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{{Short description|Image file format}}
{{Infobox file format {{Infobox file format
| name = OpenRaster | name = OpenRaster
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| caption = | caption =
| extension = .ora | extension = .ora
| mime = image/openraster<ref>{{Cite web|url=https://freedesktop.org/Specifications/OpenRaster/DesktopIntegration/|title=OpenRaster Desktop Integration|last=|first=|date=|website=freedesktop.org|publisher=|access-date=2016-12-19}}</ref> | mime = image/openraster<ref>{{cite web
| url = https://openraster.org
| title = OpenRaster Desktop Integration
| website = openraster.org
| access-date = 2016-12-19}}</ref>
| type code = | type code =
| uniform type = | uniform type =
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| owner = | owner =
| released = <!-- {{Start date and age|YYYY|mm|dd|df=yes/no}} --> | released = <!-- {{Start date and age|YYYY|mm|dd|df=yes/no}} -->
| latest release version = 0.0.5 (draft)<ref>{{Cite web|url=https://freedesktop.org/Specifications/OpenRaster/Draft/|title=OpenRaster Specification (Draft)|last=|first=|date=|website=freedesktop.org|publisher=|access-date=2016-12-19}}</ref> | latest release version = 0.0.6 (draft)<ref>{{cite web
| url = https://www.openraster.org/
| title = OpenRaster Specification (Draft)
| website = openraster.org
| access-date = 2016-12-19}}</ref>
| latest release date = <!-- {{Start date and age|YYYY|mm|dd|df=yes/no}} --> | latest release date = <!-- {{Start date and age|YYYY|mm|dd|df=yes/no}} -->
| genre = ] ] | genre = ] ]
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| extended to = | extended to =
| standard = | standard =
| free = Yes | open = Yes
| url = | url =
}} }}
⚫ '''OpenRaster''' is a ] proposed for the common exchange of ] images between ] editors. It is meant as a replacement for later versions of the Adobe PSD format. OpenRaster is still in development and so far is supported by a few programs.<ref>{{Cite web|url=https://freedesktop.org/Specifications/OpenRaster/|title=OpenRaster Specification|last=|first=|date=|website=freedesktop.org|publisher=|access-date=2016-12-19}}</ref> The default ] for OpenRaster files is ".ora".


⚫ '''OpenRaster''' is a ] proposed for the common exchange of ] images between ] editors. It is meant as a replacement for later versions of the Adobe PSD format. OpenRaster is still in development and so far is supported by a few programs.<ref>{{cite web
== Background ==
| url = https://www.openraster.org/baseline/baseline.html
⚫ The ] ] file format was widely used as a cross-application file format for layered images. Adobe allowed this by releasing the format's specifications publicly. In 2006 Adobe changed this license to only grant access to and use of the specifications and documentation <!-- under condition that programs created using the information function with Adobe software products. PREFER TO QUOTE CITED SOURCE -->"for the purposes of internally developing Developer Programs ''in connection with'' Adobe Software products and incorporating portions or all of the Sample Code into Developer Programs."<ref> Adobe.com. ''Developer Connection - Developer Resources''. Retrieved 2009-10-12.</ref> In response to these restrictions, the OpenRaster format was proposed by ] and ] developers Boudewijn Rempt<ref>{{Cite web|url=http://valdyas.org/fading/index.cgi/software/krita/openraster.html|title=OpenRaster|last=Rempt|first=Boudewijn|date=2006-06-20|website=valdyas.org|publisher=Fading Memories|access-date=2016-12-19}}</ref> and Cyrille Berger<ref>{{Cite web|url=http://blog.cberger.net/2006/06/20/why-openraster-is-needed/|title=Why OpenRaster is needed ?|last=Berger|first=Cyrille|date=June 20, 2006|website=blog.cberger.net|publisher=|access-date=2016-12-19}}</ref> at the first ] at ] in the spring of 2006 and is drawn from the ].<ref> Nathan Willis, ''Linux.com Archive''. July 07, 2006. Retrieved 2010-03-26.</ref>
| title = OpenRaster Specification
| website = openraster.org
| access-date = 2016-12-19}}</ref> The default ] for OpenRaster files is ".ora".


