void ProfileGraphicsView::plot_depth_text()
{
int maxtime, maxdepth;
/* Get plot scaling limits */
maxtime = get_maxtime(&gc.pi);
maxdepth = get_maxdepth(&gc.pi);
gc.leftx = 0; gc.rightx = maxtime;
gc.topy = 0; gc.bottomy = maxdepth;
plot_text_samples();
}
void ProfileGraphicsView::plot_depth_profile()
{
int i, incr;
int sec, depth;
struct plot_data *entry;
int maxtime, maxdepth, marker, maxline;
int increments[8] = { 10, 20, 30, 60, 5*60, 10*60, 15*60, 30*60 };
/* Get plot scaling limits */
maxtime = get_maxtime(&gc.pi);
maxdepth = get_maxdepth(&gc.pi);
gc.maxtime = maxtime;
/* Time markers: at most every 10 seconds, but no more than 12 markers.
* We start out with 10 seconds and increment up to 30 minutes,
* depending on the dive time.
* This allows for 6h dives - enough (I hope) for even the craziest
* divers - but just in case, for those 8h depth-record-breaking dives,
* we double the interval if this still doesn't get us to 12 or fewer
* time markers */
i = 0;
while (maxtime / increments[i] > 12 && i < 7)
i++;
incr = increments[i];
while (maxtime / incr > 12)
incr *= 2;
gc.leftx = 0;
gc.rightx = maxtime;
gc.topy = 0;
gc.bottomy = 1.0;
last_gc = gc;
QColor c = getColor(TIME_GRID);
for (i = incr; i < maxtime; i += incr) {
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(i, 0), SCALEGC(i, 1));
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
}
timeMarkers = new QGraphicsRectItem();
/* now the text on the time markers */
struct text_render_options tro = {DEPTH_TEXT_SIZE, TIME_TEXT, CENTER, LINE_DOWN};
if (maxtime < 600) {
/* Be a bit more verbose with shorter dives */
for (i = incr; i < maxtime; i += incr)
plot_text(&tro, QPointF(i, 0), QString("%1:%2").arg(i/60).arg(i%60, 2, 10, QChar('0')), timeMarkers);
} else {
/* Only render the time on every second marker for normal dives */
for (i = incr; i < maxtime; i += 2 * incr)
plot_text(&tro, QPointF(i, 0), QString("%1").arg(QString::number(i/60)), timeMarkers);
}
timeMarkers->setPos(0,0);
scene()->addItem(timeMarkers);
/* Depth markers: every 30 ft or 10 m*/
gc.leftx = 0;
gc.rightx = 1.0;
gc.topy = 0;
gc.bottomy = maxdepth;
switch (prefs.units.length) {
case units::METERS:
marker = 10000;
break;
case units::FEET:
marker = 9144;
break; /* 30 ft */
}
maxline = qMax(gc.pi.maxdepth + marker, maxdepth * 2 / 3);
c = getColor(DEPTH_GRID);
for (i = marker; i < maxline; i += marker) {
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(0, i), SCALEGC(1, i));
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
}
gc.leftx = 0;
gc.rightx = maxtime;
c = getColor(MEAN_DEPTH);
/* Show mean depth */
if (! gc.printer) {
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(0, gc.pi.meandepth),
SCALEGC(gc.pi.entry[gc.pi.nr - 1].sec, gc.pi.meandepth));
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
}
#if 0
/*
* These are good for debugging text placement etc,
* but not for actual display..
