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Diffstat (limited to 'qtinterface/qt4/Qt/qregion.h')
| -rw-r--r-- | qtinterface/qt4/Qt/qregion.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/qtinterface/qt4/Qt/qregion.h b/qtinterface/qt4/Qt/qregion.h new file mode 100644 index 0000000..c8629af --- /dev/null +++ b/qtinterface/qt4/Qt/qregion.h @@ -0,0 +1,235 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** 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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +template <class T> class QVector; +class QVariant; + +#if defined(Q_WS_QWS) || defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_WIN) || defined(Q_OS_SYMBIAN) +struct QRegionPrivate; +#endif + +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); +#ifdef QT3_SUPPORT + QT3_SUPPORT_CONSTRUCTOR QRegion(const QPolygon &pa, bool winding); +#endif + QRegion(const QRegion ®ion); + QRegion(const QBitmap &bitmap); + ~QRegion(); + QRegion &operator=(const QRegion &); + +#ifdef QT3_SUPPORT + inline QT3_SUPPORT bool isNull() const { return isEmpty(); } +#endif + bool isEmpty() 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; + inline QRegion translated(const QPoint &p) const { return translated(p.x(), p.y()); } + + // ### Qt 5: make these four functions QT4_SUPPORT + QRegion unite(const QRegion &r) const; + QRegion unite(const QRect &r) const; + QRegion intersect(const QRegion &r) const; + QRegion intersect(const QRect &r) const; + QRegion subtract(const QRegion &r) const; + QRegion eor(const QRegion &r) const; + + inline QRegion united(const QRegion &r) const { return unite(r); } + inline QRegion united(const QRect &r) const { return unite(r); } + inline QRegion intersected(const QRegion &r) const { return intersect(r); } + inline QRegion intersected(const QRect &r) const { return intersect(r); } + inline QRegion subtracted(const QRegion &r) const { return subtract(r); } + inline QRegion xored(const QRegion &r) const { return eor(r); } + + 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); +#ifdef QT_DEPRECATED + QT_DEPRECATED int numRects() const; +#endif + int rectCount() const; + + 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; + 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; + +#ifdef qdoc + Handle handle() const; +#endif +#ifndef qdoc +#if defined(Q_WS_WIN) + inline HRGN handle() const { ensureHandle(); return d->rgn; } +#elif defined(Q_WS_X11) + inline Region handle() const { if(!d->rgn) updateX11Region(); return d->rgn; } +#elif defined(Q_WS_MAC) +#if defined Q_WS_MAC32 + RgnHandle toQDRgn() const; + RgnHandle toQDRgnForUpdate_sys() const; + static QRegion fromQDRgn(RgnHandle shape); +#endif +#ifdef QT_MAC_USE_COCOA + inline HIMutableShapeRef handle(bool unused = false) const + { Q_UNUSED(unused); return toHIMutableShape(); } +#else + inline RgnHandle handle() const { return handle(false); } + inline RgnHandle handle(bool) const { return toQDRgn(); } +#endif + HIMutableShapeRef toHIMutableShape() const; + static QRegion fromHIShapeRef(HIShapeRef shape); +#elif defined(Q_WS_QWS) + inline void *handle() const { return d->qt_rgn; } +#endif +#endif + +#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(); +#if defined(Q_WS_WIN) + void ensureHandle() const; + QRegion winCombine(const QRegion &r, int num) const; +#elif defined(Q_WS_X11) + void updateX11Region() const; + void *clipRectangles(int &num) const; + friend void *qt_getClipRects(const QRegion &r, int &num); +#elif defined(Q_WS_MAC) + static OSStatus shape2QRegionHelper(int inMessage, HIShapeRef inShape, + const CGRect *inRect, void *inRefcon); +#endif + 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 { + QBasicAtomicInt ref; +#if defined(Q_WS_WIN) + HRGN rgn; +#elif defined(Q_WS_X11) + Region rgn; + void *xrectangles; +#elif defined(Q_WS_MAC) && !defined(QT_MAC_USE_COCOA) + mutable RgnHandle unused; // Here for binary compatability reasons. ### Qt 5 remove. +#endif +#if defined(Q_WS_QWS) || defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_WIN) || defined(Q_OS_SYMBIAN) + QRegionPrivate *qt_rgn; +#endif + }; +#if defined(Q_WS_WIN) + friend class QETWidget; +#endif + struct QRegionData *d; + static 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 + +QT_END_HEADER + +#endif // QREGION_H |