static char RCSid[] = "$Id: SPlot.c,v 1.0 91/08/22 15:33:43 gnb Exp $"; /* * $Source: /export/data/sources/x/At/Plotter/RCS/SPlot.c,v $ * * $Log: SPlot.c,v $ * Revision 1.0 91/08/22 15:33:43 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. */ /* * The AtSPlot object is simply a holder for some resources to allow * access to dataitems that are elements of a structure. */ #include #include #include #ifdef _AtDevelopment_ #include "SPlotP.h" #else #include #endif #ifndef AtSPlotGetValue double AtSPlotGetValue P((AtSPlotWidget p, Cardinal i)); double AtSPlotGetValue(p, i) AtSPlotWidget p; Cardinal i; { XtPointer ptr = _sp_ptr(p, i); double ret = ((p)->splot.type == AtDouble ? *((double *)ptr) : (p)->splot.type == AtFloat ? (double)*((float *)ptr) : (p)->splot.type == AtInt ? (double)*((int *)ptr) : 0.0); return ret; } #endif static void SPlotDestroy P((AtSPlotWidget)); static void SPlotClassPartInit P((WidgetClass)); static void SPlotInit P((AtSPlotWidget, AtSPlotWidget)); AtSPlotClassRec atSPlotClassRec = { { /* core fields */ /* superclass */ (WidgetClass) &atPlotClassRec, /* class_name */ "AtSPlot", /* widget_size */ sizeof(AtSPlotRec), /* class_initialize */ NULL, /* class_part_initialize */ SPlotClassPartInit, /* class_inited */ FALSE, /* initialize */ (XtInitProc) SPlotInit, /* initialize_hook */ NULL, /* pad */ NULL, /* pad */ NULL, /* pad */ 0, /* resources */ NULL, /* num_resources */ 0, /* xrm_class */ NULLQUARK, /* pad */ FALSE, /* pad */ FALSE, /* pad */ FALSE, /* pad */ FALSE, /* destroy */ (XtWidgetProc) SPlotDestroy, /* pad */ NULL, /* pad */ NULL, /* set_values */ NULL, /* set_values_hook */ NULL, /* pad */ NULL, /* get_values_hook */ NULL, /* pad */ NULL, /* version */ XtVersion, /* callback_private */ NULL, /* pad */ NULL, /* pad */ NULL, /* pad */ NULL, /* pad */ NULL }, { /* atPlot fields */ /* draw */ NULL, /* draw_icon */ NULL, /* drawPS */ NULL, /* draw_iconPS */ NULL, /* recalc */ NULL }, { /* sPlot fields */ /* attach_data */ NULL } }; WidgetClass atSPlotWidgetClass = (WidgetClass)&atSPlotClassRec; static void SPlotInit(req, new) AtSPlotWidget req, new; { AtSPlotPart *sr = &new->splot; sr->data = NULL; sr->stride = sr->start = sr->num_points = sr->old_num_points = 0; sr->type = AtInt; sr->pix = sr->old_pix = NULL; } static void SPlotDestroy(sp) AtSPlotWidget sp; { XtFree(sp->splot.pix); XtFree(sp->splot.old_pix); } static void SPlotClassPartInit(wc) WidgetClass wc; { AtSPlotWidgetClass super = (AtSPlotWidgetClass) wc->core_class.superclass; AtSPlotWidgetClass spc = (AtSPlotWidgetClass) wc; if (spc->splot_class.attach_data == XtInheritAttachData) { spc->splot_class.attach_data = super->splot_class.attach_data; } *RCSid = *RCSid; /* keep gcc quiet */ } #ifndef HUGE_VAL #define HUGE_VAL HUGE #endif /* HUGE_VAL */ /***************************************************************** * * These are the exported "member" routines */ void AtSPlotAttachData(spw, data, type, stride, start, num) AtSPlotWidget spw; XtPointer data; AtDataType type; Cardinal stride, start, num; { BoundingBox bb; AtSPlotAttachProc adp; int i; XtCheckSubclass((Widget)spw, atSPlotWidgetClass, "AtSPlotAttachData needs an AtSPlot object"); if (spw->plot.fast_update) { /* Save a copy of the current pix data and request a refresh */ if (spw->splot.old_pix) { /* Is this an error???? */ #ifdef DEBUG fprintf(stderr, "In AtSPlotAttachData - old pix still current!\n"); #endif XtFree((char *)spw->splot.old_pix); } spw->splot.old_pix = spw->splot.pix; spw->splot.old_num_points = spw->splot.num_points; } else if (spw->splot.pix) XtFree((char *)spw->splot.pix); spw->splot.num_points = num; spw->splot.data = data; spw->splot.type = type; spw->splot.stride = stride; spw->splot.start = start; bb.xmax = spw->splot.start + spw->splot.num_points - 1; bb.xmin = spw->splot.start; bb.ymax = -HUGE_VAL; bb.ymin = HUGE_VAL; for (i = 0; i < spw->splot.num_points; i++) { register double v = AtSPlotGetValue(spw, i); bb.ymax = Max(bb.ymax, v); bb.ymin = Min(bb.ymin, v); } if (adp = ((AtSPlotWidgetClass) spw->object.widget_class)->splot_class.attach_data) { adp(spw, &bb, False); } AtPlotterPlotDataChanged((AtPlotWidget)spw, &bb, spw->plot.fast_update); } /* * We have added some more data, num is the new total * Data runs from 0 .. num-1, where x value of first is start. */ void AtSPlotExtendData(spw, num) AtSPlotWidget spw; Cardinal num; { BoundingBox bb; AtSPlotAttachProc adp; int i; int old_num = spw->splot.num_points; XtCheckSubclass((Widget)spw, atSPlotWidgetClass, "AtSPlotExtendData needs an AtSPlot object"); bb.xmax = spw->splot.start + num - 1; bb.xmin = spw->splot.start + old_num; bb.ymax = -HUGE_VAL; bb.ymin = HUGE_VAL; /* Get the BBox for THE NEW STUFF ONLY */ for (i = old_num; i < num; i++) { register double v = AtSPlotGetValue(spw, i); bb.ymax = Max(bb.ymax, v); bb.ymin = Min(bb.ymin, v); } spw->splot.num_points = num; if (adp = ((AtSPlotWidgetClass) spw->object.widget_class)->splot_class.attach_data) { adp(spw, &bb, True); } AtPlotterPlotExtended((AtPlotWidget)spw, &bb, old_num, num - 1); }