@@ -1,481 +1,486 | |||
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1 | 1 | /**************************************************************************** |
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2 | 2 | ** |
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3 | 3 | ** Copyright (C) 2012 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 Commercial 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 Commercial licenses may use this file in |
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11 | 11 | ** accordance with the Qt Commercial 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 "chartdataset_p.h" |
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22 | 22 | #include "chartpresenter_p.h" |
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23 | 23 | #include "qchart.h" |
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24 | 24 | #include "qchart_p.h" |
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25 | 25 | #include "qvalueaxis.h" |
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26 | 26 | #include "qbarcategoryaxis.h" |
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27 | 27 | #include "qvalueaxis_p.h" |
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28 | 28 | #include "qcategoryaxis.h" |
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29 | 29 | #include "qabstractseries_p.h" |
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30 | 30 | #include "qabstractbarseries.h" |
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31 | 31 | #include "qstackedbarseries.h" |
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32 | 32 | #include "qpercentbarseries.h" |
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33 | 33 | #include "qpieseries.h" |
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34 | 34 | #include "chartitem_p.h" |
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35 | 35 | #include "xydomain_p.h" |
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36 | 36 | #include "xlogydomain_p.h" |
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37 | 37 | #include "logxydomain_p.h" |
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38 | 38 | #include "logxlogydomain_p.h" |
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39 | 39 | |
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40 | 40 | #ifndef QT_ON_ARM |
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41 | 41 | #include "qdatetimeaxis.h" |
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42 | 42 | #endif |
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43 | 43 | |
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44 | 44 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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45 | 45 | |
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46 | 46 | ChartDataSet::ChartDataSet(QChart *chart) |
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47 | 47 | : QObject(chart), |
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48 | 48 | m_chart(chart) |
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49 | 49 | { |
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50 | 50 | |
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51 | 51 | } |
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52 | 52 | |
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53 | 53 | ChartDataSet::~ChartDataSet() |
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54 | 54 | { |
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55 | 55 | deleteAllSeries(); |
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56 | 56 | deleteAllAxes(); |
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57 | 57 | } |
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58 | 58 | |
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59 | 59 | /* |
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60 | 60 | * This method adds series to chartdataset, series ownership is taken from caller. |
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61 | 61 | */ |
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62 | 62 | void ChartDataSet::addSeries(QAbstractSeries *series) |
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63 | 63 | { |
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64 | 64 | if (m_seriesList.contains(series)) { |
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65 | 65 | qWarning() << QObject::tr("Can not add series. Series already on the chart."); |
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66 | 66 | return; |
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67 | 67 | } |
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68 | 68 | |
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69 | 69 | series->d_ptr->initializeDomain(); |
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70 | 70 | m_seriesList.append(series); |
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71 | 71 | |
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72 | 72 | series->setParent(this); // take ownership |
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73 | 73 | series->d_ptr->m_chart = m_chart; |
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74 | 74 | |
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75 | 75 | emit seriesAdded(series); |
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76 | 76 | } |
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77 | 77 | |
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78 | 78 | /* |
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79 | 79 | * This method adds axis to chartdataset, axis ownership is taken from caller. |
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80 | 80 | */ |
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81 | 81 | void ChartDataSet::addAxis(QAbstractAxis *axis,Qt::Alignment aligment) |
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82 | 82 | { |
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83 | 83 | if (m_axisList.contains(axis)) { |
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84 | 84 | qWarning() << QObject::tr("Can not add axis. Axis already on the chart."); |
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85 | 85 | return; |
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86 | 86 | } |
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87 | 87 | |
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88 | 88 | axis->d_ptr->setAlignment(aligment); |
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89 | 89 | |
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90 | 90 | if(!axis->alignment()) { |
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91 | 91 | qWarning()<< QObject::tr("No alignment specified !"); |
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92 | 92 | return; |
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93 | 93 | }; |
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94 | 94 | |
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95 | 95 | QSharedPointer<AbstractDomain> domain(new XYDomain()); |
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96 | 96 | axis->d_ptr->initializeDomain(domain.data()); |
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97 | 97 | |
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98 | 98 | axis->setParent(this); |
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99 | 99 | axis->d_ptr->m_chart = m_chart; |
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100 | 100 | m_axisList.append(axis); |
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101 | 101 | |
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102 | 102 | emit axisAdded(axis); |
