| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtCore module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | ** Commercial License Usage |
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| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. Please review the following |
| 32 | ** information to ensure the GNU General Public License requirements will |
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #ifndef QPOINT_H |
| 41 | #define QPOINT_H |
| 42 | |
| 43 | #include <QtCore/qnamespace.h> |
| 44 | |
| 45 | #if defined(Q_OS_DARWIN) || defined(Q_QDOC) |
| 46 | struct CGPoint; |
| 47 | #endif |
| 48 | |
| 49 | QT_BEGIN_NAMESPACE |
| 50 | |
| 51 | class QPoint |
| 52 | { |
| 53 | public: |
| 54 | constexpr QPoint() noexcept; |
| 55 | constexpr QPoint(int xpos, int ypos) noexcept; |
| 56 | |
| 57 | constexpr inline bool isNull() const noexcept; |
| 58 | |
| 59 | constexpr inline int x() const noexcept; |
| 60 | constexpr inline int y() const noexcept; |
| 61 | constexpr inline void setX(int x) noexcept; |
| 62 | constexpr inline void setY(int y) noexcept; |
| 63 | |
| 64 | constexpr inline int manhattanLength() const; |
| 65 | |
| 66 | constexpr QPoint transposed() const noexcept { return {yp, xp}; } |
| 67 | |
| 68 | constexpr inline int &rx() noexcept; |
| 69 | constexpr inline int &ry() noexcept; |
| 70 | |
| 71 | constexpr inline QPoint &operator+=(const QPoint &p); |
| 72 | constexpr inline QPoint &operator-=(const QPoint &p); |
| 73 | |
| 74 | constexpr inline QPoint &operator*=(float factor); |
| 75 | constexpr inline QPoint &operator*=(double factor); |
| 76 | constexpr inline QPoint &operator*=(int factor); |
| 77 | |
| 78 | constexpr inline QPoint &operator/=(qreal divisor); |
| 79 | |
| 80 | constexpr static inline int dotProduct(const QPoint &p1, const QPoint &p2) |
| 81 | { return p1.xp * p2.xp + p1.yp * p2.yp; } |
| 82 | |
| 83 | friend constexpr inline bool operator==(const QPoint &p1, const QPoint &p2) noexcept |
| 84 | { return p1.xp == p2.xp && p1.yp == p2.yp; } |
| 85 | friend constexpr inline bool operator!=(const QPoint &p1, const QPoint &p2) noexcept |
| 86 | { return p1.xp != p2.xp || p1.yp != p2.yp; } |
| 87 | friend constexpr inline QPoint operator+(const QPoint &p1, const QPoint &p2) noexcept |
| 88 | { return QPoint(p1.xp + p2.xp, p1.yp + p2.yp); } |
| 89 | friend constexpr inline QPoint operator-(const QPoint &p1, const QPoint &p2) noexcept |
| 90 | { return QPoint(p1.xp - p2.xp, p1.yp - p2.yp); } |
| 91 | friend constexpr inline QPoint operator*(const QPoint &p, float factor) |
| 92 | { return QPoint(qRound(p.xp * factor), qRound(p.yp * factor)); } |
| 93 | friend constexpr inline QPoint operator*(const QPoint &p, double factor) |
| 94 | { return QPoint(qRound(p.xp * factor), qRound(p.yp * factor)); } |
| 95 | friend constexpr inline QPoint operator*(const QPoint &p, int factor) noexcept |
| 96 | { return QPoint(p.xp * factor, p.yp * factor); } |
| 97 | friend constexpr inline QPoint operator*(float factor, const QPoint &p) |
| 98 | { return QPoint(qRound(p.xp * factor), qRound(p.yp * factor)); } |
| 99 | friend constexpr inline QPoint operator*(double factor, const QPoint &p) |
| 100 | { return QPoint(qRound(p.xp * factor), qRound(p.yp * factor)); } |
| 101 | friend constexpr inline QPoint operator*(int factor, const QPoint &p) noexcept |
