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-*-Text-*-
Ygl: Run 2d-GL programs with standard X11 routines.
(C) Fred Hucht 1993-96
EMail: fred@thp.Uni-Duisburg.DE
Ygl is written in ANSI C, so use gcc if you have problems during
compilation. To compile Ygl, follow the following steps:
If you have imake, enter:
$ xmkmf
$ make
else edit the file Makefile and type
$ make
On RS/6000, ignore the warnings from the linker.
If the compiler can't find the include file
<X11/extensions/multibuf.h> or the linker can't find functions like
"XmbufDisplayBuffers", undefine MultiBuffer in the Imakefile. You
won't be able to do doublebuffering then.
Note for AIX 4.1:
You need the LPP X11.adt.ext to compile Ygl with doublebuffering
enabled.
To make the examples, do a:
$ cd examples
$ xmkmf # if you have it
$ make
If you have GL, enter "make gl" to compile the GL versions of the
examples.
To make the FORTRAN examples, enter:
$ make smile_f77 smile_f2c
To install the library and the include files Ygl.h and Yfgl.h, type
(as root)
$ make install
If you want the GL-style include files, and Ygl.h and Yfgl.h were
installed in /usr/include/X11, enter (as root):
$ mkdir /usr/include/gl
$ cd /usr/include/gl
$ ln -s /usr/include/X11/Ygl.h gl.h
$ ln -s /usr/include/X11/Ygl.h device.h
$ ln -s /usr/include/X11/Yfgl.h fgl.h
$ ln -s /usr/include/X11/Yfgl.h fdevice.h
The program "lines.c" is included to test the library and to
compare the performance with standard GL.
The program "coltest.c" is an example for the use of a private
colormap.
The program "rgbtest.c" opens both a colormap mode and a RGBcolor
window (if your X-Server has a {True|Direct}Color visual...)
The program "smile.c" is very simple...
The program "smile_f77.f" does same like "smile.c" in FORTRAN.
Have fun... Fred
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