GradientPolar

ValueShader
public sealed class GradientPolar : ValueShader
Implements a shader for angular gradient fills.

Constructors

GradientPolar

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public GradientPolar(float x, float y, Angle angle)
Create a new polar gradient.
Parameters:
x (float)Centre x.
y (float)Centre y.
angle (Angle)Angle for the zero-degree axis.

GradientPolar

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public GradientPolar(PointF centre, Angle angle)
Create a new polar gradient.
Parameters:
centre (PointF)Centre of shader.
angle (Angle)Angle for zero-degree axis.

Methods

Dilate

public ValueShader Dilate(double sx, double sy)
Apply a dilation (or scaling) transformation to this shader.
inherited fromValueShader
Parameters:
sx (double)Horizontal dilation.
sy (double)Vertical dilation.
Returns: Dilated shader.

Flip

protected double Flip(double value, double limit)
Repeat and flip a value within a [0, limit] domain.
inherited fromValueShader
Parameters:
value (double)
limit (double)

Flip

protected float Flip(float value, float limit)
Repeat and flip a value within a [0, limit] domain.
inherited fromValueShader
Parameters:
value (float)
limit (float)

Rotate

public ValueShader Rotate(Angle angle)
Apply a rotation transformation to this shader.
inherited fromValueShader
Parameters:
angle (Angle)Rotation angle (counter-clockwise).
Returns: Rotated shader.

Transform

public ValueShader Transform(Transform2D transform)
Apply a custom transformation to this shader.
inherited fromValueShader
Parameters:
transform (Transform2D)Transformation.
Returns: Transformed shader.

Translate

public ValueShader Translate(double dx, double dy)
Apply a translation transformation to this shader.
inherited fromValueShader
Parameters:
dx (double)Horizontal translation.
dy (double)Vertical translation.
Returns: Translated shader.

ValueAt

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public override float ValueAt(Ray ray, IObjectStack stack)
Evaluate this shader at a specific ray location.
Parameters:
ray (Ray)Coincident ray.
stack (IObjectStack)Object stack context.
Overrides: ValueShader.ValueAt