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From: cflatter@ZIA.AOC.NRAO.EDU (Chris Flatters)
Newsgroups: comp.windows.x
Subject: Re:  X{Put,Get}Scanline (was Re: XImages)
Message-ID: <9012200421.AA07137@zia.aoc.nrao.edu>
Date: 20 Dec 90 04:21:25 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 13


Rich Thomson writes (in reply to Martin Brunecky):

> You are correct in that everybody would probably chuck the pixel
> interface for a scanline interface, but why do you need to specify
> x for a scanline?  I can understand y and length...

It allows you to get or modify a section of the image that extends
less than the whole width.  The suggested routines are really reading
and writing subrows rather than scanlines (XGetSubrow() and XPutSubrow()?).

		
		Chris Flatters