// Copyright (C) 2016 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 QFIXED_P_H

#define QFIXED_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtGui/private/qtguiglobal_p.h>

#include "QtCore/qdebug.h"

#include "QtCore/qpoint.h"

#include "QtCore/qnumeric.h"

#include "QtCore/qsize.h"

QT_BEGIN_NAMESPACE

struct QFixed {

private:

    constexpr QFixed(int val, int) : val(val) {} // 2nd int is just a dummy for disambiguation

public:

    constexpr QFixed() : val(0) {}

    constexpr QFixed(int i) : val(i * 64) {}

    constexpr QFixed(long i) : val(i * 64) {}

    constexpr QFixed(long long i) : val(i * 64) {}

    constexpr static QFixed fromReal(qreal r) { return fromFixed((int)(r*qreal(64))); }

    constexpr static QFixed fromFixed(int fixed) { return QFixed(fixed,0); } // uses private ctor

    constexpr inline int value() const { return val; }

    inline void setValue(int value) { val = value; }

    constexpr inline int toInt() const { return (((val)+32) & -64)>>6; }

    constexpr inline qreal toReal() const { return ((qreal)val)/(qreal)64; }

    constexpr inline int truncate() const { return val>>6; }

    constexpr inline QFixed round() const { return fromFixed(((val)+32) & -64); }

    constexpr inline QFixed floor() const { return fromFixed((val) & -64); }

    constexpr inline QFixed ceil() const { return fromFixed((val+63) & -64); }

    constexpr inline QFixed operator+(int i) const { return fromFixed(val + i * 64); }

    constexpr inline QFixed operator+(uint i) const { return fromFixed((val + (i<<6))); }

    constexpr inline QFixed operator+(QFixed other) const { return fromFixed((val + other.val)); }

    inline QFixed &operator+=(int i) { val += i * 64; return *this; }

    inline QFixed &operator+=(uint i) { val += (i<<6); return *this; }

    inline QFixed &operator+=(QFixed other) { val += other.val; return *this; }

    constexpr inline QFixed operator-(int i) const { return fromFixed(val - i * 64); }

    constexpr inline QFixed operator-(uint i) const { return fromFixed((val - (i<<6))); }

    constexpr inline QFixed operator-(QFixed other) const { return fromFixed((val - other.val)); }

    inline QFixed &operator-=(int i) { val -= i * 64; return *this; }

    inline QFixed &operator-=(uint i) { val -= (i<<6); return *this; }

    inline QFixed &operator-=(QFixed other) { val -= other.val; return *this; }

    constexpr inline QFixed operator-() const { return fromFixed(-val); }

#define REL_OP(op) \

    friend constexpr bool operator op(QFixed lhs, QFixed rhs) noexcept \

    { return lhs.val op rhs.val; }

operator==(QFixed, QFixed)

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Count

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66

18.3M

    { return lhs.val op rhs.val; }

operator!=(QFixed, QFixed)

Line

Count

Source

66

13.7M

    { return lhs.val op rhs.val; }

operator<(QFixed, QFixed)

Line

Count

Source

66

104M

    { return lhs.val op rhs.val; }

operator>(QFixed, QFixed)

Line

Count

Source

66

32.8M

    { return lhs.val op rhs.val; }

operator<=(QFixed, QFixed)

Line

Count

Source

66

2.33M

    { return lhs.val op rhs.val; }

operator>=(QFixed, QFixed)

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Count

Source

66

34.4M

    { return lhs.val op rhs.val; }

    REL_OP(==)

    REL_OP(!=)

    REL_OP(< )

    REL_OP(> )

    REL_OP(<=)

    REL_OP(>=)

#undef REL_OP

    constexpr inline bool operator!() const { return !val; }

    inline QFixed &operator/=(int x) { val /= x; return *this; }

    inline QFixed &operator/=(QFixed o) {

        if (o.val == 0) {

            val = 0x7FFFFFFFL;

        } else {

            bool neg = false;

            qint64 a = val;

            qint64 b = o.val;

            if (a < 0) { a = -a; neg = true; }

            if (b < 0) { b = -b; neg = !neg; }

            int res = (int)(((a << 6) + (b >> 1)) / b);

            val = (neg ? -res : res);

        }

        return *this;

    }

    constexpr inline QFixed operator/(int d) const { return fromFixed(val/d); }

    inline QFixed operator/(QFixed b) const { QFixed f = *this; return (f /= b); }

    inline QFixed operator>>(int d) const { QFixed f = *this; f.val >>= d; return f; }

    inline QFixed &operator*=(int i) { val *= i; return *this; }

    inline QFixed &operator*=(uint i) { val *= i; return *this; }

    inline QFixed &operator*=(QFixed o) {

        bool neg = false;

        qint64 a = val;

        qint64 b = o.val;

        if (a < 0) { a = -a; neg = true; }

        if (b < 0) { b = -b; neg = !neg; }

        int res = (int)((a * b + 0x20L) >> 6);

        val = neg ? -res : res;

        return *this;