== Requirements == ==Background==
⚫ The ] ] file format was widely used as a cross-application file format for layered images. Adobe allowed this by releasing the format's specifications publicly. In 2006 Adobe changed this license to only grant access to and use of the specifications and documentation <!-- under condition that programs created using the information function with Adobe software products. PREFER TO QUOTE CITED SOURCE -->"for the purposes of internally developing Developer Programs ''in connection with'' Adobe Software products and incorporating portions or all of the Sample Code into Developer Programs."<ref> Adobe.com. ''Developer Connection - Developer Resources''. Retrieved 2009-10-12.</ref> In response to these restrictions, the OpenRaster format was proposed by ] and ] developers Boudewijn Rempt<ref>{{Cite web|url=http://valdyas.org/fading/index.cgi/software/krita/openraster.html|title=OpenRaster|last=Rempt|first=Boudewijn|date=2006-06-20|website=valdyas.org|publisher=Fading Memories|access-date=2016-12-19|archive-url=https://archive.today/20130416014734/http://valdyas.org/fading/index.cgi/software/krita/openraster.html|archive-date=2013-04-16|url-status=dead}}</ref> and Cyrille Berger<ref>{{Cite web|url=http://blog.cberger.net/2006/06/20/why-openraster-is-needed/|title=Why OpenRaster is needed ?|last=Berger|first=Cyrille|date=June 20, 2006|website=blog.cberger.net|publisher=|access-date=2016-12-19}}</ref> at the first ] at ] in the spring of 2006 and is drawn from the ].<ref> Nathan Willis, ''Linux.com Archive''. July 07, 2006. Retrieved 2010-03-26.</ref>

==Requirements==
Following features should be present: Following features should be present:


=== General === ===General===
* full freely available documentation * full freely available documentation
* OpenDocument type of file format (archive with multiple files inside) * OpenDocument type of file format (archive with multiple files inside)
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* applications are not expected to support all features of the file format, but when manipulating the file they should not lose any information they cannot handle * applications are not expected to support all features of the file format, but when manipulating the file they should not lose any information they cannot handle


=== Metadata === ===Metadata===
* storage of ] using {] – ] – ]} tags * storage of ] using {] – ] – ]} tags
* possibility of storing metadata tags per layer * possibility of storing metadata tags per layer
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* all text data in ] (] or ]) * all text data in ] (] or ])


=== Layers === ===Layers===
* storage of multiple layers * storage of multiple layers
* storage of each layer's coordinates * storage of each layer's coordinates
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* color information – profile, colorspace * color information – profile, colorspace


=== Other === ===Other===
See<ref>{{cite web |title=Proposals and Application Specific Extensions — Open Raster Specification version 0.05 |url=https://www.openraster.org/proposals/proposals.html |website=www.openraster.org}}</ref>
* storage of paths, ] and text on path * storage of paths, ] and text on path
* selections and masks * selections and masks
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* support undo, history of commands and actions (like PSD) * support undo, history of commands and actions (like PSD)


=== Proposals and extensions === ===Proposals and extensions===
* Palette * palette
* Embed Fonts (Proposal to extension) * embedded fonts (proposal to extension)
* Multiple pages * multiple pages
* Animation support using multiple pages and a timer (like PSD) * animation support using multiple pages and a timer (like PSD)


== Challenges == ==Challenges==
{{Context|1=section.|date=December 2013}} {{Context|1=section.|date=December 2013}}
<!-- This looks like criticism of the format, but it is about programs' feature sets differing, which is a problem for a format common to many different programs. It does not claim the format is poorly supported, it seems to be a part of the specification. This section was added in Oct 2010: https://en.wikipedia.org/search/?title=OpenRaster&diff=391631767&oldid=389640043 --> <!-- This looks like criticism of the format, but it is about programs' feature sets differing, which is a problem for a format common to many different programs. It does not claim the format is poorly supported, it seems to be a part of the specification. This section was added in Oct 2010: https://en.wikipedia.org/search/?title=OpenRaster&diff=391631767&oldid=389640043 -->
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Different implementations levels might be defined, like, tiny, simple, small, normal, full and custom. Different implementations levels might be defined, like, tiny, simple, small, normal, full and custom.


