mono/xwt — pull request #139 by lytico (2012-12-18 09:36:36+00:00)
Title: Matrix: a 2d affine transform, initial commit

a 3x3 affine transformation matrix used for transformations in 2-D space.
it was refactored from
https://github.com/mono/mono/blob/master/mcs/class/WindowsBase/System.Windows.Media/Matrix.cs
to work with Xwt