diff options
Diffstat (limited to 'src/gui/painting/qtransform.h')
| -rw-r--r-- | src/gui/painting/qtransform.h | 59 |
1 files changed, 50 insertions, 9 deletions
diff --git a/src/gui/painting/qtransform.h b/src/gui/painting/qtransform.h index 074cee2..e6c1a4e 100644 --- a/src/gui/painting/qtransform.h +++ b/src/gui/painting/qtransform.h @@ -1,7 +1,6 @@ /**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. @@ -21,9 +20,10 @@ ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this +** package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. @@ -50,6 +50,10 @@ #include <QtCore/qpoint.h> #include <QtCore/qrect.h> +#if defined(Q_OS_VXWORKS) && defined(m_type) +# undef m_type +#endif + QT_BEGIN_HEADER QT_BEGIN_NAMESPACE @@ -71,6 +75,7 @@ public: TxProject = 0x10 }; + inline explicit QTransform(Qt::Initialization) : affine(Qt::Uninitialized) {} QTransform(); QTransform(qreal h11, qreal h12, qreal h13, qreal h21, qreal h22, qreal h23, @@ -159,6 +164,19 @@ public: static QTransform fromScale(qreal dx, qreal dy); private: + inline QTransform(qreal h11, qreal h12, qreal h13, + qreal h21, qreal h22, qreal h23, + qreal h31, qreal h32, qreal h33, bool) + : affine(h11, h12, h21, h22, h31, h32, true) + , m_13(h13), m_23(h23), m_33(h33) + , m_type(TxNone) + , m_dirty(TxProject) {} + inline QTransform(bool) + : affine(true) + , m_13(0), m_23(0), m_33(1) + , m_type(TxNone) + , m_dirty(TxNone) {} + inline TransformationType inline_type() const; QMatrix affine; qreal m_13; qreal m_23; @@ -173,18 +191,25 @@ private: Q_DECLARE_TYPEINFO(QTransform, Q_MOVABLE_TYPE); /******* inlines *****/ +inline QTransform::TransformationType QTransform::inline_type() const +{ + if (m_dirty == TxNone) + return static_cast<TransformationType>(m_type); + return type(); +} + inline bool QTransform::isAffine() const { - return type() < TxProject; + return inline_type() < TxProject; } inline bool QTransform::isIdentity() const { - return type() == TxNone; + return inline_type() == TxNone; } inline bool QTransform::isInvertible() const { - return !qFuzzyCompare(determinant() + 1, 1); + return !qFuzzyIsNull(determinant()); } inline bool QTransform::isScaling() const @@ -193,12 +218,12 @@ inline bool QTransform::isScaling() const } inline bool QTransform::isRotating() const { - return type() >= TxRotate; + return inline_type() >= TxRotate; } inline bool QTransform::isTranslating() const { - return type() >= TxTranslate; + return inline_type() >= TxTranslate; } inline qreal QTransform::determinant() const @@ -311,9 +336,25 @@ inline QTransform &QTransform::operator-=(qreal num) return *this; } +inline bool qFuzzyCompare(const QTransform& t1, const QTransform& t2) +{ + return qFuzzyCompare(t1.m11(), t2.m11()) + && qFuzzyCompare(t1.m12(), t2.m12()) + && qFuzzyCompare(t1.m13(), t2.m13()) + && qFuzzyCompare(t1.m21(), t2.m21()) + && qFuzzyCompare(t1.m22(), t2.m22()) + && qFuzzyCompare(t1.m23(), t2.m23()) + && qFuzzyCompare(t1.m31(), t2.m31()) + && qFuzzyCompare(t1.m32(), t2.m32()) + && qFuzzyCompare(t1.m33(), t2.m33()); +} + + /****** stream functions *******************/ +#ifndef QT_NO_DATASTREAM Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QTransform &); Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QTransform &); +#endif #ifndef QT_NO_DEBUG_STREAM Q_GUI_EXPORT QDebug operator<<(QDebug, const QTransform &); |