Free graphical software software for linux

Graphics::ColorPicker is a Perl module for WYSIWYG web applications that allow selection of HEX color numbers.

SYNOPSIS

use Graphics::ColorPicker;
or
require Graphics::ColorPicker;

make_page($path_to_images);
send_page($html_txt,$type);
$time_string = http_date($time);
$name = script_name;
$html_text=frames($websafe);
$html_text = msie_frame;
$html_text=picker($darkimg,$liteimg,$size,$bsize,greyimg);
$html_text=no_picker;
$html_text=cp216_ds($clrdot,$border,$square)
$javascript_text = jslib;
$html=make_buttons(%look_n_feel,$url,$active,@buttons,$xtra);
$html_text=pluck($color);

Linux graphical bootsplash allows you to use custom graphics during early system startup. It makes it possible to place a nice graphic behind or above the kernel boot messages.
Linux graphical bootsplash hooks into the fbcon layer and, if activated, searches the initial ramdisk for a JPEG picture to show.
On any output operations to the console, it takes care of painting a margin around your text and a background picture behind the text with a set of special cfb functions.
Main features:
- Nice graphics (JPEG)
- Antialiased text rendering (TrueType)
- Animations (MNG)
- Progress Bar
- Display of boot messages above or below a graphic. ("verbose" and "silent" modes)
- Fully themeable
Enhancements:
- The bootsplash patch was updated to apply cleanly against Linux kernel 2.6.21.

Bio::Graphics::Panel is a Perl module to generate GD images of Bio::Seq objects.

SYNOPSIS

# This script parses a GenBank or EMBL file named on the command
# line and produces a PNG rendering of it. Call it like this:
# render.pl my_file.embl | display -

use strict;
use Bio::Graphics;
use Bio::SeqIO;

my $file = shift or die "provide a sequence file as the argument";
my $io = Bio::SeqIO->new(-file=>$file) or die "could not create Bio::SeqIO";
my $seq = $io->next_seq or die "could not find a sequence in the file";

my @features = $seq->all_SeqFeatures;

# sort features by their primary tags
my %sorted_features;
for my $f (@features) {
my $tag = $f->primary_tag;
push @{$sorted_features{$tag}},$f;
}

my $panel = Bio::Graphics::Panel->new(
-length => $seq->length,
-key_style => between,
-width => 800,
-pad_left => 10,
-pad_right => 10,
);
$panel->add_track( arrow => Bio::SeqFeature::Generic->new(-start=>1,
-end=>$seq->length),
-bump => 0,
-double=>1,
-tick => 2);
$panel->add_track(generic => Bio::SeqFeature::Generic->new(-start=>1,
-end=>$seq->length),
-glyph => generic,
-bgcolor => blue,
-label => 1,
);

# general case
my @colors = qw(cyan orange blue purple green chartreuse magenta yellow aqua);
my $idx = 0;
for my $tag (sort keys %sorted_features) {
my $features = $sorted_features{$tag};
$panel->add_track($features,
-glyph => generic,
-bgcolor => $colors[$idx++ % @colors],
-fgcolor => black,
-font2color => red,
-key => "${tag}s",
-bump => +1,
-height => 8,
-label => 1,
-description => 1,
);
}

print $panel->png;
$panel->finished;

exit 0;

The Bio::Graphics::Panel class provides drawing and formatting services for any object that implements the Bio::SeqFeatureI interface, including Ace::Sequence::Feature and Das::Segment::Feature objects. It can be used to draw sequence annotations, physical (contig) maps, or any other type of map in which a set of discrete ranges need to be laid out on the number line.

The module supports a drawing style in which each type of feature occupies a discrete "track" that spans the width of the display. Each track will have its own distinctive "glyph", a configurable graphical representation of the feature.
The module also supports a more flexible style in which several different feature types and their associated glyphs can occupy the same track. The choice of glyph is under run-time control.

Semantic zooming (for instance, changing the type of glyph depending on the density of features) is supported by a callback system for configuration variables. The module has built-in support for Bio::Das stylesheets, and stylesheet-driven configuration can be intermixed with semantic zooming, if desired.

You can add a key to the generated image using either of two key styles. One style places the key captions at the top of each track. The other style generates a graphical key at the bottom of the image.

Note that this module depends on GD. The optional SVG output depends on GD::SVG and SVG.

Text::Graphics is a text graphics rendering toolkit.

This is a toolkit for rendering plain text via an API like that used for graphics rendering in GUI toolkits. This package might be used when you want to do sophisticated rendering of plain text, e.g., for graphing, creating of complex forms for email and fax, and so on.

SYNOPSIS

use Text::Graphics;
my $text = "A text graphics rendering toolkit.n";
my $page = Text::Graphics::Page->new( 20, 10);
my $panel0 = Text::Graphics::BorderedPanel->new( 20, 10);
my $panel1 =
Text::Graphics::FilledBorderedTextPanel->new($text x 3, 25, 12);
$panel0->setBackground("#");
$panel1->setBackground(" ");
$page->add($panel0);
$page->add($panel1, 5, 2);
$page->render();

+-------------------+
|###################|
|####+--------------+
|####|A text graphic|
|####|rendering tool|
|####|text graphics |
|####|toolkit. A tex|
|####|graphics rende|
|####|toolkit. |
|####| |
+----+--------------+

Graphical certification authority project is a graphical user interface to OpenSSL, RSA/DSA public keys, certificates, signing requests and revokation lists.
The keys have an internal counter, counting its use to avoid a duplicate use of a key for creating a certificate or request.
The Keys are of course encrypted in the db file.
Xca supports next to the usual PEM and DER format of certificates the import and export of PKCS#12 (aka *.pfx) files and the Certificate import from PKCS#7 files.
Certificates can be created by self signing it, by signing it by an other (usually CA) certificate or by signing a PKCS#10 request. Netscape SPKAC is supported since version 0.4.6. The validity dates and x509.v3 extensions can be adjusted to fit ones needs. The use of multiple certificates in CA chains is supported and a tree view of the certificates reflects the dependencies. The application takes care to not create duplicate certificates by checking the serial number(s) on import and creation of certificates.
Certificate Templates can be used to preset the input dialog with reasonable values and to simplify the process of creating certificates and requests.
Issued certificates can be revoked and the revokation list can be created and exported. External revokation lists can be imported and examined.
Enhancements:
- This version fixes an issue where some CA signed certificates were not sorted correctly below that CA.
- Malformed certificates no longer cause a crash.
- The string encoding rules for the distinguished name can now be set in the options dialog and PKCS#10 attributes can be set and inspected.

GtkOrphan (a Perl/Gtk2 application for debian systems) is a graphical tool which analyzes the status of your installations, looking for orphaned libraries.

GtkOrphan project implements a GUI front-end for deborphan, adding the package-removal capability.

IPFW grapher provides graphical stats for FreeBSDs ipfw.
ipfw-graph displays a graphical overview of the amount of bytes going through your FreeBSD ipfw-rules and a piled overview of the percentage based on which rule it happened.
Enhancements:
- Jose Manuel Megias Sanchez reported a problem when using ipfw-graph with dynamic rules.
- Made /usr/local a little more configurable.
- Changed some lines in the Makefile to decrease the amount of patch-files for the FreeBSD ports collection.

Anthias is a graphical shell. Anthias integrates the approach of the traditional unix-console with the modern GUI shells, like konqueror.

The user would be able to type in commands just as in a traditional console.

It is based on QT and KDE.