diff options
Diffstat (limited to 'src/gui/math3d/qvector2d.cpp')
| -rw-r--r-- | src/gui/math3d/qvector2d.cpp | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/src/gui/math3d/qvector2d.cpp b/src/gui/math3d/qvector2d.cpp index 9b5d123..28f6b7a 100644 --- a/src/gui/math3d/qvector2d.cpp +++ b/src/gui/math3d/qvector2d.cpp @@ -57,9 +57,7 @@ QT_BEGIN_NAMESPACE The QVector2D class can also be used to represent vertices in 2D space. We therefore do not need to provide a separate vertex class. - The coordinates are stored internally using the most efficient - representation for the GL rendering engine, which will be either - floating-point or fixed-point. + \sa QVector3D, QVector4D, QQuaternion */ /*! @@ -412,6 +410,46 @@ QDebug operator<<(QDebug dbg, const QVector2D &vector) #endif -#endif +#ifndef QT_NO_DATASTREAM + +/*! + \fn QDataStream &operator<<(QDataStream &stream, const QVector2D &vector) + \relates QVector2D + + Writes the given \a vector to the given \a stream and returns a + reference to the stream. + + \sa {Format of the QDataStream Operators} +*/ + +QDataStream &operator<<(QDataStream &stream, const QVector2D &vector) +{ + stream << double(vector.x()) << double(vector.y()); + return stream; +} + +/*! + \fn QDataStream &operator>>(QDataStream &stream, QVector2D &vector) + \relates QVector2D + + Reads a 2D vector from the given \a stream into the given \a vector + and returns a reference to the stream. + + \sa {Format of the QDataStream Operators} +*/ + +QDataStream &operator>>(QDataStream &stream, QVector2D &vector) +{ + double x, y; + stream >> x; + stream >> y; + vector.setX(qreal(x)); + vector.setY(qreal(y)); + return stream; +} + +#endif // QT_NO_DATASTREAM + +#endif // QT_NO_VECTOR2D QT_END_NAMESPACE |