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39 
40 #ifndef QDOUBLEVECTOR2D_P_H
41 #define QDOUBLEVECTOR2D_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #ifdef QT_BUILD_LOCATION_LIB
55 #include <QVector2D>
56 #endif
57 
58 #include "qpositioningglobal_p.h"
59 #include <QtCore/qmetatype.h>
60 #include <QPointF>
61 
62 QT_BEGIN_NAMESPACE
63 
64 class QDoubleVector3D;
65 
66 class Q_POSITIONING_PRIVATE_EXPORT QDoubleVector2D
67 {
68 public:
69     Q_DECL_CONSTEXPR inline QDoubleVector2D();
70     Q_DECL_CONSTEXPR inline QDoubleVector2D(double xpos, double ypos);
71     Q_DECL_CONSTEXPR explicit inline QDoubleVector2D(const QPointF &p);
72     explicit QDoubleVector2D(const QDoubleVector3D &vector);
73 
74     Q_DECL_CONSTEXPR inline double manhattanLength() const;
75     inline bool isNull() const;
76     inline bool isFinite() const;
77 
78     Q_DECL_CONSTEXPR inline double x() const;
79     Q_DECL_CONSTEXPR inline double y() const;
80 
81     inline void setX(double x);
82     inline void setY(double y);
83 
84     double length() const;
85     Q_DECL_CONSTEXPR inline double lengthSquared() const;
86 
87     QDoubleVector2D normalized() const;
88     void normalize();
89 
90     inline QDoubleVector2D &operator+=(const QDoubleVector2D &vector);
91     inline QDoubleVector2D &operator-=(const QDoubleVector2D &vector);
92     inline QDoubleVector2D &operator*=(double factor);
93     inline QDoubleVector2D &operator*=(const QDoubleVector2D &vector);
94     inline QDoubleVector2D &operator/=(double divisor);
95     inline QDoubleVector2D &operator/=(const QDoubleVector2D &vector);
96 
dotProduct(const QDoubleVector2D & v1,const QDoubleVector2D & v2)97     Q_DECL_CONSTEXPR static inline double dotProduct(const QDoubleVector2D &v1, const QDoubleVector2D &v2)
98     { return v1.xp * v2.xp + v1.yp * v2.yp; }
99 
100 
101     friend Q_DECL_CONSTEXPR inline bool operator==(const QDoubleVector2D &v1, const QDoubleVector2D &v2);
102     friend Q_DECL_CONSTEXPR inline bool operator!=(const QDoubleVector2D &v1, const QDoubleVector2D &v2);
103     friend Q_DECL_CONSTEXPR inline const QDoubleVector2D operator+(const QDoubleVector2D &v1, const QDoubleVector2D &v2);
104     friend Q_DECL_CONSTEXPR inline const QDoubleVector2D operator-(const QDoubleVector2D &v1, const QDoubleVector2D &v2);
105     friend Q_DECL_CONSTEXPR inline const QDoubleVector2D operator*(double factor, const QDoubleVector2D &vector);
106     friend Q_DECL_CONSTEXPR inline const QDoubleVector2D operator*(const QDoubleVector2D &vector, double factor);
107     friend Q_DECL_CONSTEXPR inline const QDoubleVector2D operator*(const QDoubleVector2D &v1, const QDoubleVector2D &v2);
108     friend Q_DECL_CONSTEXPR inline const QDoubleVector2D operator-(const QDoubleVector2D &vector);
109     friend Q_DECL_CONSTEXPR inline const QDoubleVector2D operator/(const QDoubleVector2D &vector, double divisor);
110 
111     friend Q_DECL_CONSTEXPR inline bool qFuzzyCompare(const QDoubleVector2D &v1, const QDoubleVector2D &v2);
112 
113     QDoubleVector3D toVector3D() const;
114     Q_DECL_CONSTEXPR inline QPointF toPointF() const;
115 
116 private:
117     double xp, yp;
118 
119     friend class QDoubleVector3D;
120 };
121 
122 Q_DECLARE_TYPEINFO(QDoubleVector2D, Q_MOVABLE_TYPE);
123 
QDoubleVector2D()124 Q_DECL_CONSTEXPR inline QDoubleVector2D::QDoubleVector2D() : xp(0.0), yp(0.0) {}
125 
QDoubleVector2D(double xpos,double ypos)126 Q_DECL_CONSTEXPR inline QDoubleVector2D::QDoubleVector2D(double xpos, double ypos) : xp(xpos), yp(ypos) {}
127 
QDoubleVector2D(const QPointF & p)128 Q_DECL_CONSTEXPR inline QDoubleVector2D::QDoubleVector2D(const QPointF &p) : xp(p.x()), yp(p.y()) { }
129 
manhattanLength()130 Q_DECL_CONSTEXPR inline double QDoubleVector2D::manhattanLength() const
131 {
132     return qAbs(x())+qAbs(y());
133 }
134 
isNull()135 inline bool QDoubleVector2D::isNull() const
136 {
137     return qIsNull(xp) && qIsNull(yp);
138 }
139 
isFinite()140 inline bool QDoubleVector2D::isFinite() const
