File: ida.man

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.TH ida 1 "(c) 2001,02 Gerd Knorr"
.SH NAME
ida - image viewing and editing program
.SH SYNOPSIS
.B ida [ options ] files
.SH DESCRIPTION
.B ida
is a small and fast application for viewing images.  Some basic
editing functions are available too.
.P
You can specify any number of image files as arguments on the command
line.  Or you can read a single image from stdin by specifying "-" as
only argument ("xwd | ida -" works nice for screenshots).
.SH OPTIONS
.B ida
understands the usual toolkit options (-geometry + friends).
Additional options are:
.TP
.B -help
print a short help text
.TP
.B -pcd n
Pick size for PhotoCD images (1 .. 5, default 3).
.TP
.B -debug
enable debug messages.  Also has the side effect that error messages
are displayed on stderr only and \fInot\fP as message box.
.SH GETTING STARTED
.SS Mouse functions
With the left mouse button you can creates and edit a selection
rectangle.  The middle mouse button is used to start drag'n'drop
operations.  The right mouse button brings up the control window with
menus, toolbar and file list.
.br
.SS Keyboard Shortcuts
Many keyboard shortcuts used by xv are available in ida too.  If you
are familiar with xv if should be easy for you to get started with
ida.
.P
All available keyboard shortcuts are also listed in the menus of the
control window.  The most important ones are listed below:
.P
.nf
space           next file
backspace       previous file
cursor keys     scrolling (hold ctrl key for big steps).
plus / minus    zoom in/out
Q               quit
.fi
.SS Supported image formats
.B read:
PPM, xwd, PhotoCD, xpm, xbm, bmp (uncompressed), JPEG, TIFF, PNG, GIF.
The last four are supported using the usual libraries, i.e. you need
to have them installed at compile time.
.br
.B write:
PPM, PostScript, JPEG, TIFF, PNG.
.SS Using drag'n'drop
.B ida
is a motif application and thus supports the motif drag'n'drop
protocol in both directions.  The xdnd protocol is supported too, but
only in one direction (receive drops).
.P
.B ida
uses the middle mouse button to start a drag'n'drop operation (as the
motif style guide suggests).  This works for the main window and the
file buttons within the file browser.
.P
.B motif applications
should have absolutely no problems to deal with ida's drag'n'drop
support.  You can drop images into some netscape 4.x window -- it
simply works.  Mozilla accepts motif drops too.
.P
Interoperation with 
.B gnome / gtk
is good.  I can drag files from ida to eeyes and visa versa without
problems.  File drops from gmc into ida work just fine too.
.P
Interoperation with
.B KDE
is bad.  cut+paste works most of the time, drag'n'drop often doesn't.
The X11 selection handling of the Qt toolkit has a few design bugs and
sucks.  Basically the troll guys didn't understand what the TARGETS
target is good for and violate the ICCCM specs by ignoring it.
.SH AUTHOR
Gerd Knorr <kraxel@bytesex.org>
.SH COPYRIGHT
Copyright (C) 2002 Gerd Knorr <kraxel@bytesex.org>
.P
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
.P
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
.P
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.