Image::ExifTool::WritePNG(3pm) - phpMan

Image::ExifTool::WritePNG(3pm) User Contributed Perl Documentation Image::ExifTool::WritePNG(3pm)

NAME
       Image::ExifTool::WritePNG.pl - Write PNG meta information

SYNOPSIS
       These routines are autoloaded by Image::ExifTool::PNG.

DESCRIPTION
       This file contains routines to write PNG metadata.

NOTES
       Compress::Zlib is required to write compressed text.

       Existing text tags are always rewritten in their original form (compressed zTXt,
       uncompressed tEXt or international iTXt), so pre-existing compressed information can only
       be modified if Compress::Zlib is available.

       Newly created textual information is written in uncompressed tEXt form by default, or as
       compressed zTXt if the Compress option is used and Compress::Zlib is available (but only
       if the resulting compressed data is smaller than the original text, which isn't always the
       case for short text strings).

AUTHOR
       Copyright 2003-2020, Phil Harvey (philharvey66 at gmail.com)

       This library is free software; you can redistribute it and/or modify it under the same
       terms as Perl itself.

SEE ALSO
       Image::ExifTool::PNG(3pm), Image::ExifTool(3pm)

perl v5.30.0                                2021-06-09             Image::ExifTool::WritePNG(3pm)

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