| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see http://www.qt.io/terms-conditions. For further |
| ** information use the contact form at http://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 2.1 or version 3 as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.LGPLv21 and |
| ** LICENSE.LGPLv3 included in the packaging of this file. Please review the |
| ** following information to ensure the GNU Lesser General Public License |
| ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** As a special exception, The Qt Company gives you certain additional |
| ** rights. These rights are described in The Qt Company LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QLINE_H |
| #define QLINE_H |
| |
| #include <QtCore/qpoint.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| /******************************************************************************* |
| * class QLine |
| *******************************************************************************/ |
| |
| class Q_CORE_EXPORT QLine |
| { |
| public: |
| Q_DECL_CONSTEXPR inline QLine(); |
| Q_DECL_CONSTEXPR inline QLine(const QPoint &pt1, const QPoint &pt2); |
| Q_DECL_CONSTEXPR inline QLine(int x1, int y1, int x2, int y2); |
| |
| Q_DECL_CONSTEXPR inline bool isNull() const; |
| |
| Q_DECL_CONSTEXPR inline QPoint p1() const; |
| Q_DECL_CONSTEXPR inline QPoint p2() const; |
| |
| Q_DECL_CONSTEXPR inline int x1() const; |
| Q_DECL_CONSTEXPR inline int y1() const; |
| |
| Q_DECL_CONSTEXPR inline int x2() const; |
| Q_DECL_CONSTEXPR inline int y2() const; |
| |
| Q_DECL_CONSTEXPR inline int dx() const; |
| Q_DECL_CONSTEXPR inline int dy() const; |
| |
| inline void translate(const QPoint &p); |
| inline void translate(int dx, int dy); |
| |
| Q_DECL_CONSTEXPR inline QLine translated(const QPoint &p) const Q_REQUIRED_RESULT; |
| Q_DECL_CONSTEXPR inline QLine translated(int dx, int dy) const Q_REQUIRED_RESULT; |
| |
| 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); |
| |
| Q_DECL_CONSTEXPR inline bool operator==(const QLine &d) const; |
| Q_DECL_CONSTEXPR 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 |
| *******************************************************************************/ |
| |
| Q_DECL_CONSTEXPR inline QLine::QLine() { } |
| |
| Q_DECL_CONSTEXPR inline QLine::QLine(const QPoint &pt1_, const QPoint &pt2_) : pt1(pt1_), pt2(pt2_) { } |
| |
| Q_DECL_CONSTEXPR inline QLine::QLine(int x1pos, int y1pos, int x2pos, int y2pos) : pt1(QPoint(x1pos, y1pos)), pt2(QPoint(x2pos, y2pos)) { } |
| |
| Q_DECL_CONSTEXPR inline bool QLine::isNull() const |
| { |
| return pt1 == pt2; |
| } |
| |
| Q_DECL_CONSTEXPR inline int QLine::x1() const |
| { |
| return pt1.x(); |
| } |
| |
| Q_DECL_CONSTEXPR inline int QLine::y1() const |
| { |
| return pt1.y(); |
| } |
| |
| Q_DECL_CONSTEXPR inline int QLine::x2() const |
| { |
| return pt2.x(); |
| } |
| |
| Q_DECL_CONSTEXPR inline int QLine::y2() const |
| { |
| return pt2.y(); |
| } |
| |
| Q_DECL_CONSTEXPR inline QPoint QLine::p1() const |
| { |
| return pt1; |
| } |
| |
| Q_DECL_CONSTEXPR inline QPoint QLine::p2() const |
| { |
| return pt2; |
| } |
| |
| Q_DECL_CONSTEXPR inline int QLine::dx() const |
| { |
| return pt2.x() - pt1.x(); |
| } |
| |
| Q_DECL_CONSTEXPR 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)); |
| } |
| |
| Q_DECL_CONSTEXPR inline QLine QLine::translated(const QPoint &p) const |
| { |
| return QLine(pt1 + p, pt2 + p); |
| } |
| |
| Q_DECL_CONSTEXPR 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); |
| } |
| |
| Q_DECL_CONSTEXPR 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 }; |
| |
| Q_DECL_CONSTEXPR inline QLineF(); |
| Q_DECL_CONSTEXPR inline QLineF(const QPointF &pt1, const QPointF &pt2); |
| Q_DECL_CONSTEXPR inline QLineF(qreal x1, qreal y1, qreal x2, qreal y2); |