| 102 | { return QPoint(p.xp * factor, p.yp * factor); } |
| 103 | friend constexpr inline QPoint operator+(const QPoint &p) noexcept |
| 104 | { return p; } |
| 105 | friend constexpr inline QPoint operator-(const QPoint &p) noexcept |
| 106 | { return QPoint(-p.xp, -p.yp); } |
| 107 | friend constexpr inline QPoint operator/(const QPoint &p, qreal c) |
| 108 | { return QPoint(qRound(p.xp / c), qRound(p.yp / c)); } |
| 109 | |
| 110 | #if defined(Q_OS_DARWIN) || defined(Q_QDOC) |
| 111 | [[nodiscard]] Q_CORE_EXPORT CGPoint toCGPoint() const noexcept; |
| 112 | #endif |
| 113 | |
| 114 | private: |
| 115 | friend class QTransform; |
| 116 | int xp; |
| 117 | int yp; |
| 118 | }; |
| 119 | |
| 120 | Q_DECLARE_TYPEINFO(QPoint, Q_MOVABLE_TYPE); |
| 121 | |
| 122 | /***************************************************************************** |
| 123 | QPoint stream functions |
| 124 | *****************************************************************************/ |
| 125 | #ifndef QT_NO_DATASTREAM |
| 126 | Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPoint &); |
| 127 | Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPoint &); |
| 128 | #endif |
| 129 | |
| 130 | /***************************************************************************** |
| 131 | QPoint inline functions |
| 132 | *****************************************************************************/ |
| 133 | |
| 134 | constexpr inline QPoint::QPoint() noexcept : xp(0), yp(0) {} |
| 135 | |
| 136 | constexpr inline QPoint::QPoint(int xpos, int ypos) noexcept : xp(xpos), yp(ypos) {} |
| 137 | |
| 138 | constexpr inline bool QPoint::isNull() const noexcept |
| 139 | { |
| 140 | return xp == 0 && yp == 0; |
| 141 | } |
| 142 | |
| 143 | constexpr inline int QPoint::x() const noexcept |
| 144 | { |
| 145 | return xp; |
| 146 | } |
| 147 | |
| 148 | constexpr inline int QPoint::y() const noexcept |
| 149 | { |
| 150 | return yp; |
| 151 | } |
| 152 | |
| 153 | constexpr inline void QPoint::setX(int xpos) noexcept |
| 154 | { |
| 155 | xp = xpos; |
| 156 | } |
| 157 | |
| 158 | constexpr inline void QPoint::setY(int ypos) noexcept |
| 159 | { |
| 160 | yp = ypos; |
| 161 | } |
| 162 | |
| 163 | inline int constexpr QPoint::manhattanLength() const |
| 164 | { |
| 165 | return qAbs(x()) + qAbs(y()); |
| 166 | } |
| 167 | |
| 168 | constexpr inline int &QPoint::rx() noexcept |
| 169 | { |
| 170 | return xp; |
| 171 | } |
| 172 | |
| 173 | constexpr inline int &QPoint::ry() noexcept |
| 174 | { |
| 175 | return yp; |
| 176 | } |
| 177 | |
| 178 | constexpr inline QPoint &QPoint::operator+=(const QPoint &p) |
| 179 | { |
| 180 | xp += p.xp; |
| 181 | yp += p.yp; |
| 182 | return *this; |
| 183 | } |
| 184 | |
| 185 | constexpr inline QPoint &QPoint::operator-=(const QPoint &p) |
| 186 | { |
| 187 | xp -= p.xp; |
| 188 | yp -= p.yp; |
| 189 | return *this; |
| 190 | } |
| 191 | |
| 192 | constexpr inline QPoint &QPoint::operator*=(float factor) |
| 193 | { |
| 194 | xp = qRound(xp * factor); |
| 195 | yp = qRound(yp * factor); |
| 196 | return *this; |
| 197 | } |
| 198 | |
| 199 | constexpr inline QPoint &QPoint::operator*=(double factor) |
| 200 | { |
| 201 | xp = qRound(xp * factor); |
| 202 | yp = qRound(yp * factor); |
| 203 | return *this; |
| 204 | } |
| 205 | |
| 206 | constexpr inline QPoint &QPoint::operator*=(int factor) |
