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StripGraph.c
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StripGraph.c
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/*************************************************************************\
* Copyright (c) 1994-2004 The University of Chicago, as Operator of Argonne
* National Laboratory.
* Copyright (c) 1997-2003 Southeastern Universities Research Association,
* as Operator of Thomas Jefferson National Accelerator Facility.
* Copyright (c) 1997-2002 Deutches Elektronen-Synchrotron in der Helmholtz-
* Gemelnschaft (DESY).
* This file is distributed subject to a Software License Agreement found
* in the file LICENSE that is included with this distribution.
\*************************************************************************/
extern long radioBoxAlgorithm; /* Albert */
extern char **algorithmString;
extern int algorithmLength;
#ifdef QUANTIFY_PRECISE
# include <quantify.h>
#endif
#include <X11/Xlib.h>
#include <Xm/Xm.h>
#include <Xm/DrawingA.h>
#include <Xm/PushB.h>
#include <Xm/Label.h>
#include <Xm/Form.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef WIN32
/* WIN32 does not have unistd.h */
/* In MSVC timeval is in winsock.h, winsock2.h, ws2spi.h, nowhere else */
#else
#include <unistd.h>
#include <sys/time.h>
#endif
#include "FastLabel.h"
#include "jlAxis.h"
#include "jlLegend.h"
#include "StripGraph.h"
#include "StripDefines.h"
#include "StripMisc.h"
#include "StripDataSource.h" /* Albert */
#include "Annotation.h"
#define SG_DUMP_MATRIX_FIELDWIDTH 30
#define SG_DUMP_MATRIX_NUMWIDTH 20
#define SG_DUMP_MATRIX_BADVALUESTR "???"
#define LEGEND_OFFSET 5
extern int auto_scaleTriger; /* Albert */
#ifdef STRIP_HISTORY
extern int arch_flag ; /* Albert */
#endif
#if 0
/* KE: unused */
static char *SGComponentStr[SGCOMP_COUNT] =
{
"X-Axis",
"Y-Axis",
"Legend",
"Data",
"Title",
"Grid"
};
#endif
/* StripGraphInfo
*
* This is the graph object.
*/
typedef struct
{
/* === X Stuff === */
Widget parent, canvas, msg_lbl, loc_lbl;
Widget x_axis, y_axis, legend, title_lbl;
Display *display;
Window window;
GC gc;
Pixmap pixmap;
Pixmap plotpix;
int screen;
/* === time stuff === */
struct timeval t0, t1;
struct timeval plotted_t0, plotted_t1;
/* === raster info ==== */
double db; /* bin width */
double b_min, b_max; /* min / max bin start values */
double dl; /* interval width (real) */
struct timeval dt; /* interval width (time) */
/* === layout info === */
XRectangle window_rect;
/* === graph components === */
StripConfig *config;
StripCurveInfo *curves[STRIP_MAX_CURVES];
jlaTransformInfo transforms[STRIP_MAX_CURVES];
LegendItem lgitems[STRIP_MAX_CURVES];
StripCurveInfo *selected_curve;
StripDataSource data;
XPoint loc_xy; /* (x,y) of pointer position */
struct _grid
{
XSegment h_seg[AXIS_MAX_TICS+1];
XSegment v_seg[AXIS_MAX_TICS+1];
} grid;
char *title;
unsigned draw_mask;
unsigned status;
void *annotation_info;
void *user_data;
}
StripGraphInfo;
/* sgTransformYData / sgTransformXData
*
* Contains useful information for the transform functions
* invoked by StripDataSource_render.
