Manual Pages for UNIX Operating System command usage for man XcmsCIELabQueryMaxLC

XLIB FUNCTIONS                           XcmsCIELabQueryMax(3x11)



NAME
     XcmsCIELabQueryMaxC, XcmsCIELabQueryMaxL, XcmsCIELabQuer-
     yMaxLC, XcmsCIELabQueryMinL - obtain the CIE L*a*b* coordi-
     nates

SYNTAX
     cc [ flag... ] file... -lX11 [ library... ]

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

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

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

     Status XcmsCIELabQueryMinL(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 lightness (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 max-
               imum chroma (MaxC).

DESCRIPTION
     The XcmsCIELabQueryMaxC function, given a hue angle and
     lightness, finds the point of maximum chroma displayable by



X Version 11        Last change: libX11 1.3.5                   1






XLIB FUNCTIONS                           XcmsCIELabQueryMax(3x11)



     the screen.  It returns this point in CIE L*a*b* coordi-
     nates.

     The XcmsCIELabQueryMaxL 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 XcmsFailure return
     value usually indicates that the given chroma is beyond max-
     imum for the given hue angle.

     The XcmsCIELabQueryMaxLC function, given a hue angle, finds
     the point of maximum chroma displayable by the screen.  It
     returns this point in CIE L*a*b* coordinates.

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

SEE ALSO
     XcmsCIELuvQueryMaxC(3x11), XcmsTekHVCQueryMaxC(3x11),
     XcmsQueryBlack(3x11)
     Xlib - C Language X Interface


ATTRIBUTES
     See attributes(5) for descriptions of the following attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Availability                | x11/library/libx11          |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | MT-Level                    | See XInitThreads(3X11)      |
    |_____________________________|_____________________________|















X Version 11        Last change: libX11 1.3.5                   2