NAME X11::PngViewer - Png Viewer in X11 VERSION Version 0.09 SYNOPSIS use X11::PngViewer(); my $viewer = X11::PngViewer->new(); my $directory = File::HomeDir->my_pictures(); my $handle = DirHandle->new($directory) or die "No slideshow from $directory:$!"; while(my $entry = $handle->read()) { if ($entry =~ /[.]png/smx) { $viewer->show(File::Slurper::read_binary(File::Spec->catfile($directory, $entry))); sleep 1; } } DESCRIPTION This is a simple PNG image viewer for X11, intended for slideshows, etc. SUBROUTINES/METHODS new This method creates a new X11 window at the maximum possible size, and if possible, full screens the new X11 window as well show This method accepts the contents of a PNG file, clears the X11 window and displays the image in the center of the X11 window DIAGNOSTICS Cannot connect to X server The module was unable to connect to a X11 server. Check the contents of the DISPLAY environment variable. CONFIGURATION AND ENVIRONMENT X11::PngViewer will use the DISPLAY variable to try to connect to an X Server. DEPENDENCIES X11::PngViewer requires no non-core Perl modules INCOMPATIBILITIES None reported. BUGS AND LIMITATIONS No bugs have been reported. Please report any bugs or feature requests to bug-x11-pngviewer@rt.cpan.org, or through the web interface at http://rt.cpan.org. SEE ALSO * X11::Xlib * Image::PNG::Libpng * Time::Slideshow AUTHOR David Dick ACKNOWLEDGEMENTS Thanks to the authors of the documentation in the following sources; * Perl and XS * Xlib Manual * PNG - The Definite Guide LICENSE AND COPYRIGHT Copyright (c) 2018, David Dick . All rights reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See "perlartistic" in perlartistic. DISCLAIMER OF WARRANTY BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.