1fdfc2abfe
Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "dbscreen.h"
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#include <QApplication>
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//! [0]
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bool DBScreen::initDevice()
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{
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if (!QLinuxFbScreen::initDevice())
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return false;
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QScreenCursor::initSoftwareCursor();
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image = new QImage(deviceWidth(), deviceHeight(), pixelFormat());
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painter = new QPainter(image);
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return true;
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}
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//! [0]
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//! [1]
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void DBScreen::shutdownDevice()
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{
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QLinuxFbScreen::shutdownDevice();
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delete painter;
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delete image;
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}
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//! [1]
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//! [2]
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void DBScreen::solidFill(const QColor &color, const QRegion ®ion)
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{
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QVector<QRect> rects = region.rects();
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for (int i = 0; i < rects.size(); i++)
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painter->fillRect(rects.at(i), color);
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}
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//! [2]
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//! [3]
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void DBScreen::blit(const QImage &image, const QPoint &topLeft, const QRegion ®ion)
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{
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QVector<QRect> rects = region.rects();
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for (int i = 0; i < rects.size(); i++) {
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QRect destRect = rects.at(i);
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QRect srcRect(destRect.x()-topLeft.x(), destRect.y()-topLeft.y(), destRect.width(), destRect.height());
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painter->drawImage(destRect.topLeft(), image, srcRect);
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}
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}
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//! [3]
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//! [4]
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void DBScreen::exposeRegion(QRegion region, int changing)
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{
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QLinuxFbScreen::exposeRegion(region, changing);
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QLinuxFbScreen::blit(*image, QPoint(0, 0), region);
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}
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//! [4]
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