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103 | 103 | } |
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104 | 104 | |
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105 | 105 | /* |
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106 | 106 | * This method removes series form chartdataset, series ownership is passed back to caller. |
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107 | 107 | */ |
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108 | 108 | void ChartDataSet::removeSeries(QAbstractSeries *series) |
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109 | 109 | { |
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110 | 110 | |
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111 | 111 | if (! m_seriesList.contains(series)) { |
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112 | 112 | qWarning() << QObject::tr("Can not remove series. Series not found on the chart."); |
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113 | 113 | return; |
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114 | 114 | } |
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115 | 115 | |
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116 | 116 | emit seriesRemoved(series); |
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117 | 117 | m_seriesList.removeAll(series); |
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118 | 118 | |
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119 | 119 | series->setParent(0); |
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120 | 120 | series->d_ptr->m_chart = 0; |
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121 | 121 | series->d_ptr->m_domain.reset(0); |
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122 | 122 | |
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123 | 123 | QList<QAbstractAxis*> axes = series->d_ptr->m_axes; |
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124 | 124 | |
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125 | 125 | foreach(QAbstractAxis* axis, axes) { |
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126 | 126 | axis->d_ptr->m_series.removeAll(series); |
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127 | 127 | series->d_ptr->m_axes.removeAll(axis); |
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128 | 128 | } |
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129 | 129 | |
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130 | 130 | } |
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131 | 131 | |
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132 | 132 | /* |
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133 | 133 | * This method removes axis form chartdataset, series ownership is passed back to caller. |
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134 | 134 | */ |
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135 | 135 | void ChartDataSet::removeAxis(QAbstractAxis *axis) |
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136 | 136 | { |
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137 | 137 | if (! m_axisList.contains(axis)) { |
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138 | 138 | qWarning() << QObject::tr("Can not remove axis. Axis not found on the chart."); |
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139 | 139 | return; |
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140 | 140 | } |
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141 | 141 | |
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142 | 142 | emit axisRemoved(axis); |
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143 | 143 | m_axisList.removeAll(axis); |
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144 | 144 | |
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145 | 145 | axis->setParent(0); |
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146 | 146 | axis->d_ptr->m_chart = 0; |
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147 | 147 | |
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148 | 148 | QList<QAbstractSeries*> series = axis->d_ptr->m_series; |
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149 | 149 | |
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150 | 150 | foreach(QAbstractSeries* s, series) { |
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151 | 151 | s->d_ptr->m_axes.removeAll(axis); |
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152 | 152 | axis->d_ptr->m_series.removeAll(s); |
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153 | 153 | } |
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154 | 154 | } |
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155 | 155 | |
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156 | 156 | /* |
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157 | 157 | * This method attaches axis to series, return true if success. |
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158 | 158 | */ |
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159 | 159 | bool ChartDataSet::attachAxis(QAbstractSeries* series,QAbstractAxis *axis) |
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160 | 160 | { |
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161 | 161 | Q_ASSERT(series); |
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162 | 162 | Q_ASSERT(axis); |
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163 | 163 | |
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164 | 164 | QList<QAbstractSeries* > attachedSeriesList = axis->d_ptr->m_series; |
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165 | 165 | QList<QAbstractAxis* > attachedAxisList = series->d_ptr->m_axes; |
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166 | 166 | |
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167 | 167 | if (!m_seriesList.contains(series)) { |
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168 | 168 | qWarning() << QObject::tr("Can not find series on the chart."); |
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169 | 169 | return false; |
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170 | 170 | } |
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171 | 171 | |
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172 | 172 | if (axis && !m_axisList.contains(axis)) { |
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173 | 173 | qWarning() << QObject::tr("Can not find axis on the chart."); |
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174 | 174 | return false; |
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175 | 175 | } |
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176 | 176 | |
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177 | 177 | if (attachedAxisList.contains(axis)) { |
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178 | 178 | qWarning() << QObject::tr("Axis already attached to series."); |
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179 | 179 | return false; |
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180 | 180 | } |
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181 | 181 | |
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182 | 182 | if (attachedSeriesList.contains(series)) { |
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183 | 183 | qWarning() << QObject::tr("Axis already attached to series."); |
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184 | 184 | return false; |
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185 | 185 | } |
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186 | 186 | |
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187 | 187 | AbstractDomain* domain = series->d_ptr->domain(); |