*/
if (0) {
plot_smoothed_profile(gc, pi);
plot_minmax_profile(gc, pi);
}
#endif
/* Do the depth profile for the neat fill */
gc.topy = 0;
gc.bottomy = maxdepth;
entry = gc.pi.entry;
QPolygonF p;
QLinearGradient pat(0.0,0.0,0.0,scene()->height());
QGraphicsPolygonItem *neatFill = NULL;
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++)
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
/* Show any ceiling we may have encountered */
if (prefs.profile_dc_ceiling) {
for (i = gc.pi.nr - 1; i >= 0; i--, entry--) {
if (!entry->in_deco) {
/* not in deco implies this is a safety stop, no ceiling */
p.append(QPointF(SCALEGC(entry->sec, 0)));
} else if (entry->stopdepth < entry->depth) {
p.append(QPointF(SCALEGC(entry->sec, entry->stopdepth)));
} else {
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
}
}
}
pat.setColorAt(1, getColor(DEPTH_BOTTOM));
pat.setColorAt(0, getColor(DEPTH_TOP));
neatFill = new QGraphicsPolygonItem();
neatFill->setPolygon(p);
neatFill->setBrush(QBrush(pat));
neatFill->setPen(QPen(QBrush(Qt::transparent),0));
scene()->addItem(neatFill);
/* if the user wants the deco ceiling more visible, do that here (this
* basically draws over the background that we had allowed to shine
* through so far) */
if (prefs.profile_dc_ceiling && prefs.profile_red_ceiling) {
p.clear();
pat.setColorAt(0, getColor(CEILING_SHALLOW));
pat.setColorAt(1, getColor(CEILING_DEEP));
entry = gc.pi.entry;
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++) {
if (entry->in_deco && entry->stopdepth) {
if (entry->stopdepth < entry->depth) {
p.append(QPointF(SCALEGC(entry->sec, entry->stopdepth)));
} else {
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
}
} else {
p.append(QPointF(SCALEGC(entry->sec, 0)));
}
}
neatFill = new QGraphicsPolygonItem();
neatFill->setBrush(QBrush(pat));
neatFill->setPolygon(p);
neatFill->setPen(QPen(QBrush(Qt::NoBrush),0));
scene()->addItem(neatFill);
}
/* finally, plot the calculated ceiling over all this */
if (prefs.profile_calc_ceiling) {
pat.setColorAt(0, getColor(CALC_CEILING_SHALLOW));
pat.setColorAt(1, getColor(CALC_CEILING_DEEP));
entry = gc.pi.entry;
p.clear();
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++) {
if (entry->ceiling)
p.append(QPointF(SCALEGC(entry->sec, entry->ceiling)));
else
p.append(QPointF(SCALEGC(entry->sec, 0)));
}
p.append(QPointF(SCALEGC((entry-1)->sec, 0)));
neatFill = new QGraphicsPolygonItem();
neatFill->setPolygon(p);
neatFill->setPen(QPen(QBrush(Qt::NoBrush),0));
neatFill->setBrush(pat);
scene()->addItem(neatFill);
}
/* plot the calculated ceiling for all tissues */
if (prefs.profile_calc_ceiling && prefs.calc_all_tissues) {
int k;
for (k=0; k<16; k++) {
pat.setColorAt(0, getColor(CALC_CEILING_SHALLOW));
pat.setColorAt(1, QColor(100, 100, 100, 50));
entry = gc.pi.entry;
p.clear();
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++) {
if ((entry->ceilings)[k])
p.append(QPointF(SCALEGC(entry->sec, (entry->ceilings)[k])));
else
p.append(QPointF(SCALEGC(entry->sec, 0)));
}
p.append(QPointF(SCALEGC((entry-1)->sec, 0)));
neatFill = new QGraphicsPolygonItem();
neatFill->setPolygon(p);
neatFill->setBrush(pat);
scene()->addItem(neatFill);
}
}
/* next show where we have been bad and crossed the dc's ceiling */
if (prefs.profile_dc_ceiling) {
pat.setColorAt(0, getColor(CEILING_SHALLOW));
pat.setColorAt(1, getColor(CEILING_DEEP));
entry = gc.pi.entry;
p.clear();
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++)
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
for (i-- , entry--; i >= 0; i--, entry--) {
if (entry->in_deco && entry->stopdepth > entry->depth) {
p.append(QPointF(SCALEGC(entry->sec, entry->stopdepth)));
} else {
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
}
}
}
neatFill = new QGraphicsPolygonItem();
neatFill->setPolygon(p);
neatFill->setPen(QPen(QBrush(Qt::NoBrush),0));
neatFill->setBrush(QBrush(pat));
scene()->addItem(neatFill);
/* Now do it again for the velocity colors */
entry = gc.pi.entry;
for (i = 1; i < gc.pi.nr; i++) {
entry++;
sec = entry->sec;
/* we want to draw the segments in different colors
* representing the vertical velocity, so we need to
* chop this into short segments */
depth = entry->depth;
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(entry[-1].sec, entry[-1].depth), SCALEGC(sec, depth));
QPen pen(defaultPen);
pen.setColor(getColor((color_indice_t)(VELOCITY_COLORS_START_IDX + entry->velocity)));
item->setPen(pen);
scene()->addItem(item);
}
}