*/
typedef struct
{
jlaTransformInfo *xform;
StripGraphInfo *sgi;
StripCurveInfo *curve;
} sgTransformYData;
typedef struct
{
double t0;
double db;
} sgTransformXData;
/* prototypes for internal static functions */
static void StripGraph_manage_geometry (StripGraphInfo *);
static void StripGraph_plotdata (StripGraphInfo *);
static void StripGraph_update_loc_lbl (StripGraphInfo *sgi);
static void callback (Widget, XtPointer, XtPointer);
static void crossing_event_handler (Widget,
XtPointer,
XCrossingEvent *,
Boolean *);
static void motion_event_handler (Widget,
XtPointer,
XMotionEvent *,
Boolean *);
static void y_transform (void *,
double *,
double *,
int);
static void x_transform (void *,
double *,
double *,
int);
/* static variables */
static struct timeval tv;
static struct timeval *ptv;
/*
* StripGraph_init
*/
StripGraph StripGraph_init (Widget parent,
StripConfig *cfg)
{
StripGraphInfo *sgi;
int i;
if ((sgi = (StripGraphInfo *)malloc (sizeof(StripGraphInfo))) != NULL)
{
/* create the widgets */
sgi->y_axis = XtVaCreateManagedWidget
("yAxis",
axisWidgetClass, parent,
XmNbackground, cfg->Color.background.xcolor.pixel,
XmNforeground, cfg->Color.foreground.xcolor.pixel,
XjNtextColor, cfg->Color.foreground.xcolor.pixel,
XmNtopAttachment, XmATTACH_FORM,
XmNleftAttachment, XmATTACH_FORM,
XmNrightAttachment, XmATTACH_NONE,
XmNbottomAttachment, XmATTACH_FORM,
NULL);
sgi->legend = XtVaCreateManagedWidget
("legend",
legendWidgetClass, parent,
XmNbackground, cfg->Color.background.xcolor.pixel,
XmNforeground, cfg->Color.foreground.xcolor.pixel,
XmNtopAttachment, XmATTACH_FORM,
XmNleftAttachment, XmATTACH_NONE,
XmNrightAttachment, XmATTACH_FORM,
XmNbottomAttachment, XmATTACH_FORM,
NULL);
XtAddCallback (sgi->legend, XjNchooseCallback, callback, sgi);
sgi->title_lbl = XtVaCreateManagedWidget
("titleLabel",
xmLabelWidgetClass, parent,
XmNbackground, cfg->Color.background.xcolor.pixel,
XmNforeground, cfg->Color.foreground.xcolor.pixel,
XmNtopAttachment, XmATTACH_FORM,
XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, sgi->y_axis,
XmNrightAttachment, XmATTACH_WIDGET,
XmNrightWidget, sgi->legend,
XmNbottomAttachment, XmATTACH_NONE,
NULL);
sgi->x_axis = XtVaCreateManagedWidget
("xAxis",
axisWidgetClass, parent,
XmNbackground, cfg->Color.background.xcolor.pixel,
XmNforeground, cfg->Color.foreground.xcolor.pixel,
XjNtextColor, cfg->Color.foreground.xcolor.pixel,
XmNtopAttachment, XmATTACH_NONE,
XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, sgi->y_axis,
XmNrightAttachment, XmATTACH_WIDGET,
XmNrightWidget, sgi->legend,
XmNrightOffset, LEGEND_OFFSET,
XmNbottomAttachment, XmATTACH_FORM,
NULL);
sgi->canvas = XtVaCreateManagedWidget
("canvas",
xmDrawingAreaWidgetClass, parent,
XmNtopAttachment, XmATTACH_WIDGET,
XmNtopWidget, sgi->title_lbl,
XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, sgi->y_axis,
XmNrightAttachment, XmATTACH_WIDGET,
XmNrightWidget, sgi->legend,
XmNrightOffset, LEGEND_OFFSET,
XmNbottomAttachment, XmATTACH_WIDGET,
XmNbottomWidget, sgi->x_axis,
NULL);
sgi->loc_lbl = XtVaCreateManagedWidget
("locationLabel",
xgFastLabelWidgetClass, parent,
XmNmappedWhenManaged, False,
XmNbackground, cfg->Color.background.xcolor.pixel,
XmNforeground, cfg->Color.foreground.xcolor.pixel,
XmNtopAttachment, XmATTACH_NONE,
XmNleftAttachment, XmATTACH_FORM,
XmNrightAttachment, XmATTACH_NONE,
XmNbottomAttachment, XmATTACH_FORM,
NULL);
sgi->msg_lbl = XtVaCreateWidget /* unmanaged */
("messageLabel",
xmLabelWidgetClass, parent,
XmNtopAttachment, XmATTACH_WIDGET,
