qfbbackingstore.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2015 The Qt Company Ltd.-
4** Contact: http://www.qt.io/licensing/-
5**-
6** This file is part of the plugins of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL21$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
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12** Software or, alternatively, in accordance with the terms contained in-
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15** information use the contact form at http://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 2.1 or version 3 as published by the Free-
20** Software Foundation and appearing in the file LICENSE.LGPLv21 and-
21** LICENSE.LGPLv3 included in the packaging of this file. Please review the-
22** following information to ensure the GNU Lesser General Public License-
23** requirements will be met: https://www.gnu.org/licenses/lgpl.html and-
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25**-
26** As a special exception, The Qt Company gives you certain additional-
27** rights. These rights are described in The Qt Company LGPL Exception-
28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
29**-
30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include "qfbbackingstore_p.h"-
35#include "qfbwindow_p.h"-
36#include "qfbscreen_p.h"-
37-
38#include <qpa/qplatformwindow.h>-
39#include <QtGui/qscreen.h>-
40#include <QtGui/qpainter.h>-
41-
42QT_BEGIN_NAMESPACE-
43-
44QFbBackingStore::QFbBackingStore(QWindow *window)-
45 : QPlatformBackingStore(window)-
46{-
47 if (window->handle())
window->handle()Description
TRUEnever evaluated
FALSEnever evaluated
0
48 (static_cast<QFbWindow *>(window->handle()))->setBackingStore(this);
never executed: (static_cast<QFbWindow *>(window->handle()))->setBackingStore(this);
0
49 else-
50 (static_cast<QFbScreen *>(window->screen()->handle()))->addPendingBackingStore(this);
never executed: (static_cast<QFbScreen *>(window->screen()->handle()))->addPendingBackingStore(this);
0
51}-
52-
53QFbBackingStore::~QFbBackingStore()-
54{-
55}-
56-
57void QFbBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)-
58{-
59 Q_UNUSED(window);-
60 Q_UNUSED(offset);-
61-
62 (static_cast<QFbWindow *>(window->handle()))->repaint(region);-
63}
never executed: end of block
0
64-
65void QFbBackingStore::resize(const QSize &size, const QRegion &staticContents)-
66{-
67 Q_UNUSED(staticContents);-
68-
69 if (mImage.size() != size)
mImage.size() != sizeDescription
TRUEnever evaluated
FALSEnever evaluated
0
70 mImage = QImage(size, window()->screen()->handle()->format());
never executed: mImage = QImage(size, window()->screen()->handle()->format());
0
71}
never executed: end of block
0
72-
73const QImage QFbBackingStore::image()-
74{-
75 return mImage;
never executed: return mImage;
0
76}-
77-
78void QFbBackingStore::lock()-
79{-
80 mImageMutex.lock();-
81}
never executed: end of block
0
82-
83void QFbBackingStore::unlock()-
84{-
85 mImageMutex.unlock();-
86}
never executed: end of block
0
87-
88void QFbBackingStore::beginPaint(const QRegion &region)-
89{-
90 lock();-
91-
92 if (mImage.hasAlphaChannel()) {
mImage.hasAlphaChannel()Description
TRUEnever evaluated
FALSEnever evaluated
0
93 QPainter p(&mImage);-
94 p.setCompositionMode(QPainter::CompositionMode_Source);-
95 const QVector<QRect> rects = region.rects();-
96 for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it)
it != rects.end()Description
TRUEnever evaluated
FALSEnever evaluated
0
97 p.fillRect(*it, Qt::transparent);
never executed: p.fillRect(*it, Qt::transparent);
0
98 }
never executed: end of block
0
99}
never executed: end of block
0
100-
101void QFbBackingStore::endPaint()-
102{-
103 unlock();-
104}
never executed: end of block
0
105-
106QT_END_NAMESPACE-
107-
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