Region Region Class

Definition

[Android.Runtime.Register("android/graphics/Region", ApiSince=1, DoNotGenerateAcw=true)]
public class Region : Java.Lang.Object, Android.OS.IParcelable, IDisposable
type Region = class
    inherit Object
    interface IParcelable
    interface IJavaObject
    interface IDisposable
Inheritance
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() Region()

Create an empty region

Region(Int32, Int32, Int32, Int32) Region(Int32, Int32, Int32, Int32)

Return a region set to the specified rectangle

Region(IntPtr, JniHandleOwnership) Region(IntPtr, JniHandleOwnership)

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

Region(Rect) Region(Rect)

Return a region set to the specified rectangle

Region(Region) Region(Region)

Return a copy of the specified region

Properties

BoundaryPath BoundaryPath

Return the boundary of the region as a new Path.

Bounds Bounds

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

Class Class

Returns the unique instance of Class that represents this object's class.

(Inherited from Object)
Creator Creator
Handle Handle

The handle to the underlying Android instance.

(Inherited from Object)
IJavaObjectEx.IsProxy IJavaObjectEx.IsProxy Inherited from Object
IJavaObjectEx.KeyHandle IJavaObjectEx.KeyHandle Inherited from Object
IJavaObjectEx.NeedsActivation IJavaObjectEx.NeedsActivation Inherited from Object
IJavaPeerable.JniManagedPeerState IJavaPeerable.JniManagedPeerState Inherited from Object
IsComplex IsComplex

Return true if the region contains more than one rectangle

IsEmpty IsEmpty

Return true if this region is empty

IsRect IsRect

Return true if the region contains a single rectangle

JniIdentityHashCode JniIdentityHashCode Inherited from Object
JniPeerMembers JniPeerMembers
PeerReference PeerReference Inherited from Object
ThresholdClass ThresholdClass

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

ThresholdType ThresholdType

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

Methods

Clone() Clone()

Creates and returns a copy of this Object.

(Inherited from Object)
Contains(Int32, Int32) Contains(Int32, Int32)

Return true if the region contains the specified point

DescribeContents() DescribeContents()

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

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

Compares this instance with the specified object and indicates if they are equal.

(Inherited from Object)
GetBoundaryPath(Path) GetBoundaryPath(Path)

Set the path to the boundary of the region.

GetBounds(Rect) GetBounds(Rect)

Set the Rect to the bounds of the region.

GetHashCode() GetHashCode()

Returns an integer hash code for this object.

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

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

InvokeOp(Rect, Region+Op) InvokeOp(Rect, Region+Op)

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

InvokeOp(Rect, Region, Region+Op) InvokeOp(Rect, Region, Region+Op)

Set this region to the result of performing the Op on the specified rect and region.

InvokeOp(Region, Region+Op) InvokeOp(Region, Region+Op)

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

InvokeOp(Region, Region, Region+Op) InvokeOp(Region, Region, Region+Op)

Set this region to the result of performing the Op on the specified regions.

JavaFinalize() JavaFinalize()

Invoked when the garbage collector has detected that this instance is no longer reachable.

(Inherited from Object)
Notify() Notify()

Causes a thread which is waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.

(Inherited from Object)
NotifyAll() NotifyAll()

Causes all threads which are waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.

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

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

QuickContains(Rect) QuickContains(Rect)

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

QuickReject(Int32, Int32, Int32, Int32) QuickReject(Int32, Int32, Int32, Int32)

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

QuickReject(Rect) QuickReject(Rect)

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

QuickReject(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(Int32, Int32, Int32, Int32)

Set the region to the specified rectangle

Set(Rect) Set(Rect)

Set the region to the specified rectangle

Set(Region) Set(Region)

Set the region to the specified region.

SetEmpty() SetEmpty()

Set the region to the empty region

SetHandle(IntPtr, JniHandleOwnership) SetHandle(IntPtr, JniHandleOwnership)

Sets the Handle property.

(Inherited from Object)
SetPath(Path, Region) SetPath(Path, Region)

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

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

Returns a string containing a concise, human-readable description of this object.

(Inherited from Object)
Translate(Int32, Int32) Translate(Int32, Int32)

Translate the region by [dx, dy].

Translate(Int32, Int32, Region) Translate(Int32, Int32, Region)

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

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

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.

(Inherited from Object)
Wait(Int64) Wait(Int64)

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.

(Inherited from Object)
Wait(Int64, Int32) Wait(Int64, Int32)

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.

(Inherited from Object)
WriteToParcel(Parcel, ParcelableWriteFlags) WriteToParcel(Parcel, ParcelableWriteFlags)

Write the region and its pixels to the parcel.

Explicit Interface Implementations

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

Extension Methods

JavaCast<TResult>(IJavaObject) JavaCast<TResult>(IJavaObject)

Performs an Android runtime-checked type conversion.

JavaCast<TResult>(IJavaObject) JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable) GetJniTypeName(IJavaPeerable)

Applies to