BitmapDataExtensionsFillPie(IReadWriteBitmapData, IAsyncContext, Color32, Rectangle, Single, Single, DrawingOptions) Method

public static bool FillPie(
	this IReadWriteBitmapData bitmapData,
	IAsyncContext context,
	Color32 color,
	Rectangle bounds,
	float startAngle,
	float sweepAngle,
	DrawingOptions drawingOptions = null
)

<ExtensionAttribute>
Public Shared Function FillPie ( 
	bitmapData As IReadWriteBitmapData,
	context As IAsyncContext,
	color As Color32,
	bounds As Rectangle,
	startAngle As Single,
	sweepAngle As Single,
	Optional drawingOptions As DrawingOptions = Nothing
) As Boolean

public:
[ExtensionAttribute]
static bool FillPie(
	IReadWriteBitmapData^ bitmapData, 
	IAsyncContext^ context, 
	Color32 color, 
	Rectangle bounds, 
	float startAngle, 
	float sweepAngle, 
	DrawingOptions^ drawingOptions = nullptr
)

[<ExtensionAttribute>]
static member FillPie : 
        bitmapData : IReadWriteBitmapData * 
        context : IAsyncContext * 
        color : Color32 * 
        bounds : Rectangle * 
        startAngle : float32 * 
        sweepAngle : float32 * 
        ?drawingOptions : DrawingOptions 
(* Defaults:
        let _drawingOptions = defaultArg drawingOptions null
*)
-> bool 

Parameters

bitmapData  IReadWriteBitmapData

The IReadWriteBitmapData instance to draw on.

context  IAsyncContext

An IAsyncContext instance that contains information for asynchronous processing about the current operation.

color  Color32

The color of the pie to fill.

bounds  Rectangle

The bounding rectangle that defines the ellipse from which the pie shape comes.

startAngle  Single

The starting angle of the pie shape, measured in degrees clockwise from the x-axis.

sweepAngle  Single

The sweep angle of the pie shape, measured in degrees clockwise from startAngle.

drawingOptions  DrawingOptions  (Optional)

A DrawingOptions instance that specifies the drawing options to use. If , then the default options are used. This parameter is optional.
Default value: .

Return Value

Usage Note

The pie shape is defined by an arc of an ellipse and the two radial lines that intersect with the endpoints of the arc.

This method does not use optimized shortcuts. If the same pie shape is filled repeatedly, creating a Path with PreferCaching enabled and adding the pie to it can provide a better performance.

This method blocks the caller thread, but if context belongs to an async top level method, then the execution may already run on a pool thread. Degree of parallelism, the ability of cancellation and reporting progress depend on how these were configured at the top level method. To reconfigure the degree of parallelism of an existing context, you can use the AsyncContextWrapper class.

Alternatively, you can use this method to specify the degree of parallelism for synchronous execution. For example, by passing AsyncHelper.SingleThreadContext to the context parameter the method will be forced to use a single thread only.

When reporting progress, this library always passes a DrawingOperation instance to the generic methods of the IAsyncProgress interface.

Reference