qline.h - mozsearch

Enable keyboard shortcuts

Revision control

++ // Copyright (C) 2022 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

++ // Qt-Security score:significant reason:default

++

++ #ifndef QLINE_H

++ #define QLINE_H

++

++ #include <QtCore/qpoint.h>

++

++ QT_BEGIN_NAMESPACE

++

++ class QDataStream;

++ class QLineF;

++

++ /*******************************************************************************

++  * class QLine

++  *******************************************************************************/

++

++ class Q_CORE_EXPORT QLine

++ {

++ public:

++     constexpr inline QLine();

++     constexpr inline QLine(const QPoint &pt1, const QPoint &pt2);

++     constexpr inline QLine(int x1, int y1, int x2, int y2);

++

++     constexpr inline bool isNull() const;

++

++     constexpr inline QPoint p1() const;

++     constexpr inline QPoint p2() const;

++

++     constexpr inline int x1() const;

++     constexpr inline int y1() const;

++

++     constexpr inline int x2() const;

++     constexpr inline int y2() const;

++

++     constexpr inline int dx() const;

++     constexpr inline int dy() const;

++

++     constexpr inline void translate(const QPoint &p);

++     constexpr inline void translate(int dx, int dy);

++

++     [[nodiscard]] constexpr inline QLine translated(const QPoint &p) const;

++     [[nodiscard]] constexpr inline QLine translated(int dx, int dy) const;

++

++     [[nodiscard]] constexpr inline QPoint center() 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);

++

++ #if QT_CORE_REMOVED_SINCE(6, 8)

++     constexpr inline bool operator==(const QLine &d) const noexcept;

++     constexpr inline bool operator!=(const QLine &d) const noexcept { return !operator==(d); }

++ #endif

++

++     [[nodiscard]] constexpr inline QLineF toLineF() const noexcept;

++

++ private:

++     friend constexpr bool comparesEqual(const QLine &lhs, const QLine &rhs) noexcept

++     { return lhs.pt1 == rhs.pt1 && lhs.pt2 == rhs.pt2; }

++ #if !QT_CORE_REMOVED_SINCE(6, 8)

++     Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QLine)

++ #endif

++

++     QPoint pt1, pt2;

++ };

++ Q_DECLARE_TYPEINFO(QLine, Q_PRIMITIVE_TYPE);

++

++ /*******************************************************************************

++  * class QLine inline members

++  *******************************************************************************/

++

++ constexpr inline QLine::QLine() { }

++

++ constexpr inline QLine::QLine(const QPoint &pt1_, const QPoint &pt2_) : pt1(pt1_), pt2(pt2_) { }

++

++ constexpr inline QLine::QLine(int x1pos, int y1pos, int x2pos, int y2pos) : pt1(QPoint(x1pos, y1pos)), pt2(QPoint(x2pos, y2pos)) { }

++

++ constexpr inline bool QLine::isNull() const

++ {

++     return pt1 == pt2;

++ }

++

++ constexpr inline int QLine::x1() const

++ {

++     return pt1.x();

++ }

++

++ constexpr inline int QLine::y1() const

++ {

++     return pt1.y();

++ }

++

++ constexpr inline int QLine::x2() const

++ {

++     return pt2.x();

++ }

++

++ constexpr inline int QLine::y2() const

++ {

++     return pt2.y();

++ }

++

++ constexpr inline QPoint QLine::p1() const

++ {

++     return pt1;

++ }

++

++ constexpr inline QPoint QLine::p2() const

++ {

++     return pt2;

++ }

++

++ constexpr inline int QLine::dx() const

++ {

++     return (pt2.xp - pt1.xp).value();

++ }

++

++ constexpr inline int QLine::dy() const

++ {

++     return (pt2.yp - pt1.yp).value();

++ }

++

++ constexpr inline void QLine::translate(const QPoint &point)

++ {

++     pt1 += point;

