get Gray Picture - Java 2D Graphics

Java examples for 2D Graphics:Image Convert

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Description

get Gray Picture

Demo Code


//package com.java2s;

import java.awt.color.ColorSpace;

import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;

public class Main {
    public static BufferedImage getGrayPicture(BufferedImage originalImage) {
        int imageWidth = originalImage.getWidth();
        int imageHeight = originalImage.getHeight();

        BufferedImage grayPicture = new BufferedImage(imageWidth,
                imageHeight, BufferedImage.TYPE_3BYTE_BGR);
        ColorConvertOp cco = new ColorConvertOp(
                ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
        cco.filter(originalImage, grayPicture);
        return grayPicture;
    }//from   ww  w .j  a v a  2 s .c o  m
}

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