# Package org.apache.commons.imaging.formats.png

package org.apache.commons.imaging.formats.png
The PNG (Portable Network Graphics) image format.

The implementation is based on the PNG specification version 1.2, and supports the following extensions:

- Extensions to the PNG 1.2 Specification, Version 1.5.0

- Related Packages
  Package
  Description
  org.apache.commons.imaging.formats.png.chunks
  PNG image format chunks.
  org.apache.commons.imaging.formats.png.scanlinefilters
  PNG image format scan-line filters.
  org.apache.commons.imaging.formats.png.transparencyfilters
  PNG image format transparency filters.
- Class
  Description
  AbstractPngText
  AbstractPngText.Itxt
  AbstractPngText.Text
  AbstractPngText.Ztxt
  ChunkType
  Type of PNG chunk.
  GammaCorrection
  InterlaceMethod
  Interlace methods.
  PhysicalScale
  Used to specify physical scale when reading or storing image information.
  PngColorType
  PngConstants
  PngImageInfo
  PngImageMetadata
  PngImageParser
  Parses PNG images.
  PngImagingParameters
  PNG format parameters.
  PngWriter