Sun Raster
Filename extension
.ras, .sun
Internet media typeimage/x-sun-raster
Magic number59A66A95h
Developed bySun Microsystems
Latest release
1.11
21 August 1989 (1989-08-21)
Type of formatImage file formats

Sun Raster was a raster graphics file format used on SunOS by Sun Microsystems.[1] The format has no MIME type,[2] it is specified in @(#)rasterfile.h 1.11 89/08/21 SMI. The format was used for some research papers.[3][4]

ACDSee, FFmpeg, GIMP, ImageMagick, IrfanView, LibreOffice, Netpbm, PaintShop Pro, PMView, and XnView among others support Sun Raster image files.[5][6] In version 2.13 XnView supported the file extensions .ras and .sun for this graphics file format. In version 2.1.4 FFmpeg could encode and decode Sun Raster pixel formats bgr24, pal8, gray, and monow.[7] The format does not support transparency.

The plain text Sun icon format specified in @(#)icon_load.h 10.5 89/09/05 SMI is unrelated to the Sun Raster format.[8]

References

  1. ↑ Murray, James D.; vanRyper, William (May 1996). Encyclopedia of Graphics File Formats (Second ed.). O'Reilly. sunraster. ISBN 978-1-56592-161-0. Retrieved 2014-02-27.
  2. ↑ .ras MIME type not registered at IANA
  3. ↑ McLaughlin, L., ed. (August 1990). "Print raster file". Line Printer Daemon Protocol. IETF. sec. 7.28. doi:10.17487/RFC1179. RFC 1179. Retrieved 2014-03-13.
  4. ↑ Werner, Charles; Wegmüller, Urs; Strozzi, Tazio; Wiesmann, Andreas (October 2000). "Gamma SAR and interferometric processing software" (PDF). Retrieved 2014-03-12.
  5. ↑ Sofer, Nir. ".ras Extension". Retrieved 2014-01-12.
  6. ↑ "File Type: Sun Raster Image". Windows File Association. Microsoft. 2013. Retrieved 2014-01-12.
  7. ↑ "Image Formats". FFmpeg General Documentation. 2014. Retrieved 2014-02-23.
  8. ↑ Murray, James D.; vanRyper, William (May 1996). Encyclopedia of Graphics File Formats (Second ed.). O'Reilly. sunicon. ISBN 978-1-56592-161-0. Retrieved 2014-02-27.
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