Image::ExifTool::PNG - Read and write PNG meta information

This module is used by Image::ExifTool

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.

Copyright 2003-2011, 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.

http://www.libpng.org/pub/png/spec/1.2/

http://www.faqs.org/docs/png/

http://www.libpng.org/pub/mng/

http://www.libpng.org/pub/png/spec/register/

PNG Tags in Image::ExifTool::TagNames, MNG Tags in Image::ExifTool::TagNames, Image::ExifTool(3pm)