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 examples of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:BSD$ 9 ** You may use this file under the terms of the BSD license as follows: 10 ** 11 ** "Redistribution and use in source and binary forms, with or without 12 ** modification, are permitted provided that the following conditions are 13 ** met: 14 ** * Redistributions of source code must retain the above copyright 15 ** notice, this list of conditions and the following disclaimer. 16 ** * Redistributions in binary form must reproduce the above copyright 17 ** notice, this list of conditions and the following disclaimer in 18 ** the documentation and/or other materials provided with the 19 ** distribution. 20 ** * Neither the name of The Qt Company Ltd nor the names of its 21 ** contributors may be used to endorse or promote products derived 22 ** from this software without specific prior written permission. 23 ** 24 ** 25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 36 ** 37 ** $QT_END_LICENSE$ 38 ** 39 ****************************************************************************/ 40 41 #ifndef DBSCREEN_H 42 #define DBSCREEN_H 43 44 #include <QLinuxFbScreen> 45 #include <QPainter> 46 47 //! [0] 48 class DBScreen : public QLinuxFbScreen 49 { 50 public: DBScreen(int displayId)51 DBScreen(int displayId) : QLinuxFbScreen(displayId) {}; ~DBScreen()52 ~DBScreen() {} 53 bool initDevice(); 54 void shutdownDevice(); 55 void blit(const QImage &image, const QPoint &topLeft, const QRegion ®ion); 56 void solidFill(const QColor &color, const QRegion ®ion); 57 void exposeRegion(QRegion region, int changing); 58 59 private: 60 QPainter *painter; 61 QImage *image; 62 }; 63 //! [0] 64 65 #endif // DBSCREEN_H 66 67