Package colorblind.generators

Class DaltonizeGenerator

java.lang.Object

colorblind.generators.Generator

colorblind.generators.ColorTransformGenerator

colorblind.generators.DaltonizeGenerator

public class DaltonizeGenerator
extends ColorTransformGenerator

Optimized implementation of a Daltonize algorithm. This works by precomputing a set of lookup tables for every possible color. The lookup tables will use 64 MB of RAM. Without these optimizations it would not be possible to use this algorithm in real time.

Field Summary

Fields inherited from class colorblind.generators.ColorTransformGenerator

amount, amountComplement, applyGammaCorrectionLUT, colorMap, deficiency, dynamicAmount, MAX_ENCODED_VALUE, removeGammaCorrectionLUT

Constructor Summary

Constructors

Constructor	Description
DaltonizeGenerator(Deficiency colorBlindness)

Method Summary

Modifier and Type	Method	Description
protected int[]	computeColorMapLookup(float amount)	This should only be called once, and lazily, when the table is first used.
static DaltonizeGenerator	createDaltonizer(Deficiency colorBlindness)
protected int[]	precalcDichromaticColorMap(Matrix sim, Matrix shiftErrorTowardsVisible, float amount)
protected int[]	precalcMonochromaticColorMap(Vector sim, Matrix shiftErrorTowardsVisible, float amount)

Methods inherited from class colorblind.generators.ColorTransformGenerator

getColorMap, preComputeApplyGammaCorrectionLUT, preComputeRemoveGammaCorrectionLUT, setAmount, setDynamicAmount, transformColor, transformPImage, transformPixels

Methods inherited from class java.lang.Object

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

Constructor Details

DaltonizeGenerator

public DaltonizeGenerator(Deficiency colorBlindness)

Method Details

createDaltonizer

public static DaltonizeGenerator createDaltonizer(Deficiency colorBlindness)

computeColorMapLookup

protected int[] computeColorMapLookup(float amount)

Description copied from class: ColorTransformGenerator

This should only be called once, and lazily, when the table is first used.

Specified by:

computeColorMapLookup in class ColorTransformGenerator

Parameters:

amount - number in range [0, 1]

Returns:

precomputed lookup table.

precalcMonochromaticColorMap

protected int[] precalcMonochromaticColorMap(Vector sim,
 Matrix shiftErrorTowardsVisible,
 float amount)

precalcDichromaticColorMap

protected int[] precalcDichromaticColorMap(Matrix sim,
 Matrix shiftErrorTowardsVisible,
 float amount)