XmNtopWidget, sgi->title_lbl,
XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, sgi->y_axis,
XmNrightAttachment, XmATTACH_WIDGET,
XmNrightWidget, sgi->legend,
XmNrightOffset, LEGEND_OFFSET,
XmNbottomAttachment, XmATTACH_WIDGET,
XmNbottomWidget, sgi->x_axis,
NULL);
XtAddCallback (sgi->canvas, XmNresizeCallback, callback, sgi);
XtAddCallback (sgi->canvas, XmNexposeCallback, callback, sgi);
/* add event handlers to track pointer */
XtAddEventHandler
(sgi->canvas, EnterWindowMask | LeaveWindowMask, False,
(XtEventHandler)crossing_event_handler,
(XtPointer)sgi);
XtAddEventHandler
(sgi->canvas, PointerMotionMask, False,
(XtEventHandler)motion_event_handler,
(XtPointer)sgi);
/* initializations */
sgi->parent = parent;
sgi->display = XtDisplay (parent);
sgi->window = XtWindow (sgi->canvas);
sgi->gc = XCreateGC (sgi->display, sgi->window, 0, 0);
sgi->screen = DefaultScreen (sgi->display);
/* zero out these fields which are determined by calling Strip_resize */
sgi->pixmap = 0;
sgi->plotpix = 0;
/* default values */
sgi->title = 0;
/* other initializations */
sgi->data = 0;
sgi->config = cfg;
for (i = 0; i < STRIP_MAX_CURVES; i++) sgi->curves[i] = 0;
sgi->selected_curve = 0;
get_current_time (&sgi->t1);
dbl2time (&tv, sgi->config->Time.timespan);
subtract_times (&sgi->t0, &tv, &sgi->t1);
sgi->plotted_t0.tv_sec = 0;
sgi->plotted_t0.tv_usec = 0;
sgi->plotted_t1.tv_sec = 0;
sgi->plotted_t1.tv_usec = 0;
/* default area is entire window */
sgi->window_rect.x = 0;
sgi->window_rect.y = 0;
sgi->draw_mask = SGCOMPMASK_ALL;
sgi->status = SGSTAT_GRAPH_REFRESH;
sgi->annotation_info = NULL;
sgi->user_data = NULL;
}
return (StripGraph)sgi;
}
/*
* StripGraph_delete
*/
void StripGraph_delete (StripGraph the_graph)
{
StripGraphInfo *sgi = (StripGraphInfo *)the_graph;
if (sgi->plotpix) XFreePixmap (sgi->display, sgi->plotpix);
if (sgi->pixmap) XFreePixmap (sgi->display, sgi->pixmap);
if (sgi->gc) XFreeGC (sgi->display, sgi->gc);
free (sgi);
}
/*
* StripGraph_setattr
*/
int StripGraph_setattr (StripGraph the_sgi, ...)
{
va_list ap;
StripGraphInfo *sgi = (StripGraphInfo *)the_sgi;
int attrib;
int ret_val = 1;
XmString xstr;
va_start (ap, the_sgi);
for (attrib = va_arg (ap, StripGraphAttribute);
(attrib != 0);
attrib = va_arg (ap, StripGraphAttribute))
{
if ((ret_val = ((attrib > 0) && (attrib < STRIPGRAPH_LAST_ATTRIBUTE))))
switch (attrib)
{
case STRIPGRAPH_HEADING:
#ifdef USE_AAPI/*only under AAPI it's possible choose reduction algorithms*/
if((radioBoxAlgorithm >=0) && (radioBoxAlgorithm <algorithmLength))
{
tmpPt=va_arg (ap, char *);
strcpy(&tmp[0],tmpPt);
strcat(tmp," (");
strcat(tmp,algorithmString[radioBoxAlgorithm]);
strcat(tmp,")");
sgi->title=tmp;
}
else
#endif /* USE_AAPI */
sgi->title = va_arg (ap, char *);
xstr = XmStringCreateLocalized (sgi->title? sgi->title : "");
XtVaSetValues (sgi->title_lbl, XmNlabelString, xstr, NULL);
XmStringFree (xstr);
break;
case STRIPGRAPH_DATA_SOURCE:
sgi->data = va_arg (ap, StripDataSource);
break;
case STRIPGRAPH_BEGIN_TIME:
ptv = va_arg (ap, struct timeval *);
sgi->t0.tv_sec = ptv->tv_sec;
sgi->t0.tv_usec = ptv->tv_usec;
break;
case STRIPGRAPH_END_TIME:
ptv = va_arg (ap, struct timeval *);
sgi->t1.tv_sec = ptv->tv_sec;
sgi->t1.tv_usec = ptv->tv_usec;
break;
case STRIPGRAPH_ANNOTATION_INFO:
sgi->annotation_info = va_arg (ap, char *);
break;
case STRIPGRAPH_USER_DATA:
sgi->user_data = va_arg (ap, char *);
break;
}
}
va_end (ap);
return ret_val;
}
/*
* StripGraph_getattr
*/
int StripGraph_getattr (StripGraph the_sgi, ...)
