| @@ -24,7 +24,6 | |||||
| 24 | #include "chartdatetimeaxisy_p.h" |
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24 | #include "chartdatetimeaxisy_p.h" | |
| 25 | #include "domain_p.h" |
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25 | #include "domain_p.h" | |
| 26 | #include <cmath> |
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26 | #include <cmath> | |
| 27 | #include <QDebug> |
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| 28 |
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27 | |||
| 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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28 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
| 30 | /*! |
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29 | /*! | |
| @@ -34,24 +33,33 QTCOMMERCIALCHART_BEGIN_NAMESPACE | |||||
| 34 |
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33 | |||
| 35 | The labels can be configured by setting an appropriate DateTime format. |
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34 | The labels can be configured by setting an appropriate DateTime format. | |
| 36 | QDateTimeAxis works correctly with dates from 4714 BCE to 287396 CE |
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35 | QDateTimeAxis works correctly with dates from 4714 BCE to 287396 CE | |
| 37 |
There are also other limitiation |
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36 | There are also other limitiation related to QDateTime . Please refer to QDateTime documentation. | |
| 38 | QDateTimeAxis can be setup to show axis line with tick marks, grid lines and shades. |
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37 | QDateTimeAxis can be setup to show axis line with tick marks, grid lines and shades. | |
| 39 |
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38 | |||
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39 | NOTE: QDateTimeAxis is disabled on ARM platform at the present time. | |||
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40 | ||||
| 40 | \image api_datatime_axis.png |
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41 | \image api_datatime_axis.png | |
| 41 |
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42 | |||
| 42 | Example code on how to use QDateTimeAxis. |
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43 | QDateTimeAxis can be used with QLineSeries, QSplineSeries or QScatterSeries. | |
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44 | To add a data point to the series QDateTime::toMSecsSinceEpoch() is used. | |||
| 43 | \code |
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45 | \code | |
| 44 | QChartView *chartView = new QChartView; |
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| 45 | QLineSeries *series = new QLineSeries; |
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46 | QLineSeries *series = new QLineSeries; | |
| 46 |
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47 | |||
| 47 | QDateTime xValue; |
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48 | QDateTime xValue; | |
| 48 | xValue.setDate(QDate(2012, 1 , 18)); |
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49 | xValue.setDate(QDate(2012, 1 , 18)); | |
| 49 | xValue.setTime(QTime(9, 34)); |
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50 | xValue.setTime(QTime(9, 34)); | |
| 50 | series->append(xValue.toMSecsSinceEpoch(), 12); |
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51 | qreal yValue = 12; | |
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52 | series->append(xValue.toMSecsSinceEpoch(), yValue); | |||
| 51 |
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53 | |||
| 52 | xValue.setDate(QDate(2013, 5 , 11)); |
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54 | xValue.setDate(QDate(2013, 5 , 11)); | |
| 53 | xValue.setTime(QTime(11, 14)); |
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55 | xValue.setTime(QTime(11, 14)); | |
| 54 | series->append(xValue.toMSecsSinceEpoch(), 22); |
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56 | qreal yValue = 22; | |
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57 | series->append(xValue.toMSecsSinceEpoch(), yValue); | |||
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58 | \endcode | |||
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59 | ||||
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60 | Adding the series to the chart and setting up the QDateTimeAxis. | |||
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61 | \code | |||
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62 | QChartView *chartView = new QChartView; | |||
| 55 | chartView->chart()->addSeries(series); |
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63 | chartView->chart()->addSeries(series); | |
| 56 |
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64 | |||
| 57 | // ... |
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65 | // ... | |
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