Canvas Constructors

Definition

Namespace:

Android.Graphics

Assembly:

Mono.Android.dll

Overloads

Canvas()	Construct an empty raster canvas.
Canvas(Bitmap)	Construct a canvas with the specified bitmap to draw into.
Canvas(IGL)	Obsolete.
Canvas(IntPtr, JniHandleOwnership)	A constructor used when creating managed representations of JNI objects; called by the runtime.

Canvas()

Construct an empty raster canvas.

[Android.Runtime.Register(".ctor", "()V", "")]
public Canvas ();

Attributes

RegisterAttribute

Remarks

Construct an empty raster canvas. Use setBitmap() to specify a bitmap to draw into. The initial target density is Bitmap#DENSITY_NONE; this will typically be replaced when a target bitmap is set for the canvas.

Java documentation for android.graphics.Canvas.Canvas().

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.

Canvas(Bitmap)

Construct a canvas with the specified bitmap to draw into.

[Android.Runtime.Register(".ctor", "(Landroid/graphics/Bitmap;)V", "")]
public Canvas (Android.Graphics.Bitmap bitmap);

[<Android.Runtime.Register(".ctor", "(Landroid/graphics/Bitmap;)V", "")>]
new Android.Graphics.Canvas : Android.Graphics.Bitmap -> Android.Graphics.Canvas

Parameters

bitmap

Bitmap

Specifies a mutable bitmap for the canvas to draw into.

Attributes

RegisterAttribute

Remarks

Construct a canvas with the specified bitmap to draw into. The bitmap must be mutable.

The initial target density of the canvas is the same as the given bitmap's density.

Java documentation for android.graphics.Canvas.Canvas(android.graphics.Bitmap).

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.

Canvas(IGL)

Caution

This method does not exist in API-11+.

[System.Obsolete("This method does not exist in API-11+.", true)]
public Canvas (Javax.Microedition.Khronos.Opengles.IGL gl);

[<System.Obsolete("This method does not exist in API-11+.", true)>]
new Android.Graphics.Canvas : Javax.Microedition.Khronos.Opengles.IGL -> Android.Graphics.Canvas

Parameters

gl

IGL

Attributes

ObsoleteAttribute

Remarks

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.

Canvas(IntPtr, JniHandleOwnership)

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

protected Canvas (IntPtr javaReference, Android.Runtime.JniHandleOwnership transfer);

new Android.Graphics.Canvas : nativeint * Android.Runtime.JniHandleOwnership -> Android.Graphics.Canvas

Parameters

javaReference

IntPtr

nativeint

A IntPtrcontaining a Java Native Interface (JNI) object reference.

transfer

JniHandleOwnership

A JniHandleOwnershipindicating how to handle javaReference

Remarks

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.