{
va_list ap;
StripGraphInfo *sgi = (StripGraphInfo *)the_sgi;
int attrib;
int ret_val = 1;
va_start (ap, the_sgi);
for (attrib = va_arg (ap, StripGraphAttribute);
(attrib != 0);
attrib = va_arg (ap, StripGraphAttribute))
{
if ((ret_val = ((attrib > 0) && (attrib < STRIPGRAPH_LAST_ATTRIBUTE))))
switch (attrib)
{
case STRIPGRAPH_WIDGET:
*(va_arg (ap, Widget *)) = sgi->canvas;
break;
case STRIPGRAPH_HEADING:
*(va_arg (ap, char **)) = sgi->title;
break;
case STRIPGRAPH_DATA_SOURCE:
*(va_arg (ap, StripDataSource *)) = sgi->data;
break;
case STRIPGRAPH_BEGIN_TIME:
*(va_arg (ap, struct timeval *)) = sgi->t0;
break;
case STRIPGRAPH_END_TIME:
*(va_arg (ap, struct timeval *)) = sgi->t1;
break;
case STRIPGRAPH_USER_DATA:
*(va_arg (ap, char **)) = (char *)sgi->user_data;
break;
case STRIPGRAPH_SELECTED_CURVE:
*(va_arg (ap, StripCurveInfo **)) = sgi->selected_curve;
break;
}
}
va_end (ap);
return ret_val;
}
static void StripGraph_manage_geometry (StripGraphInfo *sgi)
{
AxisEndpointPosition minpos, maxpos;
Dimension w, h;
Position x, y, xx, yy;
/* get dimensions and location of graph window */
XtVaGetValues
(sgi->canvas,
XmNwidth, &w,
XmNheight, &h,
XmNx, &x,
XmNy, &y,
NULL);
sgi->window_rect.width = w;
sgi->window_rect.height = h;
/* reset x axis endpoints */
XtVaGetValues
(sgi->x_axis,
XmNx, &xx,
XmNwidth, &w,
NULL);
minpos = x + sgi->window_rect.x - xx;
maxpos = minpos + sgi->window_rect.width - 1;
XtVaSetValues
(sgi->x_axis,
XjNminPos, minpos,
XjNmaxPos, maxpos,
NULL);
/* reset y axis endpoints */
XtVaGetValues
(sgi->y_axis,
XmNy, &yy,
XmNheight, &h,
NULL);
minpos = (yy + h) - (y + sgi->window_rect.y + sgi->window_rect.height);
maxpos = minpos + sgi->window_rect.height - 1;
XtVaSetValues
(sgi->y_axis,
XjNminPos, minpos,
XjNmaxPos, maxpos,
NULL);
/* need to catch failure */
XSynchronize (sgi->display, True);
/* plot area pixmap and "double buffer" pixmap */
if (sgi->plotpix) XFreePixmap (sgi->display, sgi->plotpix);
if (sgi->pixmap) XFreePixmap (sgi->display, sgi->pixmap);
Strip_x_error_code = Success;
sgi->plotpix = XCreatePixmap
(sgi->display, sgi->window,
sgi->window_rect.width, sgi->window_rect.height,
sgi->config->xvi.depth);
if (Strip_x_error_code != Success) sgi->plotpix = 0;
Strip_x_error_code = Success;
sgi->pixmap = XCreatePixmap
(sgi->display, sgi->window,
sgi->window_rect.width, sgi->window_rect.height,
sgi->config->xvi.depth);
if (Strip_x_error_code != Success) sgi->pixmap = 0;
XSynchronize (sgi->display, False);
/* clear plot pixmap */
if (sgi->plotpix)
{
XSetForeground
(sgi->display, sgi->gc, sgi->config->Color.background.xcolor.pixel);
XFillRectangle
(sgi->display, sgi->plotpix, sgi->gc,
0, 0, sgi->window_rect.width+1, sgi->window_rect.height+1);
}
/* if couldn't get a pixmap, then map the error message label */
if (!sgi->plotpix || !sgi->pixmap)
XtManageChild (sgi->msg_lbl);
else if (XtIsManaged (sgi->msg_lbl))
XtUnmanageChild (sgi->msg_lbl);
sgi->draw_mask = SGCOMPMASK_ALL;
