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+.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
+.\"
+.\" Permission is hereby granted, free of charge, to any person obtaining
+.\" a copy of this software and associated documentation files (the
+.\" "Software"), to deal in the Software without restriction, including
+.\" without limitation the rights to use, copy, modify, merge, publish,
+.\" distribute, sublicense, and/or sell copies of the Software, and to
+.\" permit persons to whom the Software is furnished to do so, subject to
+.\" the following conditions:
+.\"
+.\" The above copyright notice and this permission notice shall be included
+.\" in all copies or substantial portions of the Software.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
+.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+.\" OTHER DEALINGS IN THE SOFTWARE.
+.\"
+.\" Except as contained in this notice, the name of the X Consortium shall
+.\" not be used in advertising or otherwise to promote the sale, use or
+.\" other dealings in this Software without prior written authorization
+.\" from the X Consortium.
+.\"
+.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
+.\" Digital Equipment Corporation
+.\"
+.\" Portions Copyright \(co 1990, 1991 by
+.\" Tektronix, Inc.
+.\"
+.\" Permission to use, copy, modify and distribute this documentation for
+.\" any purpose and without fee is hereby granted, provided that the above
+.\" copyright notice appears in all copies and that both that copyright notice
+.\" and this permission notice appear in all copies, and that the names of
+.\" Digital and Tektronix not be used in in advertising or publicity pertaining
+.\" to this documentation without specific, written prior permission.
+.\" Digital and Tektronix makes no representations about the suitability
+.\" of this documentation for any purpose.
+.\" It is provided ``as is'' without express or implied warranty.
+.\" 
+.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
+.de Ds
+.nf
+.\\$1D \\$2 \\$1
+.ft 1
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+.\".if \\n(VS<=39 .vs \\n(VSp
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+.fi
+..
+.de FD
+.LP
+.KS
+.TA .5i 3i
+.ta .5i 3i
+.nf
+..
+.de FN
+.fi
+.KE
+.LP
+..
+.de IN		\" send an index entry to the stderr
+..
+.de C{
+.KS
+.nf
+.D
+.\"
+.\"	choose appropriate monospace font
+.\"	the imagen conditional, 480,
+.\"	may be changed to L if LB is too
+.\"	heavy for your eyes...
+.\"
+.ie "\\*(.T"480" .ft L
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+.		\" Note End -- doug kraft 3/85
+.de NE
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+..
+.ny0
+.TH XDrawLine 3X11 "Release 6.6" "X Version 11" "XLIB FUNCTIONS"
+.SH NAME
+XDrawLine, XDrawLines, XDrawSegments, XSegment \- draw lines, polygons, and line structure
+.SH SYNTAX
+XDrawLine\^(\^\fIdisplay\fP, \fId\fP\^, \fIgc\fP\^, \fIx1\fP\^, \fIy1\fP\^, \fIx2\fP\^, \fIy2\fP\^)
+.br
+      Display *\fIdisplay\fP\^;
+.br
+      Drawable \fId\fP\^;
+.br
+      GC \fIgc\fP\^;
+.br
+      int \fIx1\fP\^, \fIy1\fP\^, \fIx2\fP\^, \fIy2\fP\^;
+.LP
+XDrawLines\^(\^\fIdisplay\fP, \fId\fP\^, \fIgc\fP\^, \fIpoints\fP\^, \fInpoints\fP\^, \fImode\fP\^)
+.br
+      Display *\fIdisplay\fP\^;
+.br
+      Drawable \fId\fP\^;
+.br
+      GC \fIgc\fP\^;
+.br
+      XPoint *\fIpoints\fP\^;
+.br
+      int \fInpoints\fP\^;
+.br
+      int \fImode\fP\^; 
+.LP
+XDrawSegments\^(\^\fIdisplay\fP, \fId\fP\^, \fIgc\fP\^, \fIsegments\fP\^, \fInsegments\fP\^)
+.br
+      Display *\fIdisplay\fP\^;
+.br
+      Drawable \fId\fP\^;
+.br
+      GC \fIgc\fP\^;
+.br
+      XSegment *\fIsegments\fP\^;
+.br
+      int \fInsegments\fP\^;
+.SH ARGUMENTS
+.IP \fId\fP 1i
+Specifies the drawable. 
+.IP \fIdisplay\fP 1i
+Specifies the connection to the X server.
+.IP \fIgc\fP 1i
+Specifies the GC.
+.IP \fImode\fP 1i
+Specifies the coordinate mode. 
+You can pass
+.ZN CoordModeOrigin
+or
+.ZN CoordModePrevious .
+.IP \fInpoints\fP 1i
+Specifies the number of points in the array.
+.IP \fInsegments\fP 1i
+Specifies the number of segments in the array.
+.IP \fIpoints\fP 1i
+Specifies an array of points.
+.IP \fIsegments\fP 1i
+Specifies an array of segments.
+.IP \fIx1\fP 1i
+.br
+.ns
+.IP \fIy1\fP 1i
+.br
+.ns
+.IP \fIx2\fP 1i
+.br
+.ns
+.IP \fIy2\fP 1i
+Specify the points (x1, y1) and (x2, y2) to be connected.
+.SH DESCRIPTION
+The
+.ZN XDrawLine
+function uses the components of the specified GC to
+draw a line between the specified set of points (x1, y1) and (x2, y2).
+It does not perform joining at coincident endpoints.
+For any given line, 
+.ZN XDrawLine 
+does not draw a pixel more than once.
+If lines intersect, the intersecting pixels are drawn multiple times.  
+.LP
+The
+.ZN XDrawLines
+function uses the components of the specified GC to draw 
+npoints\-1 lines between each pair of points (point[i], point[i+1]) 
+in the array of
+.ZN XPoint
+structures.
+It draws the lines in the order listed in the array.
+The lines join correctly at all intermediate points, and if the first and last
+points coincide, the first and last lines also join correctly.
+For any given line, 
+.ZN XDrawLines
+does not draw a pixel more than once.
+If thin (zero line-width) lines intersect, 
+the intersecting pixels are drawn multiple times.
+If wide lines intersect, the intersecting pixels are drawn only once, as though
+the entire 
+.ZN PolyLine 
+protocol request were a single, filled shape.
+.ZN CoordModeOrigin
+treats all coordinates as relative to the origin,
+and
+.ZN CoordModePrevious
+treats all coordinates after the first as relative to the previous point.
+.LP
+The
+.ZN XDrawSegments 
+function draws multiple, unconnected lines. 
+For each segment, 
+.ZN XDrawSegments 
+draws a
+line between (x1, y1) and (x2, y2).
+It draws the lines in the order listed in the array of
+.ZN XSegment
+structures and does not perform joining at coincident endpoints.
+For any given line, 
+.ZN XDrawSegments
+does not draw a pixel more than once.  
+If lines intersect, the intersecting pixels are drawn multiple times.  
+.LP
+All three functions use these GC components:
+function, plane-mask, line-width,
+line-style, cap-style, fill-style, subwindow-mode,
+clip-x-origin, clip-y-origin, and clip-mask.
+The
+.ZN XDrawLines
+function also uses the join-style GC component.
+All three functions 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 XDrawLine ,
+.ZN XDrawLines ,
+and
+.ZN XDrawSegments
+can generate
+.ZN BadDrawable ,
+.ZN BadGC ,
+and
+.ZN BadMatch 
+errors.
+.ZN XDrawLines
+can also generate a
+.ZN BadValue 
+error.
+.SH STRUCTURES
+The
+.ZN XSegment
+structure contains:
+.LP
+.Ds 0
+.TA .5i
+.ta .5i
+typedef struct {
+	short x1, y1, x2, y2;
+} XSegment;
+.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
+.TP 1i
+.ZN BadDrawable
+A value for a Drawable argument does not name a defined Window or Pixmap.
+.TP 1i
+.ZN BadGC
+A value for a GContext argument does not name a defined GContext.
+.TP 1i
+.ZN BadMatch
+An
+.ZN InputOnly
+window is used as a Drawable.
+.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.
+.TP 1i
+.ZN BadValue
+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.
+.SH "SEE ALSO"
+XDrawArc(3X11),
+XDrawPoint(3X11),
+XDrawRectangle(3X11)
+.br
+\fI\*(xL\fP