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baldurk
768e812e45
* On windows it's strongly desired to be able to compile straight out of a clean checkout or source download. This means anyone can download the source and investigate something quickly, without having to worry about the hassle of figuring out how the project downloads 3rd party dependencies, fetching them, getting them registered in the right place. * This can't be put in a submodule as git submodules don't get downloaded by default so people new to git will get confusing compilation messages, and someone downloading the source from github directly without cloning via git won't get submodules included. * It does add some extra size to a fresh download/checkout which is unfortunate, but absolutely worth the cost. Shallow checkouts still aren't unfeasibly large, and it's only a one-off cost at clone time.
318 lines
10 KiB
C++
318 lines
10 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QVECTOR4D_H
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#define QVECTOR4D_H
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#include <QtGui/qtguiglobal.h>
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#include <QtCore/qpoint.h>
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#include <QtCore/qmetatype.h>
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QT_BEGIN_NAMESPACE
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class QMatrix4x4;
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class QVector2D;
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class QVector3D;
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#ifndef QT_NO_VECTOR4D
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class Q_GUI_EXPORT QVector4D
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{
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public:
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Q_DECL_CONSTEXPR QVector4D();
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explicit QVector4D(Qt::Initialization) {}
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Q_DECL_CONSTEXPR QVector4D(float xpos, float ypos, float zpos, float wpos);
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Q_DECL_CONSTEXPR explicit QVector4D(const QPoint& point);
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Q_DECL_CONSTEXPR explicit QVector4D(const QPointF& point);
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#ifndef QT_NO_VECTOR2D
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QVector4D(const QVector2D& vector);
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QVector4D(const QVector2D& vector, float zpos, float wpos);
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#endif
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#ifndef QT_NO_VECTOR3D
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QVector4D(const QVector3D& vector);
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QVector4D(const QVector3D& vector, float wpos);
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#endif
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bool isNull() const;
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Q_DECL_CONSTEXPR float x() const;
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Q_DECL_CONSTEXPR float y() const;
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Q_DECL_CONSTEXPR float z() const;
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Q_DECL_CONSTEXPR float w() const;
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void setX(float x);
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void setY(float y);
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void setZ(float z);
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void setW(float w);
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float &operator[](int i);
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float operator[](int i) const;
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float length() const;
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float lengthSquared() const; //In Qt 6 convert to inline and constexpr
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Q_REQUIRED_RESULT QVector4D normalized() const;
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void normalize();
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QVector4D &operator+=(const QVector4D &vector);
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QVector4D &operator-=(const QVector4D &vector);
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QVector4D &operator*=(float factor);
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QVector4D &operator*=(const QVector4D &vector);
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QVector4D &operator/=(float divisor);
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inline QVector4D &operator/=(const QVector4D &vector);
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static float dotProduct(const QVector4D& v1, const QVector4D& v2); //In Qt 6 convert to inline and constexpr
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Q_DECL_CONSTEXPR friend inline bool operator==(const QVector4D &v1, const QVector4D &v2);
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Q_DECL_CONSTEXPR friend inline bool operator!=(const QVector4D &v1, const QVector4D &v2);
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Q_DECL_CONSTEXPR friend inline const QVector4D operator+(const QVector4D &v1, const QVector4D &v2);
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Q_DECL_CONSTEXPR friend inline const QVector4D operator-(const QVector4D &v1, const QVector4D &v2);
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Q_DECL_CONSTEXPR friend inline const QVector4D operator*(float factor, const QVector4D &vector);
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Q_DECL_CONSTEXPR friend inline const QVector4D operator*(const QVector4D &vector, float factor);
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Q_DECL_CONSTEXPR friend inline const QVector4D operator*(const QVector4D &v1, const QVector4D& v2);
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Q_DECL_CONSTEXPR friend inline const QVector4D operator-(const QVector4D &vector);
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Q_DECL_CONSTEXPR friend inline const QVector4D operator/(const QVector4D &vector, float divisor);
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Q_DECL_CONSTEXPR friend inline const QVector4D operator/(const QVector4D &vector, const QVector4D &divisor);
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Q_DECL_CONSTEXPR friend inline bool qFuzzyCompare(const QVector4D& v1, const QVector4D& v2);
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#ifndef QT_NO_VECTOR2D
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QVector2D toVector2D() const;
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QVector2D toVector2DAffine() const;
