@@ -0,0 +1,34 | |||||
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1 | #include "chartview.h" | |||
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2 | #include <QScatterSeries> | |||
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3 | ||||
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4 | ChartView::ChartView(QWidget *parent) : | |||
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5 | QChartView(new QChart(), parent) | |||
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6 | { | |||
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7 | //![1] | |||
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8 | QScatterSeries *series0 = new QScatterSeries(); | |||
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9 | series0->setShape(QScatterSeries::MarkerShapeCircle); | |||
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10 | series0->setSize(15.0); | |||
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11 | ||||
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12 | QScatterSeries *series1 = new QScatterSeries(); | |||
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13 | series1->setShape(QScatterSeries::MarkerShapeCircle); | |||
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14 | series1->setSize(20.0); | |||
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15 | //![1] | |||
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16 | ||||
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17 | //![2] | |||
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18 | series0->append(0, 6); | |||
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19 | series0->append(2, 4); | |||
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20 | series0->append(3, 8); | |||
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21 | series0->append(7, 4); | |||
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22 | series0->append(10, 5); | |||
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23 | ||||
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24 | *series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2); | |||
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25 | //![2] | |||
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26 | ||||
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27 | //![3] | |||
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28 | setRenderHint(QPainter::Antialiasing); | |||
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29 | chart()->addSeries(series0); | |||
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30 | chart()->addSeries(series1); | |||
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31 | chart()->setTitle("Simple scatterchart example"); | |||
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32 | chart()->setBackgroundDropShadowEnabled(false); | |||
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33 | //![3] | |||
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34 | } |
@@ -0,0 +1,20 | |||||
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1 | #ifndef CHARTVIEW_H | |||
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2 | #define CHARTVIEW_H | |||
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3 | ||||
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4 | #include <QChartView> | |||
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5 | ||||
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6 | QTCOMMERCIALCHART_USE_NAMESPACE | |||
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7 | ||||
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8 | class ChartView : public QChartView | |||
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9 | { | |||
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10 | Q_OBJECT | |||
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11 | public: | |||
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12 | explicit ChartView(QWidget *parent = 0); | |||
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13 | ||||
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14 | signals: | |||
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15 | ||||
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16 | public slots: | |||
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17 | ||||
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18 | }; | |||
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19 | ||||
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20 | #endif // CHARTVIEW_H |
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@@ -12,11 +12,11 | |||||
12 | \image examples_presenterchart2.png |
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12 | \image examples_presenterchart2.png | |
13 | \image examples_presenterchart3.png |
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13 | \image examples_presenterchart3.png | |
14 | \image examples_presenterchart4.png |
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14 | \image examples_presenterchart4.png | |
15 |
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15 | |||
16 | We create simple ChartView class which derives form QChartView. |
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16 | We create simple ChartView class which derives form QChartView. | |
17 |
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17 | |||
18 | \snippet ../examples/presenterchart/chartview.h 1 |
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18 | \snippet ../examples/presenterchart/chartview.h 1 | |
19 |
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19 | |||
20 | Class will implement \c handleTimeout() slot which we are going to use to trigger switching between different chart presentations. |
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20 | Class will implement \c handleTimeout() slot which we are going to use to trigger switching between different chart presentations. | |
21 | We are also going to provide \c handlePoitClicked() slot which will show clicked point on the chart. |
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21 | We are also going to provide \c handlePoitClicked() slot which will show clicked point on the chart. | |
22 | Class members \c m_series and \c m_titles are going to store series and related titles. In example we are going to present data as a line chart |
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22 | Class members \c m_series and \c m_titles are going to store series and related titles. In example we are going to present data as a line chart | |
@@ -32,17 +32,8 | |||||
32 | In the end we store references all the created series and matching titles. |
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32 | In the end we store references all the created series and matching titles. | |
33 |
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33 | |||
34 | \snippet ../examples/presenterchart/chartview.cpp 3 |
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34 | \snippet ../examples/presenterchart/chartview.cpp 3 | |
35 |
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35 | |||
36 | We connect \c clicked() signals from each series with our \c handlePointClciked() slot. |
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37 |
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38 | \snippet ../examples/presenterchart/chartview.cpp 4 |
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39 |
