Path: utzoo!attcan!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!bloom-beacon!ZIA.AOC.NRAO.EDU!cflatter
From: cflatter@ZIA.AOC.NRAO.EDU (Chris Flatters)
Newsgroups: comp.windows.x
Subject: Re:  X{Put,Get}Scanline (was Re: XImages)
Message-ID: <9012210347.AA21811@zia.aoc.nrao.edu>
Date: 21 Dec 90 03:47:57 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 13


[ ... various stuff relating to XImages ...]

Larry Granroth:
> I haven't been following this, but what's wrong with XGetImage and
> XPutImage? I've been generating spectrograms, etc, very successfully
> using 1-pixel-wide images to move a scanline of data at a time to
> the drawable.

We are talking about getting the data into the *image* in a generic way
without the overhead of calling XGetPixel/XPutPixel for every pixel.

			Chris Flatters