XClearArea
NAME
XClearArea, XClearWindow - clear area or window
SYNTAX
int XClearArea\^(\^Display *display\^, Window w\^, int x\^,
int y\^, unsigned width\^, unsigned height\^,
Bool exposures\^);
int XClearWindow\^(\^Display *display\^, Window w\^);
ARGUMENTS
display
Specifies the connection to the X server.
exposures
Specifies a Boolean value that indicates if
events are to be generated.
w
Specifies the window.
width
height
Specify the width and height.
x
y
Specify the x and y coordinates.
DESCRIPTION
The
function paints a rectangular area in the specified window according to the
specified dimensions with the window's background pixel or pixmap.
The subwindow-mode effectively is
If width is zero, it
is replaced with the current width of the window minus x.
If height is
zero, it is replaced with the current height of the window minus y.
If the window has a defined background tile,
the rectangle clipped by any children is filled with this tile.
If the window has
background
the contents of the window are not changed.
In either
case, if exposures is
one or more
events are generated for regions of the rectangle that are either visible or are
being retained in a backing store.
If you specify a window whose class is
a
error results.
can generate
and
errors.
The
function clears the entire area in the specified window and is
equivalent to
(display, w, 0, 0, 0, 0,
If the window has a defined background tile, the rectangle is tiled with a
plane-mask of all ones and
function.
If the window has
background
the contents of the window are not changed.
If you specify a window whose class is
a
error results.
can generate
and
errors.
DIAGNOSTICS
An
window is used as a Drawable.
Some numeric value falls outside the range of values accepted by the request.
Unless a specific range is specified for an argument, the full range defined
by the argument's type is accepted. Any argument defined as a set of
alternatives can generate this error.
A value for a Window argument does not name a defined Window.
SEE ALSO
XCopyArea(3X11)
