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profile: add width() function to DiveCartesian axis

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To properly layout the profile we need to know the expected space
required by the vertical axes. In the general case, format the
the text "999". For the partial-pressure-axis, use "0.99".

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2021-08-11 10:57:42 +02:00 • committed by Dirk Hohndel
parent f713858ba4
commit 7dd9b65df0
4 changed files with 36 additions and 7 deletions
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19
profile-widget/divetextitem.cpp
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@ -59,15 +59,11 @@ const QString &DiveTextItem::text()
return internalText;
}
void DiveTextItem::updateText()
QFont DiveTextItem::getFont(double dpr, double scale)
{
double size;
if (internalText.isEmpty()) {
return;
}
QFont fnt(qApp->font());
if ((size = fnt.pixelSize()) > 0) {
double size = fnt.pixelSize();
if (size > 0) {
// set in pixels - so the scale factor may not make a difference if it's too close to 1
size *= scale * dpr;
fnt.setPixelSize(lrint(size));
@ -76,6 +72,15 @@ void DiveTextItem::updateText()
size *= scale * dpr;
fnt.setPointSizeF(size);
}
return fnt;
}
void DiveTextItem::updateText()
{
if (internalText.isEmpty())
return;
QFont fnt = getFont(dpr, scale);
QFontMetrics fm(fnt);
QPainterPath textPath;