@Override
  public void draw(Canvas canvas) {
    mPaint.setColor(DrawableUtils.multiplyColorAlpha(mColor, mAlpha));
    mPaint.setStyle(Paint.Style.FILL);
    mPaint.setFilterBitmap(getPaintFilterBitmap());
    canvas.drawPath(mPath, mPaint);
    if (mBorderWidth != 0) {
      mPaint.setColor(DrawableUtils.multiplyColorAlpha(mBorderColor, mAlpha));
      mPaint.setStyle(Paint.Style.STROKE);
      mPaint.setStrokeWidth(mBorderWidth);
      canvas.drawPath(mBorderPath, mPaint);
    }
  }
Creates a new instance of RoundedColorDrawable.

@param radius of the corners in pixels
@param color of the drawable
drawee/src/main/java/com/facebook/drawee/drawable/RoundedColorDrawable.java