October 1994
Intermediate to advanced
770 pages
22h 58m
English
Content preview from Volume 7A: XView Programming Manual
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mouse Keyboard
Display
cmdtool(CONSOLE)-/bin/csh
total 49
1 sbin/ 3 etc/ 1 preserve/
1 5include 1 hosts/ 1 pub/
1 5lib/ 2 include/ 1 sccs
1 Xlir3@ 1 kvm 1 share/
1 adm@ 4 lib/ 1 spool@
6 bin/ 1 local/ 1 sqps
1 boot/ 8 lost+found/ 1 stand/
1 demo/ 1 man@ 1 sys@
1 diag/ 1 mdc/ 1 tmp@
1 dict 1 old/ 2 ucb/
colorful-96%
Workspace
Utilities
Properties...
Exit...
colorful:/usr
colorful-19%
Network
Application
XView Toolkit
Xlib
Device
X11 Server Window Manager
Figure 1-4. The software architecture of X applications
Note that using a toolkit does not preclude calling Xlib directly to accomplish certain tasks
such as drawing. In XView, graphics rendering is done most efficiently by using Xlib draw-
ing routines, for instance.
1.3 Extensions to X
Another thing to know about X is that it is extensible. The code includes a defined mecha-
nism for incorporating extensions, so that vendors are not forced to modify the existing sys-
tem in incompatible ways when adding features. An extension requires an additional piece
of software on the server side and an additional library at the same level as Xlib on the client
side. After an initial query to see whether the server portion of the extension software is
installed, these extensions are used just like Xlib routines and perform at the same level.
Among the extensions currently being developed are support for 2D spline curves, for 3D
graphics, and for Display PostScript
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.