Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Color;

public class Main {
    public static Bitmap createBitmapFromBytes(byte[] data, int width, int height) {

        int[] colors = new int[width * height];
        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                int index = (y * width + x) * 3;
                int r = (((byte) data[index + 0]) & 0x00FF) & getMask(8);
                int g = (((byte) data[index + 1]) & 0x00FF) & getMask(8);
                int b = (((byte) data[index + 2]) & 0x00FF) & getMask(8);
                colors[x + y * width] = Color.rgb(r, g, b);
            }
        }
        data = null;

        bitmap.setPixels(colors, 0, width, 0, 0, width, height);
        colors = null;

        return bitmap;
    }

    private static int getMask(int length) {
        return (1 << length) - 1;
    }
}