1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation ([email protected])
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6 | **
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7 | ** This file is part of the examples of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:BSD$
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10 | ** You may use this file under the terms of the BSD license as follows:
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11 | **
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12 | ** "Redistribution and use in source and binary forms, with or without
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13 | ** modification, are permitted provided that the following conditions are
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14 | ** met:
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15 | ** * Redistributions of source code must retain the above copyright
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16 | ** notice, this list of conditions and the following disclaimer.
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17 | ** * Redistributions in binary form must reproduce the above copyright
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18 | ** notice, this list of conditions and the following disclaimer in
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19 | ** the documentation and/or other materials provided with the
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20 | ** distribution.
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21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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22 | ** the names of its contributors may be used to endorse or promote
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23 | ** products derived from this software without specific prior written
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24 | ** permission.
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25 | **
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26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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37 | ** $QT_END_LICENSE$
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38 | **
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39 | ****************************************************************************/
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40 |
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41 | #ifndef GLWIDGET_H
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42 | #define GLWIDGET_H
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43 |
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44 | #include <QGLWidget>
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45 |
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46 | class GLWidget : public QGLWidget
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47 | {
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48 | Q_OBJECT
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49 |
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50 | public:
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51 | GLWidget(QWidget *parent = 0);
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52 | ~GLWidget();
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53 |
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54 | int xRotation() const { return xRot; }
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55 | int yRotation() const { return yRot; }
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56 | int zRotation() const { return zRot; }
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57 |
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58 | public slots:
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59 | void setXRotation(int angle);
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60 | void setYRotation(int angle);
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61 | void setZRotation(int angle);
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62 |
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63 | signals:
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64 | void xRotationChanged(int angle);
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65 | void yRotationChanged(int angle);
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66 | void zRotationChanged(int angle);
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67 |
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68 | protected:
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69 | void initializeGL();
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70 | void paintGL();
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71 | void resizeGL(int width, int height);
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72 | void mousePressEvent(QMouseEvent *event);
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73 | void mouseMoveEvent(QMouseEvent *event);
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74 |
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75 | private slots:
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76 | void advanceGears();
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77 |
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78 | private:
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79 | GLuint makeGear(const GLfloat *reflectance, GLdouble innerRadius,
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80 | GLdouble outerRadius, GLdouble thickness,
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81 | GLdouble toothSize, GLint toothCount);
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82 | void drawGear(GLuint gear, GLdouble dx, GLdouble dy, GLdouble dz,
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83 | GLdouble angle);
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84 | void normalizeAngle(int *angle);
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85 |
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86 | GLuint gear1;
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87 | GLuint gear2;
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88 | GLuint gear3;
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89 | int xRot;
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90 | int yRot;
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91 | int zRot;
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92 | int gear1Rot;
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93 |
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94 | QPoint lastPos;
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95 | };
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96 |
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97 | #endif
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