XcmsCIELabQueryMaxLC man page on Ultrix

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XcmsCIELabQueryMaxC(3X11)	     X11R5	     XcmsCIELabQueryMaxC(3X11)

NAME
       XcmsCIELabQueryMaxC, XcmsCIELabQueryMaxL, XcmsCIELabQueryMaxLC, Xcm‐
       sCIELabQueryMinL - obtain the CIE L*a*b* coordinates

SYNTAX
       Status XcmsCIELabQueryMaxC(ccc, hue_angle, L_star, color_return)
	     XcmsCCC ccc;
	     XcmsFloat hue_angle;
	     XcmsFloat L_star;
	     XcmsColor *color_return;

       Status XcmsCIELabQueryMaxL(ccc, hue_angle, chroma, color_return)
	     XcmsCCC ccc;
	     XcmsFloat hue_angle;
	     XcmsFloat chroma;
	     XcmsColor *color_return;

       Status XcmsCIELabQueryMaxLC(ccc, hue_angle, color_return)
	     XcmsCCC ccc;
	     XcmsFloat hue_angle;
	     XcmsColor *color_return;

       Status XcmsCIELabQueryMinL(ccc, hue_angle, chroma, color_return)
	     XcmsCCC ccc;
	     XcmsFloat hue_angle;
	     XcmsFloat chroma;
	     XcmsColor *color_return;

ARGUMENTS
       ccc	 Specifies the CCC.  Note that the CCC's Client White Point
		 and White Point Adjustment procedures are ignored.

       chroma	 Specifies the chroma at which to find maximum lightness
		 (MaxL) or minimum lightness (MinL).

       color_return
		 Returns the CIE L*a*b* coordinates of maximum chroma (MaxC
		 and MaxLC), maximum lightnes (MaxL), or minimum lightness
		 (MinL) displayable by the screen for the given hue angle and
		 lightness (MaxC), hue angle and chroma (MaxL and MinL), or
		 hue angle (MaxLC).  The white point associated with the
		 returned color specification is the Screen White Point.  The
		 value returned in the pixel member is undefined.

       hue_angle Specifies the hue angle in degrees at which to find maximum
		 chroma (MaxC and MaxLC), maximum lightness (MaxL), or minimum
		 lightness (MinL).

       L_star	 Specifies the lightness (L*) at which to find maximum chroma
		 (MaxC).

DESCRIPTION
       The function, given a hue angle and lightness, finds the point of maxi‐
       mum chroma displayable by the screen.  It returns this point in CIE
       L*a*b* coordinates.

       The function, given a hue angle and chroma, finds the point in CIE
       L*a*b* color space of maximum lightness (L*) displayable by the screen.
       It returns this point in CIE L*a*b* coordinates.	 An return value usu‐
       ally indicates that the given chroma is beyond maximum for the given
       hue angle.

       The function, given a hue angle, finds the point of maximum chroma dis‐
       playable by the screen.	It returns this point in CIE L*a*b* coordi‐
       nates.

       The function, given a hue angle and chroma, finds the point of minimum
       lightness (L*) displayable by the screen.  It returns this point in CIE
       L*a*b* coordinates.  An return value usually indicates that the given
       chroma is beyond maximum for the given hue angle.

SEE ALSO
       XcmsCIELuvQueryMaxC(3X11), XcmsTekHVCQueryMaxC(3X11), XcmsQuery‐
       Black(3X11)
       Xlib - C Language X Interface

						     XcmsCIELabQueryMaxC(3X11)
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