Region Class

Definition

[Android.Runtime.Register("android/graphics/Region", DoNotGenerateAcw=true)]
public class Region : Java.Lang.Object, Android.OS.IParcelable, IDisposable, Java.Interop.IJavaPeerable
[<Android.Runtime.Register("android/graphics/Region", DoNotGenerateAcw=true)>]
type Region = class
    inherit Object
    interface IParcelable
    interface IJavaObject
    interface IDisposable
    interface IJavaPeerable
Inheritance
Region
Attributes
Implements

Remarks

Android platform documentation

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.

Constructors

Region()

Create an empty region

Region(Int32, Int32, Int32, Int32)

Return a region set to the specified rectangle

Region(IntPtr, JniHandleOwnership)

A constructor used when creating managed representations of JNI objects; called by the runtime.

Region(Rect)

Return a region set to the specified rectangle

Region(Region)

Return a copy of the specified region

Properties

BoundaryPath

Return the boundary of the region as a new Path.

Bounds

Return a new Rect set to the bounds of the region.

Class

Returns the runtime class of this Object.

(Inherited from Object)
Creator
Handle

The handle to the underlying Android instance.

(Inherited from Object)
IsComplex

Return true if the region contains more than one rectangle

IsEmpty

Return true if this region is empty

IsRect

Return true if the region contains a single rectangle

JniIdentityHashCode (Inherited from Object)
JniPeerMembers
PeerReference (Inherited from Object)
ThresholdClass

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

ThresholdType

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

Methods

Clone()

Creates and returns a copy of this object.

(Inherited from Object)
Contains(Int32, Int32)

Return true if the region contains the specified point

DescribeContents()

Describe the kinds of special objects contained in this Parcelable's marshalled representation.

Dispose() (Inherited from Object)
Dispose(Boolean) (Inherited from Object)
Equals(Object)

Indicates whether some other object is "equal to" this one.

(Inherited from Object)
GetBoundaryPath(Path)

Set the path to the boundary of the region.

GetBounds(Rect)

Set the Rect to the bounds of the region.

GetHashCode()

Returns a hash code value for the object.

(Inherited from Object)
InvokeOp(Int32, Int32, Int32, Int32, Region+Op)

Perform the specified Op on this region and the specified rect.

InvokeOp(Rect, Region, Region+Op)

Perform the specified Op on this region and the specified rect.

InvokeOp(Rect, Region+Op)

Perform the specified Op on this region and the specified rect.

InvokeOp(Region, Region, Region+Op)

Perform the specified Op on this region and the specified rect.

InvokeOp(Region, Region+Op)

Perform the specified Op on this region and the specified rect.

JavaFinalize()

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

(Inherited from Object)
Notify()

Wakes up a single thread that is waiting on this object's monitor.

(Inherited from Object)
NotifyAll()

Wakes up all threads that are waiting on this object's monitor.

(Inherited from Object)
QuickContains(Int32, Int32, Int32, Int32)

Return true if the region is a single rectangle (not complex) and it contains the specified rectangle.

QuickContains(Rect)

Return true if the region is a single rectangle (not complex) and it contains the specified rectangle.

QuickReject(Int32, Int32, Int32, Int32)

Return true if the region is empty, or if the specified rectangle does not intersect the region.

QuickReject(Rect)

Return true if the region is empty, or if the specified rectangle does not intersect the region.

QuickReject(Region)

Return true if the region is empty, or if the specified region does not intersect the region.

Set(Int32, Int32, Int32, Int32)

Set the region to the specified rectangle

Set(Rect)

Set the region to the specified rectangle

Set(Region)

Set the region to the specified region.

SetEmpty()

Set the region to the empty region

SetHandle(IntPtr, JniHandleOwnership)

Sets the Handle property.

(Inherited from Object)
SetPath(Path, Region)

Set the region to the area described by the path and clip.

ToArray<T>() (Inherited from Object)
ToString()

Returns a string representation of the object.

(Inherited from Object)
Translate(Int32, Int32)

Translate the region by [dx, dy].

Translate(Int32, Int32, Region)

Set the dst region to the result of translating this region by [dx, dy].

Union(Rect)
UnregisterFromRuntime() (Inherited from Object)
Wait()

Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>.

(Inherited from Object)
Wait(Int64)

Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed.

(Inherited from Object)
Wait(Int64, Int32)

Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed.

(Inherited from Object)
WriteToParcel(Parcel, ParcelableWriteFlags)

Write the region and its pixels to the parcel.

Explicit Interface Implementations

IJavaPeerable.Disposed() (Inherited from Object)
IJavaPeerable.DisposeUnlessReferenced() (Inherited from Object)
IJavaPeerable.Finalized() (Inherited from Object)
IJavaPeerable.JniManagedPeerState (Inherited from Object)
IJavaPeerable.SetJniIdentityHashCode(Int32) (Inherited from Object)
IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) (Inherited from Object)
IJavaPeerable.SetPeerReference(JniObjectReference) (Inherited from Object)

Extension Methods

JavaCast<TResult>(IJavaObject)

Performs an Android runtime-checked type conversion.

JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable)

Applies to