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de.desy.acop.video.analysis
Class LuminosityColorDecoder

java.lang.Object
  de.desy.acop.video.analysis.LuminosityColorDecoder

All Implemented Interfaces:

ColorDecoder

public class LuminosityColorDecoder
extends java.lang.Object
implements ColorDecoder

LuminosityColorDecoder transforms theTYPE_INT_ARGB integer color code into a normalized sum of red, green and blue components by calculating luminosity as Y = 0.299*R + 0.587*G + 0.114*B.

Author:

Tilen Kusterle, Cosylab

Constructor Summary

LuminosityColorDecoder()

Method Summary

double	transform(int code) Deprecated.
double[]	transform(int[] data) Transforms the complete array of TYPE_INT_ARGB integer colors codes into meaningful double value array.

Methods inherited from class java.lang.Object

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

Constructor Detail

LuminosityColorDecoder

public LuminosityColorDecoder()

Method Detail

transform

@Deprecated
public double transform(int code)

Deprecated.

Description copied from interface: ColorDecoder

Transforms the TYPE_INT_ARGB integer color code into a meaningful double value.

Specified by:

transform in interface ColorDecoder

Parameters:

code - the TYPE_INT_ARGB integer color code

Returns:

a meaningful double value

transform

public double[] transform(int[] data)

Description copied from interface: ColorDecoder

Transforms the complete array of TYPE_INT_ARGB integer colors codes into meaningful double value array. Use this method with large arrays in order to avoid calling ColorDecoder.transform(int) many times, which might be costly.

Specified by:

transform in interface ColorDecoder

Parameters:

data - the data to transform

Returns:

the transformed values