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Encyclopedia > Windows Imaging Component

The Windows Imaging Component (WIC) is a Component Object Model based imaging codec framework introduced in Windows Vista for working with and processing digital images and image metadata. It allows applications supporting the framework to automatically get support of installed codecs for graphics file formats. It is similar to DirectShow, or ACM/VCM, in that it can be extended using image codecs and can support third-party graphics formats on a system-wide basis. Additionally, Windows Presentation Foundation applications also automatically support the installed image codecs. Codecs for RAW image formats used by high-end professional digital cameras are also supported in this manner. WIC enables application developers to perform image processing operations on any image format through a single, set of common APIs, without requiring prior knowledge of specific image formats. By writing a codec once for WIC, developers can get system-wide support for that graphics file format in all applications that use WIC or WPF. Windows Imaging Component also supports Windows Color System, the ICC V4-compliant color management technology in Windows Vista. Component Object Model (COM) is a platform for software componentry introduced by Microsoft in 1993. ... Windows Vista is a line of graphical operating systems used on personal computers, including home and business desktops, notebook computers, Tablet PCs, and media centers. ... Metadata is data about data. ... It has been suggested that this article or section be merged into Comparison of graphics file formats. ... Logo of the DirectX Media SDK - the first time DirectShow was distributed under its current name. ... This article is in regard to the different deprecated audio components in older versions of Microsoft Windows. ... Video for Windows was a multimedia technology developed by Microsoft that allowed Microsoft Windows to play digital video. ... This subsystem is a part of . ... A raw image file (sometimes written RAW image file ) contains minimally processed data from the image sensor of a digital camera or image scanner. ... Screenshot of the Color Management control panel which is used to configure Windows Color System settings. ...


In Windows Vista, Windows Explorer, Windows Photo Gallery and Windows Photo Gallery Viewer are based on Windows Imaging Component and can thus view/organize images in any format for which the necessary codecs are installed. Windows Explorer running on Windows Vista Windows Explorer running on Windows XP Windows Explorer is an application that is part of modern versions of the Microsoft Windows operating system that provides a graphical user interface for accessing the file systems. ... Windows Photo Gallery (WPG) is an application included with Microsofts Windows Vista operating system that provides photo management and basic editing facilities. ...

Contents

Features

Windows Imaging Component provides an extensible architecture for image codecs, pixel formats, and metadata, with automatic run-time discovery of new formats. It supports reading and writing of arbitrary metadata in image files, with the ability to preserve unrecognized metadata during editing. While working with images, it preserves high bit depth image data, up to 32 bits per channel, throughout the revamped high dynamic range image processing pipeline built into Windows Vista. Color depth is a computer graphics term describing the number of bits used to represent the color of a single pixel in a bitmapped image or video frame buffer. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...


Codecs

By default, Windows Vista ships with the JPEG, TIFF, GIF, PNG, BMP and HD Photo encoder and decoder codecs, and an .ICO decoder. Additionally, as of 2007, some high-end camera manufacturers have released WIC codecs for proprietary RAW image formats. JPG redirects here. ... This article is about TIFF, the computer image format. ... An example of a GIF image. ... PNG may stand for: Persona non grata, literally meaning an unwelcome person, is a term used in diplomacy with a specialised and legally defined meaning. ... BMP is an abbreviation for: Basic Multilingual Plane, the 16-bit base of the Unicode character set. ... HD Photo (formerly Windows Media Photo) is a still image compression algorithm and file format for continuous tone photographic images, developed by Microsoft as a part of the Windows Media family. ... The ICO file format is an image file format used for icons in Microsoft Windows. ...


Metadata

WIC supports Exchangeable Image File (Exif), PNG textual metadata, image file directory (IFD), International Press Telecommunications Council (IPTC), and Extensible Metadata Platform (XMP) formats. In addition, WIC includes an extensible framework to support third-party metadata implementations. [1] Exchangeable image file format (official abbreviation Exif, not EXIF[1]) is a specification for the image file format used by digital cameras. ... The International Press Telecommunications Council, based in Windsor, United Kingdom, is a consortium of the worlds major news agencies and news industry vendors. ... The Extensible Metadata Platform or XMP is a specific type of extensible markup language used in PDF, photography and photo editing applications. ...


Applications using WIC

WIC is also available for Windows XP as a standalone download or as part of .NET Framework 3.0. [2] As of 2007, few third-party imaging applications (image editors, image organizers and image viewers) utilize WIC. Windows Photo Gallery on Windows Vista and Windows Live Photo Gallery on Windows XP and Windows Vista use WIC. A PowerToy for Windows XP from Microsoft, known as Photo Info, which allows viewing and editing image metadata from Windows Explorer, also uses WIC [3]. Windows XP is a line of operating systems developed by Microsoft for use on general-purpose computer systems, including home and business desktops, notebook computers, and media centers. ... .NET Framework 3. ... Windows Photo Gallery (WPG) is an application included with Microsofts Windows Vista operating system that provides photo management and basic editing facilities. ... Windows Live Photo Gallery is a photo management and sharing application to be released as a part of Microsofts Windows Live intitiative. ... Microsoft PowerToys is a set of programs provided by Microsoft for the Windows operating system. ...


References

  1. ^ WIC Metadata
  2. ^ Download WIC for Windows XP
  3. ^ Photo Info shell extension for Windows Explorer

External links

  • How to write a WIC-enabled codec
  • WIC documentation on MSDN

Available WIC Codecs

  • Canon RAW codec for WIC
  • Nikon RAW codec for WIC
  • Sony RAW codec for WIC
  • Olympus RAW codec for WIC

 
 

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