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1 | 1 | /**************************************************************************** |
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2 | 2 | ** |
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3 | 3 | ** Copyright (C) 2015 The Qt Company Ltd |
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4 | 4 | ** All rights reserved. |
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5 | 5 | ** For any questions to The Qt Company, please use contact form at http://qt.io |
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6 | 6 | ** |
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7 | 7 | ** This file is part of the Qt Charts module. |
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8 | 8 | ** |
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9 | 9 | ** Licensees holding valid commercial license for Qt may use this file in |
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10 | 10 | ** accordance with the Qt License Agreement provided with the Software |
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11 | 11 | ** or, alternatively, in accordance with the terms contained in a written |
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12 | 12 | ** agreement between you and The Qt Company. |
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13 | 13 | ** |
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14 | 14 | ** If you have questions regarding the use of this file, please use |
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15 | 15 | ** contact form at http://qt.io |
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16 | 16 | ** |
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17 | 17 | ****************************************************************************/ |
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18 | 18 | |
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19 | 19 | import QtQuick 2.0 |
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20 |
import QtCharts 2. |
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20 | import QtCharts 2.1 | |
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21 | 21 | |
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22 | 22 | Flow { |
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23 | 23 | anchors.fill: parent |
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24 | 24 | property variant chart |
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25 | 25 | flow: Flow.TopToBottom |
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26 | 26 | spacing: 5 |
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27 | 27 | |
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28 | 28 | Button { |
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29 | 29 | text: "add line" |
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30 | onClicked: addXYSeries(ChartView.SeriesTypeLine, "line"); | |
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30 | onClicked: addXYSeries(ChartView.SeriesTypeLine, "line", false); | |
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31 | } | |
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32 | Button { | |
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33 | text: "add GL line" | |
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34 | onClicked: addXYSeries(ChartView.SeriesTypeLine, "GL line", true); | |
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31 | 35 | } |
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32 | 36 | Button { |
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33 | 37 | text: "add spline" |
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34 | onClicked: addXYSeries(ChartView.SeriesTypeSpline, "spline"); | |
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38 | onClicked: addXYSeries(ChartView.SeriesTypeSpline, "spline", false); | |
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35 | 39 | } |
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36 | 40 | Button { |
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37 | 41 | text: "add scatter" |
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38 | onClicked: addXYSeries(ChartView.SeriesTypeScatter, "scatter"); | |
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42 | onClicked: addXYSeries(ChartView.SeriesTypeScatter, "scatter", false); | |
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43 | } | |
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44 | Button { | |
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45 | text: "add GL scatter" | |
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46 | onClicked: addXYSeries(ChartView.SeriesTypeScatter, "GL scatter", true); | |
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39 | 47 | } |
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40 | 48 | Button { |
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41 | 49 | text: "remove last" |
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42 | 50 | onClicked: { |
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43 | 51 | if (chart.count > 0) |
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44 | 52 | chart.removeSeries(chart.series(chart.count - 1)); |
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45 | 53 | else |
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46 | 54 | chart.removeSeries(0); |
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47 | 55 | } |
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48 | 56 | } |
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49 | 57 | Button { |
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50 | 58 | text: "remove all" |
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51 | 59 | onClicked: chart.removeAllSeries(); |
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52 | 60 | } |
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53 | 61 | |
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54 | function addXYSeries(type, name) { | |
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62 | function addXYSeries(type, name, openGl) { | |
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55 | 63 | var series = chart.createSeries(type, name + " " + chart.count); |
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56 | for (var i = chart.axisX().min; i < chart.axisX().max; i++) { | |
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64 | var multiplier = 10; | |
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65 | if (openGl) { | |
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66 | series.useOpenGL = true; | |
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67 | multiplier = 100; | |
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68 | } | |
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69 | for (var i = chart.axisX().min * multiplier; i < chart.axisX().max * multiplier; i++) { | |
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57 | 70 | var y = Math.random() * (chart.axisY().max - chart.axisY().min) + chart.axisY().min; |
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58 | var x = Math.random() + i; | |
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71 | var x = (Math.random() + i) / multiplier; | |
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59 | 72 | series.append(x, y); |
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60 | 73 | } |
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61 | 74 | } |
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62 | 75 | } |
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