void get_gas_string(const struct gasmix *gasmix, char *text, int len)
{
if (gasmix_is_air(gasmix))
snprintf(text, len, "%s", translate("gettextFromC", "air"));
else if (get_he(gasmix) == 0)
snprintf(text, len, translate("gettextFromC", "EAN%d"), (get_o2(gasmix) + 5) / 10);
else
snprintf(text, len, "(%d/%d)", (get_o2(gasmix) + 5) / 10, (get_he(gasmix) + 5) / 10);
}
/* Quite crude reverse-blender-function, but it produces a approx result */
static void get_gas_parts(struct gasmix mix, volume_t vol, int o2_in_topup, volume_t *o2, volume_t *he)
{
volume_t air = {};
if (gasmix_is_air(&mix)) {
o2->mliter = 0;
he->mliter = 0;
return;
}
air.mliter = rint(((double)vol.mliter * (1000 - get_he(&mix) - get_o2(&mix))) / (1000 - o2_in_topup));
he->mliter = rint(((double)vol.mliter * get_he(&mix)) / 1000.0);
o2->mliter += vol.mliter - he->mliter - air.mliter;
}
void TankItem::createBar(qreal x, qreal w, struct gasmix *gas)
{
// pick the right gradient, size, position and text
QGraphicsRectItem *rect = new QGraphicsRectItem(x, 0, w, height, this);
if (gasmix_is_air(gas))
rect->setBrush(air);
else if (gas->he.permille)
rect->setBrush(trimix);
else if (gas->o2.permille == 1000)
rect->setBrush(oxygen);
else
rect->setBrush(nitrox);
rect->setPen(QPen(QBrush(), 0.0)); // get rid of the thick line around the rectangle
rects.push_back(rect);
DiveTextItem *label = new DiveTextItem(rect);
label->setText(gasname(gas));
label->setBrush(Qt::black);
label->setPos(x + 1, 0);
label->setAlignment(Qt::AlignBottom | Qt::AlignRight);
label->setZValue(101);
}
void DiveEventItem::setupPixmap()
{
const IconMetrics& metrics = defaultIconMetrics();
int sz_bigger = metrics.sz_med + metrics.sz_small; // ex 40px
int sz_pix = sz_bigger/2; // ex 20px
#define EVENT_PIXMAP(PIX) QPixmap(QString(PIX)).scaled(sz_pix, sz_pix, Qt::KeepAspectRatio, Qt::SmoothTransformation)
#define EVENT_PIXMAP_BIGGER(PIX) QPixmap(QString(PIX)).scaled(sz_bigger, sz_bigger, Qt::KeepAspectRatio, Qt::SmoothTransformation)
if (same_string(internalEvent->name, "")) {
setPixmap(EVENT_PIXMAP(":warning"));
} else if (internalEvent->type == SAMPLE_EVENT_BOOKMARK) {
setPixmap(EVENT_PIXMAP(":flag"));
} else if (strcmp(internalEvent->name, "heading") == 0 ||
(same_string(internalEvent->name, "SP change") && internalEvent->time.seconds == 0)) {
// 2 cases:
// a) some dive computers have heading in every sample
// b) at t=0 we might have an "SP change" to indicate dive type
// in both cases we want to get the right data into the tooltip but don't want the visual clutter
// so set an "almost invisible" pixmap (a narrow but somewhat tall, basically transparent pixmap)
// that allows tooltips to work when we don't want to show a specific
// pixmap for an event, but want to show the event value in the tooltip
QPixmap transparentPixmap(4, 20);
transparentPixmap.fill(QColor::fromRgbF(1.0, 1.0, 1.0, 0.01));
setPixmap(transparentPixmap);
} else if (event_is_gaschange(internalEvent)) {
if (internalEvent->gas.mix.he.permille)
setPixmap(EVENT_PIXMAP_BIGGER(":gaschangeTrimix"));
else if (gasmix_is_air(&internalEvent->gas.mix))
setPixmap(EVENT_PIXMAP_BIGGER(":gaschangeAir"));
else
setPixmap(EVENT_PIXMAP_BIGGER(":gaschangeNitrox"));
} else {
setPixmap(EVENT_PIXMAP(":warning"));
}
#undef EVENT_PIXMAP
}
QString gasToStr(struct gasmix gas)
{
uint o2 = (get_o2(&gas) + 5) / 10, he = (get_he(&gas) + 5) / 10;
QString result = gasmix_is_air(&gas) ? QObject::tr("AIR") : he == 0 ? QString("EAN%1").arg(o2, 2, 10, QChar('0')) : QString("%1/%2").arg(o2).arg(he);
return result;
}