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188 | 188 | AbstractDomain::DomainType type = selectDomain(attachedAxisList<<axis); |
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189 | 189 | |
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190 | 190 | if(type == AbstractDomain::UndefinedDomain) return false; |
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191 | 191 | |
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192 | 192 | if(domain->type()!=type){ |
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193 | 193 | domain = createDomain(type); |
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194 | 194 | } |
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195 | 195 | |
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196 | 196 | if(!domain) return false; |
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197 | 197 | |
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198 | 198 | if(!domain->attachAxis(axis)) return false; |
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199 | 199 | |
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200 | series->d_ptr->m_axes<<axis; | |
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201 | axis->d_ptr->m_series<<series; | |
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202 | ||
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203 | 200 | if(domain!=series->d_ptr->domain()){ |
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201 | foreach(QAbstractAxis* axis,series->d_ptr->m_axes){ | |
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202 | series->d_ptr->domain()->detachAxis(axis); | |
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203 | domain->attachAxis(axis); | |
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204 | } | |
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204 | 205 | series->d_ptr->setDomain(domain); |
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205 | 206 | series->d_ptr->initializeDomain(); |
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206 | 207 | } |
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208 | ||
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209 | series->d_ptr->m_axes<<axis; | |
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210 | axis->d_ptr->m_series<<series; | |
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211 | ||
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207 | 212 | series->d_ptr->initializeAxes(); |
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208 | 213 | axis->d_ptr->initializeDomain(domain); |
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209 | 214 | |
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210 | 215 | return true; |
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211 | 216 | } |
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212 | 217 | |
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213 | 218 | /* |
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214 | 219 | * This method detaches axis to series, return true if success. |
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215 | 220 | */ |
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216 | 221 | bool ChartDataSet::detachAxis(QAbstractSeries* series,QAbstractAxis *axis) |
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217 | 222 | { |
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218 | 223 | Q_ASSERT(series); |
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219 | 224 | Q_ASSERT(axis); |
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220 | 225 | |
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221 | 226 | QList<QAbstractSeries* > attachedSeriesList = axis->d_ptr->m_series; |
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222 | 227 | QList<QAbstractAxis* > attachedAxisList = series->d_ptr->m_axes; |
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223 | 228 | AbstractDomain* domain = series->d_ptr->domain(); |
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224 | 229 | |
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225 | 230 | if (!m_seriesList.contains(series)) { |
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226 | 231 | qWarning() << QObject::tr("Can not find series on the chart."); |
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227 | 232 | return false; |
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228 | 233 | } |
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229 | 234 | |
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230 | 235 | if (axis && !m_axisList.contains(axis)) { |
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231 | 236 | qWarning() << QObject::tr("Can not find axis on the chart."); |
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232 | 237 | return false; |
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233 | 238 | } |
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234 | 239 | |
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235 | 240 | if (!attachedAxisList.contains(axis)) { |
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236 | 241 | qWarning() << QObject::tr("Axis not attached to series."); |
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237 | 242 | return false; |
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238 | 243 | } |
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239 | 244 | |
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240 | 245 | Q_ASSERT(axis->d_ptr->m_series.contains(series)); |
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241 | 246 | |
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242 | 247 | domain->detachAxis(axis); |
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243 | 248 | series->d_ptr->m_axes.removeAll(axis); |
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244 | 249 | axis->d_ptr->m_series.removeAll(series); |
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245 | 250 | |
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246 | 251 | return true; |
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247 | 252 | } |
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248 | 253 | |
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249 | 254 | void ChartDataSet::createDefaultAxes() |
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250 | 255 | { |
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251 | 256 | if (m_seriesList.isEmpty()) |
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252 | 257 | return; |
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253 | 258 | |
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254 | 259 | QAbstractAxis::AxisTypes typeX(0); |
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255 | 260 | QAbstractAxis::AxisTypes typeY(0); |
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256 | 261 | |
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257 | 262 | // Remove possibly existing axes |
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258 | 263 | deleteAllAxes(); |
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259 | 264 | |
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260 | 265 | Q_ASSERT(m_axisList.isEmpty()); |
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261 | 266 | |
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262 | 267 | // Select the required axis x and axis y types based on the types of the current series |
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263 | 268 | foreach(QAbstractSeries* s, m_seriesList) { |
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264 | 269 | typeX |= s->d_ptr->defaultAxisType(Qt::Horizontal); |
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265 | 270 | typeY |= s->d_ptr->defaultAxisType(Qt::Vertical); |
