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.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;

public class Main {
    /**
     * Extract an underlying bitmap from a drawable
     *
     * @param sourceDrawable The source drawable
     * @return The underlying bitmap
     */
    public static Bitmap getBitmapFromDrawable(Drawable sourceDrawable) {
        if (sourceDrawable == null) {
            return null;
        }

        if (sourceDrawable instanceof BitmapDrawable) {
            return ((BitmapDrawable) sourceDrawable).getBitmap();
        } else {
            //copying drawable object to not manipulate on the same reference
            Drawable.ConstantState constantState = sourceDrawable.getConstantState();
            if (constantState == null) {
                return null;
            }
            Drawable drawable = constantState.newDrawable().mutate();

            Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
                    Bitmap.Config.ARGB_8888);
            Canvas canvas = new Canvas(bitmap);
            drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
            drawable.draw(canvas);
            return bitmap;
        }
    }
}