png
1. PNG94 usages
org.renjin.cran » pngGPL
This package provides an easy and simple way to read, write and display bitmap images stored in the PNG format. It can read and write both files and in-memory raw vectors.
Last Release on Feb 14, 2021
com.keypoint.PngEncoder - a Java class to convert Image objects to PNG byte arrays
Last Release on Apr 7, 2006
3. Pure Ruby Library For Read/write, Chunk Level Access to PNG Files6 usages
rubygems » chunky_pngMIT
This pure Ruby library can read and write PNG images without depending on an external
image library, like RMagick. It tries to be memory efficient and reasonably fast.
It supports reading and writing all PNG variants that are defined in the specification,
with one limitation: only 8-bit color depth is supported. It supports all transparency,
interlacing and filtering options the PNG specifications allows. It can also read and
write textual metadata from PNG files. Low-level read/write ...
Last Release on Feb 10, 2016
5. Simple PNG2 usages
org.glavo » simple-pngApache
Minimal library for creating PNG images
Last Release on Jan 26, 2023