1XcmsCIELabQueryMax(3)           XLIB FUNCTIONS           XcmsCIELabQueryMax(3)
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NAME

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

10       Status XcmsCIELabQueryMaxC(XcmsCCC ccc, XcmsFloat hue_angle,  XcmsFloat
11              L_star, XcmsColor *color_return);
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13       Status  XcmsCIELabQueryMaxL(XcmsCCC ccc, XcmsFloat hue_angle, XcmsFloat
14              chroma, XcmsColor *color_return);
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16       Status XcmsCIELabQueryMaxLC(XcmsCCC ccc, XcmsFloat hue_angle, XcmsColor
17              *color_return);
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19       Status  XcmsCIELabQueryMinL(XcmsCCC ccc, XcmsFloat hue_angle, XcmsFloat
20              chroma, XcmsColor *color_return);
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ARGUMENTS

23       ccc       Specifies the CCC.  Note that the CCC's  Client  White  Point
24                 and White Point Adjustment procedures are ignored.
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26       chroma    Specifies  the  chroma  at  which  to  find maximum lightness
27                 (MaxL) or minimum lightness (MinL).
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29       color_return
30                 Returns the CIE L*a*b* coordinates of  maximum  chroma  (MaxC
31                 and  MaxLC),  maximum  lightness (MaxL), or minimum lightness
32                 (MinL) displayable by the screen for the given hue angle  and
33                 lightness  (MaxC),  hue  angle and chroma (MaxL and MinL), or
34                 hue angle (MaxLC).  The white point associated with  the  re‐
35                 turned  color  specification  is the Screen White Point.  The
36                 value returned in the pixel member is undefined.
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38       hue_angle Specifies the hue angle (in degrees) at which to find maximum
39                 chroma (MaxC and MaxLC), maximum lightness (MaxL), or minimum
40                 lightness (MinL).
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42       L_star    Specifies the lightness (L*) at which to find maximum  chroma
43                 (MaxC).
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DESCRIPTION

46       The  XcmsCIELabQueryMaxC  function,  given  a  hue angle and lightness,
47       finds the point of maximum chroma displayable by the  screen.   It  re‐
48       turns this point in CIE L*a*b* coordinates.
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50       The  XcmsCIELabQueryMaxL  function, given a hue angle and chroma, finds
51       the point in CIE L*a*b* color space  of  maximum  lightness  (L*)  dis‐
52       playable  by  the  screen.  It returns this point in CIE L*a*b* coordi‐
53       nates.  An XcmsFailure return value usually indicates  that  the  given
54       chroma is beyond maximum for the given hue angle.
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56       The  XcmsCIELabQueryMaxLC  function, given a hue angle, finds the point
57       of maximum chroma displayable by the screen.  It returns this point  in
58       CIE L*a*b* coordinates.
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60       The  XcmsCIELabQueryMinL  function, given a hue angle and chroma, finds
61       the point of minimum lightness (L*) displayable by the screen.  It  re‐
62       turns  this  point  in  CIE  L*a*b* coordinates.  An XcmsFailure return
63       value usually indicates that the given chroma is beyond maximum for the
64       given hue angle.
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SEE ALSO

67       XcmsCIELuvQueryMaxC(3), XcmsTekHVCQueryMaxC(3), XcmsQueryBlack(3)
68       Xlib - C Language X Interface
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72X Version 11                     libX11 1.7.2            XcmsCIELabQueryMax(3)
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