home *** CD-ROM | disk | FTP | other *** search
/ NetNews Usenet Archive 1993 #3 / NN_1993_3.iso / spool / comp / os / mswindo / programm / misc / 5442 < prev    next >
Encoding:
Text File  |  1993-01-28  |  2.0 KB  |  46 lines
  1. Newsgroups: comp.os.ms-windows.programmer.misc
  2. From: chris@chrism.demon.co.uk (Chris Marriott)
  3. Path: sparky!uunet!charon.amdahl.com!pacbell.com!decwrl!elroy.jpl.nasa.gov!ames!agate!doc.ic.ac.uk!pipex!demon!chrism.demon.co.uk!chris
  4. Subject: Re: RGB <--> HSL ??? 
  5. Distribution: world
  6. References: <1993Jan25.173722.5205@hplabsz.hpl.hp.com>
  7. Organization: None
  8. Reply-To: chris@chrism.demon.co.uk
  9. X-Mailer: Simple NEWS 1.90 (ka9q DIS 1.19)
  10. Lines: 31
  11. Date: Tue, 26 Jan 1993 21:12:05 +0000
  12. Message-ID: <728082725snz@chrism.demon.co.uk>
  13. Sender: usenet@demon.co.uk
  14.  
  15. In article <1993Jan25.173722.5205@hplabsz.hpl.hp.com> yefchak@hplabsz.hpl.hp.com writes:
  16.  
  17. >Where can I find routines to convert between the various
  18. >color-mapping schemes, such as RGB, HSL, CMYK, etc.?
  19. >Thanks!
  20. >
  21. >***********************************************************************
  22. >* George Yefchak                          Hewlett-Packard Laboratories*
  23. >* Internet: yefchak@hpl.hp.com            P.O.Box 10350               *
  24. >* CompuServe: 73607,1625                  Palo Alto, CA 94303-0867    *
  25. >* AmericaOnline gyefchak@aol.com              415-857-4793            *
  26. >*   NOT SPEAKING FOR HP                   FAX 415-852-8502            *
  27. >***********************************************************************
  28. >
  29.  
  30. The best book I know of for this is "Computer Graphics: Principles and
  31. Practice, 2nd edition" by Foley, van Dam, Feiner and Hughes.  It has
  32. pages and pages of algorithms for RGB<->HLS, RGB<->CYMK, etc.  It's not
  33. a cheap book, but it's worth it in my opinion.
  34.  
  35. Best wishes,
  36.  
  37. Chris
  38. -- 
  39. --------------------------------------------------------------------------
  40. | Chris Marriott                           | chris@chrism.demon.co.uk    |
  41. | Warrington, UK                           | BIX: cmarriott              |
  42. |                                          | CIX: cmarriott              |
  43. | Save the whales.  Collect the whole set. | CompuServe: 100113,1140     |
  44. --------------------------------------------------------------------------
  45.  
  46.