StripGraph_setstat (sgi, SGSTAT_GRAPH_REFRESH);
}
/*
* StripGraph_draw
*/
void StripGraph_draw (StripGraph the_graph,
unsigned components,
Region *area)
{
StripGraphInfo *sgi = (StripGraphInfo *)the_graph;
Pixel text_color;
int i, n = 0, pos;
int update_loc_lbl = 0;
double dbl_min, dbl_max;
double log_epsilon;
AxisTransform transform;
int tic_offsets[2*(AXIS_MAX_TICS+1)];
char buf[256];
/* draw components specified as well as those which need to be drawn */
sgi->draw_mask |= components;
/* only draw if the window is viewable */
if (!window_isviewable (sgi->display, sgi->window) ||
!window_ismapped (sgi->display, sgi->window))
return;
/* if either pixmap is bad, write a message to the window
* and return */
if (!sgi->pixmap || !sgi->plotpix)
{
/* it'd be nice to give some error indication here */
return;
}
if (sgi->draw_mask & SGCOMPMASK_TITLE)
{
XtVaSetValues
(sgi->title_lbl,
XmNforeground, sgi->config->Color.foreground.xcolor.pixel,
XmNbackground, sgi->config->Color.background.xcolor.pixel,
NULL);
sgi->draw_mask &= ~SGCOMPMASK_TITLE;
}
/* ====== x axis ====== */
if (sgi->draw_mask & SGCOMPMASK_XAXIS)
{
dbl_min = time2dbl (&sgi->t0);
dbl_max = time2dbl (&sgi->t1);
XtVaSetValues
(sgi->x_axis,
XjNpMinVal, &dbl_min,
XjNpMaxVal, &dbl_max,
XmNforeground, sgi->config->Color.foreground.xcolor.pixel,
XjNtextColor, sgi->config->Color.foreground.xcolor.pixel,
XmNbackground, sgi->config->Color.background.xcolor.pixel,
NULL);
sgi->draw_mask &= ~SGCOMPMASK_XAXIS;
update_loc_lbl = 1;
}
/* ====== y axis ====== */
if (sgi->draw_mask & SGCOMPMASK_YAXIS)
{
if (!sgi->selected_curve)
{
for (i = 0; i < STRIP_MAX_CURVES; i++)
if (sgi->curves[i])
{
sgi->selected_curve = sgi->curves[i];
break;
}
}
text_color = sgi->config->Color.foreground.xcolor.pixel;
if (sgi->selected_curve)
{
if (sgi->config->Option.axis_ycolorstat)
text_color = sgi->selected_curve->details->color->xcolor.pixel;
log_epsilon = - sgi->selected_curve->details->precision;
transform = sgi->selected_curve->details->scale == STRIPSCALE_LOG_10?
XjAXIS_LOG10 : XjAXIS_LINEAR;
XtVaSetValues
(sgi->y_axis,
XjNpMinVal, &sgi->selected_curve->details->min,
XjNpMaxVal, &sgi->selected_curve->details->max,
XmNforeground, sgi->config->Color.foreground.xcolor.pixel,
XmNbackground, sgi->config->Color.background.xcolor.pixel,
XjNtextColor, text_color,
XjNunitString, sgi->selected_curve->details->egu,
XjNpLogEpsilon, &log_epsilon,
XjNtransform, transform,
NULL);
}
else
{
dbl_min = 0;
dbl_max = 1;
XtVaSetValues
(sgi->y_axis,
XjNpMinVal, &dbl_min,
XjNpMaxVal, &dbl_max,
XmNforeground, sgi->config->Color.foreground.xcolor.pixel,
XmNbackground, sgi->config->Color.background.xcolor.pixel,
XjNtextColor, text_color,
XjNunitString, 0,
XjNtransform, XjAXIS_LINEAR,
NULL);
}
sgi->draw_mask &= ~SGCOMPMASK_YAXIS;
update_loc_lbl = 1;
}
/* ====== location label ====== */
/*
* If either of the X or Y axes has changed, then must update the
* location label to reflect change in mapping from raster location
* to axis value.
