Yes, it appears that 320 is a limit.  But that seems to be only for compressed
bitmaps.  I haven't been following this thread, so I didn't see if that was what
you were using.  But compressing bitmaps works with a fixed-size 40 byte buffer,
so that's where the limit comes from.

-- Keith Rollin
-- Palm OS Emulator engineer






Chad Harrison <[EMAIL PROTECTED]> on 02/19/2001 12:45:58 PM

Please respond to "Palm Developer Forum" <[EMAIL PROTECTED]>

Sent by:  Chad Harrison <[EMAIL PROTECTED]>


To:   "Palm Developer Forum" <[EMAIL PROTECTED]>
cc:    (Keith Rollin/US/PALM)
Subject:  Re: ScrDriverNew.c Line:499, Invalid Params





OK, after many attempts at figuring out what is going on... it seems
that on 3.0 and 3.1 I get the ScrDriverNew.c Line:499, Invalid Params
error when trying to draw to an offscreen windows when the bitmap is
larger than 320 wide. I can use just about any height, so far. I
tried 320 X 320, and that worked fine. I tried 320 X 500 and that
worked fine. But if I try 321 X 320, I get the error.

so, is this a limitation of drawing the bitmap, or the
offscreenwindow? what if I use two images, and draw them next to
eachother to get the final desired width??

thanks for all of the suggestions people have given so far...




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