hg: openjfx/9-dev/rt: 8173852: FXCanvas needs to invert rotation angle when forwarding a gesture event

[kevin.rushforth at oracle.com]

Changeset: 17fa5ea51ecb
Author:    anyssen
Date:      2017-02-03 16:02 -0800
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/17fa5ea51ecb

8173852: FXCanvas needs to invert rotation angle when forwarding a gesture event
Summary: Ensured FXCanvas inverts the rotation angle when forwarding SWT GestureEvents to the embedded scene.
Reviewed-by: azvegint, kcr

! modules/javafx.swt/src/main/java/javafx/embed/swt/FXCanvas.java
! tests/manual/swt/FXCanvasGestureEventsTest.java