FLTK::Dial - Rotating value control
The FLTK::Dial widget provides a circular dial to control a single floating point value.
Use type() to change how it draws:
NORMALDraws a normal dial with a knob.
LINEDraws a dial with a line.
FILLDraws a dial with a filled arc.
You can change the
box() from the default of
OVAL_BOX to draw different borders.
box() is filled with
the moving part is filled with
and the border around the moving part is set by
$dial->angles( $a, $b );
Sets the angles used for the minimum and maximum values.
The default values are
0 degrees is straight down and the angles progress clockwise).
ANGLE1 is less than
but if you reverse them the dial moves counter-clockwise.
my $dial = $dial->new( $x, $y, $w, $h, $label );
Creates a new
Sanko Robinson <firstname.lastname@example.org> - http://sankorobinson.com/
Copyright (C) 2008-2010 by Sanko Robinson <email@example.com>
This program is free software; you can redistribute it and/or modify it under the terms of The Artistic License 2.0. See the LICENSE file included with this distribution or notes on the Artistic License 2.0 for clarification.
When separated from the distribution, all original POD documentation is covered by the Creative Commons Attribution-Share Alike 3.0 License. See the clarification of the CCA-SA3.0.