Generic calculation to calculate initial translation of magnification rect
Generic calculation to calculate initial translation of magnification rect

git-svn-id: 765db44a9620ed55f4f8addfd3c14fe8cd57f6bb@8140 0fceea05-a30d-0410-8a8b-80ef821fb0a1

nanoant/Skim,nanoant/Skim,nanoant/Skim,nanoant/Skim,nanoant/Skim