++     pt2 += point;

++ }

++

++ constexpr inline void QLine::translate(int adx, int ady)

++ {

++     this->translate(QPoint(adx, ady));

++ }

++

++ constexpr inline QLine QLine::translated(const QPoint &p) const

++ {

++     return QLine(pt1 + p, pt2 + p);

++ }

++

++ constexpr inline QLine QLine::translated(int adx, int ady) const

++ {

++     return translated(QPoint(adx, ady));

++ }

++

++ constexpr inline QPoint QLine::center() const

++ {

++     return QPoint(int((qint64(pt1.x()) + pt2.x()) / 2), int((qint64(pt1.y()) + pt2.y()) / 2));

++ }

++

++ 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);

++ }

++

++ #if QT_CORE_REMOVED_SINCE(6, 8)

++ constexpr inline bool QLine::operator==(const QLine &d) const noexcept

++ {

++     return comparesEqual(*this, d);

++ }

++ #endif

++

++ #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 IntersectionType { NoIntersection, BoundedIntersection, UnboundedIntersection };

++     using IntersectType = IntersectionType; // deprecated name

++

++     constexpr inline QLineF();

++     constexpr inline QLineF(const QPointF &pt1, const QPointF &pt2);

++     constexpr inline QLineF(qreal x1, qreal y1, qreal x2, qreal y2);

++     constexpr inline QLineF(const QLine &line) : pt1(line.p1()), pt2(line.p2()) { }

++

++     [[nodiscard]] static QLineF fromPolar(qreal length, qreal angle);

++

++     constexpr bool isNull() const;

++

++     constexpr inline QPointF p1() const;

++     constexpr inline QPointF p2() const;

++

++     constexpr inline qreal x1() const;

++     constexpr inline qreal y1() const;

++

++     constexpr inline qreal x2() const;

++     constexpr inline qreal y2() const;

++

++     constexpr inline qreal dx() const;

++     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;

++

++     [[nodiscard]] QLineF unitVector() const;

++     [[nodiscard]] constexpr inline QLineF normalVector() const;

++

++     IntersectionType intersects(const QLineF &l, QPointF *intersectionPoint = nullptr) const;

++

++     constexpr inline QPointF pointAt(qreal t) const;

++     constexpr inline void translate(const QPointF &p);

++     constexpr inline void translate(qreal dx, qreal dy);

++

++     [[nodiscard]] constexpr inline QLineF translated(const QPointF &p) const;

++     [[nodiscard]] constexpr inline QLineF translated(qreal dx, qreal dy) const;

++

++     [[nodiscard]] constexpr inline QPointF center() 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);

++

++ #if QT_CORE_REMOVED_SINCE(6, 8)

++     constexpr inline bool operator==(const QLineF &d) const;

++     constexpr inline bool operator!=(const QLineF &d) const { return !operator==(d); }

++ #endif

++

++     constexpr QLine toLine() const;

++

++ private:

++     friend constexpr bool comparesEqual(const QLineF &lhs, const QLineF &rhs) noexcept

++     { return lhs.pt1 == rhs.pt1 && lhs.pt2 == rhs.pt2; }

++ #if !QT_CORE_REMOVED_SINCE(6, 8)

++     Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QLineF)

++ #endif

++

++     friend constexpr bool comparesEqual(const QLineF &lhs, const QLine &rhs) noexcept

++     { return comparesEqual(lhs, rhs.toLineF()); }

++     Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QLineF, QLine)

++

++     friend constexpr bool qFuzzyCompare(const QLineF &lhs, const QLineF &rhs) noexcept

++     { return qFuzzyCompare(lhs.pt1, rhs.pt1) && qFuzzyCompare(lhs.pt2, rhs.pt2); }

++

++     friend constexpr bool qFuzzyIsNull(const QLineF &line) noexcept

++     { return qFuzzyCompare(line.pt1, line.pt2); }

++

++     QPointF pt1, pt2;

