Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.graphics.Paint;

public class Main {

    public static Bitmap toGreyBitmap(Bitmap bitmap) {
        Bitmap grey = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
        Canvas c = new Canvas(grey);
        Paint p = new Paint();
        ColorMatrix cm = new ColorMatrix();
        cm.setSaturation(0);
        p.setColorFilter(new ColorMatrixColorFilter(cm));
        c.drawBitmap(bitmap, 0, 0, p);
        return grey;
    }
}