== Application support == ==Application support==
OpenRaster has limited support in a few graphics programs and among these its cross-application use is not seamless.{{Citation needed|date=April 2010}} OpenRaster has limited support in a few graphics programs and among these its cross-application use is not seamless.{{Citation needed|date=April 2010}}


{| class="wikitable" {| class="wikitable"
|- |-
!Application ! Application
! Baseline
!Status
! SVG

|- |-
|DrawPile | DrawPile
|Supported<ref> ''Drawpile project''. Sept 3, 2018. Accessed 2018-09-03.</ref> | {{yes|Supported}}<ref> ''Drawpile project''. Sept 3, 2018. Accessed 2018-09-03.</ref>
| {{Yes|Yes}}

|- |-
|] | ]
|Supported<ref> ''Chasys Draw IES Help - File Formats - Other Image Files''. Dec 12, 2018. Accessed 2018-12-12.</ref> | {{yes|Supported}}<ref> ''Chasys Draw IES Help - File Formats - Other Image Files''. Dec 12, 2018. Accessed 2018-12-12.</ref>
| {{Yes|Yes}}

|- |-
|] | ]
|Basic support with version 2.8.<ref> Accessed 2012-05-03.</ref> | {{partial|Basic support since version 2.8}}<ref> Accessed 2012-05-03.</ref>
| {{no|No}}

|- |-
|] | ]
|Unsupported | {{no|Unsupported}}
|

|- |-
|] | ]
|Supported.<ref>{{Cite web|url=https://community.kde.org/Krita/OpenRaster_status|title=Krita/OpenRaster status|last=|first=|date=|website=community.kde.org|publisher=|access-date=2016-12-19}}</ref><ref>{{Cite web|url=https://docs.krita.org/*.ora|title=*.ora - Krita Documentation|website=docs.krita.org|access-date=2016-12-19}}</ref> | {{yes|Supported}}<ref>{{Cite web|url=https://community.kde.org/Krita/OpenRaster_status|title=Krita/OpenRaster status|last=|first=|date=|website=community.kde.org|publisher=|access-date=2016-12-19}}</ref><ref>{{Cite web|url=https://docs.krita.org/*.ora|title=*.ora - Krita Documentation|website=docs.krita.org|access-date=2016-12-19}}</ref>
| {{no|No}}

|- |-
|] | ]
|Reading since version 5.0 and writing since 5.2<ref>, 2013-02-27</ref> | {{yes|Reading since version 5.0 and writing since 5.2}}<ref>, 2013-02-27</ref>
| {{Yes|Yes}}

|- |-
|] | ]
|Default working file format.<ref> {{webarchive|url=https://web.archive.org/web/20160308165434/http://prokoudine.info/blog?p=155 |date=2016-03-08 }} Alexandre Prokoudine, ''Prokoudine.info - blog.'' June 8th, 2009.</ref> | {{yes|Default working file format}}<ref> {{webarchive|url=https://web.archive.org/web/20160308165434/http://prokoudine.info/blog?p=155 |date=2016-03-08 }} Alexandre Prokoudine, ''Prokoudine.info - blog.'' June 8th, 2009.</ref>
| {{Yes|Yes}}

|- |-
|] | ]
|Default format since 0.908.<ref> Nathive website documentation</ref> | {{yes|Default format since 0.908}}<ref> Nathive website documentation</ref>
|

