4mfltk24m(3) Library Functions Manual
4mfltk24m(3)
1mNAME0m
fltk - the fast light tool kit
1mSYNOPSIS0m
The Fast Light Tool Kit ("FLTK") is a cross-platform C++ GUI
toolkit
for UNIX(r)/Linux(r) (X11 and Wayland), Microsoft(r) Windows(r),
and
macOS(r). FLTK provides modern GUI functionality without bloat
and
supports 3D graphics via OpenGL(r) and its built-in GLUT emulation.
It
was originally developed by Mr. Bill Spitzak and is currently
main
tained by a small group of developers across the world with a
central
repository on GitHub.
FLTK is provided under the terms of the GNU Library General Public
Li
cense, with the following exceptions:
1. Modifications to the FLTK configure script, config
header
file, and makefiles by themselves to support a specific
platform
do not constitute a modified or derivative work.
The authors do request that such modifications be contributed
to
the FLTK project - send all contributions through the
"Software
Trouble Report" on the following page:
https://www.fltk.org/bugs.php
2. Widgets that are subclassed from FLTK widgets do not
consti
tute a derivative work.
3. Static linking of applications and widgets to the FLTK
li
brary does not constitute a derivative work and does not
require
the author to provide source code for the application or
widget,
use the shared FLTK libraries, or link their applications
or
widgets against a user-supplied version of FLTK.
If you link the application or widget to a modified version
of
FLTK, then the changes to FLTK must be provided under the
terms
of the LGPL in sections 1, 2, and 4.
4. You do not have to provide a copy of the FLTK license
with
programs that are linked to the FLTK library, nor do you have
to
identify the FLTK license in your program or documentation
as
required by section 6 of the LGPL.
However, programs must still identify their use of FLTK.
The
following example statement can be included in user
documenta
tion to satisfy this requirement:
[program/widget] is based in part on the work of the
FLTK
project (https://www.fltk.org).
1mSEE ALSO0m
fltk-config(1), fluid(1)
FLTK Programming Manual
FLTK Web Site, https://www.fltk.org/
1mAUTHORS0m
Bill Spitzak and others.
6 January 2002 Fast Light Tool Kit
4mfltk24m(3)