*/
if (update_loc_lbl)
{
XtVaGetValues (sgi->y_axis, XjNtextColor, &text_color, NULL);
XtVaSetValues
(sgi->loc_lbl,
XmNforeground, text_color,
XmNbackground, sgi->config->Color.background.xcolor.pixel,
NULL);
StripGraph_update_loc_lbl (sgi);
}
/* ====== legend ====== */
if ((sgi->draw_mask & SGCOMPMASK_LEGEND) &&
StripGraph_getstat ((StripGraph)sgi, SGSTAT_LEGEND_REFRESH))
{
/* make sure the legend info is up to date */
for (i = 0; i < STRIP_MAX_CURVES; i++)
if (sgi->curves[i])
{
XtVaSetValues
(sgi->legend,
XmNforeground, sgi->config->Color.foreground.xcolor.pixel,
XmNbackground, sgi->config->Color.background.xcolor.pixel,
NULL);
sprintf
(buf,
sgi->curves[i]->details->scale == STRIPSCALE_LOG_10?
"log10 (%g, %g) VAL=%g" : "(%g, %g) VAL=%g",
sgi->curves[i]->details->min, sgi->curves[i]->details->max,
sgi->curves[i]->get_value(sgi->curves[i]->func_data));
XjLegendUpdateItem
(sgi->legend,
sgi->lgitems[i],
sgi->curves[i]->details->name,
buf,
strcmp (sgi->curves[i]->details->egu, STRIPDEF_CURVE_EGU)?
sgi->curves[i]->details->egu : 0,
sgi->curves[i]->details->comment,
sgi->curves[i]->details->color->xcolor.pixel);
}
XjLegendResize (sgi->legend);
sgi->draw_mask &= ~SGCOMPMASK_LEGEND;
StripGraph_clearstat (sgi, SGSTAT_LEGEND_REFRESH);
}
/* ====== plot pixmap ====== */
if (sgi->draw_mask & SGCOMPMASK_DATA)
{
StripGraph_plotdata (sgi);
sgi->draw_mask &= ~SGCOMPMASK_DATA;
}
/* make copy of plot on which we can overlay the grid */
XCopyArea
(sgi->display, sgi->plotpix, sgi->pixmap, sgi->gc,
0, 0,
sgi->window_rect.width, sgi->window_rect.height,
sgi->window_rect.x, sgi->window_rect.y);
/* draw the grid lines, updating if necessary */
if (sgi->config->Option.grid_xon || sgi->config->Option.grid_yon)
{
XSetLineAttributes
(sgi->display, sgi->gc, 1, LineOnOffDash, CapButt, JoinMiter);
XSetForeground
(sgi->display, sgi->gc, sgi->config->Color.grid.xcolor.pixel);
/* x */
if (sgi->config->Option.grid_xon == STRIPGRID_SOME ||
sgi->config->Option.grid_xon == STRIPGRID_ALL)
n = XjAxisGetMajorTicOffsets (sgi->x_axis, tic_offsets, AXIS_MAX_TICS+1);
if (sgi->config->Option.grid_xon == STRIPGRID_ALL)
n += XjAxisGetMinorTicOffsets
(sgi->x_axis, tic_offsets + n, AXIS_MAX_TICS+1);
if (sgi->config->Option.grid_xon != STRIPGRID_NONE)
{
for (i = 0; i < n; i++)
{
pos = sgi->window_rect.x + tic_offsets[i];
sgi->grid.v_seg[i].x1 = sgi->grid.v_seg[i].x2 = pos;
sgi->grid.v_seg[i].y1 = sgi->window_rect.y;
sgi->grid.v_seg[i].y2 =
sgi->window_rect.y + sgi->window_rect.height - 1;
}
XDrawSegments (sgi->display, sgi->pixmap, sgi->gc, sgi->grid.v_seg, n);
}
/* y */
if (sgi->config->Option.grid_yon == STRIPGRID_SOME ||
sgi->config->Option.grid_yon == STRIPGRID_ALL)
n = XjAxisGetMajorTicOffsets (sgi->y_axis, tic_offsets, AXIS_MAX_TICS+1);
if (sgi->config->Option.grid_yon == STRIPGRID_ALL)
n += XjAxisGetMinorTicOffsets
(sgi->y_axis, tic_offsets + n, AXIS_MAX_TICS+1);
if (sgi->config->Option.grid_yon)
{
for (i = 0; i < n; i++)
{
pos = sgi->window_rect.y + sgi->window_rect.height - 1;
