[Gtk-sharp-list] [gtk-sharp] Matrix.Scale and Context.Scale anomaly?
hywel.w.thomas at gmail.com
Thu Apr 11 12:14:25 UTC 2013
Using a Cairo.Matrix.Scale (sx, sy) with a zero value for either sx or
sy gives the correct result (the Xx or the Yy component of the matrix is
zero'd), but using Context.Scale with either zero value for sx or sy
gives the wrong result for the Context Transformation Matrix. There
seems to be no valid reason why these should differ (mathematically they
are valid, though perhaps unlikely, operations). I'm not sure how the
two functions call back into the Cairo 'C' code - can anyone help or
shed any light on this apparent anomaly?
More information about the Gtk-sharp-list