1.174.3 Get methods

transform <-copy: -> transform

Independent copy of this transform.

transform <-inverse: -> transform

New transform that is the inverse of the receiver. Fails when the receiver is singular.

transform <-determinant: -> num

Determinant of the 2x2 linear part. Zero (or very near zero) means the transform is singular and cannot be inverted.

transform <-apply: point|area -> point|area

Map a point through the transform, or compute the axis-aligned bounding box of an area mapped through it. Results that are within float-roundoff of an integer are snapped to that integer so that exact 90/180/270 degree rotations of integer-aligned inputs yield integer-aligned outputs.