NAME
XSetBackground — set the background pixel value in a graphics context.
SYNOPSIS
XSetBackground(display, gc, background) Display ∗display; GC gc; unsigned long background;
ARGUMENTS
displaySpecifies a connection to an X server; returned from XOpenDisplay().
gcSpecifies the graphics context.
background
Specifies the background component of the GC.
DESCRIPTION
XSetBackground() sets the background pixel value component of a GC. Note that this is different from the background of a window, which can be set with either XSetWindowBackground() or XSetWindowBackgroundPixmap().
The specified pixel value must be returned by BlackPixel(), WhitePixel(), or one of the routines that allocate colors.
ERRORS
BadAlloc
BadGC
SEE ALSO
XDefaultGC(), XChangeGC(), XCopyGC(), XCreateGC(), XFreeGC(), XGContextFromGC(), XSetArcMode(), XSetClipMask(), XSetClipOrigin(), XSetClipRectangles(), XSetDashes(), XSetFillRule(), XSetFillStyle(), XSetForeground(), XSetFunction(), XSetGraphicsExposures(), XSetLineAttributes(), XSetPlaneMask(), XSetState(), XSetStipple(), XSetSubwindowMode(), XSetTSOrigin().
Xlib Reference Manual