From: Antonio Ospite <ao2@ao2.it>
Date: Wed, 27 Jun 2018 18:00:05 +0000 (+0200)
Subject: diagram: share the rotate-translate calculation in the generic diagram class
X-Git-Url: https://git.ao2.it/flexagon-toolkit.git/commitdiff_plain/23f35964b301e77eaa007aa75fe9f768f2761a5c?hp=23f35964b301e77eaa007aa75fe9f768f2761a5c

diagram: share the rotate-translate calculation in the generic diagram class

Move the calculation of the rotate-translate transformation matrix into
the generic diagram class, so that it can be shared.
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