java:从sRGB字节流(byte[])创建BufferedImage

package test;

import java.awt.Transparency;
import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.image.ComponentColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.Raster;
import java.awt.image.WritableRaster;

public class RGBtoBufferedImage {
    /**
     * 根据指定的参数创建一个RGB格式的BufferedImage
     * @param matrixRGB RGB格式的图像矩阵
     * @param width 图像宽度
     * @param height 图像高度
     * @return
     * @see DataBufferByte#DataBufferByte(byte[], int)
     * @see ColorSpace#getInstance(int)
     * @see ComponentColorModel#ComponentColorModel(ColorSpace, boolean, boolean, int, int)
     * @see Raster#createInterleavedRaster(DataBuffer, int, int, int, int, int[], java.awt.Point)
     * @see BufferedImage#BufferedImage(java.awt.image.ColorModel, WritableRaster, boolean, java.util.Hashtable)
     */
    public static BufferedImage createRGBImage(byte[] matrixRGB,int width,int height){
        // 检测参数合法性
        if(null==matrixRGB||matrixRGB.length!=width*height*3)
            throw new IllegalArgumentException("invalid image description");
        // 将byte[]转为DataBufferByte用于后续创建BufferedImage对象
        DataBufferByte dataBuffer = new DataBufferByte(matrixRGB, matrixRGB.length);
        // sRGB色彩空间对象
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        int[] nBits = {8, 8, 8};
        int[] bOffs = {0, 1, 2};
        ComponentColorModel colorModel = new ComponentColorModel(cs, nBits, false, false,
                                             Transparency.OPAQUE,
                                             DataBuffer.TYPE_BYTE);        
        WritableRaster raster = Raster.createInterleavedRaster(dataBuffer, width, height, width*3, 3, bOffs, null);
        BufferedImage newImg = new BufferedImage(colorModel,raster,false,null);
       /* try {
            //写入文件测试查看结果
            ImageIO.write(newImg, "bmp", new File(System.getProperty("user.dir"),"test.bmp"));
        } catch (IOException e) {
            e.printStackTrace();
        }*/
        return  newImg;     
    }
}