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RoundRectShape

public class RoundRectShape
extends RectShape

java.lang.Object
   ↳ android.graphics.drawable.shapes.Shape
     ↳ android.graphics.drawable.shapes.RectShape
       ↳ android.graphics.drawable.shapes.RoundRectShape


Creates a rounded-corner rectangle. Optionally, an inset (rounded) rectangle can be included (to make a sort of "O" shape). The rounded rectangle can be drawn to a Canvas with its own draw() method, but more graphical control is available if you instead pass the RoundRectShape to a ShapeDrawable.

Summary

Public constructors

RoundRectShape(float[] outerRadii, RectF inset, float[] innerRadii)

RoundRectShape constructor.

Public methods

RoundRectShape clone()

Creates and returns a copy of this object.

void draw(Canvas canvas, Paint paint)

Draw this shape into the provided Canvas, with the provided Paint.

void getOutline(Outline outline)

Compute the Outline of the shape and return it in the supplied Outline parameter.

Protected methods

void onResize(float w, float h)

Callback method called when resize(float, float) is executed.

Inherited methods

From class android.graphics.drawable.shapes.RectShape
From class android.graphics.drawable.shapes.Shape
From class java.lang.Object

Public constructors

RoundRectShape

Added in API level 1
RoundRectShape (float[] outerRadii, 
                RectF inset, 
                float[] innerRadii)

RoundRectShape constructor. Specifies an outer (round)rect and an optional inner (round)rect.

Parameters
outerRadii float: An array of 8 radius values, for the outer roundrect. The first two floats are for the top-left corner (remaining pairs correspond clockwise). For no rounded corners on the outer rectangle, pass null.
inset RectF: A RectF that specifies the distance from the inner rect to each side of the outer rect. For no inner, pass null.
innerRadii float: An array of 8 radius values, for the inner roundrect. The first two floats are for the top-left corner (remaining pairs correspond clockwise). For no rounded corners on the inner rectangle, pass null. If inset parameter is null, this parameter is ignored.

Public methods

clone

Added in API level 1
RoundRectShape clone ()

Creates and returns a copy of this object. The precise meaning of "copy" may depend on the class of the object. The general intent is that, for any object x, the expression:

 x.clone() != x
will be true, and that the expression:
 x.clone().getClass() == x.getClass()
will be true, but these are not absolute requirements. While it is typically the case that:
 x.clone().equals(x)
will be true, this is not an absolute requirement.

By convention, the returned object should be obtained by calling super.clone. If a class and all of its superclasses (except Object) obey this convention, it will be the case that x.clone().getClass() == x.getClass().

By convention, the object returned by this method should be independent of this object (which is being cloned). To achieve this independence, it may be necessary to modify one or more fields of the object returned by super.clone before returning it. Typically, this means copying any mutable objects that comprise the internal "deep structure" of the object being cloned and replacing the references to these objects with references to the copies. If a class contains only primitive fields or references to immutable objects, then it is usually the case that no fields in the object returned by super.clone need to be modified.

The method clone for class Object performs a specific cloning operation. First, if the class of this object does not implement the interface Cloneable, then a CloneNotSupportedException is thrown. Note that all arrays are considered to implement the interface Cloneable and that the return type of the clone method of an array type T[] is T[] where T is any reference or primitive type. Otherwise, this method creates a new instance of the class of this object and initializes all its fields with exactly the contents of the corresponding fields of this object, as if by assignment; the contents of the fields are not themselves cloned. Thus, this method performs a "shallow copy" of this object, not a "deep copy" operation.

The class Object does not itself implement the interface Cloneable, so calling the clone method on an object whose class is Object will result in throwing an exception at run time.

Returns
RoundRectShape a clone of this instance.
Throws
CloneNotSupportedException

draw

Added in API level 1
void draw (Canvas canvas, 
                Paint paint)

Draw this shape into the provided Canvas, with the provided Paint. Before calling this, you must call resize(float, float).

Parameters
canvas Canvas: the Canvas within which this shape should be drawn
paint Paint: the Paint object that defines this shape's characteristics

getOutline

Added in API level 21
void getOutline (Outline outline)

Compute the Outline of the shape and return it in the supplied Outline parameter. The default implementation does nothing and outline is not changed.

Parameters
outline Outline: The Outline to be populated with the result. Should not be null.

Protected methods

onResize

Added in API level 1
void onResize (float w, 
                float h)

Callback method called when resize(float, float) is executed.

Parameters
w float: the new width of the Shape
h float: the new height of the Shape
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