bionic (3) XcupGetReservedColormapEntries.3.gz

Provided by: libxext-dev_1.3.3-1_amd64 bug

NAME

       XcupGetReservedColormapEntries - list colormap entries reserved by the system

SYNOPSIS

       cc [ flag ... ] file ... -lXext [ library ... ]
       #include <X11/extensions/Xcup.h>

       Status XcupGetReservedColormapEntries(Display *display,
              int screen, XColor **colors_out, int *ncolors);

ARGUMENTS

       display   Specifies the connection to the X server.

       screen    Screen number on the host server.

       colors_out
                 Returns the values reserved by the server.

       ncolors   Returns the number of items in colors_out.

DESCRIPTION

       The XcupGetReservedColormapEntries function returns a list of colormap entries (pixels) that are reserved
       by the system. This list will, at a minimum, contain entries for the BlackPixel  and  WhitePixel  of  the
       specified screen. Use XFree to free colors_out.

       To  minimize  colormap  flash,  an  application  which installs its own private colormap should query the
       special colors by calling XCupGetReservedColormapEntries, and can then store those entries (in the proper
       location) in its private colormap using XCupStoreColors.

SEE ALSO

       XcupQueryVersion(3Xext), XcupStoreColors(3Xext), XFree(3X11),
       Colormap Utilization Policy and Extension