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266 | 271 | } |
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267 | 272 | |
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268 | 273 | // Create the axes of the types selected |
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269 | 274 | createAxes(typeX, Qt::Horizontal); |
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270 | 275 | createAxes(typeY, Qt::Vertical); |
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271 | 276 | |
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272 | 277 | } |
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273 | 278 | |
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274 | 279 | void ChartDataSet::createAxes(QAbstractAxis::AxisTypes type, Qt::Orientation orientation) |
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275 | 280 | { |
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276 | 281 | QAbstractAxis *axis = 0; |
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277 | 282 | //decide what axis should be created |
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278 | 283 | |
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279 | 284 | switch (type) { |
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280 | 285 | case QAbstractAxis::AxisTypeValue: |
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281 | 286 | axis = new QValueAxis(this); |
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282 | 287 | break; |
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283 | 288 | case QAbstractAxis::AxisTypeBarCategory: |
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284 | 289 | axis = new QBarCategoryAxis(this); |
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285 | 290 | break; |
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286 | 291 | case QAbstractAxis::AxisTypeCategory: |
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287 | 292 | axis = new QCategoryAxis(this); |
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288 | 293 | break; |
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289 | 294 | #ifndef Q_WS_QWS |
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290 | 295 | case QAbstractAxis::AxisTypeDateTime: |
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291 | 296 | axis = new QDateTimeAxis(this); |
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292 | 297 | break; |
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293 | 298 | #endif |
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294 | 299 | default: |
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295 | 300 | axis = 0; |
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296 | 301 | break; |
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297 | 302 | } |
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298 | 303 | |
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299 | 304 | if (axis) { |
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300 | 305 | //create one axis for all |
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301 | 306 | |
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302 | 307 | addAxis(axis,orientation==Qt::Horizontal?Qt::AlignBottom:Qt::AlignLeft); |
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303 | 308 | |
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304 | 309 | foreach(QAbstractSeries *s, m_seriesList) { |
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305 | 310 | attachAxis(s,axis); |
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306 | 311 | } |
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307 | 312 | |
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308 | 313 | } |
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309 | 314 | else if (!type.testFlag(QAbstractAxis::AxisTypeNoAxis)) { |
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310 | 315 | //create separate axis |
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311 | 316 | foreach(QAbstractSeries *s, m_seriesList) { |
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312 | 317 | QAbstractAxis *axis = s->d_ptr->createDefaultAxis(orientation); |
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313 | 318 | if(axis) { |
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314 | 319 | addAxis(axis,orientation==Qt::Horizontal?Qt::AlignBottom:Qt::AlignLeft); |
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315 | 320 | attachAxis(s,axis); |
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316 | 321 | } |
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317 | 322 | } |
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318 | 323 | } |
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319 | 324 | } |
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320 | 325 | |
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321 | 326 | void ChartDataSet::deleteAllSeries() |
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322 | 327 | { |
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323 | 328 | foreach (QAbstractSeries *s , m_seriesList){ |
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324 | 329 | removeSeries(s); |
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325 | 330 | delete s; |
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326 | 331 | } |
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327 | 332 | Q_ASSERT(m_seriesList.count() == 0); |
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328 | 333 | } |
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329 | 334 | |
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330 | 335 | void ChartDataSet::deleteAllAxes() |
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331 | 336 | { |
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332 | 337 | foreach (QAbstractAxis *a , m_axisList){ |
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333 | 338 | removeAxis(a); |
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334 | 339 | delete a; |
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335 | 340 | } |
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336 | 341 | Q_ASSERT(m_axisList.count() == 0); |
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337 | 342 | } |
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338 | 343 | |
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339 | 344 | void ChartDataSet::zoomInDomain(const QRectF &rect) |
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340 | 345 | { |
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341 | 346 | QList<AbstractDomain*> domains; |
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342 | 347 | foreach(QAbstractSeries *s, m_seriesList) { |
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343 | 348 | AbstractDomain* domain = s->d_ptr->domain(); |
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344 | 349 | s->d_ptr->m_domain->blockRangeSignals(true); |
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345 | 350 | domains<<domain; |
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346 | 351 | } |
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347 | 352 | |
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348 | 353 | foreach(AbstractDomain *domain, domains) |
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349 | 354 | domain->zoomIn(rect); |
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350 | 355 | |
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351 | 356 | foreach(AbstractDomain *domain, domains) |
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352 | 357 | domain->blockRangeSignals(false); |
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353 | 358 | } |
