/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtCore module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to 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. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
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** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#ifndef QLINE_H | |
#define QLINE_H | |
#include <QtCore/qpoint.h> | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
QT_MODULE(Core) | |
/******************************************************************************* | |
* class QLine | |
*******************************************************************************/ | |
class Q_CORE_EXPORT QLine | |
{ | |
public: | |
inline QLine(); | |
inline QLine(const QPoint &pt1, const QPoint &pt2); | |
inline QLine(int x1, int y1, int x2, int y2); | |
inline bool isNull() const; | |
inline QPoint p1() const; | |
inline QPoint p2() const; | |
inline int x1() const; | |
inline int y1() const; | |
inline int x2() const; | |
inline int y2() const; | |
inline int dx() const; | |
inline int dy() const; | |
inline void translate(const QPoint &p); | |
inline void translate(int dx, int dy); | |
inline QLine translated(const QPoint &p) const; | |
inline QLine translated(int dx, int dy) const; | |
inline void setP1(const QPoint &p1); | |
inline void setP2(const QPoint &p2); | |
inline void setPoints(const QPoint &p1, const QPoint &p2); | |
inline void setLine(int x1, int y1, int x2, int y2); | |
inline bool operator==(const QLine &d) const; | |
inline bool operator!=(const QLine &d) const { return !(*this == d); } | |
private: | |
QPoint pt1, pt2; | |
}; | |
Q_DECLARE_TYPEINFO(QLine, Q_MOVABLE_TYPE); | |
/******************************************************************************* | |
* class QLine inline members | |
*******************************************************************************/ | |
inline QLine::QLine() { } | |
inline QLine::QLine(const QPoint &pt1_, const QPoint &pt2_) : pt1(pt1_), pt2(pt2_) { } | |
inline QLine::QLine(int x1pos, int y1pos, int x2pos, int y2pos) : pt1(QPoint(x1pos, y1pos)), pt2(QPoint(x2pos, y2pos)) { } | |
inline bool QLine::isNull() const | |
{ | |
return pt1 == pt2; | |
} | |
inline int QLine::x1() const | |
{ | |
return pt1.x(); | |
} | |
inline int QLine::y1() const | |
{ | |
return pt1.y(); | |
} | |
inline int QLine::x2() const | |
{ | |
return pt2.x(); | |
} | |
inline int QLine::y2() const | |
{ | |
return pt2.y(); | |
} | |
inline QPoint QLine::p1() const | |
{ | |
return pt1; | |
} | |
inline QPoint QLine::p2() const | |
{ | |
return pt2; | |
} | |
inline int QLine::dx() const | |
{ | |
return pt2.x() - pt1.x(); | |
} | |
inline int QLine::dy() const | |
{ | |
return pt2.y() - pt1.y(); | |
} | |
inline void QLine::translate(const QPoint &point) | |
{ | |
pt1 += point; | |
pt2 += point; | |
} | |
inline void QLine::translate(int adx, int ady) | |
{ | |
this->translate(QPoint(adx, ady)); | |
} | |
inline QLine QLine::translated(const QPoint &p) const | |
{ | |
return QLine(pt1 + p, pt2 + p); | |
} | |
inline QLine QLine::translated(int adx, int ady) const | |
{ | |
return translated(QPoint(adx, ady)); | |
} | |
inline void QLine::setP1(const QPoint &aP1) | |
{ | |
pt1 = aP1; | |
} | |
inline void QLine::setP2(const QPoint &aP2) | |
{ | |
pt2 = aP2; | |
} | |
inline void QLine::setPoints(const QPoint &aP1, const QPoint &aP2) | |
{ | |
pt1 = aP1; | |
pt2 = aP2; | |
} | |
inline void QLine::setLine(int aX1, int aY1, int aX2, int aY2) | |
{ | |
pt1 = QPoint(aX1, aY1); | |
pt2 = QPoint(aX2, aY2); | |
} | |
inline bool QLine::operator==(const QLine &d) const | |
{ | |
return pt1 == d.pt1 && pt2 == d.pt2; | |
} | |
#ifndef QT_NO_DEBUG_STREAM | |
Q_CORE_EXPORT QDebug operator<<(QDebug d, const QLine &p); | |
#endif | |
#ifndef QT_NO_DATASTREAM | |
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QLine &); | |
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QLine &); | |
#endif | |
/******************************************************************************* | |
* class QLineF | |
*******************************************************************************/ | |
class Q_CORE_EXPORT QLineF { | |
public: | |
enum IntersectType { NoIntersection, BoundedIntersection, UnboundedIntersection }; | |
inline QLineF(); | |
inline QLineF(const QPointF &pt1, const QPointF &pt2); | |
inline QLineF(qreal x1, qreal y1, qreal x2, qreal y2); | |
