diff options
Diffstat (limited to 'src/gui/math3d/qmatrix4x4.cpp')
| -rw-r--r-- | src/gui/math3d/qmatrix4x4.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gui/math3d/qmatrix4x4.cpp b/src/gui/math3d/qmatrix4x4.cpp index c8a036918c..2fa31b5b14 100644 --- a/src/gui/math3d/qmatrix4x4.cpp +++ b/src/gui/math3d/qmatrix4x4.cpp @@ -290,6 +290,18 @@ QMatrix4x4::QMatrix4x4(const QTransform& transform) */ /*! + \fn bool QMatrix4x4::isAffine() const + \since 5.5 + + Returns \c true if this matrix is affine matrix; false otherwise. + + An affine matrix is a 4x4 matrix with row 3 equal to (0, 0, 0, 1), + e.g. no projective coefficients. + + \sa isIdentity() +*/ + +/*! \fn bool QMatrix4x4::isIdentity() const Returns \c true if this matrix is the identity; false otherwise. |