pos -= tic_offsets[i];
sgi->grid.h_seg[i].y1 = sgi->grid.h_seg[i].y2 = pos;
sgi->grid.h_seg[i].x1 = sgi->window_rect.x;
sgi->grid.h_seg[i].x2 =
sgi->window_rect.x + sgi->window_rect.width - 1;
}
XDrawSegments (sgi->display, sgi->pixmap, sgi->gc, sgi->grid.h_seg, n);
}
}
XSetForeground
(sgi->display, sgi->gc, sgi->config->Color.foreground.xcolor.pixel);
XSetBackground
(sgi->display, sgi->gc, sgi->config->Color.background.xcolor.pixel);
Annotation_draw(sgi->display, sgi->pixmap, sgi->gc,
sgi->window_rect,sgi->annotation_info,
&(sgi->plotted_t0),&(sgi->plotted_t1),
sgi->curves);
XSetForeground
(sgi->display, sgi->gc, sgi->config->Color.foreground.xcolor.pixel);
/* copy pixmap to window */
if (area) XSetRegion (sgi->display, sgi->gc, *area);
XCopyArea
(sgi->display, sgi->pixmap, sgi->window, sgi->gc,
0, 0,
sgi->window_rect.width, sgi->window_rect.height,
sgi->window_rect.x, sgi->window_rect.y);
if (area) XSetClipMask (sgi->display, sgi->gc, None);
XFlush(sgi->display);
}
/*
* StripGraph_plotdata
*
* This routine updates the graph pixmap, plotting all data on {t0, t1} to
* the points along the width of the pixmap.
*/
static void StripGraph_plotdata (StripGraphInfo *sgi)
{
StripCurveInfo *curve;
XSegment *segs;
struct timeval dt_new, dt_cur; /* interval width (time) */
double dl_new, dl_cur; /* interval width (real) */
double db = 0.0; /* bin width (real) */
double dl; /* interval width (real) */
double l_min, l_max; /* min, max (real) */
int b_min, b_max; /* min, max (quantized) */
int n_shift = 0;
int n, m;
struct timeval t;
double r;
sdsRenderTechnique method;
sgTransformYData y_data;
sgTransformXData x_data;
Boolean need_xform;
Boolean ok;
/* new and current interval widths, in real and time types */
dl_new = subtract_times (&dt_new, &sgi->t0, &sgi->t1);
dl_cur = subtract_times (&dt_cur, &sgi->plotted_t0, &sgi->plotted_t1);
if (!StripGraph_getstat (sgi, SGSTAT_GRAPH_REFRESH))
{
/* current bin width */
db = dl_cur / (sgi->window_rect.width - 1);
/* translate new min and values, using current interval */
l_min = subtract_times (&t, &sgi->plotted_t0, &sgi->t0);
b_min = (int)(l_min / db);
l_max = subtract_times (&t, &sgi->plotted_t0, &sgi->t1);
b_max = (int)(l_max / db);
/* n_shift <-- number of bins which need to be shifted */
n_shift = b_min;
/* need to redraw if any of the following is true:
*
* o interval width has changed
* o new range doesn't intersect previous
* o range intersects, but shift is in negative direction
*/
if ((ABS(dl_new - dl_cur) > DBL_EPSILON) ||
(b_min >= sgi->window_rect.width - 1) ||
(b_max <= 0) ||
(n_shift < 0))
StripGraph_setstat (sgi, SGSTAT_GRAPH_REFRESH);
}
/* if everything needs to be re-plotted, erase the whole pixmap */
if (StripGraph_getstat (sgi, SGSTAT_GRAPH_REFRESH))
{
/* clear the pixmap */
XSetForeground
(sgi->display, sgi->gc, sgi->config->Color.background.xcolor.pixel);
XFillRectangle
(sgi->display, sgi->plotpix, sgi->gc,
