Use
QFont class
When you know font size in terms of Integer ,
void QFont::setPointSize ( int pointSize
)
Sometimes , it is required that we need font size other than the prescribed sizes.
void QFont::setPointSizeF ( qreal pointSize
)
is really useful in that manner.
Stylesheet
Using style sheet must be the simplest way.
void setStyleSheet
( const QString & sheet
)
label->setStyleSheet ("Font : 12pt");
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We can use HTML tags as well, when applicable.
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