图像处理

android

ColorMatrix cm = new ColorMatrix();

色调
cm.setRotate(0,hue);//R
cm.setRotate(1,hue);//G
cm.setRotate(2,hue);//B

饱和度
cm.setSaturation(saturation);

亮度
cm.setScale(lum,lum,lum,1);

example

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.graphics.Paint;
/**
 * Created by Administrator on 2016/1/5 0005.
 */
public class ImageUtils {
    public static Bitmap handleImageEffect(Bitmap bitmap,int hue,int saturation,int lum){
        Bitmap bitmap1 = Bitmap.createBitmap(bitmap.getWidth(),bitmap.getHeight(),Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap1);
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);//抗锯齿
        ColorMatrix colorMatrix = new ColorMatrix();
        colorMatrix.setRotate(0,hue);//色调
        colorMatrix.setRotate(1,hue);
        colorMatrix.setRotate(2,hue);
        ColorMatrix colorMatrix1 = new ColorMatrix();
        colorMatrix1.setSaturation(saturation);//饱和度
        ColorMatrix colorMatrix2 = new ColorMatrix();
        colorMatrix2.setScale(lum,lum,lum,1);//亮度
        ColorMatrix imageMatrix = new ColorMatrix();
        imageMatrix.postConcat(colorMatrix);//融合
        imageMatrix.postConcat(colorMatrix1);
        imageMatrix.postConcat(colorMatrix2);
        paint.setColorFilter(new ColorMatrixColorFilter(imageMatrix));//给笔加上特效
        canvas.drawBitmap(bitmap,0,0,paint);//蒙色
        return bitmap1 ;
    }
}