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#endif
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#ifndef QT_NO_VECTOR3D
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QVector3D toVector3D() const;
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QVector3D toVector3DAffine() const;
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#endif
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Q_DECL_CONSTEXPR QPoint toPoint() const;
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Q_DECL_CONSTEXPR QPointF toPointF() const;
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operator QVariant() const;
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private:
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float xp, yp, zp, wp;
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friend class QVector2D;
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friend class QVector3D;
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#ifndef QT_NO_MATRIX4X4
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friend QVector4D operator*(const QVector4D& vector, const QMatrix4x4& matrix);
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friend QVector4D operator*(const QMatrix4x4& matrix, const QVector4D& vector);
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#endif
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};
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Q_DECLARE_TYPEINFO(QVector4D, Q_PRIMITIVE_TYPE);
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Q_DECL_CONSTEXPR inline QVector4D::QVector4D() : xp(0.0f), yp(0.0f), zp(0.0f), wp(0.0f) {}
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Q_DECL_CONSTEXPR inline QVector4D::QVector4D(float xpos, float ypos, float zpos, float wpos) : xp(xpos), yp(ypos), zp(zpos), wp(wpos) {}
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Q_DECL_CONSTEXPR inline QVector4D::QVector4D(const QPoint& point) : xp(point.x()), yp(point.y()), zp(0.0f), wp(0.0f) {}
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Q_DECL_CONSTEXPR inline QVector4D::QVector4D(const QPointF& point) : xp(point.x()), yp(point.y()), zp(0.0f), wp(0.0f) {}
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inline bool QVector4D::isNull() const
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{
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return qIsNull(xp) && qIsNull(yp) && qIsNull(zp) && qIsNull(wp);
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}
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Q_DECL_CONSTEXPR inline float QVector4D::x() const { return xp; }
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Q_DECL_CONSTEXPR inline float QVector4D::y() const { return yp; }
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Q_DECL_CONSTEXPR inline float QVector4D::z() const { return zp; }
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Q_DECL_CONSTEXPR inline float QVector4D::w() const { return wp; }
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inline void QVector4D::setX(float aX) { xp = aX; }
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inline void QVector4D::setY(float aY) { yp = aY; }
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inline void QVector4D::setZ(float aZ) { zp = aZ; }
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inline void QVector4D::setW(float aW) { wp = aW; }
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inline float &QVector4D::operator[](int i)
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{
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Q_ASSERT(uint(i) < 4u);
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return *(&xp + i);
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}
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inline float QVector4D::operator[](int i) const
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{
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Q_ASSERT(uint(i) < 4u);
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return *(&xp + i);
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}
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inline QVector4D &QVector4D::operator+=(const QVector4D &vector)
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{
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xp += vector.xp;
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yp += vector.yp;
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zp += vector.zp;
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wp += vector.wp;
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return *this;
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}
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inline QVector4D &QVector4D::operator-=(const QVector4D &vector)
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{
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xp -= vector.xp;
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yp -= vector.yp;
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zp -= vector.zp;
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wp -= vector.wp;
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return *this;
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}
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inline QVector4D &QVector4D::operator*=(float factor)
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{
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xp *= factor;
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yp *= factor;
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zp *= factor;
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wp *= factor;
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return *this;
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}
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inline QVector4D &QVector4D::operator*=(const QVector4D &vector)
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{
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xp *= vector.xp;
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yp *= vector.yp;
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zp *= vector.zp;
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wp *= vector.wp;
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return *this;
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}
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inline QVector4D &QVector4D::operator/=(float divisor)
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{
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xp /= divisor;
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yp /= divisor;
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zp /= divisor;
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wp /= divisor;
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return *this;
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}
