Class FractionBasedPainter

java.lang.Object

org.pushingpixels.radiance.theming.api.painter.FractionBasedPainter

All Implemented Interfaces:

RadianceTrait

Direct Known Subclasses:

FractionBasedDecorationPainter, FractionBasedOutlinePainter, FractionBasedSurfacePainter

public abstract class FractionBasedPainter
extends Object
implements RadianceTrait

Base painter with fraction-based stops and a color query associated with each stop. This class allows creating multi-stop gradients with exact control over which color is used at every gradient control point.

Field Summary

Fields

Modifier and Type	Field	Description
protected int[]	alphas	The alphas of this painter.
protected ContainerColorTokensSingleColorQuery[]	colorQueries	The color queries of this painter.
private String	displayName	The display name of this painter.
protected float[]	fractions	The fractions of this painter.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	FractionBasedPainter(String displayName, float[] fractions, int[] alphas, ContainerColorTokensSingleColorQuery[] colorQueries)	Creates a new fraction-based painter.
protected	FractionBasedPainter(String displayName, float[] fractions, ContainerColorTokensSingleColorQuery[] colorQueries)	Creates a new fraction-based painter.

Method Summary

Modifier and Type	Method	Description
int[]	getAlphas()
ContainerColorTokensSingleColorQuery[]	getColorQueries()	Returns the color queries of this painter.
String	getDisplayName()	Returns the display name of this trait.
float[]	getFractions()	Returns the fractions of this painter.
private static int[]	makeDefaultAlphas(int count)

Methods inherited from class Object

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

Field Details

displayName

private String displayName

The display name of this painter.

fractions

protected float[] fractions

The fractions of this painter. If the constructor has not thrown an IllegalArgumentException, the entries in this array are strictly increasing, starting from 0.0 and ending at 1.0.

alphas

protected int[] alphas

The alphas of this painter. Each entry in this array corresponds to the matching entry in fractions and colorQueries. Each entry is applied to the matching

colorQueries

protected ContainerColorTokensSingleColorQuery[] colorQueries

The color queries of this painter. Each entry in this array corresponds to the matching index in the fractions, specifying which color will be used at the relevant gradient control point. If the constructor has not thrown an IllegalArgumentException, the size of this array is identical to the size of fractions, and there are no null entries in this array. Note that the application code can still cause an exception at runtime by throwing it in the implementation of the ContainerColorTokensSingleColorQuery.query(ContainerColorTokens) method.

Constructor Details

FractionBasedPainter

protected FractionBasedPainter(String displayName,
 float[] fractions,
 ContainerColorTokensSingleColorQuery[] colorQueries)

Creates a new fraction-based painter.

Parameters:

displayName - The display name of this painter.

fractions - The fractions of this painter. Must be strictly increasing, starting from 0.0 and ending at 1.0.

colorQueries - The color queries of this painter. Must have the same size as the fractions array, and all entries must be non-null.

FractionBasedPainter

protected FractionBasedPainter(String displayName,
 float[] fractions,
 int[] alphas,
 ContainerColorTokensSingleColorQuery[] colorQueries)

Creates a new fraction-based painter.

Parameters:

displayName - The display name of this painter.

fractions - The fractions of this painter. Must be strictly increasing, starting from 0.0 and ending at 1.0.

alphas - Alpha channels of this painter. Must have the same size as fractions.

colorQueries - The color queries of this painter. Must have the same size as the fractions array, and all entries must be non-null.

Method Details

makeDefaultAlphas

private static int[] makeDefaultAlphas(int count)

getDisplayName

public String getDisplayName()

Description copied from interface: RadianceTrait

Returns the display name of this trait. This method is part of officially supported API.

Specified by:

getDisplayName in interface RadianceTrait

Returns:

The display name of this trait.

getFractions

public float[] getFractions()

Returns the fractions of this painter.

Returns:

Fractions of this painter.

getAlphas

public int[] getAlphas()

getColorQueries

public ContainerColorTokensSingleColorQuery[] getColorQueries()

Returns the color queries of this painter.

Returns:

Color queries of this painter.