/*
* ColorUtils.java Created Nov 17, 2010 by Andrew Butler, PSL
*/
//package prisms.util;
import java.awt.Color;
/** A set of tools for analyzing and manipulating colors */
public class ColorUtils
{
/**
* Performs a somewhat subjective analysis of a color to determine how dark it looks to a user
*
* @param color The color to analyze
* @return The darkness of the color
*/
public static float getDarkness(Color color)
{
float ret = color.getRed() + color.getGreen() + color.getBlue() / 10;
ret /= (255 + 255 + 255 / 10);
ret = 1 - ret;
final float lightDarkBorder = 0.7f;
if(ret > lightDarkBorder)
ret = 0.5f + (ret - lightDarkBorder) * 0.5f / (1 - lightDarkBorder);
else
ret = ret * 0.5f / lightDarkBorder;
return ret;
}
}