With enabled -Woverloaded-virtual gcc warning (see
http://lists.freedesktop.org/archives/libreoffice/2011-March/009567.html),
canvas exposed a nasty clash between WeakComponentImplHelper::disposing
and XEventListener::disposing. Fixed by overriding *once* in baseclass,
and then calling disambiguated, renamed methods.
2008/04/21 07:30:11 thb 1.2.2.3: RESYNC: (1.2-1.3); FILE MERGED
2008/01/22 00:25:23 thb 1.2.2.2: #i81092# Making gdiplus and dx canvas more independent
2007/12/20 22:18:57 thb 1.2.2.1: #i81092# #i78888# #i78925# #i79258# #i79437# #i84784# Large canvas rework, completing various areas such as color spaces, bitmap data access, true sprite and non-sprite implementations, and upstreaming the canvas parts of rodos emf+ rendering