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354 | 359 | |
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355 | 360 | void ChartDataSet::zoomOutDomain(const QRectF &rect) |
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356 | 361 | { |
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357 | 362 | QList<AbstractDomain*> domains; |
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358 | 363 | foreach(QAbstractSeries *s, m_seriesList) { |
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359 | 364 | AbstractDomain* domain = s->d_ptr->domain(); |
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360 | 365 | s->d_ptr->m_domain->blockRangeSignals(true); |
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361 | 366 | domains<<domain; |
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362 | 367 | } |
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363 | 368 | |
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364 | 369 | foreach(AbstractDomain *domain, domains) |
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365 | 370 | domain->zoomOut(rect); |
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366 | 371 | |
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367 | 372 | foreach(AbstractDomain *domain, domains) |
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368 | 373 | domain->blockRangeSignals(false); |
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369 | 374 | } |
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370 | 375 | |
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371 | 376 | void ChartDataSet::scrollDomain(qreal dx, qreal dy) |
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372 | 377 | { |
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373 | 378 | QList<AbstractDomain*> domains; |
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374 | 379 | foreach(QAbstractSeries *s, m_seriesList) { |
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375 | 380 | AbstractDomain* domain = s->d_ptr->domain(); |
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376 | 381 | s->d_ptr->m_domain->blockRangeSignals(true); |
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377 | 382 | domains<<domain; |
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378 | 383 | } |
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379 | 384 | |
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380 | 385 | foreach(AbstractDomain *domain, domains) |
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381 | 386 | domain->move(dx, dy); |
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382 | 387 | |
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383 | 388 | foreach(AbstractDomain *domain, domains) |
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384 | 389 | domain->blockRangeSignals(false); |
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385 | 390 | } |
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386 | 391 | |
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387 | 392 | QList<QAbstractAxis*> ChartDataSet::axes() const |
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388 | 393 | { |
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389 | 394 | return m_axisList; |
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390 | 395 | } |
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391 | 396 | |
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392 | 397 | QList<QAbstractSeries *> ChartDataSet::series() const |
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393 | 398 | { |
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394 | 399 | return m_seriesList; |
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395 | 400 | } |
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396 | 401 | |
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397 | 402 | AbstractDomain::DomainType ChartDataSet::selectDomain(QList<QAbstractAxis*> axes) |
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398 | 403 | { |
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399 | 404 | enum Type { |
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400 | 405 | Undefined = 0, |
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401 | 406 | LogType = 0x1, |
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402 | 407 | ValueType = 0x2 |
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403 | 408 | }; |
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404 | 409 | |
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405 | 410 | int horizontal(Undefined); |
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406 | 411 | int vertical(Undefined); |
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407 | 412 | |
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408 | 413 | foreach(QAbstractAxis* axis, axes) |
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409 | 414 | { |
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410 | 415 | switch(axis->type()) { |
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411 | 416 | case QAbstractAxis::AxisTypeLogValue: |
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412 | 417 | |
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413 | 418 | if(axis->orientation()==Qt::Horizontal) { |
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414 | 419 | horizontal|=LogType; |
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415 | 420 | } |
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416 | 421 | if(axis->orientation()==Qt::Vertical) { |
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417 | 422 | vertical|=LogType; |
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418 | 423 | } |
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419 | 424 | |
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420 | 425 | break; |
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421 | 426 | case QAbstractAxis::AxisTypeValue: |
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422 | 427 | case QAbstractAxis::AxisTypeBarCategory: |
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423 | 428 | case QAbstractAxis::AxisTypeCategory: |
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424 | 429 | case QAbstractAxis::AxisTypeDateTime: |
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425 | 430 | if(axis->orientation()==Qt::Horizontal) { |
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426 | 431 | horizontal|=ValueType; |
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427 | 432 | } |
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428 | 433 | if(axis->orientation()==Qt::Vertical) { |
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429 | 434 | vertical|=ValueType; |
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430 | 435 | } |
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431 | 436 | break; |
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432 | 437 | default: |
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433 | 438 | qWarning()<<"Undefined type"; |
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434 | 439 | break; |
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435 | 440 | } |
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436 | 441 | } |
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437 | 442 | |
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438 | 443 | if(vertical==Undefined) vertical=ValueType; |
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439 | 444 | if(horizontal==Undefined) horizontal=ValueType; |
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440 | 445 | |
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441 | 446 | if(vertical==ValueType && horizontal== ValueType) { |
