//byte数组到图片到硬盘上 public void byte2image(byte[] data,String path){if(data.length<3||path.equals("")) return//判断输入的byte是否为空try{FileImageOutputStream imageOutput = new FileImageOutputStream(new File(path))//打开输入流imageOutput.write(data, 0, data.length)//将byte写入硬盘imageOutput.close() System.out.println("Make Picture success,Please find image in " + path) } catch(Exception ex) { System.out.println("Exception: " + ex) ex.printStackTrace() } }
//我在程序中打印出了每一个坐标的RGB值,你自己整理整理,求个平均值,//放到你的那个二维数组里。
//自己用画图工具做一个小图片,注意图片的名字和程序中一致哦~
import java.awt.image.BufferedImage
import javax.imageio.ImageIO
import java.io.*
public class Test{
public static void main(String args[]) {
int[] rgb = new int[3]
File file = new File("a.bmp")
BufferedImage bi=null
try{
bi = ImageIO.read(file)
}catch(Exception e){
e.printStackTrace()
}
int width=bi.getWidth()
int height=bi.getHeight()
int minx=bi.getMinX()
int miny=bi.getMinY()
System.out.println("width="+width+",height="+height+".")
System.out.println("minx="+minx+",miniy="+miny+".")
for(int i=minxi<widthi++){
for(int j=minyj<heightj++){
//System.out.print(bi.getRGB(jw, ih))
int pixel=bi.getRGB(i, j)
rgb[0] = (pixel &0xff0000 ) >>16
rgb[1] = (pixel &0xff00 ) >>8
rgb[2] = (pixel &0xff )
System.out.println("i="+i+",j="+j+":("+rgb[0]+","+rgb[1]+","+rgb[2]+")")
}
}
}
}