0, 0, sgi->window_rect.width+1, sgi->window_rect.height+1);
sgi->plotted_t0 = sgi->t0;
sgi->plotted_t1 = sgi->t1;
db = dl_new / (sgi->window_rect.width - 1);
dl = dl_new;
method = SDS_REFRESH_ALL;
}
/* if only a portion needs to be plotted, re-arrange the displayed data
* to reflect the new time range and clear the vacated portion of the
* pixmap */
else
{
XCopyArea
(sgi->display,
sgi->plotpix, sgi->plotpix,
sgi->gc,
n_shift, 0,
sgi->window_rect.width - n_shift,
sgi->window_rect.height,
0, 0);
/* clear the vacated area */
XSetForeground
(sgi->display, sgi->gc, sgi->config->Color.background.xcolor.pixel);
XFillRectangle
(sgi->display, sgi->plotpix, sgi->gc,
sgi->window_rect.width - n_shift, 0,
n_shift, sgi->window_rect.height + 1);
/* update the endpoints by shifting in bin-sized increments */
r = time2dbl (&sgi->plotted_t0);
dbl2time (&sgi->plotted_t0, r + (n_shift * db));
r = time2dbl (&sgi->plotted_t1);
dbl2time (&sgi->plotted_t1, r + (n_shift * db));
dl = dl_cur;
method = SDS_JOIN_NEW;
}
XSetLineAttributes
(sgi->display, sgi->gc,
sgi->config->Option.graph_linewidth,
LineSolid, CapButt, JoinMiter);
/* initialize data source for time interval */
if (StripDataSource_init_range
(sgi->data, &sgi->plotted_t0, db, sgi->window_rect.width, method) > 0)
{
#ifdef QUANTIFY_PRECISE
if (method == SDS_REFRESH_ALL)
quantify_start_recording_data();
#endif
/* for each plotted curve ... */
for (m = 0; m < STRIP_MAX_CURVES; m++)
{
n = sgi->config->Curves.plot_order[m];
curve = sgi->curves[n];
if (!curve) continue;
if (curve->details->plotstat != STRIPCURVE_PLOTTED) continue;
/* if this is the selected curve, get its transform info from
* the axis */
if (curve == sgi->selected_curve)
XjAxisGetTransform (sgi->y_axis, &sgi->transforms[n]);
/* otherwise, verify that the current transform info is valid */
else
{
if (curve->details->scale == STRIPSCALE_LOG_10)
need_xform = (sgi->transforms[n].transform != XjAXIS_LOG10);
else need_xform = (sgi->transforms[n].transform != XjAXIS_LINEAR);
need_xform |= (sgi->transforms[n].min_pos == 0);
need_xform |=
(sgi->transforms[n].max_pos == sgi->window_rect.height - 1);
need_xform |= (sgi->transforms[n].min_val != curve->details->min);
need_xform |= (sgi->transforms[n].max_val != curve->details->max);
need_xform |=
(sgi->transforms[n].log_epsilon != curve->details->precision);
if (need_xform)
{
ok = jlaBuildTransform
(&sgi->transforms[n],
curve->details->scale == STRIPSCALE_LOG_10?
XjAXIS_LOG10 : XjAXIS_LINEAR,
XjAXIS_REAL,
(AxisEndpointPosition)0,
(AxisEndpointPosition)(sgi->window_rect.height - 1),
curve->details->min,
curve->details->max,
-curve->details->precision);
if (!ok) continue;
}
}
y_data.xform = &sgi->transforms[n];
y_data.sgi = sgi;
y_data.curve = curve;
x_data.t0 = time2dbl (&sgi->plotted_t0);
x_data.db = db;
/* transform data into axis coordinates */
n = StripDataSource_render
(sgi->data, curve,
(sdsTransform)x_transform, &x_data,
(sdsTransform)y_transform, &y_data,
&segs);
/* draw the segments */
if (n > 0)
{