d-widget-toolkit/org.eclipse.swt.gtk.linux.x86 — pull request #8 by kntroh (2012-08-06 12:10:46+00:00)
Title: A floating point number initialize with 0.

At Java, A float or a double variable is initialized by 0.
At D, it is initialized by NaN.

I saw GC#drawLine() after setAlpha() doesn't work by this difference.
(Pen width should be 0, but it be to NaN.)