228 lines
5.7 KiB
Plaintext
228 lines
5.7 KiB
Plaintext
.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xW Athena X Widgets \- C Language X Toolkit Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.ny0
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.TH XcmsTekHVCQueryMaxC 3X11 "Release 5" "X Version 11" "XLIB FUNCTIONS"
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.SH NAME
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XcmsTekHVCQueryMaxC, XcmsTekHVCQueryMaxV, XcmsTekHVCQueryMaxVC, XcmsTekHVCQueryMaxVSamples, XcmsTekHVCQueryMinV \- obtain the TekHVC coordinates
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.SH SYNTAX
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Status XcmsTekHVCQueryMaxC\^(\^\fIccc\fP\^, \fIhue\fP\^, \fIvalue\fP\^, \fIcolor_return\fP\^)
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.br
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XcmsCCC \fIccc\fP\^;
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.br
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XcmsFloat \fIhue\fP\^;
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.br
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XcmsFloat \fIvalue\fP\^;
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.br
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XcmsColor *\fIcolor_return\fP\^;
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.LP
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Status XcmsTekHVCQueryMaxV\^(\^\fIccc\fP\^, \fIhue\fP\^, \fIchroma\fP\^, \fIcolor_return\fP\^)
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.br
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XcmsCCC \fIccc\fP\^;
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.br
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XcmsFloat \fIhue\fP\^;
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.br
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XcmsFloat \fIchroma\fP\^;
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.br
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XcmsColor *\fIcolor_return\fP\^;
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.LP
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Status XcmsTekHVCQueryMaxVC\^(\^\fIccc\fP\^, \fIhue\fP\^, \fIcolor_return\fP\^)
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.br
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XcmsCCC \fIccc\fP\^;
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.br
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XcmsFloat \fIhue\fP\^;
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.br
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XcmsColor *\fIcolor_return\fP\^;
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.LP
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Status XcmsTekHVCQueryMaxVSamples\^(\^\fIccc\fP\^, \fIhue\fP\^, \fIcolors_return\fP\^, \fInsamples\fP\^)
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.br
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XcmsCCC \fIccc\fP\^;
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.br
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XcmsFloat \fIhue\fP\^;
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.br
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XcmsColor \fIcolors_return[]\fP\^;
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.br
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unsigned int \fInsamples\fP\^;
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.LP
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Status XcmsTekHVCQueryMinV\^(\^\fIccc\fP\^, \fIhue\fP\^, \fIchroma\fP\^, \fIcolor_return\fP\^)
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.br
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XcmsCCC \fIccc\fP\^;
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.br
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XcmsFloat \fIhue\fP\^;
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.br
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XcmsFloat \fIchroma\fP\^;
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.br
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XcmsColor *\fIcolor_return\fP\^;
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.SH ARGUMENTS
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.IP \fIccc\fP 1i
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Specifies the CCC.
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Note that the CCC's Client White Point and White Point Adjustment procedures
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are ignored.
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.ds Ch maximum Value (MaxV)
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.IP \fIchroma\fP 1i
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Specifies the chroma at which to find \*(Ch.
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.IP \fIcolors_in_out\fP 1i
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Returns nsamples of color specifications in XcmsTekHVC
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such that the Chroma is the maximum attainable for the Value and Hue.
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The white point associated with the returned
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color specification is the Screen White Point.
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The value returned in the pixel member is undefined.
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.ds Lc maximum Chroma along with the actual Hue and Value (MaxC), \
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maximum Value along with the Hue and Chroma (MaxV), \
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color specification in XcmsTekHVC for the maximum Chroma, \
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the Value at which that maximum Chroma is reached and actual Hue (MaxVC) \
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or minimum Value and the actual Hue and Chroma (MinL)
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.ds lC maximum Chroma (MaxC and MaxVC), maximum Value (MaxV), or \
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minimum Value (MinL)
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.IP \fIcolor_return\fP 1i
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Returns the \*(Lc at which the \*(lC was found.
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The white point associated with the returned
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color specification is the Screen White Point.
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The value returned in the pixel member is undefined.
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.ds Hu in which to find the maximum Chroma (MaxC and MaxVC), \
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maximum Value (MaxV), the maximum Chroma/Value samples (MaxVSamples), \
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or the minimum Value (MinL)
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.IP \fIhue\fP 1i
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Specifies the Hue \*(Hu.
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.IP \fInsamples\fP 1i
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Specifies the number of samples.
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.ds Va maximum Chroma (MaxC) or minimum Value (MinL)
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.IP \fIvalue\fP 1i
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Specifies the Value in which to find the \*(Va.
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.SH DESCRIPTION
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The
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.ZN XcmsTekHVCQueryMaxC
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function, given a Hue and Value,
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determines the maximum Chroma in TekHVC color space
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displayable by the screen.
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Note that it returns the maximum Chroma along with the actual Hue
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and Value at which the maximum Chroma was found.
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.LP
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The
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.ZN XcmsTekHVCQueryMaxV
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function, given a Hue and Chroma,
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determines the maximum Value in TekHVC color space
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displayable by the screen.
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Note that it returns the maximum Value and the actual Hue and Chroma
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at which the maximum Value was found.
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.LP
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The
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.ZN XcmsTekHVCQueryMaxVC
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function, given a Hue,
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determines the maximum Chroma in TekHVC color space displayable by the screen
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and the Value at which that maximum Chroma is reached.
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Note that it returns the maximum Chroma,
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the Value at which that maximum Chroma is reached,
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and the actual Hue for which the maximum Chroma was found.
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.LP
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The
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.ZN XcmsTekHVCQueryMaxVSamples
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returns nsamples of maximum Value, Chroma at which that maximum Value
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is reached, and the actual Hue for which the maximum Chroma was found.
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These sample points may then be used to plot the maximum Value/Chroma
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boundary of the screen's color gamut for the specified Hue in TekHVC color
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space.
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.LP
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The
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.ZN XcmsTekHVCQueryMinV
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function, given a Hue and Chroma,
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determines the minimum Value in TekHVC color space displayable by the screen.
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Note that it returns the minimum Value and the actual Hue and Chroma at which
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the minimum Value was found.
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.SH "SEE ALSO"
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XcmsCIELabQueryMaxC(3X11),
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XcmsCIELuvQueryMaxC(3X11),
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XcmsQueryBlack(3X11)
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.br
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\fI\*(xL\fP
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