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How do you convert from RGB to CMYK?

Posted on 2002-07-28
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Last Modified: 2010-04-04
i am working on an image processor and need to now how to convert RGB values to CMYK . . .

thanks, cdbsi
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Question by:cdbsi
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LukA_YJK earned 20 total points
ID: 7184814
Quote from Windows.pas
{ functions to retrieve CMYK values from a COLORREF }

{$EXTERNALSYM GetCValue}
function GetCValue(cmyk: COLORREF): Byte;
{$EXTERNALSYM GetMValue}
function GetMValue(cmyk: COLORREF): Byte;
{$EXTERNALSYM GetYValue}
function GetYValue(cmyk: COLORREF): Byte;
{$EXTERNALSYM GetKValue}
function GetKValue(cmyk: COLORREF): Byte;
{$EXTERNALSYM CMYK}
function CMYK(c, m, y, k: Byte): COLORREF;

Hope it will help...
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by:alanwhincup
ID: 7184941
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by:CleanupPing
ID: 9342974
cdbsi:
This old question needs to be finalized -- accept an answer, split points, or get a refund.  For information on your options, please click here-> http:/help/closing.jsp#1 
EXPERTS:
Post your closing recommendations!  No comment means you don't care.
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by:snehanshu
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Hi!
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Answered by: LukA_YJK

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