The type of transform that a PdfTransform is
Atalasoft.PdfDoc (in Atalasoft.PdfDoc.dll) Version: 18.104.22.168.0.297 (.NET 4.5.2, x86)
public enum PdfTransformType
Public Enumeration PdfTransformType
Identity is a matrix which will provide the same output as the input.
Translate is a matrix which will offset the position of the input points.
Scale is a matrix which will stretch or shrink the position of input points
NonUniformScale is a matrix which will stretch or shrink the position of input points, but will do so for different factors on the x and y coordinates.
Rotate is a matrix which will rotate input points around the origin
Skew is a matrix which will offset points in a direction (usually in just the X or Y direction).
Other is a matrix which is a combination of other PdfTransformType matrices.