This section describes the status of this document at the time of its publication. This specification defines an Internet Media Type image/png. Also, PNG can store gamma and chromaticity data for improved color matching on heterogeneous platforms.
EXTRACT FILES FROM ISO FULL
PNG is robust, providing both full file integrity checking and simple detection of common transmission errors. PNG is designed to work well in online viewing applications, such as the World Wide Web, so it is fully streamable with a progressive display option. Indexed-color, grayscale, and truecolor images are supported, plus an optional alpha channel. PNG provides a patent-free replacement for GIF and can also replace many common uses of TIFF. This document describes PNG (Portable Network Graphics), an extensible file format for the lossless, portable, well-compressed storage of raster images. W3C liability, trademark, document use and software licensing rules apply. See also the translations of this document.Ĭopyright © 2003 W3C ® ( MIT, ERCIM, Keio), All Rights Reserved. Please refer to the errata for this document, which may include some normative corrections. ISO/IEC 15948:2003 (E) W3C Recommendation 10 November 2003 This version: Latest version: Previous version: Editor: David Duce, Oxford Brookes University (Second Edition) Authors: See author list
EXTRACT FILES FROM ISO PORTABLE
Portable Network Graphics (PNG) Specification (Second Edition) Information technology - Computer graphics and image processing - Portable Network Graphics (PNG): Functional specification.
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