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1 | 1 | /**************************************************************************** |
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2 | 2 | ** |
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3 | 3 | ** Copyright (C) 2014 Digia Plc |
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4 | 4 | ** All rights reserved. |
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5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
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6 | 6 | ** |
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7 | 7 | ** This file is part of the Qt Enterprise Charts Add-on. |
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8 | 8 | ** |
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9 | 9 | ** $QT_BEGIN_LICENSE$ |
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10 | 10 | ** Licensees holding valid Qt Enterprise licenses may use this file in |
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11 | 11 | ** accordance with the Qt Enterprise License Agreement provided with the |
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12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
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13 | 13 | ** a written agreement between you and Digia. |
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14 | 14 | ** |
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15 | 15 | ** If you have questions regarding the use of this file, please use |
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16 | 16 | ** contact form at http://qt.digia.com |
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17 | 17 | ** $QT_END_LICENSE$ |
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18 | 18 | ** |
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19 | 19 | ****************************************************************************/ |
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20 | 20 | |
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21 | 21 | #include "chartview.h" |
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22 | 22 | #include <QScatterSeries> |
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23 | 23 | #include <QLegendMarker> |
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24 | 24 | #include <QImage> |
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25 | 25 | #include <QPainter> |
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26 | 26 | #include <qmath.h> |
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27 | 27 | |
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28 | 28 | const float Pi = 3.14159f; |
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29 | 29 | |
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30 | 30 | ChartView::ChartView(QWidget *parent) : |
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31 | 31 | QChartView(new QChart(), parent) |
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32 | 32 | { |
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33 | 33 | //![1] |
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34 | 34 | QScatterSeries *series0 = new QScatterSeries(); |
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35 | 35 | series0->setName("scatter1"); |
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36 | 36 | series0->setMarkerShape(QScatterSeries::MarkerShapeCircle); |
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37 | 37 | series0->setMarkerSize(15.0); |
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38 | 38 | |
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39 | 39 | QScatterSeries *series1 = new QScatterSeries(); |
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40 | 40 | series1->setName("scatter2"); |
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41 | 41 | series1->setMarkerShape(QScatterSeries::MarkerShapeRectangle); |
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42 | 42 | series1->setMarkerSize(20.0); |
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43 | 43 | |
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44 | 44 | QScatterSeries *series2 = new QScatterSeries(); |
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45 | 45 | series2->setName("scatter3"); |
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46 | 46 | series2->setMarkerShape(QScatterSeries::MarkerShapeRectangle); |
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47 | 47 | series2->setMarkerSize(30.0); |
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48 | 48 | //![1] |
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49 | 49 | |
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50 | 50 | //![2] |
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51 | 51 | series0->append(0, 6); |
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52 | 52 | series0->append(2, 4); |
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53 | 53 | series0->append(3, 8); |
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54 | 54 | series0->append(7, 4); |
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55 | 55 | series0->append(10, 5); |
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56 | 56 | |
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57 | 57 | *series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2); |
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58 | 58 | *series2 << QPointF(1, 5) << QPointF(4, 6) << QPointF(6, 3) << QPointF(9, 5); |
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59 | 59 | //![2] |
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60 | 60 | |
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61 | 61 | //![3] |
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62 | 62 | QPainterPath starPath; |
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63 | 63 | starPath.moveTo(30, 15); |
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64 | 64 | for (int i = 1; i < 5; ++i) { |
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65 | 65 | starPath.lineTo(15 + 15 * qCos(0.8 * i * Pi), |
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66 | 66 | 15 + 15 * qSin(0.8 * i * Pi)); |
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67 | 67 | } |
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68 | 68 | starPath.closeSubpath(); |
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69 | 69 | |
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70 | 70 | QImage star(30, 30, QImage::Format_ARGB32); |
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71 | 71 | star.fill(Qt::transparent); |
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72 | 72 | |
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73 | 73 | QPainter painter(&star); |
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74 | 74 | painter.setRenderHint(QPainter::Antialiasing); |
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75 | 75 | painter.setPen(QRgb(0xf6a625)); |
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76 | 76 | painter.setBrush(painter.pen().color()); |
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77 | 77 | painter.drawPath(starPath); |
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78 | 78 | |
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79 | 79 | series2->setBrush(star); |
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80 | series2->setPen(Qt::NoPen); | |
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81 | 80 | //![3] |
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82 | 81 | |
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83 | 82 | //![4] |
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84 | 83 | setRenderHint(QPainter::Antialiasing); |
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85 | 84 | chart()->addSeries(series0); |
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86 | 85 | chart()->addSeries(series1); |
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87 | 86 | chart()->addSeries(series2); |
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88 | 87 | |
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89 | 88 | chart()->setTitle("Simple scatterchart example"); |
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90 | 89 | chart()->createDefaultAxes(); |
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91 | 90 | chart()->setDropShadowEnabled(false); |
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92 | 91 | //![4] |
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93 | 92 | |
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94 | 93 | //![5] |
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95 | 94 | QList<QLegendMarker *> markers = chart()->legend()->markers(series2); |
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96 | 95 | for (int i = 0; i < markers.count(); i++) |
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97 | 96 | markers.at(i)->setBrush(painter.pen().color()); |
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98 | 97 | //![5] |
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99 | 98 | } |
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