---
name: "XcmsQueryBlack"
section: "3x"
platform: "linux"
package: "libx11-dev"
version: "4.3.0.dfsg.1-14sarge7"
release: "Debian 3.1 (Sarge)"
platforms: ["linux"]
url: "https://new.carta.tech/XcmsQueryBlack/3x"
---

# XcmsQueryBlack(3x)

obtain black, blue, green, red, and white CCC color specifications

## NAME

XcmsQueryBlack, XcmsQueryBlue, XcmsQueryGreen, XcmsQueryRed, XcmsQueryWhite - obtain black, blue, green, red, and white CCC color specifications

## SYNTAX

Status XcmsQueryBlack(XcmsCCC *ccc*, XcmsColorFormat *target\_format*, XcmsColor \**color\_return*);

Status XcmsQueryBlue(XcmsCCC *ccc*, XcmsColorFormat *target\_format*, XcmsColor \**color\_return*);

Status XcmsQueryGreen(XcmsCCC *ccc*, XcmsColorFormat *target\_format*, XcmsColor \**color\_return*);

Status XcmsQueryRed(XcmsCCC *ccc*, XcmsColorFormat *target\_format*, XcmsColor \**color\_return*);

Status XcmsQueryWhite(XcmsCCC *ccc*, XcmsColorFormat *target\_format*, XcmsColor \**color\_return*);

## ARGUMENTS

- *ccc*

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

- *color\_return*

  Returns the color specification in the specified target format for . The white point associated with the returned color specification is the Screen White Point. The value returned in the pixel member is undefined.

- *target\_format*

  Specifies the target color specification format.

## DESCRIPTION

The *XcmsQueryBlack* function returns the color specification in the specified target format for zero-intensity red, green, and blue.

The *XcmsQueryBlue* function returns the color specification in the specified target format for full-intensity blue while red and green are zero.

The *XcmsQueryGreen* function returns the color specification in the specified target format for full-intensity green while red and blue are zero.

The *XcmsQueryRed* function returns the color specification in the specified target format for full-intensity red while green and blue are zero.

The *XcmsQueryWhite* function returns the color specification in the specified target format for full-intensity red, green, and blue.

## SEE ALSO

XcmsCIELabQueryMaxC(3X11), XcmsCIELuvQueryMaxC(3X11), XcmsTekHVCQueryMaxC(3X11)\
 *Xlib - C Language X Interface*