#include struct QFontMetrics { QFontMetrics(const QFont &); QFontMetrics(const QFontMetrics &); ~QFontMetrics(); QFontMetrics &operator = (const QFontMetrics &); int ascent() const; QRect boundingRect(const QString &, int = -1) const; QRect boundingRect(int, int, int, int, int, const QString &, int = -1, int = 0, int *{intarray} = 0, char **{internal} = 0) const; int descent() const; int height() const; bool inFont(char) const; int leading() const; int leftBearing(char) const; int lineSpacing() const; int lineWidth() const; int maxWidth() const; int minLeftBearing() const; int minRightBearing() const; int rightBearing(char) const; QSize size(int, const QString &, int = -1, int = 0, int *{intarray} = 0, char **{internal} = 0) const; int strikeOutPos() const; int underlinePos() const; int width(const QString &, int = -1) const; } Qt::FontMetrics;