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40 | In \c handleTimeout() slot we change currently displayed chart by removing previous series and adding next series from the \c m_series list. We also set proper title. |
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36 | In \c handleTimeout() slot we change currently displayed chart by removing previous series and adding next series from the \c m_series list. We also set proper title. | |
41 |
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37 | |||
42 |
\snippet ../examples/presenterchart/chartview.cpp |
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38 | \snippet ../examples/presenterchart/chartview.cpp 4 | |
43 |
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44 | In \c handlePointClciked() slot we set the chart's title to show clicked point x and y coordinates. |
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45 |
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46 | \snippet ../examples/presenterchart/chartview.cpp 6 |
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47 |
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48 | */ |
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39 | */ |
@@ -9,18 +9,19 | |||||
9 |
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9 | |||
10 | To create scatter charts, QScatterSeries instance is needed. Here we create scatter series instance and we set the type, color and width of outline for scatter points. |
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10 | To create scatter charts, QScatterSeries instance is needed. Here we create scatter series instance and we set the type, color and width of outline for scatter points. | |
11 |
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11 | |||
12 |
\snippet ../examples/scatterchart/ |
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12 | \snippet ../examples/scatterchart/chartview.cpp 1 | |
13 |
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13 | |||
14 | We add data to be shown. We can use add() member function or use stream operator. |
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14 | We add data to be shown. We can use add() member function or use stream operator. | |
15 |
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15 | |||
16 |
\snippet ../examples/scatterchart/ |
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16 | \snippet ../examples/scatterchart/chartview.cpp 2 | |
17 |
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17 | |||
18 | In the end we create QChartView instance, set title, set anti-aliasing and add scatter series. |
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18 | In the end we enable anti-aliasing, set the chart title and add the scatter series onto the chart. We also disable | |
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19 | drop shadow, because it would not look good on an application with only chart view shown. | |||
19 |
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20 | |||
20 |
\snippet ../examples/scatterchart/ |
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21 | \snippet ../examples/scatterchart/chartview.cpp 3 | |
21 |
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22 | |||
22 | Chart is ready to be shown. |
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23 | Chart is ready to be shown. | |
23 |
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24 | |||
24 |
\snippet ../examples/scatterchart/main.cpp 4 |
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25 | \snippet ../examples/scatterchart/main.cpp 4 | |
25 |
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26 | |||
26 | */ |
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27 | */ |
@@ -29,6 +29,7 ChartView::ChartView(QChart* chart,QWidget* parent):QChartView(chart,parent), | |||||
29 | m_index(-1),m_chart(chart) |
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29 | m_index(-1),m_chart(chart) | |
30 | { |
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30 | { | |
31 | m_chart->setTitle("Charts presenter"); |
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31 | m_chart->setTitle("Charts presenter"); | |
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32 | m_chart->setBackgroundDropShadowEnabled(false); | |||
32 | QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(handleTimeout())); |
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33 | QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(handleTimeout())); | |
33 | m_timer.setInterval(3000); |
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34 | m_timer.setInterval(3000); | |
34 |
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35 | |||
@@ -78,11 +79,6 m_index(-1),m_chart(chart) | |||||
78 | m_titles<< m_chart->title()+": AreaChart"; |
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79 | m_titles<< m_chart->title()+": AreaChart"; | |
79 | //![3] |
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80 | //![3] | |
80 |
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81 | |||
81 | //![4] |
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82 | foreach (QAbstractSeries* series, m_series) { |
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83 | QObject::connect(series,SIGNAL(clicked(QPointF)),this,SLOT(handlePointClicked(QPointF))); |
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84 | } |
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85 | //![4] |
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86 | m_timer.start(); |
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82 | m_timer.start(); | |
87 | handleTimeout(); |
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83 | handleTimeout(); | |
88 | } |
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84 | } | |
@@ -95,7 +91,7 ChartView::~ChartView() | |||||
95 | qDeleteAll(m_series); |
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91 | qDeleteAll(m_series); | |
96 | } |
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92 | } | |
97 |
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93 | |||
98 |
//![ |
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94 | //![4] | |
99 | void ChartView::handleTimeout() |
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95 | void ChartView::handleTimeout() | |
100 | { |
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96 | { | |
101 | if(m_series.size()==0) return; |
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97 | if(m_series.size()==0) return; | |
@@ -106,11 +102,4 void ChartView::handleTimeout() | |||||
106 | m_chart->addSeries(m_series.at(m_index)); |
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102 | m_chart->addSeries(m_series.at(m_index)); | |
107 | m_chart->setTitle(m_titles.at(m_index)); |
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103 | m_chart->setTitle(m_titles.at(m_index)); | |
108 | } |
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104 | } | |
109 |
//![ |
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105 | //![4] | |
110 |
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111 | //![6] |
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112 | void ChartView::handlePointClicked(const QPointF& point) |
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113 | { |
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114 | m_chart->setTitle(m_titles.at(m_index) + QString(" x: %1 y: %2").arg(point.x()).arg(point.y())); |
