Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!samsung!olivea!uunet!imp!fibronics!killy
From: killy@fibronics.UUCP (Kirill Tatarinoff)
Newsgroups: comp.windows.x
Subject: Re: Question about XImage s
Summary: Re: Question about XImage size
Message-ID: <320@ariadna.fibronics.UUCP>
Date: 21 May 91 06:06:26 GMT
References: <9105171919.AA02397@oak.com>
Organization: Fibronics International Inc., Haifa - Israel
Lines: 21

In article <9105171919.AA02397@oak.com>, bj@oak.UUCP (Bjoren Davis) writes:
> 
> How can I determine how much space I should allocate for XImage data before
> I call XCreateImage?  It seems that that is the kind of thing that would be
> well hidden in Xlib.

There is nothing hidden here. This size just depends on Image's format.
For XYBitmap You may want to allocate the space by smth like:
	calloc((width / 8) + (width % 8 ? 1 : 0), height)
and for ZPixmap:
	malloc(width * height * (image->bits_per_pixel / 8))
and so on ...

-- 
_____________________________________________________________________
Kirill Tatarinoff        | "Those evening bells! those evening bells!
killy@fibronics.UUCP     |  How many a tale their music tells... " 
Nms Team		 |			Thomas Moore
Fibronics International, |
Israel                   |
---------------------------------------------------------------------