2005/10/08 12:44:23 thb 1.4.10.2: RESYNC: (1.4-1.5); FILE MERGED
2005/06/17 23:49:45 thb 1.4.10.1: #i48939# Huge refactoring of canvas; as much functionality as possible is now common in a bunch of shared base classes (input checking, locking, sprite redraw, etc.); added scroll update optimization, transparently to all canvas implementations