++ };

++ Q_DECLARE_TYPEINFO(QLineF, Q_PRIMITIVE_TYPE);

++

++ /*******************************************************************************

++  * class QLineF inline members

++  *******************************************************************************/

++

++ constexpr inline QLineF::QLineF()

++ {

++ }

++

++ constexpr inline QLineF::QLineF(const QPointF &apt1, const QPointF &apt2)

++     : pt1(apt1), pt2(apt2)

++ {

++ }

++

++ constexpr inline QLineF::QLineF(qreal x1pos, qreal y1pos, qreal x2pos, qreal y2pos)

++     : pt1(x1pos, y1pos), pt2(x2pos, y2pos)

++ {

++ }

++

++ constexpr inline qreal QLineF::x1() const

++ {

++     return pt1.x();

++ }

++

++ constexpr inline qreal QLineF::y1() const

++ {

++     return pt1.y();

++ }

++

++ constexpr inline qreal QLineF::x2() const

++ {

++     return pt2.x();

++ }

++

++ constexpr inline qreal QLineF::y2() const

++ {

++     return pt2.y();

++ }

++

++ constexpr inline bool QLineF::isNull() const

++ {

++     return qFuzzyCompare(pt1, pt2);

++ }

++

++ constexpr inline QPointF QLineF::p1() const

++ {

++     return pt1;

++ }

++

++ constexpr inline QPointF QLineF::p2() const

++ {

++     return pt2;

++ }

++

++ constexpr inline qreal QLineF::dx() const

++ {

++     return pt2.x() - pt1.x();

++ }

++

++ constexpr inline qreal QLineF::dy() const

++ {

++     return pt2.y() - pt1.y();

++ }

++

++ constexpr inline QLineF QLineF::normalVector() const

++ {

++     return QLineF(p1(), p1() + QPointF(dy(), -dx()));

++ }

++

++ constexpr inline void QLineF::translate(const QPointF &point)

++ {

++     pt1 += point;

++     pt2 += point;

++ }

++

++ constexpr inline void QLineF::translate(qreal adx, qreal ady)

++ {

++     this->translate(QPointF(adx, ady));

++ }

++

++ constexpr inline QLineF QLineF::translated(const QPointF &p) const

++ {

++     return QLineF(pt1 + p, pt2 + p);

++ }

++

++ constexpr inline QLineF QLineF::translated(qreal adx, qreal ady) const

++ {

++     return translated(QPointF(adx, ady));

++ }

++

++ constexpr inline QPointF QLineF::center() const

++ {

++     return QPointF(0.5 * pt1.x() + 0.5 * pt2.x(), 0.5 * pt1.y() + 0.5 * pt2.y());

++ }

++

++ inline void QLineF::setLength(qreal len)

++ {

++     Q_ASSERT(qIsFinite(len));

++     const qreal oldLength = length();

++     Q_ASSERT(qIsFinite(oldLength));

++     // Scale len by dx() / length() and dy() / length(), two O(1) quantities,

++     // rather than scaling dx() and dy() by len / length(), which might overflow.

++     if (oldLength > 0)

++         pt2 = QPointF(pt1.x() + len * (dx() / oldLength), pt1.y() + len * (dy() / oldLength));

++ }

++

++ constexpr inline QPointF QLineF::pointAt(qreal t) const

++ {

++     return QPointF(pt1.x() + (pt2.x() - pt1.x()) * t, pt1.y() + (pt2.y() - pt1.y()) * t);

++ }

++

++ constexpr inline QLineF QLine::toLineF() const noexcept { return *this; }

++

++ 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);

++ }

++

++ #if QT_CORE_REMOVED_SINCE(6, 8)

++ constexpr inline bool QLineF::operator==(const QLineF &d) const

++ {

++     return comparesEqual(*this, d);

++ }

++ #endif

++

++

++ #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