|- |-
|] | ]
|Supported starting with version 0.4.<ref name="or-pinta">{{cite web|url=http://pinta-project.com/release/0.4|title=Pinta - Version 0.4 Release Notes|date=2010-07-06|url-status=dead|archiveurl=https://web.archive.org/web/20100708170139/http://pinta-project.com/release/0.4|archivedate=2010-07-08}}</ref> | {{yes|Supported starting with version 0.4}}<ref name="or-pinta">{{cite web|url=http://pinta-project.com/release/0.4|title=Pinta - Version 0.4 Release Notes|date=2010-07-06|url-status=dead|archiveurl=https://web.archive.org/web/20100708170139/http://pinta-project.com/release/0.4|archivedate=2010-07-08}}</ref>
| {{no|No}}

|- |-
|] | ]
|Supported starting with version 1.98.1<ref> XnView forum announcement</ref> | {{partial|Supported through a user-made plugin}}<ref></ref>
|

|- |-
|] | ]
|Supported starting with version 1.5<ref> Scribus mailing list announcement</ref> | {{yes|Supported starting with version 1.5}}<ref> Scribus mailing list announcement</ref>
| {{no|No}}
|-
| ]
| {{yes|Supported starting with version 7.0.10-26}}<ref></ref>
| {{Yes|Yes}}
|-
| ]
| {{partial|Supported through a user-made plugin}}<ref> by user ''Zagna''</ref>
| {{no|No}}
|} |}


== See also == ==See also==
{{Portal|Free and open-source software}} {{Portal|Free and open-source software}}
* ] * ]
* ] * ]
* ] * ]
* ] * ]
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* ] * ]


== References == ==References==
{{Reflist|30em}} {{Reflist|30em}}


== External links == ==External links==
* *
*
* {{Webarchive|url=https://web.archive.org/web/20120222090237/http://create.freedesktop.org/OpenRaster|date=February 22, 2012|title=OpenRaster on the Create Project wiki}} * {{Webarchive|url=https://web.archive.org/web/20120222090237/http://create.freedesktop.org/OpenRaster|date=February 22, 2012|title=OpenRaster on the Create Project wiki}}
* {{webarchive |url=https://web.archive.org/web/20080317201628/http://pippin.gimp.org/OpenRaster/ |date=March 17, 2008 |title=pippin's website at gimp.org - OpenRaster }} * {{webarchive |url=https://web.archive.org/web/20080317201628/http://pippin.gimp.org/OpenRaster/ |date=March 17, 2008 |title=pippin's website at gimp.org - OpenRaster }}
* <!-- see Talk --> *
<!-- see Talk -->


{{DEFAULTSORT:Openraster}} {{DEFAULTSORT:Openraster}}

Latest revision as of 08:29, 5 February 2024

Image file format
OpenRaster
Filename extension .ora
Internet media type image/openraster
Latest release0.0.6 (draft)
Type of formatLayered raster graphics
Extended fromOpenDocument
Open format?Yes
WebsiteOpenRaster Specification at openraster.org

OpenRaster is a file format proposed for the common exchange of layered images between raster graphics editors. It is meant as a replacement for later versions of the Adobe PSD format. OpenRaster is still in development and so far is supported by a few programs. The default file extension for OpenRaster files is ".ora".

Background

The Adobe Photoshop PSD file format was widely used as a cross-application file format for layered images. Adobe allowed this by releasing the format's specifications publicly. In 2006 Adobe changed this license to only grant access to and use of the specifications and documentation "for the purposes of internally developing Developer Programs in connection with Adobe Software products and incorporating portions or all of the Sample Code into Developer Programs." In response to these restrictions, the OpenRaster format was proposed by KDE and Krita developers Boudewijn Rempt and Cyrille Berger at the first Libre Graphics Meeting at Lyon, France in the spring of 2006 and is drawn from the Open Document Format.

