org.osmdroid.views.overlay.advancedpolyline

Class ColorMappingVariation

java.lang.Object

org.osmdroid.views.overlay.advancedpolyline.ColorMappingForScalar

org.osmdroid.views.overlay.advancedpolyline.ColorMappingVariation

All Implemented Interfaces:

ColorMapping

Direct Known Subclasses:

ColorMappingVariationHue, ColorMappingVariationLuminance, ColorMappingVariationSaturation

public abstract class ColorMappingVariation
extends ColorMappingForScalar

Abstract base class for color variation mappings.

Constructor Summary

Constructors

Constructor and Description
ColorMappingVariation()

Method Summary

Modifier and Type	Method and Description
protected int	computeColor(float pScalar)
protected abstract float	getHue(float pScalar)
protected abstract float	getLuminance(float pScalar)
protected abstract float	getSaturation(float pScalar)
void	init(float scalarStart, float scalarEnd, float start, float end) Init function will be called from sub classes.
protected float	mapScalar(float scalar) Map a scalar with clipping on lower and upper bound.

Methods inherited from class org.osmdroid.views.overlay.advancedpolyline.ColorMappingForScalar

add, getColorForIndex, set

Methods inherited from class java.lang.Object

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

Constructor Detail

ColorMappingVariation

public ColorMappingVariation()

Method Detail

init

public void init(float scalarStart,
                 float scalarEnd,
                 float start,
                 float end)

Init function will be called from sub classes.

Parameters:

scalarStart - start of scalar

scalarEnd - end of scalar

start - start of one HSL value

end - end of one HSL value

computeColor

protected int computeColor(float pScalar)

Specified by:

computeColor in class ColorMappingForScalar

getHue

protected abstract float getHue(float pScalar)

getSaturation

protected abstract float getSaturation(float pScalar)

getLuminance

protected abstract float getLuminance(float pScalar)

mapScalar

protected float mapScalar(float scalar)

Map a scalar with clipping on lower and upper bound.