:right-sidebar: True

TransformCategory
===================================================================

.. currentmodule:: gi.repository.Gsk





.. class:: TransformCategory
   :no-contents-entry:






The categories of matrices relevant for GSK and GTK.

Note that any category includes matrices of all later categories.
So if you want to for example check if a matrix is a 2D matrix,
``category >= GSK_TRANSFORM_CATEGORY_2D`` is the way to do this.

Also keep in mind that rounding errors may cause matrices to not
conform to their categories. Otherwise, matrix operations done via
multiplication will not worsen categories. So for the matrix
multiplication ``C = A * B``\, ``category(C) = MIN (category(A), category(B))``\.












Fields
------

.. rst-class:: interim-class

.. class:: TransformCategory
   :no-index:
   

   .. attribute:: 2D

      The type of the None singleton.







   .. attribute:: 2D_AFFINE

      The type of the None singleton.







   .. attribute:: 2D_TRANSLATE

      The type of the None singleton.







   .. attribute:: 3D

      The type of the None singleton.







   .. attribute:: ANY

      The type of the None singleton.







   .. attribute:: IDENTITY

      The type of the None singleton.







   .. attribute:: UNKNOWN

      The type of the None singleton.