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 QtCore module 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 MAINWIDGET_H 42 #define MAINWIDGET_H 43 44 #include <QtOpenGL/QGLWidget> 45 #include <QtOpenGL/QGLFunctions> 46 47 #include <QMatrix4x4> 48 #include <QQuaternion> 49 #include <QVector2D> 50 51 QT_BEGIN_NAMESPACE 52 class QBasicTimer; 53 class QGLShaderProgram; 54 QT_END_NAMESPACE 55 56 class GeometryEngine; 57 58 class MainWidget : public QGLWidget, protected QGLFunctions 59 { 60 Q_OBJECT 61 public: 62 explicit MainWidget(QWidget *parent = 0); 63 virtual ~MainWidget(); 64 65 signals: 66 67 public slots: 68 69 protected: 70 void mousePressEvent(QMouseEvent *e); 71 void mouseReleaseEvent(QMouseEvent *e); 72 void timerEvent(QTimerEvent *e); 73 74 void initializeGL(); 75 void resizeGL(int w, int h); 76 void paintGL(); 77 78 void initShaders(); 79 void initTextures(); 80 81 private: 82 QBasicTimer *timer; 83 QGLShaderProgram *program; 84 GeometryEngine *geometries; 85 86 GLuint texture; 87 88 QMatrix4x4 projection; 89 90 QVector2D mousePressPosition; 91 QVector3D rotationAxis; 92 qreal angularSpeed; 93 QQuaternion rotation; 94 }; 95 96 #endif // MAINWIDGET_H 97