/// <summary> /// Appends a matrix that performs a tapering projective transform. /// </summary> /// <param name="side">An enumeration that indicates the side of the rectangle that tapers.</param> /// <param name="corner">An enumeration that indicates on which corners to taper the rectangle.</param> /// <param name="fraction">The amount to taper.</param> /// <returns>The <see cref="ProjectiveTransformBuilder"/>.</returns> public ProjectiveTransformBuilder AppendTaper(TaperSide side, TaperCorner corner, float fraction) => this.Append(size => TransformUtils.CreateTaperMatrix(size, side, corner, fraction));