Class AlphaFunction
Definition
- Namespace:
- Tizen.NUI
- Assembly:
- Tizen.NUI.dll
- API Level:
- 3
Alpha functions are used in animations to specify the rate of change of the animation parameter over time.
Understanding an animation as a parametric function over time, the alpha function is applied to the parameter of
the animation before computing the final animation value.
C#Copypublic class AlphaFunction : Disposable, IDisposable
- Inheritance
- Implements
-
System.IDisposable
Constructors
AlphaFunction()
The default constructor.
Creates an alpha function object with the default built-in alpha function.
Declaration
C#Copypublic AlphaFunction()
API Level: 3
AlphaFunction(Delegate)
The constructor.
Creates an alpha function object with the user-defined alpha function.
Declaration
C#Copypublic AlphaFunction(Delegate func)
Parameters
| Type | Name | Description |
|---|---|---|
| System.Delegate | func | User defined function. It must be a method formatted as float alphafunction(float progress) |
API Level: 3
AlphaFunction(AlphaFunction.BuiltinFunctions)
The constructor.
Creates an alpha function object with the built-in alpha function passed as a parameter to the constructor.
Declaration
C#Copypublic AlphaFunction(AlphaFunction.BuiltinFunctions function)
Parameters
| Type | Name | Description |
|---|---|---|
| AlphaFunction.BuiltinFunctions | function | One of the built-in alpha functions. |
API Level: 3
AlphaFunction(Vector2, Vector2)
The constructor.
Creates a bezier alpha function. The bezier will have the first point at (0,0) and the end point at (1,1).
Declaration
C#Copypublic AlphaFunction(Vector2 controlPoint0, Vector2 controlPoint1)
Parameters
| Type | Name | Description |
|---|---|---|
| Vector2 | controlPoint0 | A Vector2 which will be used as the first control point of the curve. |
| Vector2 | controlPoint1 | A Vector2 which will be used as the second control point of the curve. |
Remarks
The x components of the control points will be clamped to the range [0, 1] to prevent non-monotonic curves.
API Level: 3
Methods
GetBezierControlPoints(out Vector2, out Vector2)
Retrieves the control points of the alpha function.
Declaration
C#Copypublic void GetBezierControlPoints(out Vector2 controlPoint0, out Vector2 controlPoint1)
Parameters
| Type | Name | Description |
|---|---|---|
| Vector2 | controlPoint0 | A Vector2 which will be used as the first control point of the curve. |
| Vector2 | controlPoint1 | A Vector2 which will be used as the second control point of the curve. |
API Level: 3
GetBuiltinFunction()
Returns the built-in function used by the alpha function.
In case no built-in function has been specified, it will return AlphaFunction::DEFAULT.
Declaration
C#Copypublic AlphaFunction.BuiltinFunctions GetBuiltinFunction()
Returns
| Type | Description |
|---|---|
| AlphaFunction.BuiltinFunctions | One of the built-in alpha functions. |
API Level: 3
Declaration
C#Copypublic AlphaFunction.Modes GetMode()
Returns
| Type | Description |
|---|---|
| AlphaFunction.Modes | The functioning mode of the alpha function. |