freehand: adjust tilt for rotation and mirror
authorAndrew Chadwick <andrewc-git@piffle.org>
Tue, 27 Nov 2012 19:05:22 +0000 (19:05 +0000)
committerAndrew Chadwick <andrewc-git@piffle.org>
Tue, 27 Nov 2012 19:05:22 +0000 (19:05 +0000)
commita657fbb6642d24a4d3795fe3bc5d1e303524ee5d
tree21f540ad3c6524b91925a67fe16dedd7e8aa38cd
parentd474e009d4b706f1efeb4fa06fd7864aceabce81
freehand: adjust tilt for rotation and mirror

Compensate for canvas rotation and mirroring before passing xtilt and
ytilt on to the brush engine. Brush strokes with tilt inputs should look
similar on screen even if the view is turned or flipped.

https://gna.org/bugs/?19988
gui/canvasevent.py