Image-PNG-Libpng-0.30

Changes for version 0.30 - 2014-02-11

Support sCAL chunk.
use warnings, use strict in main module.
"libpng_supports" added pCAL and sCAL to testable options.
"set_text" now has a default compression of PNG_TEXT_COMPRESSION_NONE, so the field "compression" doesn't have to be specified for every text chunk.
New function "copy_png" for copying chunks from a read PNG to a write PNG.
Support sPLT chunk (experimental).
Fix bug where some PNG constants (PNG_FILLER_AFTER etc.) were lost.

make libpng constants available

Perl interface to the C library "libpng".

To install Image::PNG::Libpng, copy and paste the appropriate command in to your terminal.

cpanm Image::PNG::Libpng

perl -MCPAN -e shell
install Image::PNG::Libpng

For more information on module installation, please visit the detailed CPAN module installation guide.

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