XcmsQueryBlack()XcmsQueryBlack()Name
XcmsQueryBlack – obtain a color specification for screen black.
Synopsis
Status XcmsQueryBlack(ccc, target_format, color_return)
XcmsCCC ccc;
XcmsColorFormat target_format;
XcmsColor *color_return;
Arguments
ccc Specifies the color conversion context. Note that the CCC's
Client White Point and White Point Adjustment procedures are
ignored.
target_format
Specifies the target color specification format.
color_return
Returns the color specification in the specified target for‐
mat. The white point associated with the returned color
specification is the Screen White Point. The value returned
in the pixel member is undefined.
Returns
Zero on failure, non-zero on success.
Availability
Release 5 and later.
Description
The XcmsQueryBlack() function returns the color specification in the
format specified by target_format for screen black (i.e., zero inten‐
sity red, green, and blue on the target Screen).
Structures
The XcmsColor and XcmsColorFormat structures are shown on the XcmsColor
reference page.
See AlsoXcmsQueryBlue(), XcmsQueryGreen(), XcmsQueryRed(), XcmsQueryWhite().
Xlib - Device-independent Color XcmsQueryBlack()