.

Declaration

public event EventHandler<DrawingEventArgs> Drawing

Event Type

System.EventHandler<DrawingEventArgs>

Implements

IDrawingService.Drawing

Extension Methods

CollectionExtensions.ToEnumerable<T>(T)

EnumerableExtensions.ToEnumerable<T>(T)