Hi! > > Does anyone know if there's any disadvantage to > compressing bitmaps via Pilrc with COMPRESS keyword? > > I've noticed it can save a few K, but I'm wondering if > there's a performance penalty.
There is a performance penalty when you are drawing the bitmap. If you need to paint the bitmap repeatedly, like in a game, you can circumvent the performance penalty by drawing the compressed bitmap to an offscreen buffer, and then blitting that buffer to the window with WinCopyRectangle. Please note that the offscreen buffer will usually be created with WinCreateOffscreenWindow in dynamic heap, which is a very scarce resource :-( Cheers, Tilo -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
