共用方式為


Matrix.MapRadius(Single) Method

Definition

Return the mean radius of a circle after it has been mapped by this matrix.

[Android.Runtime.Register("mapRadius", "(F)F", "GetMapRadius_FHandler")]
public virtual float MapRadius (float radius);
[<Android.Runtime.Register("mapRadius", "(F)F", "GetMapRadius_FHandler")>]
abstract member MapRadius : single -> single
override this.MapRadius : single -> single

Parameters

radius
Single

Returns

Attributes

Remarks

Return the mean radius of a circle after it has been mapped by this matrix. NOTE: in perspective this value assumes the circle has its center at the origin.

Java documentation for android.graphics.Matrix.mapRadius(float).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to