| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtGui module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** Commercial License Usage |
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| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
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| ** information use the contact form at http://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 2.1 or version 3 as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.LGPLv21 and |
| ** LICENSE.LGPLv3 included in the packaging of this file. Please review the |
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| ** |
| ** As a special exception, The Qt Company gives you certain additional |
| ** rights. These rights are described in The Qt Company LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QREGION_H |
| #define QREGION_H |
| |
| #include <QtCore/qatomic.h> |
| #include <QtCore/qrect.h> |
| #include <QtGui/qwindowdefs.h> |
| |
| #ifndef QT_NO_DATASTREAM |
| #include <QtCore/qdatastream.h> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| template <class T> class QVector; |
| class QVariant; |
| |
| struct QRegionPrivate; |
| |
| class QBitmap; |
| |
| class Q_GUI_EXPORT QRegion |
| { |
| public: |
| enum RegionType { Rectangle, Ellipse }; |
| |
| QRegion(); |
| QRegion(int x, int y, int w, int h, RegionType t = Rectangle); |
| QRegion(const QRect &r, RegionType t = Rectangle); |
| QRegion(const QPolygon &pa, Qt::FillRule fillRule = Qt::OddEvenFill); |
| QRegion(const QRegion ®ion); |
| QRegion(const QBitmap &bitmap); |
| ~QRegion(); |
| QRegion &operator=(const QRegion &); |
| #ifdef Q_COMPILER_RVALUE_REFS |
| inline QRegion &operator=(QRegion &&other) Q_DECL_NOEXCEPT |
| { qSwap(d, other.d); return *this; } |
| #endif |
| inline void swap(QRegion &other) Q_DECL_NOEXCEPT { qSwap(d, other.d); } |
| bool isEmpty() const; |
| bool isNull() const; |
| |
| bool contains(const QPoint &p) const; |
| bool contains(const QRect &r) const; |
| |
| void translate(int dx, int dy); |
| inline void translate(const QPoint &p) { translate(p.x(), p.y()); } |
| QRegion translated(int dx, int dy) const Q_REQUIRED_RESULT; |
| inline QRegion translated(const QPoint &p) const Q_REQUIRED_RESULT { return translated(p.x(), p.y()); } |
| |
| QRegion united(const QRegion &r) const Q_REQUIRED_RESULT; |
| QRegion united(const QRect &r) const Q_REQUIRED_RESULT; |
| QRegion intersected(const QRegion &r) const Q_REQUIRED_RESULT; |
| QRegion intersected(const QRect &r) const Q_REQUIRED_RESULT; |
| QRegion subtracted(const QRegion &r) const Q_REQUIRED_RESULT; |
| QRegion xored(const QRegion &r) const Q_REQUIRED_RESULT; |
| |
| #if QT_DEPRECATED_SINCE(5, 0) |
| inline QT_DEPRECATED QRegion unite(const QRegion &r) const Q_REQUIRED_RESULT { return united(r); } |
| inline QT_DEPRECATED QRegion unite(const QRect &r) const Q_REQUIRED_RESULT { return united(r); } |
| inline QT_DEPRECATED QRegion intersect(const QRegion &r) const Q_REQUIRED_RESULT { return intersected(r); } |
| inline QT_DEPRECATED QRegion intersect(const QRect &r) const Q_REQUIRED_RESULT { return intersected(r); } |
| inline QT_DEPRECATED QRegion subtract(const QRegion &r) const Q_REQUIRED_RESULT { return subtracted(r); } |
| inline QT_DEPRECATED QRegion eor(const QRegion &r) const Q_REQUIRED_RESULT { return xored(r); } |
| #endif |
| |
| bool intersects(const QRegion &r) const; |
| bool intersects(const QRect &r) const; |
| |
| QRect boundingRect() const; |
| QVector<QRect> rects() const; |
| void setRects(const QRect *rect, int num); |
| int rectCount() const; |
| #ifdef Q_COMPILER_MANGLES_RETURN_TYPE |
| // ### Qt 6: remove these, they're kept for MSVC compat |
| const QRegion operator|(const QRegion &r) const; |
| const QRegion operator+(const QRegion &r) const; |
| const QRegion operator+(const QRect &r) const; |
| const QRegion operator&(const QRegion &r) const; |
| const QRegion operator&(const QRect &r) const; |
| const QRegion operator-(const QRegion &r) const; |
| const QRegion operator^(const QRegion &r) const; |
| #else |
| QRegion operator|(const QRegion &r) const; |
| QRegion operator+(const QRegion &r) const; |
| QRegion operator+(const QRect &r) const; |
| QRegion operator&(const QRegion &r) const; |
| QRegion operator&(const QRect &r) const; |
| QRegion operator-(const QRegion &r) const; |
| QRegion operator^(const QRegion &r) const; |
| #endif // Q_COMPILER_MANGLES_RETURN_TYPE |
| QRegion& operator|=(const QRegion &r); |
| QRegion& operator+=(const QRegion &r); |
| QRegion& operator+=(const QRect &r); |
| QRegion& operator&=(const QRegion &r); |
| QRegion& operator&=(const QRect &r); |
| QRegion& operator-=(const QRegion &r); |
| QRegion& operator^=(const QRegion &r); |
| |
| bool operator==(const QRegion &r) const; |
| inline bool operator!=(const QRegion &r) const { return !(operator==(r)); } |
| operator QVariant() const; |
| |
| #ifndef QT_NO_DATASTREAM |
| friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QRegion &); |
| friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QRegion &); |
| #endif |
| private: |
| QRegion copy() const; // helper of detach. |
| void detach(); |
| Q_GUI_EXPORT |
| friend bool qt_region_strictContains(const QRegion ®ion, |
| const QRect &rect); |
| friend struct QRegionPrivate; |
| |
| #ifndef QT_NO_DATASTREAM |
| void exec(const QByteArray &ba, int ver = 0, QDataStream::ByteOrder byteOrder = QDataStream::BigEndian); |
| #endif |
| struct QRegionData { |
| QtPrivate::RefCount ref; |
| QRegionPrivate *qt_rgn; |
| }; |
| struct QRegionData *d; |
| static const struct QRegionData shared_empty; |
| static void cleanUp(QRegionData *x); |
| }; |
| |
| /***************************************************************************** |
| QRegion stream functions |
| *****************************************************************************/ |
| |
| #ifndef QT_NO_DATASTREAM |
| Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QRegion &); |
| Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QRegion &); |
| #endif |
| |
| #ifndef QT_NO_DEBUG_STREAM |
| Q_GUI_EXPORT QDebug operator<<(QDebug, const QRegion &); |
| #endif |
| |
| QT_END_NAMESPACE |
| |
| #endif // QREGION_H |