    }

    constexpr inline QFixed operator*(int i) const { return fromFixed(val * i); }

    constexpr inline QFixed operator*(uint i) const { return fromFixed(val * i); }

    inline QFixed operator*(QFixed o) const { QFixed f = *this; return (f *= o); }

private:

    constexpr QFixed(qreal i) : val((int)(i*qreal(64))) {}

    constexpr inline QFixed operator+(qreal i) const { return fromFixed((val + (int)(i*qreal(64)))); }

    inline QFixed &operator+=(qreal i) { val += (int)(i*64); return *this; }

    constexpr inline QFixed operator-(qreal i) const { return fromFixed((val - (int)(i*qreal(64)))); }

    inline QFixed &operator-=(qreal i) { val -= (int)(i*64); return *this; }

    inline QFixed &operator/=(qreal r) { val = (int)(val/r); return *this; }

    constexpr inline QFixed operator/(qreal d) const { return fromFixed((int)(val/d)); }

    inline QFixed &operator*=(qreal d) { val = (int) (val*d); return *this; }

    constexpr inline QFixed operator*(qreal d) const { return fromFixed((int) (val*d)); }

    int val;

};

Q_DECLARE_TYPEINFO(QFixed, Q_PRIMITIVE_TYPE);

#define QFIXED_MAX (INT_MAX/256)

constexpr inline int qRound(QFixed f) { return f.toInt(); }

constexpr inline int qFloor(QFixed f) { return f.floor().truncate(); }

constexpr inline QFixed operator*(int i, QFixed d) { return d*i; }

constexpr inline QFixed operator+(int i, QFixed d) { return d+i; }

constexpr inline QFixed operator-(int i, QFixed d) { return -(d-i); }

constexpr inline QFixed operator*(uint i, QFixed d) { return d*i; }

constexpr inline QFixed operator+(uint i, QFixed d) { return d+i; }

constexpr inline QFixed operator-(uint i, QFixed d) { return -(d-i); }

// constexpr inline QFixed operator*(qreal d, QFixed d2) { return d2*d; }

inline bool qAddOverflow(QFixed v1, QFixed v2, QFixed *r)

{

    int val;

    bool result = qAddOverflow(v1.value(), v2.value(), &val);

    r->setValue(val);

    return result;

}

inline bool qMulOverflow(QFixed v1, QFixed v2, QFixed *r)

{

    int val;

    bool result = qMulOverflow(v1.value(), v2.value(), &val);

    r->setValue(val);

    return result;

}

#ifndef QT_NO_DEBUG_STREAM

inline QDebug &operator<<(QDebug &dbg, QFixed f)

{ return dbg << f.toReal(); }

#endif

struct QFixedPoint {

    QFixed x;

    QFixed y;

    constexpr inline QFixedPoint() {}

    constexpr inline QFixedPoint(QFixed _x, QFixed _y) : x(_x), y(_y) {}

    constexpr QPointF toPointF() const { return QPointF(x.toReal(), y.toReal()); }

    constexpr static QFixedPoint fromPointF(const QPointF &p) {

        return QFixedPoint(QFixed::fromReal(p.x()), QFixed::fromReal(p.y()));

    }

    constexpr inline bool operator==(const QFixedPoint &other) const

    {

        return x == other.x && y == other.y;

    }

};

Q_DECLARE_TYPEINFO(QFixedPoint, Q_PRIMITIVE_TYPE);

constexpr inline QFixedPoint operator-(const QFixedPoint &p1, const QFixedPoint &p2)

{ return QFixedPoint(p1.x - p2.x, p1.y - p2.y); }

constexpr inline QFixedPoint operator+(const QFixedPoint &p1, const QFixedPoint &p2)

{ return QFixedPoint(p1.x + p2.x, p1.y + p2.y); }

struct QFixedSize {

    QFixed width;

    QFixed height;

    constexpr QFixedSize() {}

    constexpr QFixedSize(QFixed _width, QFixed _height) : width(_width), height(_height) {}

    constexpr QSizeF toSizeF() const { return QSizeF(width.toReal(), height.toReal()); }

    constexpr static QFixedSize fromSizeF(const QSizeF &s) {

        return QFixedSize(QFixed::fromReal(s.width()), QFixed::fromReal(s.height()));

    }

};

Q_DECLARE_TYPEINFO(QFixedSize, Q_PRIMITIVE_TYPE);

QT_END_NAMESPACE

#endif // QTEXTENGINE_P_H