Requirements

Following features should be present:

General

  • full freely available documentation
  • OpenDocument type of file format (archive with multiple files inside)
  • extensible, but private undocumented extensions should be excluded, any extension should be added to the spec and documentation of the file format
  • applications are not expected to support all features of the file format, but when manipulating the file they should not lose any information they cannot handle

Metadata

Layers

  • storage of multiple layers
  • storage of each layer's coordinates
  • storage of blending (compositing) options for each layer
  • storage of adjustment layers
  • storage of layer effects
  • groups of layers
  • color information – profile, colorspace

Other

See

  • storage of paths, clipping paths and text on path
  • selections and masks
  • embedding documents within OpenDocument frameworks
  • support undo, history of commands and actions (like PSD)

Proposals and extensions

  • palette
  • embedded fonts (proposal to extension)
  • multiple pages
  • animation support using multiple pages and a timer (like PSD)

Challenges

This section. provides insufficient context for those unfamiliar with the subject. Please help improve the article by providing more context for the reader. (December 2013) (Learn how and when to remove this message)

According to the draft specification (as of October 2010), a major challenge for a cross-application format is that because not all of the features are available in all the programs, an image won't be displayed the same way in different applications, especially for adjustment/filters layers.

A likely work-around is the optional storage of a redundant extra layer containing the fully rendered pixel data as seen after all image processing, or possibly a lower-resolution snapshot of it suitable for previewing and thumbnailing.

Different implementations levels might be defined, like, tiny, simple, small, normal, full and custom.

Application support

OpenRaster has limited support in a few graphics programs and among these its cross-application use is not seamless.

Application Baseline SVG
DrawPile Supported Yes
Chasys Draw IES Supported Yes
GIMP Basic support since version 2.8 No
Inkscape Unsupported
Krita Supported No
LazPaint Reading since version 5.0 and writing since 5.2 Yes
MyPaint Default working file format Yes
Nathive Default format since 0.908
Pinta Supported starting with version 0.4 No
XnView Supported through a user-made plugin
Scribus Supported starting with version 1.5 No
ImageMagick Supported starting with version 7.0.10-26 Yes
Paint.net Supported through a user-made plugin No

See also

References

  1. "OpenRaster Desktop Integration". openraster.org. Retrieved 2016-12-19.
  2. "OpenRaster Specification (Draft)". openraster.org. Retrieved 2016-12-19.
  3. "OpenRaster Specification". openraster.org. Retrieved 2016-12-19.
  4. "Adobe Photoshop CS4 SDK License Agreement" Adobe.com. Developer Connection - Developer Resources. Retrieved 2009-10-12.
  5. Rempt, Boudewijn (2006-06-20). "OpenRaster". valdyas.org. Fading Memories. Archived from the original on 2013-04-16. Retrieved 2016-12-19.
  6. Berger, Cyrille (June 20, 2006). "Why OpenRaster is needed ?". blog.cberger.net. Retrieved 2016-12-19.
  7. "Debate arises over an open raster graphics format" Nathan Willis, Linux.com Archive. July 07, 2006. Retrieved 2010-03-26.
  8. "Proposals and Application Specific Extensions — Open Raster Specification version 0.05". www.openraster.org.
  9. Drawpile Drawpile project. Sept 3, 2018. Accessed 2018-09-03.
  10. Chasys Draw IES Help - File Formats - Other Image Files. Dec 12, 2018. Accessed 2018-12-12.
  11. GIMP - Release Notes for GIMP 2.8 Accessed 2012-05-03.
  12. "Krita/OpenRaster status". community.kde.org. Retrieved 2016-12-19.
  13. "*.ora - Krita Documentation". docs.krita.org. Retrieved 2016-12-19.
  14. LazPaint thread, 2013-02-27
  15. "MyPaint/OpenRaster News" Archived 2016-03-08 at the Wayback Machine Alexandre Prokoudine, Prokoudine.info - blog. June 8th, 2009.
  16. "Nathive 0.908 release notes" Nathive website documentation
  17. "Pinta - Version 0.4 Release Notes". 2010-07-06. Archived from the original on 2010-07-08.
  18. XnView Plugins
  19. "Scribus mailing list" Scribus mailing list announcement
  20. ImageMagick Changelog
  21. "OpenRaster Filetype" by user Zagna

External links

Categories: