XDrawPoints man page on BSDi

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XDrawPoint(3X11)	  XLIB FUNCTIONS	 XDrawPoint(3X11)

NAME
       XDrawPoint, XDrawPoints, XPoint - draw points and points
       structure

SYNTAX
       XDrawPoint(display, d, gc, x, y)
	     Display *display;
	     Drawable d;
	     GC gc;
	     int x, y;

       XDrawPoints(display, d, gc, points, npoints, mode)
	     Display *display;
	     Drawable d;
	     GC gc;
	     XPoint *points;
	     int npoints;
	     int mode;

ARGUMENTS
       d	 Specifies the drawable.

       display	Specifies the connection to the X server.

       gc	Specifies the GC.

       mode	Specifies the coordinate mode.	You can pass
		 CoordModeOrigin or CoordModePrevious.

       npoints	Specifies the number of points in the array.

       points	Specifies an array of points.

       x
       y	 Specify the x and y coordinates where you want
		 the point drawn.

DESCRIPTION
       The XDrawPoint function uses the foreground pixel and
       function components of the GC to draw a single point into
       the specified drawable; XDrawPoints draws multiple points
       this way.  CoordModeOrigin treats all coordinates as rela-
       tive to the origin, and CoordModePrevious treats all coor-
       dinates after the first as relative to the previous point.
       XDrawPoints draws the points in the order listed in the
       array.

       Both functions use these GC components: function, plane-
       mask, foreground, subwindow-mode, clip-x-origin, clip-y-
       origin, and clip-mask.

       XDrawPoint can generate BadDrawable, BadGC, and BadMatch
       errors.	XDrawPoints can generate BadDrawable, BadGC,
       BadMatch, and BadValue errors.

X Version 11		Release 6.4				1

XDrawPoint(3X11)	  XLIB FUNCTIONS	 XDrawPoint(3X11)

STRUCTURES
       The XPoint structure contains:

       typedef struct {
	    short x, y;
       } XPoint;

       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.

DIAGNOSTICS
       BadDrawable
		 A value for a Drawable argument does not name a
		 defined Window or Pixmap.

       BadGC	A value for a GContext argument does not name a
		 defined GContext.

       BadMatch An InputOnly window is used as a Drawable.

       BadMatch Some argument or pair of arguments has the cor-
		 rect type and range but fails to match in some
		 other way required by the request.

       BadValue Some numeric value falls outside the range of
		 values accepted by the request.  Unless a spe-
		 cific 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.

SEE ALSO
       XDrawArc(3X11), XDrawLine(3X11), XDrawRectangle(3X11)
       Xlib - C Language X Interface

X Version 11		Release 6.4				2

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