One workaround is to place your bitmaps on a top layer, and give them ~40% transparency (or whatever level you find works for you), and then lock that layer. Then do all your vector work on layers...
Type: Posts; User: David O'Neil; Keyword(s):
Re: XaraXtreme 4 - lack of vector anti-aliasing levels - HELP!
One workaround is to place your bitmaps on a top layer, and give them ~40% transparency (or whatever level you find works for you), and then lock that layer. Then do all your vector work on layers...