pngjs

# Changelog ### 7.0.0 - 19/02/2023 - BREAKING - Drop support for node 12 (Though nothing incompatible in this release yet) - Switch to a pngjs organisation ### 6.0.0 - 24/10/2020 - BREAKING - Sync version now throws if there is unexpected content at the end of the stream. - BREAKING - Drop support for node 10 (Though nothing incompatible in this release yet) - Reduce the number of files included in the package ### 5.1.0 - 13/09/2020 - Add option to skip rescaling ### 5.0.0 - 15/04/2020 - Drop support for Node 8 - Browserified bundle may now contain ES20(15-20) code if the supported node version supports it. Please run the browserified version through babel if you need to support older browsers. ### 4.0.1 - 15/04/2020 - Fix to possible null reference in nextTick of async method ### 4.0.0 - 09/04/2020 - Fix issue in newer nodes with using Buffer - Fix async issue with some png files - Drop support for Node 4 & 6 ### 3.4.0 - 09/03/2019 - Include whether the png has alpha in the meta data - emit an error if the image is truncated instead of hanging - Add a browserified version - speed up some mapping functions ### 3.3.3 - 19/04/2018 - Real fix for node 9 ### 3.3.2 - 16/02/2018 - Fix for node 9 ### 3.3.1 - 15/11/2017 - Bugfixes and removal of es6 ### 3.3.0 - Add writing 16 bit channels and support for grayscale input ### 3.2.0 - 30/04/2017 - Support for encoding 8-bit grayscale images ### 3.1.0 - 30/04/2017 - Support for pngs with zlib chunks that are malformed after valid data ### 3.0.1 - 16/02/2017 - Fix single pixel pngs ### 3.0.0 - 03/08/2016 - Drop support for node below v4 and iojs. Pin to 2.3.0 to use with old, unsupported or patched node versions. ### 2.3.0 - 22/04/2016 - Support for sync in node 0.10 ### 2.2.0 - 04/12/2015 - Add sync write api - Fix newfile example - Correct comparison table ### 2.1.0 - 28/10/2015 - rename package to pngjs - added 'bgColor' option ### 2.0.0 - 08/10/2015 - fixes to readme - _breaking change_ - bitblt on the png prototype now doesn't take a unused, unnecessary src first argument ### 1.2.0 - 13/09/2015 - support passing colorType to write PNG's and writing bitmaps without alpha information ### 1.1.0 - 07/09/2015 - support passing a deflate factory for controlled compression ### 1.0.2 - 22/08/2015 - Expose all PNG creation info ### 1.0.1 - 21/08/2015 - Fix non square interlaced files ### 1.0.0 - 08/08/2015 - More tests - source linted - maintainability refactorings - async API - exceptions in reading now emit warnings - documentation improvement - sync api now documented, adjustGamma documented - breaking change - gamma chunk is now written. previously a read then write would destroy gamma information, now it is persisted. ### 0.0.3 - 03/08/2015 - Error handling fixes - ignore files for smaller npm footprint ### 0.0.2 - 02/08/2015 - Bugfixes to interlacing, support for transparent colours ### 0.0.1 - 02/08/2015 - Initial release, see pngjs for older changelog.