ej.microvg.paint

Class LinearGradient

java.lang.Object

ej.microvg.paint.LinearGradient

All Implemented Interfaces:

VGPaint

public class LinearGradient
extends java.lang.Object
implements VGPaint

Represents a path painter with a linear gradient on a vector.

Field Summary

Fields inherited from interface ej.microvg.paint.VGPaint

ALPHA_FULLY_OPAQUE, ALPHA_FULLY_TRANSPARENT, ALPHA_SHIFT

Constructor Summary

Constructors

Constructor and Description
LinearGradient(java.awt.Color[] colors, float[] fractions, java.awt.geom.AffineTransform matrix) Creates a painter over the given linear gradient.
LinearGradient(java.awt.Color[] colors, float[] fractions, float[] matrix) Creates a painter over the given linear gradient.
LinearGradient(java.awt.Color[] colors, float[] fractions, float[] matrix, float xStart, float yStart, float xEnd, float yEnd) Creates a painter over the given linear gradient.
LinearGradient(java.awt.Color[] colors, float[] fractions, float xStart, float yStart, float xEnd, float yEnd) Creates a painter over the given linear gradient.

Method Summary

Modifier and Type	Method and Description
LinearGradient	apply(PaintVisitor transformer) Creates a new painter applying the given visitor.
java.awt.Paint	getPaint() Creates an AWT Paint object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ej.microvg.paint.VGPaint

applyOpacity, applyOpacity

Constructor Detail

LinearGradient

public LinearGradient(java.awt.Color[] colors,
                      float[] fractions,
                      float[] matrix)

Creates a painter over the given linear gradient.

Parameters:

colors - array of colors

fractions - array of fractions

matrix - gradient vector transformation

Throws:

java.lang.IllegalArgumentException - whether the number of colors is different than the number of fractions.

LinearGradient

public LinearGradient(java.awt.Color[] colors,
                      float[] fractions,
                      float xStart,
                      float yStart,
                      float xEnd,
                      float yEnd)

Creates a painter over the given linear gradient.

Parameters:

colors - array of colors

fractions - array of fractions

xStart - the x-coordinate for the start of the gradient vector

yStart - the y-coordinate for the start of the gradient vector

xEnd - the x-coordinate for the end of the gradient vector

yEnd - the y-coordinate for the end of the gradient vector

Throws:

java.lang.IllegalArgumentException - whether the number of colors is different than the number of fractions.

LinearGradient

public LinearGradient(java.awt.Color[] colors,
                      float[] fractions,
                      float[] matrix,
                      float xStart,
                      float yStart,
                      float xEnd,
                      float yEnd)

Creates a painter over the given linear gradient.

Parameters:

colors - array of colors

fractions - array of fractions

matrix - gradient vector transformation

xStart - the x-coordinate for the start of the gradient vector

yStart - the y-coordinate for the start of the gradient vector

xEnd - the x-coordinate for the end of the gradient vector

yEnd - the y-coordinate for the end of the gradient vector

Throws:

java.lang.IllegalArgumentException - whether the number of colors is different than the number of fractions.

LinearGradient

public LinearGradient(java.awt.Color[] colors,
                      float[] fractions,
                      java.awt.geom.AffineTransform matrix)

Creates a painter over the given linear gradient.

Parameters:

colors - array of colors

fractions - array of fractions

matrix - gradient vector transformation

Throws:

java.lang.IllegalArgumentException - whether the number of colors is different than the number of fractions.

Method Detail

apply

public LinearGradient apply(PaintVisitor transformer)

Description copied from interface: VGPaint

Creates a new painter applying the given visitor. The original painter is not modified.

Specified by:

apply in interface VGPaint

Parameters:

transformer - the visitor to apply

Returns:

a new instance of VGPaint

getPaint

public java.awt.Paint getPaint()

Description copied from interface: VGPaint

Creates an AWT Paint object.

Specified by:

getPaint in interface VGPaint

Returns:

a AWT Paint