diff options
Diffstat (limited to 'src/gui/text/qrawfont.cpp')
| -rw-r--r-- | src/gui/text/qrawfont.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/gui/text/qrawfont.cpp b/src/gui/text/qrawfont.cpp index 9e045f91c3..66d16d6068 100644 --- a/src/gui/text/qrawfont.cpp +++ b/src/gui/text/qrawfont.cpp @@ -310,6 +310,13 @@ bool QRawFont::operator==(const QRawFont &other) const /*! Returns the ascent of this QRawFont in pixel units. + The ascent of a font is the distance from the baseline to the + highest position characters extend to. In practice, some font + designers break this rule, e.g. when they put more than one accent + on top of a character, or to accommodate an unusual character in + an exotic language, so it is possible (though rare) that this + value will be too small. + \sa QFontMetricsF::ascent() */ qreal QRawFont::ascent() const @@ -320,6 +327,11 @@ qreal QRawFont::ascent() const /*! Returns the descent of this QRawFont in pixel units. + The descent is the distance from the base line to the lowest point + characters extend to. In practice, some font designers break this rule, + e.g. to accommodate an unusual character in an exotic language, so + it is possible (though rare) that this value will be too small. + \sa QFontMetricsF::descent() */ qreal QRawFont::descent() const @@ -330,6 +342,8 @@ qreal QRawFont::descent() const /*! Returns the xHeight of this QRawFont in pixel units. + This is often but not always the same as the height of the character 'x'. + \sa QFontMetricsF::xHeight() */ qreal QRawFont::xHeight() const @@ -340,6 +354,8 @@ qreal QRawFont::xHeight() const /*! Returns the leading of this QRawFont in pixel units. + This is the natural inter-line spacing. + \sa QFontMetricsF::leading() */ qreal QRawFont::leading() const |