.ds xT X Toolkit Intrinsics \- C Language Interface
.ds xW Athena X Widgets \- C Language X Toolkit Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
.na
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.TH XDrawRectangle 3X11 "Release 5" "X Version 11" "XLIB FUNCTIONS"
.SH NAME
XDrawRectangle, XDrawRectangles, XRectangle \- draw rectangles and rectangles structure
.SH SYNTAX
.\" $Header: XRectangle.f,v 1.1 88/02/26 10:02:37 mento Exp $
XDrawRectangle\^(\^\fIdisplay\fP, \fId\fP\^, \fIgc\fP\^, \fIx\fP\^, \fIy\fP\^, \fIwidth\fP\^, \fIheight\fP\^)
.br
      Display *\fIdisplay\fP\^;
.br
      Drawable \fId\fP\^;
.br
      GC \fIgc\fP\^;
.br
      int \fIx\fP\^, \fIy\fP\^;
.br
      unsigned int \fIwidth\fP\^, \fIheight\fP\^;
.LP
.\" $Header: XRectangles.f,v 1.1 88/02/26 10:02:38 mento Exp $
XDrawRectangles\^(\^\fIdisplay\fP, \fId\fP\^, \fIgc\fP\^, \fIrectangles\fP\^, \fInrectangles\fP\^)
.br
      Display *\fIdisplay\fP\^;
.br
      Drawable \fId\fP\^;
.br
      GC \fIgc\fP\^;
.br
      XRectangle \fIrectangles\fP\^[\^]\^;
.br
      int \fInrectangles\fP\^;
.SH ARGUMENTS
.\" $Header: d.a,v 1.1 88/02/26 10:04:25 mento Exp $
.IP \fId\fP 1i
Specifies the drawable. 
.\" $Header: display.a,v 1.1 88/02/26 10:26:29 mento Exp $
.IP \fIdisplay\fP 1i
Specifies the connection to the X server.
.\" $Header: gc.a,v 1.2 88/05/09 11:20:34 mento Exp $
.IP \fIgc\fP 1i
Specifies the GC.
.\" $Header: nrectangles.a,v 1.1 88/02/26 10:29:47 mento Exp $
.IP \fInrectangles\fP 1i
Specifies the number of rectangles in the array.
.\" $Header: rectangles.a,v 1.1 88/02/26 10:30:50 mento Exp $
.IP \fIrectangles\fP 1i
Specifies an array of rectangles.
.ds Wh , which specify the dimensions of the rectangle
.\" $Header: w+h_gen.a,v 1.2 88/08/04 11:21:28 mento Exp $
.IP \fIwidth\fP 1i
.br
.ns
.IP \fIheight\fP 1i
Specify the width and height\*(Wh.
.ds Xy , which specify the upper-left corner of the rectangle
.\" $Header: xy_gen.a,v 1.2 88/08/04 11:22:37 mento Exp $
.IP \fIx\fP 1i
.br
.ns
.IP \fIy\fP 1i
Specify the x and y coordinates\*(Xy.
.SH DESCRIPTION
.\" $Header: XRectangle.d,v 1.4 88/06/11 07:52:48 mento Exp $
The
.ZN XDrawRectangle
and
.ZN XDrawRectangles
functions draw the outlines of the specified rectangle or rectangles as
if a five-point 
.ZN PolyLine 
protocol request were specified for each rectangle:
.IP
[x,y] [x+width,y] [x+width,y+height] [x,y+height] [x,y]
.LP 
For the specified rectangle or rectangles, 
these functions do not draw a pixel more than once.
.ZN XDrawRectangles
draws the rectangles in the order listed in the array.
If rectangles intersect,
the intersecting pixels are drawn multiple times.
.LP
Both functions use these GC components: 
function, plane-mask, line-width,
line-style, cap-style, join-style, fill-style, 
subwindow-mode, clip-x-origin, clip-y-origin, and clip-mask.
They also use these GC mode-dependent components: 
foreground, background, tile, stipple, tile-stipple-x-origin, 
tile-stipple-y-origin, dash-offset, and dash-list.
.LP
.ZN XDrawRectangle
and
.ZN XDrawRectangles
can generate
.ZN BadDrawable ,
.ZN BadGC ,
and
.ZN BadMatch 
errors.
.SH STRUCTURES
The
.ZN XRectangle
structure contains:
.LP
.Ds 0
.TA .5i
.ta .5i
typedef struct {
	short x, y;
	unsigned short width, height;
} XRectangle;
.De
.LP
All x and y members are signed integers.
The width and height members are 16-bit unsigned integers.
You should be careful not to generate coordinates and sizes
out of the 16-bit ranges, because the protocol only has 16-bit fields
for these values.
.SH DIAGNOSTICS
.\" $Header: baddrawable.e,v 1.1 87/09/04 08:22:59 mento Exp $
.TP 1i
.ZN BadDrawable
A value for a Drawable argument does not name a defined Window or Pixmap.
.\" $Header: badgc.e,v 1.1 87/09/04 08:23:02 mento Locked $
.TP 1i
.ZN BadGC
A value for a GContext argument does not name a defined GContext.
.\" $Header: badmatch1.e,v 1.3 87/09/09 18:18:54 mento Exp $
.TP 1i
.ZN BadMatch
An
.ZN InputOnly
window is used as a Drawable.
.\" $Header: badmatch2.e,v 1.3 87/09/11 11:53:42 mento Exp $
.TP 1i
.ZN BadMatch
Some argument or pair of arguments has the correct type and range but fails
to match in some other way required by the request.
.SH "SEE ALSO"
XDrawArc(3X11),
XDrawLine(3X11),
XDrawPoint(3X11)
.br
\fI\*(xL\fP