| Q_DECL_CONSTEXPR inline QLineF(const QLine &line) : pt1(line.p1()), pt2(line.p2()) { } |
| |
| static QLineF fromPolar(qreal length, qreal angle) Q_REQUIRED_RESULT; |
| |
| Q_DECL_CONSTEXPR bool isNull() const; |
| |
| Q_DECL_CONSTEXPR inline QPointF p1() const; |
| Q_DECL_CONSTEXPR inline QPointF p2() const; |
| |
| Q_DECL_CONSTEXPR inline qreal x1() const; |
| Q_DECL_CONSTEXPR inline qreal y1() const; |
| |
| Q_DECL_CONSTEXPR inline qreal x2() const; |
| Q_DECL_CONSTEXPR inline qreal y2() const; |
| |
| Q_DECL_CONSTEXPR inline qreal dx() const; |
| Q_DECL_CONSTEXPR 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 Q_REQUIRED_RESULT; |
| Q_DECL_CONSTEXPR inline QLineF normalVector() const Q_REQUIRED_RESULT; |
| |
| // ### Qt 6: rename intersects() or intersection() and rename IntersectType IntersectionType |
| IntersectType intersect(const QLineF &l, QPointF *intersectionPoint) const; |
| |
| qreal angle(const QLineF &l) const; |
| |
| Q_DECL_CONSTEXPR inline QPointF pointAt(qreal t) const; |
| inline void translate(const QPointF &p); |
| inline void translate(qreal dx, qreal dy); |
| |
| Q_DECL_CONSTEXPR inline QLineF translated(const QPointF &p) const Q_REQUIRED_RESULT; |
| Q_DECL_CONSTEXPR inline QLineF translated(qreal dx, qreal dy) const Q_REQUIRED_RESULT; |
| |
| 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); |
| |
| Q_DECL_CONSTEXPR inline bool operator==(const QLineF &d) const; |
| Q_DECL_CONSTEXPR inline bool operator!=(const QLineF &d) const { return !(*this == d); } |
| |
| Q_DECL_CONSTEXPR QLine toLine() const; |
| |
| private: |
| QPointF pt1, pt2; |
| }; |
| Q_DECLARE_TYPEINFO(QLineF, Q_MOVABLE_TYPE); |
| |
| /******************************************************************************* |
| * class QLineF inline members |
| *******************************************************************************/ |
| |
| Q_DECL_CONSTEXPR inline QLineF::QLineF() |
| { |
| } |
| |
| Q_DECL_CONSTEXPR inline QLineF::QLineF(const QPointF &apt1, const QPointF &apt2) |
| : pt1(apt1), pt2(apt2) |
| { |
| } |
| |
| Q_DECL_CONSTEXPR inline QLineF::QLineF(qreal x1pos, qreal y1pos, qreal x2pos, qreal y2pos) |
| : pt1(x1pos, y1pos), pt2(x2pos, y2pos) |
| { |
| } |
| |
| Q_DECL_CONSTEXPR inline qreal QLineF::x1() const |
| { |
| return pt1.x(); |
| } |
| |
| Q_DECL_CONSTEXPR inline qreal QLineF::y1() const |
| { |
| return pt1.y(); |
| } |
| |
| Q_DECL_CONSTEXPR inline qreal QLineF::x2() const |
| { |
| return pt2.x(); |
| } |
| |
| Q_DECL_CONSTEXPR inline qreal QLineF::y2() const |
| { |
| return pt2.y(); |
| } |
| |
| Q_DECL_CONSTEXPR inline bool QLineF::isNull() const |
| { |
| return qFuzzyCompare(pt1.x(), pt2.x()) && qFuzzyCompare(pt1.y(), pt2.y()); |
| } |
| |
| Q_DECL_CONSTEXPR inline QPointF QLineF::p1() const |
| { |
| return pt1; |
| } |
| |
| Q_DECL_CONSTEXPR inline QPointF QLineF::p2() const |
| { |
| return pt2; |
| } |
| |
| Q_DECL_CONSTEXPR inline qreal QLineF::dx() const |
| { |
| return pt2.x() - pt1.x(); |
| } |
| |
| Q_DECL_CONSTEXPR inline qreal QLineF::dy() const |
| { |
| return pt2.y() - pt1.y(); |
| } |
| |
| Q_DECL_CONSTEXPR 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)); |
| } |
| |
| Q_DECL_CONSTEXPR inline QLineF QLineF::translated(const QPointF &p) const |
| { |
| return QLineF(pt1 + p, pt2 + p); |
| } |
| |
| Q_DECL_CONSTEXPR 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); |
| } |
| |
| Q_DECL_CONSTEXPR inline QPointF QLineF::pointAt(qreal t) const |
| { |
| return QPointF(pt1.x() + (pt2.x() - pt1.x()) * t, pt1.y() + (pt2.y() - pt1.y()) * t); |
| } |
| |
| Q_DECL_CONSTEXPR 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); |
| } |
| |
| |
| Q_DECL_CONSTEXPR 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 |
| |
| #endif // QLINE_H |