| 207 | { |
| 208 | xp = xp * factor; |
| 209 | yp = yp * factor; |
| 210 | return *this; |
| 211 | } |
| 212 | |
| 213 | constexpr inline QPoint &QPoint::operator/=(qreal c) |
| 214 | { |
| 215 | xp = qRound(xp / c); |
| 216 | yp = qRound(yp / c); |
| 217 | return *this; |
| 218 | } |
| 219 | |
| 220 | #ifndef QT_NO_DEBUG_STREAM |
| 221 | Q_CORE_EXPORT QDebug operator<<(QDebug, const QPoint &); |
| 222 | #endif |
| 223 | |
| 224 | Q_CORE_EXPORT size_t qHash(QPoint key, size_t seed = 0) noexcept; |
| 225 | |
| 226 | |
| 227 | |
| 228 | |
| 229 | class QPointF |
| 230 | { |
| 231 | public: |
| 232 | constexpr QPointF() noexcept; |
| 233 | constexpr QPointF(const QPoint &p) noexcept; |
| 234 | constexpr QPointF(qreal xpos, qreal ypos) noexcept; |
| 235 | |
| 236 | constexpr inline qreal manhattanLength() const; |
| 237 | |
| 238 | inline bool isNull() const noexcept; |
| 239 | |
| 240 | constexpr inline qreal x() const noexcept; |
| 241 | constexpr inline qreal y() const noexcept; |
| 242 | constexpr inline void setX(qreal x) noexcept; |
| 243 | constexpr inline void setY(qreal y) noexcept; |
| 244 | |
| 245 | constexpr QPointF transposed() const noexcept { return {yp, xp}; } |
| 246 | |
| 247 | constexpr inline qreal &rx() noexcept; |
| 248 | constexpr inline qreal &ry() noexcept; |
| 249 | |
| 250 | constexpr inline QPointF &operator+=(const QPointF &p); |
| 251 | constexpr inline QPointF &operator-=(const QPointF &p); |
| 252 | constexpr inline QPointF &operator*=(qreal c); |
| 253 | constexpr inline QPointF &operator/=(qreal c); |
| 254 | |
| 255 | constexpr static inline qreal dotProduct(const QPointF &p1, const QPointF &p2) |
| 256 | { |
| 257 | return p1.xp * p2.xp + p1.yp * p2.yp; |
| 258 | } |
| 259 | |
| 260 | QT_WARNING_PUSH |
| 261 | QT_WARNING_DISABLE_FLOAT_COMPARE |
| 262 | friend constexpr inline bool operator==(const QPointF &p1, const QPointF &p2) |
| 263 | { |
| 264 | return ((!p1.xp || !p2.xp) ? qFuzzyIsNull(p1.xp - p2.xp) : qFuzzyCompare(p1.xp, p2.xp)) |
| 265 | && ((!p1.yp || !p2.yp) ? qFuzzyIsNull(p1.yp - p2.yp) : qFuzzyCompare(p1.yp, p2.yp)); |
| 266 | } |
| 267 | friend constexpr inline bool operator!=(const QPointF &p1, const QPointF &p2) |
| 268 | { |
| 269 | return !(p1 == p2); |
| 270 | } |
| 271 | QT_WARNING_POP |
| 272 | |
| 273 | friend constexpr inline QPointF operator+(const QPointF &p1, const QPointF &p2) |
| 274 | { return QPointF(p1.xp + p2.xp, p1.yp + p2.yp); } |
| 275 | friend constexpr inline QPointF operator-(const QPointF &p1, const QPointF &p2) |
| 276 | { return QPointF(p1.xp - p2.xp, p1.yp - p2.yp); } |
| 277 | friend constexpr inline QPointF operator*(const QPointF &p, qreal c) |
| 278 | { return QPointF(p.xp * c, p.yp * c); } |
| 279 | friend constexpr inline QPointF operator*(qreal c, const QPointF &p) |
| 280 | { return QPointF(p.xp * c, p.yp * c); } |
| 281 | friend constexpr inline QPointF operator+(const QPointF &p) |
| 282 | { return p; } |
| 283 | friend constexpr inline QPointF operator-(const QPointF &p) |
| 284 | { return QPointF(-p.xp, -p.yp); } |
| 285 | friend constexpr inline QPointF operator/(const QPointF &p, qreal divisor) |
| 286 | { return QPointF(p.xp / divisor, p.yp / divisor); } |
| 287 | |
| 288 | constexpr QPoint toPoint() const; |
| 289 | |
| 290 | #if defined(Q_OS_DARWIN) || defined(Q_QDOC) |
