Java RGB Color Convert To rgbToBlackWhite(int pix, int threshold)

Description

rgb To Black White

License

Apache License

Declaration

public final static boolean rgbToBlackWhite(int pix, int threshold) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public final static boolean rgbToBlackWhite(int pix, int threshold) {
        final int r = (pix >> 16) & 0xff;
        final int g = (pix >> 8) & 0xff;
        final int b = (pix >> 0) & 0xff;
        final int intensity = ((r * 306) + (g * 601) + (b * 117)) >> 10;
        return (intensity > threshold); // true == white == fg
    }//from  w ww.  j a v  a2s .  co m
}

Related

1. rgbaToHex(String color)
2. RGBAtoI(byte r, byte g, byte b, byte a)
3. rgbBitfieldToString(int rgb)
4. rgbToBgr(final byte[] pixels)
5. RGBtoBGR(String color)
6. rgbToColor(int r, int g, int b)
7. rgbToDecimal(int r, int g, int b)
8. rgbToGray(int colorIn)
9. rgbToGray(int pixels)