8230728: Thin stroked shapes are not rendered if affine transform has flip bit
Summary: use abs(at.getDeterminant()) in userSpaceLineWidth() to ensure positive value
Reviewed-by: prr, jdv
Welcome to the JDK!
===================
For information about building the JDK, including how to retrieve all
of the source code, please see either of these files:
* doc/building.html (html version)
* doc/building.md (markdown version)
See http://openjdk.java.net/ for more information about the OpenJDK
Community and the JDK.