Medium Post 2. Utils

Utils.kt

@Singleton
class Utils @Inject constructor(private val context: Context) {

    fun getBitmap(drawableId: Int): Bitmap {
        val drawable = ContextCompat.getDrawable(context, drawableId)
        return when (drawable) {
            is BitmapDrawable -> BitmapFactory.decodeResource(context.resources, drawableId)
            is VectorDrawable -> getBitmap(drawable)
            else -> throw IllegalArgumentException("unsupported drawable type")
        }
    }

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    private fun getBitmap(vectorDrawable: VectorDrawable): Bitmap {
        val bitmap = Bitmap.createBitmap(vectorDrawable.intrinsicWidth,
                vectorDrawable.intrinsicHeight, Bitmap.Config.ARGB_8888)
        val canvas = Canvas(bitmap)
        vectorDrawable.setBounds(0, 0, canvas.width, canvas.height)
        vectorDrawable.draw(canvas)
        return bitmap
    }

}