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inline QVector4D &QVector4D::operator/=(const QVector4D &vector)
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{
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xp /= vector.xp;
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yp /= vector.yp;
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zp /= vector.zp;
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wp /= vector.wp;
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return *this;
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}
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QT_WARNING_PUSH
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QT_WARNING_DISABLE_CLANG("-Wfloat-equal")
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QT_WARNING_DISABLE_GCC("-Wfloat-equal")
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Q_DECL_CONSTEXPR inline bool operator==(const QVector4D &v1, const QVector4D &v2)
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{
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return v1.xp == v2.xp && v1.yp == v2.yp && v1.zp == v2.zp && v1.wp == v2.wp;
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}
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Q_DECL_CONSTEXPR inline bool operator!=(const QVector4D &v1, const QVector4D &v2)
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{
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return v1.xp != v2.xp || v1.yp != v2.yp || v1.zp != v2.zp || v1.wp != v2.wp;
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}
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QT_WARNING_POP
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Q_DECL_CONSTEXPR inline const QVector4D operator+(const QVector4D &v1, const QVector4D &v2)
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{
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return QVector4D(v1.xp + v2.xp, v1.yp + v2.yp, v1.zp + v2.zp, v1.wp + v2.wp);
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}
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Q_DECL_CONSTEXPR inline const QVector4D operator-(const QVector4D &v1, const QVector4D &v2)
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{
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return QVector4D(v1.xp - v2.xp, v1.yp - v2.yp, v1.zp - v2.zp, v1.wp - v2.wp);
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}
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Q_DECL_CONSTEXPR inline const QVector4D operator*(float factor, const QVector4D &vector)
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{
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return QVector4D(vector.xp * factor, vector.yp * factor, vector.zp * factor, vector.wp * factor);
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}
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Q_DECL_CONSTEXPR inline const QVector4D operator*(const QVector4D &vector, float factor)
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{
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return QVector4D(vector.xp * factor, vector.yp * factor, vector.zp * factor, vector.wp * factor);
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}
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Q_DECL_CONSTEXPR inline const QVector4D operator*(const QVector4D &v1, const QVector4D& v2)
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{
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return QVector4D(v1.xp * v2.xp, v1.yp * v2.yp, v1.zp * v2.zp, v1.wp * v2.wp);
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}
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Q_DECL_CONSTEXPR inline const QVector4D operator-(const QVector4D &vector)
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{
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return QVector4D(-vector.xp, -vector.yp, -vector.zp, -vector.wp);
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}
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Q_DECL_CONSTEXPR inline const QVector4D operator/(const QVector4D &vector, float divisor)
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{
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return QVector4D(vector.xp / divisor, vector.yp / divisor, vector.zp / divisor, vector.wp / divisor);
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}
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Q_DECL_CONSTEXPR inline const QVector4D operator/(const QVector4D &vector, const QVector4D &divisor)
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{
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return QVector4D(vector.xp / divisor.xp, vector.yp / divisor.yp, vector.zp / divisor.zp, vector.wp / divisor.wp);
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}
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Q_DECL_CONSTEXPR inline bool qFuzzyCompare(const QVector4D& v1, const QVector4D& v2)
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{
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return qFuzzyCompare(v1.xp, v2.xp) &&
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qFuzzyCompare(v1.yp, v2.yp) &&
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qFuzzyCompare(v1.zp, v2.zp) &&
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qFuzzyCompare(v1.wp, v2.wp);
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}
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Q_DECL_CONSTEXPR inline QPoint QVector4D::toPoint() const
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{
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return QPoint(qRound(xp), qRound(yp));
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}
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Q_DECL_CONSTEXPR inline QPointF QVector4D::toPointF() const
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{
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return QPointF(qreal(xp), qreal(yp));
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}
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#ifndef QT_NO_DEBUG_STREAM
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Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector4D &vector);
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#endif
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#ifndef QT_NO_DATASTREAM
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Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector4D &);
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Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector4D &);
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#endif
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#endif
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QT_END_NAMESPACE
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#endif
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