/*
 * $Id: SPlotP.h,v 1.0 91/08/22 15:34:07 gnb Exp $ 
 * $Source: /export/data/sources/x/At/Plotter/RCS/SPlotP.h,v $
 * 
 * $Log:	SPlotP.h,v $
 * Revision 1.0  91/08/22  15:34:07  gnb
 * Initial revision
 * 
 * 
 */

/*

Copyright 1991 by Burdett, Buckeridge & Young Ltd.

All rights reserved.

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Burdett, Buckeridge &
Young Ltd. (BBY) not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior
permission.

BBY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
BBY BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

*/
/*
 * Another pseudo class that sits between AtPlot and the line and bar
 * plots.  It provides all the resources required to access the data
 * using the elements of the structure.
 */

#ifndef _AtSPlotP_h
#define _AtSPlotP_h

#ifdef _AtDevelopment_
#include "PlotP.h"
#include "SPlot.h"
#else
#include <At/PlotP.h>
#include <At/SPlot.h>
#endif

typedef void (*AtSPlotAttachProc) P((AtSPlotWidget, BoundingBox *, int)); 

typedef struct {
     AtSPlotAttachProc attach_data; 
} AtSPlotClassPart;

#define XtInheritAttachData ((AtSPlotAttachProc) _XtInherit)

typedef struct _AtSPlotClassRec {
     ObjectClassPart	object_class;
     AtPlotClassPart	plot_class; 
     AtSPlotClassPart	splot_class;
} AtSPlotClassRec;

extern AtSPlotClassRec atSPlotClassRec;

typedef struct {
     /* Private State */
     XtPointer	data;
     AtDataType	type;
     Cardinal	stride;
     Cardinal	start;
     /* The pointer to (one part of) the pixel data */
     Cardinal	num_points;
     XtPointer  pix;
     /* The pointer to the previous pixel data for use in fast_update mode */
     Cardinal	old_num_points; 
     XtPointer  old_pix;
} AtSPlotPart;

typedef struct _AtSPlotRec {
     ObjectPart		object;
     AtPlotPart		plot;
     AtSPlotPart	splot;
} AtSPlotRec;

#endif /* _AtSPlotP_h */