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This file is part of Xcolorsel, a multipurpose viewer for X11 rgb.txt files.
Copyright (C) 1993, 1994 Michael Weller
Please note that this software was developed in ANSI-C (using GNU-cc) under
X11R5. It won't compile under "standard" K&R C and I don't know if it will
compile under X11R4 or earlier (if your computer vendor can't provide X11R5
and an ANSI-C compiler kick his ass and order real workstations next time ;-))
Further patches were done under X11R6. Thus it should work under X11R5 and
X11R6 with out problems.
Also note that it is distributed under the GNU-Copyright. See 00-Readme and
01-COPYING for details.
The color compare code assumes that long integers are of 32 bit size. If this
doesn't hold on your machine color searching will probably not work correctly.
The native environment for this tool is linux together with Xfree86-3.1.
However it should easily run on any X11R5/R6 with ANSI-C. Installation is as
easy as it could be:
1 - Make a makefile for your system out of the Imakefile. This is usually done
by calling "xmkmf" out of the xcolorsel directory.
Actually you should do a "make depend" to add all dependencies afterwards.
2 - A few options can be set/changed in config.h. So have a look at it. You
won't need to change anything herein usually.
3 - If you use the Xaw3d Widgets you may like to change Xcolorsel-color.ad as
suggested by the comments in it. The changes are only for better
appearance of xcolorsel. There is no real need to change this file.
4 - Compile everything with a simple "make". (If you are using linux with
Xfree86-3.1 (or higher) and libc4.5.26 (or higher) you can omit this step
as there is already a Xcolorsel binary supplied (compiled with gcc-2.5.8).
If you are doing something special and want only partial recompiles after
you changed something, or want ensure clean recompiles without make clean,
make depend after xmkmf but before the other makes will be handy.
Note: some distributions that are not primarily intended for linux users
do not include a precompiled binary.
5 - If you have superuser access a "make install" will put every file in the
appropriate directories. An additional "make install.man" will also
install the provided online manual page.
Warning! If you use a Sun, set a CC to gcc before trying to compile anything.
Either putting this into the Imakefile or a make CC=gcc should be sufficient.
Exceptions / Comments:
- If you don't have xmkmf, imake, etc. and can't use Imakefile, then
cp R?.generic.makefile to Makefile and give it a try. Note that there is no
make install at all in this generic makefile. Choose the generic makefile
suited for your X11 release.
- If make install fails, you don't trust me, or have to use the generic
makefile, put xcolorsel in any directory in your executable search path (I
prefer /usr/bin/X11), xcolorsel.man as xcolorsel.1 in /usr/man/man1 (or maybe
as xcolorsel.l in /usr/man/manl). Place Xcolorsel-color.ad and Xcolorsel.ad w/o
the ".ad" extension in your app-defaults directory (usually
/usr/lib/X11/app-defaults and (if you want to have the online help in a
window too) Xcolorsel.help in /usr/lib/X11)
- If Xcolorsel has problems finding its helpfile set the Xcolorsel.helpFile
resource in Xcolorsel.ad or #define HELPFILE in config.h
- The Xcolorsel-color app-default is choosen when the *Customization resource
is set to -color. It contains (UGLY!!) color definitions and then includes
the definitions from Xcolorsel.
Usually *Customization is set in /usr/lib/X11/xinit/.Xresources, s.t. that
all applications of all users know if this server supports color or not.
- The resource definitions from Xcolorsel-color.ad and Xcolorsel.ad are compiled
into the executable and are used when no app-default can be loaded. The
definitions from Xcolorsel-color.ad are used only when -color is given as a
parameter to xcolorsel. So there is no need to use/install the application
default files or use an own .Xdefaults at all (maybe helpful if you aren't
root!)
- The icon/cursor definitions in biglens & biglensMask, lens & lensMask, and
xcslicon are only needed at compile time, s.t. there is no need to install
them anywhere. Of course if you want to use/set them via the resource files
of Xcolorsel (or any other Xapplication) you will have to copy them into
/usr/include/X11/bitmaps. Also note the BUGS section in xcolorsel's man-page
or Xcolorsel.help.
- rgb.txt is a silly example rgb.txt file that can of course be displayed with
Xcolorsel.
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