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115 | } |
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116 | //![6] |
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@@ -36,7 +36,6 public: | |||||
36 |
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36 | |||
37 | public slots: |
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37 | public slots: | |
38 | void handleTimeout(); |
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38 | void handleTimeout(); | |
39 | void handlePointClicked(const QPointF& point); |
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40 |
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39 | |||
41 | private: |
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40 | private: | |
42 | QTimer m_timer; |
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41 | QTimer m_timer; |
@@ -31,7 +31,7 int main(int argc, char *argv[]) | |||||
31 | chart->axisY()->setNiceNumbersEnabled(true); |
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31 | chart->axisY()->setNiceNumbersEnabled(true); | |
32 | ChartView chartView(chart,&window); |
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32 | ChartView chartView(chart,&window); | |
33 | chartView.setRenderHint(QPainter::Antialiasing); |
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33 | chartView.setRenderHint(QPainter::Antialiasing); | |
34 |
chart->setAnimationOptions(QChart:: |
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34 | chart->setAnimationOptions(QChart::SeriesAnimations); | |
35 | window.setCentralWidget(&chartView); |
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35 | window.setCentralWidget(&chartView); | |
36 | window.resize(400, 300); |
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36 | window.resize(400, 300); | |
37 | window.show(); |
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37 | window.show(); |
@@ -20,8 +20,7 | |||||
20 |
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20 | |||
21 | #include <QtGui/QApplication> |
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21 | #include <QtGui/QApplication> | |
22 | #include <QMainWindow> |
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22 | #include <QMainWindow> | |
23 |
#include |
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23 | #include "chartview.h" | |
24 | #include <QScatterSeries> |
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25 |
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24 | |||
26 | QTCOMMERCIALCHART_USE_NAMESPACE |
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25 | QTCOMMERCIALCHART_USE_NAMESPACE | |
27 |
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26 | |||
@@ -29,54 +28,13 int main(int argc, char *argv[]) | |||||
29 | { |
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28 | { | |
30 | QApplication a(argc, argv); |
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29 | QApplication a(argc, argv); | |
31 |
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30 | |||
32 | //![1] |
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33 | QPen pen(Qt::black); |
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34 | pen.setWidth(2); |
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35 | QBrush blue(Qt::blue); |
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36 | QBrush red(Qt::red); |
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37 |
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38 | QScatterSeries *series0 = new QScatterSeries(); |
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39 | series0->setPen(pen); |
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40 | series0->setBrush(blue); |
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41 | series0->setShape(QScatterSeries::MarkerShapeCircle); |
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42 | series0->setSize(15.0); |
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43 |
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44 | QScatterSeries *series1 = new QScatterSeries(); |
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45 | series1->setPen(pen); |
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46 | series1->setBrush(red); |
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47 | series1->setShape(QScatterSeries::MarkerShapeCircle); |
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48 | series1->setSize(15.0); |
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49 | //![1] |
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50 |
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51 | //![2] |
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52 | series0->append(0, 6); |
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53 | series0->append(2, 4); |
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54 | series0->append(3, 8); |
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55 | series0->append(7, 4); |
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56 | series0->append(10, 5); |
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57 |
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58 | *series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2); |
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59 | //![2] |
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60 |
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61 | //![3] |
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62 | QChart* chart = new QChart(); |
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63 |
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64 | chart->addSeries(series0); |
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65 | chart->addSeries(series1); |
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66 | chart->setTitle("Simple scatterchart example"); |
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67 | //![3] |
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68 |
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69 | //![4] |
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70 | QChartView* chartView = new QChartView(chart); |
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71 | chartView->setRenderHint(QPainter::Antialiasing); |
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72 | //![4] |
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31 | //![4] | |
73 |
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32 | ChartView* chartView = new ChartView(); | ||
74 | //![5] |
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75 | QMainWindow window; |
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33 | QMainWindow window; | |
76 | window.setCentralWidget(chartView); |
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34 | window.setCentralWidget(chartView); | |
77 | window.resize(400, 300); |
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35 | window.resize(400, 300); | |
78 | window.show(); |
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36 | window.show(); | |
79 |
//![ |
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37 | //![4] | |
80 |
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38 | |||
81 | return a.exec(); |
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39 | return a.exec(); | |
82 | } |
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40 | } |
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