ImageMagick.DrawableAffine.Transform C# (CSharp) Méthode

    private void Transform(DrawableAffine affine)
    {
      double scaleX = ScaleX;
      double scaleY = ScaleY;
      double shearX = ShearX;
      double shearY = ShearY;
      double translateX = TranslateX;
      double translateY = TranslateY;

      ScaleX = (scaleX * affine.ScaleX) + (shearY * affine.ShearX);
      ScaleY = (shearX * affine.ShearY) + (scaleY * affine.ScaleY);
      ShearX = (shearX * affine.ScaleX) + (scaleY * affine.ShearX);
      ShearY = (scaleX * affine.ShearY) + (shearY * affine.ScaleY);
      TranslateX = (scaleX * affine.TranslateX) + (shearY * affine.TranslateY) + translateX;
      TranslateY = (shearX * affine.TranslateX) + (scaleY * affine.TranslateY) + translateY;
    }