qfbbackingstore.cpp

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qfbbackingstore.cpp

Absolute File Name:

/home/qt/qt5_coco/qt5/qtbase/src/platformsupport/fbconvenience/qfbbackingstore.cpp

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/****************************************************************************

** Contact: https://www.qt.io/licensing/

** This file is part of the plugins of the Qt Toolkit.

** $QT_BEGIN_LICENSE:LGPL$

** Commercial License Usage

** Licensees holding valid commercial Qt licenses may use this file in

** accordance with the commercial license agreement provided with the

** Software or, alternatively, in accordance with the terms contained in

** a written agreement between you and The Qt Company. For licensing terms

** and conditions see https://www.qt.io/terms-conditions. For further

** information use the contact form at https://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 3 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL3 included in the

** packaging of this file. Please review the following information to

** ensure the GNU Lesser General Public License version 3 requirements

** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 2.0 or (at your option) the GNU General

** Public license version 3 or any later version approved by the KDE Free

** Qt Foundation. The licenses are as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3

** included in the packaging of this file. Please review the following

** information to ensure the GNU General Public License requirements will

** be met: https://www.gnu.org/licenses/gpl-2.0.html and

** https://www.gnu.org/licenses/gpl-3.0.html.

** $QT_END_LICENSE$

****************************************************************************/

#include "qfbbackingstore_p.h"

#include "qfbwindow_p.h"

#include "qfbscreen_p.h"

#include <qpa/qplatformwindow.h>

#include <QtGui/qscreen.h>

#include <QtGui/qpainter.h>

QT_BEGIN_NAMESPACE

QFbBackingStore::QFbBackingStore(QWindow *window)

: QPlatformBackingStore(window)

{

if (window->handle())

window->handle()	Description
TRUE	never evaluated
FALSE	never evaluated

(static_cast<QFbWindow *>(window->handle()))->setBackingStore(this);

never executed: (static_cast<QFbWindow *>(window->handle()))->setBackingStore(this);

else

(static_cast<QFbScreen *>(window->screen()->handle()))->addPendingBackingStore(this);

never executed: (static_cast<QFbScreen *>(window->screen()->handle()))->addPendingBackingStore(this);

}

QFbBackingStore::~QFbBackingStore()

{

}

void QFbBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)

{

Q_UNUSED(window);

Q_UNUSED(offset);

(static_cast<QFbWindow *>(window->handle()))->repaint(region);

}

never executed: end of block

void QFbBackingStore::resize(const QSize &size, const QRegion &staticContents)

{

Q_UNUSED(staticContents);

if (mImage.size() != size)

mImage.size() != size	Description
TRUE	never evaluated
FALSE	never evaluated

mImage = QImage(size, window()->screen()->handle()->format());

never executed: mImage = QImage(size, window()->screen()->handle()->format());

}

never executed: end of block

const QImage QFbBackingStore::image()

{

return mImage;

never executed: return mImage;

}

void QFbBackingStore::lock()

{

mImageMutex.lock();

}

never executed: end of block

void QFbBackingStore::unlock()

{

mImageMutex.unlock();

}

never executed: end of block

void QFbBackingStore::beginPaint(const QRegion &region)

{

lock();

if (mImage.hasAlphaChannel()) {

mImage.hasAlphaChannel()	Description
TRUE	never evaluated
FALSE	never evaluated

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
TRUE	never evaluated
FALSE	never evaluated

103

p.fillRect(*it, Qt::transparent);

never executed: p.fillRect(*it, Qt::transparent);

104

}

never executed: end of block

105

}

never executed: end of block

106

107

void QFbBackingStore::endPaint()

108

{

109

unlock();

110

}

never executed: end of block

111

112

QT_END_NAMESPACE

113

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