private void init(Context context, AttributeSet attrs, int defStyle) {
  if (attrs != null) {
    TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.CustomShapeImageView, defStyle, 0);

    mBorderWidth = typedArray.getDimensionPixelSize(R.styleable.CustomShapeImageView_civ_borderWidth, DEFAULT_BORDER_WIDTH);
    mBorderColor = typedArray.getColor(R.styleable.CustomShapeImageView_civ_borderColor, DEFAULT_BORDER_COLOR);
    mBorderRadius = typedArray.getDimensionPixelSize(R.styleable.CustomShapeImageView_civ_borderRadius, DEFAULT_BORDER_RADIUS);
    mShape = typedArray.getInt(R.styleable.CustomShapeImageView_civ_shape, DEFAULT_SHAPE);

    typedArray.recycle();
  }

  mHasBorder = mBorderWidth > 0 && mShape != SHAPE_STAR && mShape != SHAPE_HEART;

  mBitmapPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
  mBorderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
  mBorderPaint.setColor(mBorderColor);
}