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.Canvas;

import android.graphics.PixelFormat;

import android.graphics.drawable.Drawable;

import java.io.ByteArrayOutputStream;

public class Main {
    /**
     * convert Drawable to byte array
     *
     * @param d
     * @return
     */
    public static byte[] drawableToByte(Drawable d) {
        return bitmapToByte(drawableToBitmap(d));
    }

    /**
     * convert Bitmap to byte array
     *
     * @param b
     * @return
     */
    public static byte[] bitmapToByte(Bitmap b) {
        if (b == null) {
            return null;
        }

        ByteArrayOutputStream o = new ByteArrayOutputStream();
        b.compress(Bitmap.CompressFormat.PNG, 100, o);
        return o.toByteArray();
    }

    public static Bitmap drawableToBitmap(Drawable drawable) {
        Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
                drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565);
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
        drawable.draw(canvas);
        return bitmap;
    }
}