/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** 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 Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional ** rights. These rights are described in the Digia 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. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qminimalbackingstore.h" #include "qscreen.h" #include #include #include QT_BEGIN_NAMESPACE QMinimalBackingStore::QMinimalBackingStore(QWindow *window) : QPlatformBackingStore(window),mDebug(false) { if (QT_PREPEND_NAMESPACE(qgetenv)("QT_DEBUG_BACKINGSTORE").toInt() > 0) mDebug = true; if (mDebug) qDebug() << "QMinimalBackingStore::QMinimalBackingStore:" << (quintptr)this; } QMinimalBackingStore::~QMinimalBackingStore() { } QPaintDevice *QMinimalBackingStore::paintDevice() { if (mDebug) qDebug() << "QMinimalBackingStore::paintDevice"; return &mImage; } void QMinimalBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoint &offset) { Q_UNUSED(window); Q_UNUSED(region); Q_UNUSED(offset); if (mDebug) { static int c = 0; QString filename = QString("output%1.png").arg(c++, 4, 10, QLatin1Char('0')); qDebug() << "QMinimalBackingStore::flush() saving contents to" << filename.toLocal8Bit().constData(); mImage.save(filename); } } void QMinimalBackingStore::resize(const QSize &size, const QRegion &) { QImage::Format format = QGuiApplication::primaryScreen()->handle()->format(); if (mImage.size() != size) mImage = QImage(size, format); } QT_END_NAMESPACE