qfbbackingstore.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/platformsupport/fbconvenience/qfbbackingstore.cpp
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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 plugins 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 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#include "qfbbackingstore_p.h"-
41#include "qfbwindow_p.h"-
42#include "qfbscreen_p.h"-
43-
44#include <qpa/qplatformwindow.h>-
45#include <QtGui/qscreen.h>-
46#include <QtGui/qpainter.h>-
47-
48QT_BEGIN_NAMESPACE-
49-
50QFbBackingStore::QFbBackingStore(QWindow *window)-
51 : QPlatformBackingStore(window)-
52{-
53 if (window->handle())
window->handle()Description
TRUEnever evaluated
FALSEnever evaluated
0
54 (static_cast<QFbWindow *>(window->handle()))->setBackingStore(this);
never executed: (static_cast<QFbWindow *>(window->handle()))->setBackingStore(this);
0
55 else-
56 (static_cast<QFbScreen *>(window->screen()->handle()))->addPendingBackingStore(this);
never executed: (static_cast<QFbScreen *>(window->screen()->handle()))->addPendingBackingStore(this);
0
57}-
58-
59QFbBackingStore::~QFbBackingStore()-
60{-
61}-
62-
63void QFbBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)-
64{-
65 Q_UNUSED(window);-
66 Q_UNUSED(offset);-
67-
68 (static_cast<QFbWindow *>(window->handle()))->repaint(region);-
69}
never executed: end of block
0
70-
71void QFbBackingStore::resize(const QSize &size, const QRegion &staticContents)-
72{-
73 Q_UNUSED(staticContents);-
74-
75 if (mImage.size() != size)
mImage.size() != sizeDescription
TRUEnever evaluated
FALSEnever evaluated
0
76 mImage = QImage(size, window()->screen()->handle()->format());
never executed: mImage = QImage(size, window()->screen()->handle()->format());
0
77}
never executed: end of block
0
78-
79const QImage QFbBackingStore::image()-
80{-
81 return mImage;
never executed: return mImage;
0
82}-
83-
84void QFbBackingStore::lock()-
85{-
86 mImageMutex.lock();-
87}
never executed: end of block
0
88-
89void QFbBackingStore::unlock()-
90{-
91 mImageMutex.unlock();-
92}
never executed: end of block
0
93-
94void QFbBackingStore::beginPaint(const QRegion &region)-
95{-
96 lock();-
97-
98 if (mImage.hasAlphaChannel()) {
mImage.hasAlphaChannel()Description
TRUEnever evaluated
FALSEnever evaluated
0
99 QPainter p(&mImage);-
100 p.setCompositionMode(QPainter::CompositionMode_Source);-
101 const QVector<QRect> rects = region.rects();-
102 for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it)
it != rects.end()Description
TRUEnever evaluated
FALSEnever evaluated
0
103 p.fillRect(*it, Qt::transparent);
never executed: p.fillRect(*it, Qt::transparent);
0
104 }
never executed: end of block
0
105}
never executed: end of block
0
106-
107void QFbBackingStore::endPaint()-
108{-
109 unlock();-
110}
never executed: end of block
0
111-
112QT_END_NAMESPACE-
113-
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