SYNOPSIS
This module is used by Image::ExifToolDESCRIPTION
This module contains routines required by Image::ExifTool to read and write PNG (Portable Network Graphics), MNG (Multi-image Network Graphics) and JNG (JPEG Network Graphics) images.AUTHOR
Copyright 2003-2016, Phil Harvey (phil at owl.phy.queensu.ca)This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.