inline QLineF(const QLine &line) : pt1(line.p1()), pt2(line.p2()) { } | |
static QLineF fromPolar(qreal length, qreal angle); | |
bool isNull() const; | |
inline QPointF p1() const; | |
inline QPointF p2() const; | |
inline qreal x1() const; | |
inline qreal y1() const; | |
inline qreal x2() const; | |
inline qreal y2() const; | |
inline qreal dx() const; | |
inline qreal dy() const; | |
qreal length() const; | |
void setLength(qreal len); | |
qreal angle() const; | |
void setAngle(qreal angle); | |
qreal angleTo(const QLineF &l) const; | |
QLineF unitVector() const; | |
QLineF normalVector() const; | |
// ### Qt 5: rename intersects() or intersection() and rename IntersectType IntersectionType | |
IntersectType intersect(const QLineF &l, QPointF *intersectionPoint) const; | |
qreal angle(const QLineF &l) const; | |
QPointF pointAt(qreal t) const; | |
inline void translate(const QPointF &p); | |
inline void translate(qreal dx, qreal dy); | |
inline QLineF translated(const QPointF &p) const; | |
inline QLineF translated(qreal dx, qreal dy) const; | |
inline void setP1(const QPointF &p1); | |
inline void setP2(const QPointF &p2); | |
inline void setPoints(const QPointF &p1, const QPointF &p2); | |
inline void setLine(qreal x1, qreal y1, qreal x2, qreal y2); | |
inline bool operator==(const QLineF &d) const; | |
inline bool operator!=(const QLineF &d) const { return !(*this == d); } | |
QLine toLine() const; | |
private: | |
QPointF pt1, pt2; | |
}; | |
Q_DECLARE_TYPEINFO(QLineF, Q_MOVABLE_TYPE); | |
/******************************************************************************* | |
* class QLineF inline members | |
*******************************************************************************/ | |
inline QLineF::QLineF() | |
{ | |
} | |
inline QLineF::QLineF(const QPointF &apt1, const QPointF &apt2) | |
: pt1(apt1), pt2(apt2) | |
{ | |
} | |
inline QLineF::QLineF(qreal x1pos, qreal y1pos, qreal x2pos, qreal y2pos) | |
: pt1(x1pos, y1pos), pt2(x2pos, y2pos) | |
{ | |
} | |
inline qreal QLineF::x1() const | |
{ | |
return pt1.x(); | |
} | |
inline qreal QLineF::y1() const | |
{ | |
return pt1.y(); | |
} | |
inline qreal QLineF::x2() const | |
{ | |
return pt2.x(); | |
} | |
inline qreal QLineF::y2() const | |
{ | |
return pt2.y(); | |
} | |
inline QPointF QLineF::p1() const | |
{ | |
return pt1; | |
} | |
inline QPointF QLineF::p2() const | |
{ | |
return pt2; | |
} | |
inline qreal QLineF::dx() const | |
{ | |
return pt2.x() - pt1.x(); | |
} | |
inline qreal QLineF::dy() const | |
{ | |
return pt2.y() - pt1.y(); | |
} | |
inline QLineF QLineF::normalVector() const | |
{ | |
return QLineF(p1(), p1() + QPointF(dy(), -dx())); | |
} | |
inline void QLineF::translate(const QPointF &point) | |
{ | |
pt1 += point; | |
pt2 += point; | |
} | |
inline void QLineF::translate(qreal adx, qreal ady) | |
{ | |
this->translate(QPointF(adx, ady)); | |
} | |
inline QLineF QLineF::translated(const QPointF &p) const | |
{ | |
return QLineF(pt1 + p, pt2 + p); | |
} | |
inline QLineF QLineF::translated(qreal adx, qreal ady) const | |
{ | |
return translated(QPointF(adx, ady)); | |
} | |
inline void QLineF::setLength(qreal len) | |
{ | |
if (isNull()) | |
return; | |
QLineF v = unitVector(); | |
pt2 = QPointF(pt1.x() + v.dx() * len, pt1.y() + v.dy() * len); | |
} | |
inline QPointF QLineF::pointAt(qreal t) const | |
{ | |
qreal vx = pt2.x() - pt1.x(); | |
qreal vy = pt2.y() - pt1.y(); | |
return QPointF(pt1.x() + vx * t, pt1.y() + vy * t); | |
} | |
inline QLine QLineF::toLine() const | |
{ | |
return QLine(pt1.toPoint(), pt2.toPoint()); | |
} | |
inline void QLineF::setP1(const QPointF &aP1) | |
{ | |
pt1 = aP1; | |
} | |
inline void QLineF::setP2(const QPointF &aP2) | |
{ | |
pt2 = aP2; | |
} | |
inline void QLineF::setPoints(const QPointF &aP1, const QPointF &aP2) | |
{ | |
pt1 = aP1; | |
pt2 = aP2; | |
} | |
inline void QLineF::setLine(qreal aX1, qreal aY1, qreal aX2, qreal aY2) | |
{ | |
pt1 = QPointF(aX1, aY1); | |
pt2 = QPointF(aX2, aY2); | |
} | |
inline bool QLineF::operator==(const QLineF &d) const | |
{ | |
return pt1 == d.pt1 && pt2 == d.pt2; | |
} | |
#ifndef QT_NO_DEBUG_STREAM | |
Q_CORE_EXPORT QDebug operator<<(QDebug d, const QLineF &p); | |
#endif | |
#ifndef QT_NO_DATASTREAM | |
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QLineF &); | |
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QLineF &); | |
#endif | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif // QLINE_H |