Have you looked here? http://www.google.com/custom?domains=www.phpclasses.org&q=cmyk+to+rgb&sa=Search&sitesearch=www.phpclasses.org&client=pub-2951707118576741&forid=1&channel=5742870948&ie=ISO-8859-1&oe=ISO-8859-1&cof=GALT%3A%23663399%3BGL%3A1%3BDIV%3A%23222222%3BVLC%3A663399%3BAH%3Acenter%3BBGC%3AA3C5CC%3BLBGC%3AA3C5CC%3BALC%3A0000FF%3BLC%3A0000FF%3BT%3A000000%3BGFNT%3A0000FF%3BGIMP%3A0000FF%3BLH%3A50%3BLW%3A256%3BL%3Ahttp%3A%2F%2Ffiles.phpclasses.org%2Fgraphics%2Fgooglesearch.jpg%3BS%3Ahttp%3A%2F%2Fwww.phpclasses.org%2Fsearch.html%3BFORID%3A1%3B&hl=en Without looking at any of their code, I do notice that some class descriptions look promising. John Corry On Fri, Jan 9, 2009 at 8:03 PM, Shawn McKenzie <nospam@xxxxxxxxxxxxx> wrote: > ceo@xxxxxxxxx wrote: >> Short Answer: >> >> You can't. >> :-) >> >> http://en.wikipedia.org/wiki/CMYK >> >> Long Answer: >> You probably can, but not in some way that makes sense to discuss here on PHP-general. >> >> The external links in the above article should get you started. >> > > May not always come out with the best colors, but the rough formula is: > > Black = minimum(1-Red,1-Green,1-Blue) > Cyan = (1-Red-Black)/(1-Black) > Magenta = (1-Green-Black)/(1-Black) > Yellow = (1-Blue-Black)/(1-Black) > > Write your own little functions to convert. > > -- > Thanks! > -Shawn > http://www.spidean.com > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
