[android] BitmapToDrawable

[android] BitmapToDrawable.txt

 //비트맵을 drawable로 변환하는 함수
    public Drawable getDrawableFromBitmap(Bitmap bitmap){
        Drawable drawable = new BitmapDrawable(bitmap);
        return drawable;
    }

    //Drawable 을 Bitmap으로 변환하는 함수
    public static Bitmap drawableToBitmap (Drawable drawable){
        if (drawable instanceof BitmapDrawable){
            return ((BitmapDrawable)drawable).getBitmap();
        }

        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;
    }