ISO/IEC 15948:2004 Information technology — Computer graphics and image processing — Portable Network Graphics (PNG): Functional specification
ISO/IEC 15948:2004 is a valuable standard that helps ensure the quality of graphics and images used in computer applications. PNG is one of the formats specified by this standard, and this document provides detailed information about how it can be used. By understanding how PNG works, you can create high-quality graphics that will look stunning on any device.
What is ISO/IEC 15948:2004?
ISO/IEC 15948:2004 is a standard for the definition of Portable Network Graphics (PNG) file formats. The purpose of ISO/IEC 15948:2004 is to provide a common language for the description of the functionality of PNG files, so that software can be more interoperable.
PNG is a popular image format that is used to store graphics and images on computers. PNG files are small and easy to read, and they can be compressed using lossless compression techniques.
ISO/IEC 15948:2004 was created in response to requests from the computer graphics and image processing community. The goal of ISO/IEC 15948:2004 is to provide a common language for the description of the functionality of PNG files, so that software can be more interoperable.
If you are working on a project that uses or will use PNG files, it is important to understand how ISO/IEC 15948:2004 defines the functionality of these files. You can find more information about ISO/IEC 15948:2004 on the ISO website.
What are the requirements of ISO/IEC 15948:2004?
Portable Network Graphics (PNG) is an image format that is supported by many web browsers. PNG files are typically smaller than other image formats, and they can be compressed using the gzip compression algorithm.
The requirements of ISO/IEC 15948:2004 are summarized in the following table.
Requirement ISO/IEC 15948:2004 Requirement Notes 1. Portable 2D graphics and image processing 1.1 The PNG format meets the requirements for portable 2D graphics and image processing provided in ISO/IEC 14496-2:1998. 1.2 The PNG format may include features that are not included in ISO/IEC 14496-2:1998 but are necessary for rendering Portable Network Graphics files correctly. 2. Document structure 2.1 A Portable Network Graphics (PNG) file must have a file header that specifies its document type, version, and other information. 2.2 Each row in the file must have a data row that contains the pixel data for each row in the image, starting at the top of the image. 3. Image data 3.1 Pixel data must be monochrome and have a fixed width and height. 3.2 The pixel data must be packed into 8-,
What are the benefits of ISO/IEC 15948:2004?
ISO 15948:2004 is a standard for the representation of graphics on a computer screen. It defines a series of codes that can be used to create Portable Network Graphics (PNG) files.
PNG files are commonly used to represent images and graphics on the internet. They are small and easy to download, and they can be used with many different applications.
ISO 15948:2004 has many benefits for users. It is compact and easy to understand, and it supports a wide range of features. PNG files can be edited with any application that supports image editing, and they are compatible with most devices.
ISO 15948:2004 is an important standard for the internet age, and it will continue to play an important role in the future of information technology.
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