sven@xxxxxxxx (2002-10-21 at 1927.30 +0200): > the answer is 1 for grayscale/indexed, 3 for RGB. Add another byte > if your image has an alpha channel and another 4 bytes for the > projection. The latter used to allocated copy-on-write at some > point. Unfortunately this feature has been disabled (at least to my > knowledge); thus the memory for the display projection is always > allocated. Add another for the selection, which is always there, even if there is no selection "visible" (selection all and selection one still use the byte). Or so said mitch. GSR