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flruler(1)			Erco's FLTK Tools		      flruler(1)

NAME
     flruler - a simple onscreen pixel measuring ruler for debugging GUIs

SYNOPSIS
     flruler [no options]

DESCRIPTION
     flruler displays a ruler on your desktop that you can drag around to mea-
     sure elements in GUIs.  Intended for GUI development/debugging to verify
     widget separations and sizes, though may also be used for general computer
     graphics, including measuring pixel distances of images, widgets in web ap-
     plications, etc.

     To move flruler, just click and drag it to where you want it.  Press ESC to
     exit. You can make copies of the ruler by Middle-Clicking or hitting C. You
     can rotate the ruler(s) using the Up/Down/Left/Right arrow keys.

OPTIONS
     There are currently no command line options.

KEYBOARD OPERATIONS
	 'c'		       Make a copy of the current ruler (in focus)
	 'esc'		       Closes current ruler (in focus)
	 'q'		       Quit all rulers
	 Up,Down,Left,Right    Re-orients ruler (arrow points to where zero will be)
	 +		       Increase size of ruler by 10%
	 -		       Decrease size of ruler by 10%

MOUSE OPERATIONS
	 Left-Drag	       Drags current ruler around for positioning
	 Left-Double-click     Reverses direction of current ruler's numbers
	 Left-Triple-click     Rotates current ruler 90 degrees
	 Middle-Click	       Makes copy of current ruler

AUTHOR
     flruler Version 1.05 Written by Greg Ercolano.

     The latest version of flruler can be downloaded from http://seriss.com/peo-
     ple/erco/fltk/flruler/ To build flruler from source, you need FLTK, the
     multi-platform GPL graphics toolkit (which supports Windows, Linux, OSX,
     IRIX..) from http://www.fltk.org/

BUGS
     To report bugs, send email to erco@seriss.com, and include "flruler bug re-
     port" in the Subject: of the message, or it will be ignored.

COPYRIGHT
     Copyright (C) 2012, 2006 Greg Ercolano.

     This is free software; see the source for copying conditions.  There is NO
     warranty;	not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
     POSE. For more information, see the LICENSE.txt file that came with the
     source.

1.05				   2026-08-01			      flruler(1)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=flruler&sektion=1&manpath=FreeBSD+Ports+15.1.quarterly>

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