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| 1 | /**************************************************************************** | - |
| 2 | ** | - |
| 3 | ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). | - |
| 4 | ** Contact: http://www.qt-project.org/legal | - |
| 5 | ** | - |
| 6 | ** This file is part of the QtGui module of the Qt Toolkit. | - |
| 7 | ** | - |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | - |
| 9 | ** Commercial License Usage | - |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | - |
| 11 | ** accordance with the commercial license agreement provided with the | - |
| 12 | ** Software or, alternatively, in accordance with the terms contained in | - |
| 13 | ** a written agreement between you and Digia. For licensing terms and | - |
| 14 | ** conditions see http://qt.digia.com/licensing. For further information | - |
| 15 | ** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software | - |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL included in the | - |
| 21 | ** packaging of this file. Please review the following information to | - |
| 22 | ** ensure the GNU Lesser General Public License version 2.1 requirements | - |
| 23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - |
| 24 | ** | - |
| 25 | ** In addition, as a special exception, Digia gives you certain additional | - |
| 26 | ** rights. These rights are described in the Digia Qt LGPL Exception | - |
| 27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - |
| 28 | ** | - |
| 29 | ** GNU General Public License Usage | - |
| 30 | ** Alternatively, this file may be used under the terms of the GNU | - |
| 31 | ** General Public License version 3.0 as published by the Free Software | - |
| 32 | ** Foundation and appearing in the file LICENSE.GPL included in the | - |
| 33 | ** packaging of this file. Please review the following information to | - |
| 34 | ** ensure the GNU General Public License version 3.0 requirements will be | - |
| 35 | ** met: http://www.gnu.org/copyleft/gpl.html. | - |
| 36 | ** | - |
| 37 | ** | - |
| 38 | ** $QT_END_LICENSE$ | - |
| 39 | ** | - |
| 40 | ****************************************************************************/ | - |
| 41 | | - |
| 42 | #include "qplatformbackingstore.h" | - |
| 43 | #include <qwindow.h> | - |
| 44 | #include <qpixmap.h> | - |
| 45 | #include <private/qwindow_p.h> | - |
| 46 | | - |
| 47 | QT_BEGIN_NAMESPACE | - |
| 48 | | - |
| 49 | class QPlatformBackingStorePrivate | - |
| 50 | { | - |
| 51 | public: | - |
| 52 | QPlatformBackingStorePrivate(QWindow *w) | - |
| 53 | : window(w) | - |
| 54 | { | - |
| 55 | } executed: }Execution Count:2500 | 2500 |
| 56 | | - |
| 57 | QWindow *window; | - |
| 58 | QSize size; | - |
| 59 | }; | - |
| 60 | | - |
| 61 | /*! | - |
| 62 | \class QPlatformBackingStore | - |
| 63 | \since 5.0 | - |
| 64 | \internal | - |
| 65 | \preliminary | - |
| 66 | \ingroup qpa | - |
| 67 | | - |
| 68 | \brief The QPlatformBackingStore class provides the drawing area for top-level | - |
| 69 | windows. | - |
| 70 | */ | - |
| 71 | | - |
| 72 | /*! | - |
| 73 | \fn void QPlatformBackingStore::flush(QWindow *window, const QRegion ®ion, | - |
| 74 | const QPoint &offset) | - |
| 75 | | - |
| 76 | Flushes the given \a region from the specified \a window onto the | - |
| 77 | screen. | - |
| 78 | | - |
| 79 | Note that the \a offset parameter is currently unused. | - |
| 80 | */ | - |
| 81 | | - |
| 82 | /*! | - |
| 83 | \fn QPaintDevice* QPlatformBackingStore::paintDevice() | - |
| 84 | | - |
| 85 | Implement this function to return the appropriate paint device. | - |
| 86 | */ | - |
| 87 | | - |
| 88 | /*! | - |
| 89 | Constructs an empty surface for the given top-level \a window. | - |
| 90 | */ | - |
| 91 | QPlatformBackingStore::QPlatformBackingStore(QWindow *window) | - |
| 92 | : d_ptr(new QPlatformBackingStorePrivate(window)) | - |
| 93 | { | - |
| 94 | } executed: }Execution Count:2500 | 2500 |
| 95 | | - |
| 96 | /*! | - |
| 97 | Destroys this surface. | - |
| 98 | */ | - |
| 99 | QPlatformBackingStore::~QPlatformBackingStore() | - |
| 100 | { | - |
| 101 | delete d_ptr; executed (the execution status of this line is deduced): delete d_ptr; | - |
| 102 | } executed: }Execution Count:2499 | 2499 |
| 103 | | - |
| 104 | /*! | - |
| 105 | Returns a pointer to the top-level window associated with this | - |
| 106 | surface. | - |
| 107 | */ | - |
| 108 | QWindow* QPlatformBackingStore::window() const | - |
| 109 | { | - |
| 110 | return d_ptr->window; executed: return d_ptr->window;Execution Count:5406 | 5406 |
| 111 | } | - |
| 112 | | - |
| 113 | /*! | - |
| 114 | This function is called before painting onto the surface begins, | - |
| 115 | with the \a region in which the painting will occur. | - |
| 116 | | - |
| 117 | \sa endPaint(), paintDevice() | - |
| 118 | */ | - |
| 119 | | - |
| 120 | void QPlatformBackingStore::beginPaint(const QRegion &) | - |
| 121 | { | - |
| 122 | } | - |
| 123 | | - |
| 124 | /*! | - |
| 125 | This function is called after painting onto the surface has ended. | - |
| 126 | | - |
| 127 | \sa beginPaint(), paintDevice() | - |
| 128 | */ | - |
| 129 | | - |
| 130 | void QPlatformBackingStore::endPaint() | - |
| 131 | { | - |
| 132 | } | - |
| 133 | | - |
| 134 | /*! | - |
| 135 | Scrolls the given \a area \a dx pixels to the right and \a dy | - |
| 136 | downward; both \a dx and \a dy may be negative. | - |
| 137 | | - |
| 138 | Returns true if the area was scrolled successfully; false otherwise. | - |
| 139 | */ | - |
| 140 | bool QPlatformBackingStore::scroll(const QRegion &area, int dx, int dy) | - |
| 141 | { | - |
| 142 | Q_UNUSED(area); never executed (the execution status of this line is deduced): (void)area;; | - |
| 143 | Q_UNUSED(dx); never executed (the execution status of this line is deduced): (void)dx;; | - |
| 144 | Q_UNUSED(dy); never executed (the execution status of this line is deduced): (void)dy;; | - |
| 145 | | - |
| 146 | return false; never executed: return false; | 0 |
| 147 | } | - |
| 148 | | - |
| 149 | QT_END_NAMESPACE | - |
| 150 | | - |
| | |