| 291 | [[nodiscard]] Q_CORE_EXPORT static QPointF fromCGPoint(CGPoint point) noexcept; |
| 292 | [[nodiscard]] Q_CORE_EXPORT CGPoint toCGPoint() const noexcept; |
| 293 | #endif |
| 294 | |
| 295 | private: |
| 296 | friend class QTransform; |
| 297 | |
| 298 | qreal xp; |
| 299 | qreal yp; |
| 300 | }; |
| 301 | |
| 302 | Q_DECLARE_TYPEINFO(QPointF, Q_MOVABLE_TYPE); |
| 303 | |
| 304 | /***************************************************************************** |
| 305 | QPointF stream functions |
| 306 | *****************************************************************************/ |
| 307 | #ifndef QT_NO_DATASTREAM |
| 308 | Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPointF &); |
| 309 | Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPointF &); |
| 310 | #endif |
| 311 | |
| 312 | /***************************************************************************** |
| 313 | QPointF inline functions |
| 314 | *****************************************************************************/ |
| 315 | |
| 316 | constexpr inline QPointF::QPointF() noexcept : xp(0), yp(0) { } |
| 317 | |
| 318 | constexpr inline QPointF::QPointF(qreal xpos, qreal ypos) noexcept : xp(xpos), yp(ypos) { } |
| 319 | |
| 320 | constexpr inline QPointF::QPointF(const QPoint &p) noexcept : xp(p.x()), yp(p.y()) { } |
| 321 | |
| 322 | constexpr inline qreal QPointF::manhattanLength() const |
| 323 | { |
| 324 | return qAbs(x()) + qAbs(y()); |
| 325 | } |
| 326 | |
| 327 | inline bool QPointF::isNull() const noexcept |
| 328 | { |
| 329 | return qIsNull(xp) && qIsNull(yp); |
| 330 | } |
| 331 | |
| 332 | constexpr inline qreal QPointF::x() const noexcept |
| 333 | { |
| 334 | return xp; |
| 335 | } |
| 336 | |
| 337 | constexpr inline qreal QPointF::y() const noexcept |
| 338 | { |
| 339 | return yp; |
| 340 | } |
| 341 | |
| 342 | constexpr inline void QPointF::setX(qreal xpos) noexcept |
| 343 | { |
| 344 | xp = xpos; |
| 345 | } |
| 346 | |
| 347 | constexpr inline void QPointF::setY(qreal ypos) noexcept |
| 348 | { |
| 349 | yp = ypos; |
| 350 | } |
| 351 | |
| 352 | constexpr inline qreal &QPointF::rx() noexcept |
| 353 | { |
| 354 | return xp; |
| 355 | } |
| 356 | |
| 357 | constexpr inline qreal &QPointF::ry() noexcept |
| 358 | { |
| 359 | return yp; |
| 360 | } |
| 361 | |
| 362 | constexpr inline QPointF &QPointF::operator+=(const QPointF &p) |
| 363 | { |
| 364 | xp += p.xp; |
| 365 | yp += p.yp; |
| 366 | return *this; |
| 367 | } |
| 368 | |
| 369 | constexpr inline QPointF &QPointF::operator-=(const QPointF &p) |
| 370 | { |
| 371 | xp -= p.xp; |
| 372 | yp -= p.yp; |
| 373 | return *this; |
| 374 | } |
| 375 | |
| 376 | constexpr inline QPointF &QPointF::operator*=(qreal c) |
| 377 | { |
| 378 | xp *= c; |
| 379 | yp *= c; |
| 380 | return *this; |
| 381 | } |
| 382 | |
| 383 | constexpr inline QPointF &QPointF::operator/=(qreal divisor) |
| 384 | { |
| 385 | xp /= divisor; |
| 386 | yp /= divisor; |
| 387 | return *this; |
| 388 | } |
| 389 | |
| 390 | constexpr inline QPoint QPointF::toPoint() const |
| 391 | { |
| 392 | return QPoint(qRound(xp), qRound(yp)); |
| 393 | } |
| 394 | |
| 395 | #ifndef QT_NO_DEBUG_STREAM |
| 396 | Q_CORE_EXPORT QDebug operator<<(QDebug d, const QPointF &p); |
| 397 | #endif |
| 398 | |
| 399 | QT_END_NAMESPACE |
| 400 | |
| 401 | #endif // QPOINT_H |
| 402 | |