141 {
142     return qIsFinite(xp) && qIsFinite(yp);
143 }
144 
x()145 Q_DECL_CONSTEXPR inline double QDoubleVector2D::x() const { return xp; }
y()146 Q_DECL_CONSTEXPR inline double QDoubleVector2D::y() const { return yp; }
147 
setX(double aX)148 inline void QDoubleVector2D::setX(double aX) { xp = aX; }
setY(double aY)149 inline void QDoubleVector2D::setY(double aY) { yp = aY; }
150 
lengthSquared()151 Q_DECL_CONSTEXPR inline double QDoubleVector2D::lengthSquared() const
152 { return xp * xp + yp * yp; }
153 
154 inline QDoubleVector2D &QDoubleVector2D::operator+=(const QDoubleVector2D &vector)
155 {
156     xp += vector.xp;
157     yp += vector.yp;
158     return *this;
159 }
160 
161 inline QDoubleVector2D &QDoubleVector2D::operator-=(const QDoubleVector2D &vector)
162 {
163     xp -= vector.xp;
164     yp -= vector.yp;
165     return *this;
166 }
167 
168 inline QDoubleVector2D &QDoubleVector2D::operator*=(double factor)
169 {
170     xp *= factor;
171     yp *= factor;
172     return *this;
173 }
174 
175 inline QDoubleVector2D &QDoubleVector2D::operator*=(const QDoubleVector2D &vector)
176 {
177     xp *= vector.xp;
178     yp *= vector.yp;
179     return *this;
180 }
181 
182 inline QDoubleVector2D &QDoubleVector2D::operator/=(double divisor)
183 {
184     xp /= divisor;
185     yp /= divisor;
186     return *this;
187 }
188 
189 inline QDoubleVector2D &QDoubleVector2D::operator/=(const QDoubleVector2D &vector)
190 {
191     xp /= vector.xp;
192     yp /= vector.yp;
193     return *this;
194 }
195 
196 Q_DECL_CONSTEXPR inline bool operator==(const QDoubleVector2D &v1, const QDoubleVector2D &v2)
197 {
198     return v1.xp == v2.xp && v1.yp == v2.yp;
199 }
200 
201 Q_DECL_CONSTEXPR inline bool operator!=(const QDoubleVector2D &v1, const QDoubleVector2D &v2)
202 {
203     return v1.xp != v2.xp || v1.yp != v2.yp;
204 }
205 
206 Q_DECL_CONSTEXPR inline const QDoubleVector2D operator+(const QDoubleVector2D &v1, const QDoubleVector2D &v2)
207 {
208     return QDoubleVector2D(v1.xp + v2.xp, v1.yp + v2.yp);
209 }
210 
211 Q_DECL_CONSTEXPR inline const QDoubleVector2D operator-(const QDoubleVector2D &v1, const QDoubleVector2D &v2)
212 {
213     return QDoubleVector2D(v1.xp - v2.xp, v1.yp - v2.yp);
214 }
215 
216 Q_DECL_CONSTEXPR inline const QDoubleVector2D operator*(double factor, const QDoubleVector2D &vector)
217 {
218     return QDoubleVector2D(vector.xp * factor, vector.yp * factor);
219 }
220 
221 Q_DECL_CONSTEXPR inline const QDoubleVector2D operator*(const QDoubleVector2D &vector, double factor)
222 {
223     return QDoubleVector2D(vector.xp * factor, vector.yp * factor);
224 }
225 
226 Q_DECL_CONSTEXPR inline const QDoubleVector2D operator*(const QDoubleVector2D &v1, const QDoubleVector2D &v2)
227 {
228     return QDoubleVector2D(v1.xp * v2.xp, v1.yp * v2.yp);
229 }
230 
231 Q_DECL_CONSTEXPR inline const QDoubleVector2D operator-(const QDoubleVector2D &vector)
232 {
233     return QDoubleVector2D(-vector.xp, -vector.yp);
234 }
235 
236 Q_DECL_CONSTEXPR inline const QDoubleVector2D operator/(const QDoubleVector2D &vector, double divisor)
237 {
238     return QDoubleVector2D(vector.xp / divisor, vector.yp / divisor);
239 }
240 
qFuzzyCompare(const QDoubleVector2D & v1,const QDoubleVector2D & v2)241 Q_DECL_CONSTEXPR inline bool qFuzzyCompare(const QDoubleVector2D &v1, const QDoubleVector2D &v2)
242 {
243     return qFuzzyCompare(v1.xp, v2.xp) && qFuzzyCompare(v1.yp, v2.yp);
244 }
245 
toPointF()246 Q_DECL_CONSTEXPR inline QPointF QDoubleVector2D::toPointF() const
247 {
248     return QPointF(qreal(xp), qreal(yp));
249 }
250 
251 #ifndef QT_NO_DEBUG_STREAM
252 Q_POSITIONING_EXPORT QDebug operator<<(QDebug dbg, const QDoubleVector2D &vector);
253 #endif
254 
255 #ifndef QT_NO_DATASTREAM
256 Q_POSITIONING_EXPORT QDataStream &operator<<(QDataStream &, const QDoubleVector2D &);
257 Q_POSITIONING_EXPORT QDataStream &operator>>(QDataStream &, QDoubleVector2D &);
258 #endif
259 
260 QT_END_NAMESPACE
261 
262 #endif
263