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442 | 447 | return AbstractDomain::XYDomain; |
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443 | 448 | } |
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444 | 449 | |
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445 | 450 | if(vertical==LogType && horizontal== ValueType) { |
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446 | 451 | return AbstractDomain::XLogYDomain; |
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447 | 452 | } |
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448 | 453 | |
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449 | 454 | if(vertical==ValueType && horizontal== LogType) { |
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450 | 455 | return AbstractDomain::LogXYDomain; |
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451 | 456 | } |
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452 | 457 | |
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453 | 458 | if(vertical==LogType && horizontal== LogType) { |
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454 | 459 | return AbstractDomain::LogXLogYDomain; |
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455 | 460 | } |
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456 | 461 | |
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457 | 462 | return AbstractDomain::UndefinedDomain; |
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458 | 463 | } |
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459 | 464 | |
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460 | 465 | |
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461 | 466 | //refactor create factory |
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462 | 467 | AbstractDomain* ChartDataSet::createDomain(AbstractDomain::DomainType type) |
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463 | 468 | { |
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464 | 469 | switch(type) |
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465 | 470 | { |
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466 | 471 | case AbstractDomain::LogXLogYDomain: |
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467 | 472 | return new LogXLogYDomain(); |
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468 | 473 | case AbstractDomain::XYDomain: |
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469 | 474 | return new XYDomain(); |
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470 | 475 | case AbstractDomain::XLogYDomain: |
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471 | 476 | return new XLogYDomain(); |
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472 | 477 | case AbstractDomain::LogXYDomain: |
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473 | 478 | return new LogXYDomain(); |
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474 | 479 | default: |
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475 | 480 | return 0; |
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476 | 481 | } |
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477 | 482 | } |
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478 | 483 | |
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479 | 484 | #include "moc_chartdataset_p.cpp" |
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480 | 485 | |
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481 | 486 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,211 +1,209 | |||
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1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial 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 Commercial licenses may use this file in |
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11 | 11 | ** accordance with the Qt Commercial 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 "xlogydomain_p.h" |
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22 | 22 | #include "qabstractaxis_p.h" |
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23 | 23 | #include "qlogvalueaxis.h" |
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24 | 24 | #include <qmath.h> |
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25 | 25 | |
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26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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27 | 27 | |
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28 | 28 | XLogYDomain::XLogYDomain(QObject *parent) |
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29 | 29 | : AbstractDomain(parent), |
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30 | 30 | m_logMinY(0), |
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31 | 31 | m_logMaxY(1), |
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32 | 32 | m_logBaseY(10) |
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33 | 33 | { |
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34 | 34 | } |
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35 | 35 | |
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36 | 36 | XLogYDomain::~XLogYDomain() |
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37 | 37 | { |
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38 | 38 | } |
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39 | 39 | |
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40 | 40 | void XLogYDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) |
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41 | 41 | { |
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42 | 42 | bool axisXChanged = false; |
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43 | 43 | bool axisYChanged = false; |
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44 | 44 | |
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45 | 45 | if (!qFuzzyIsNull(m_minX - minX) || !qFuzzyIsNull(m_maxX - maxX)) { |
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46 | 46 | m_minX = minX; |
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47 | 47 | m_maxX = maxX; |
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48 | 48 | axisXChanged = true; |
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49 | 49 | if(!m_signalsBlocked) |
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50 | 50 | emit rangeHorizontalChanged(m_minX, m_maxX); |
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51 | 51 | } |
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52 | 52 | |
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53 | 53 | if (!qFuzzyIsNull(m_minY - minY) || !qFuzzyIsNull(m_maxY - maxY)) { |
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54 | 54 | m_minY = minY; |
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55 | 55 | m_maxY = maxY; |
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56 | 56 | axisYChanged = true; |
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57 | 57 | m_logMinY = log10(m_minY) / log10(m_logBaseY); |
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58 | 58 | m_logMaxY = log10(m_maxY) / log10(m_logBaseY); |
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59 | 59 | if(!m_signalsBlocked) |
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60 | 60 | emit rangeVerticalChanged(m_minY, m_maxY); |
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61 | 61 | } |
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62 | 62 | |
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63 | 63 | if (axisXChanged || axisYChanged) |
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64 | 64 | emit updated(); |
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65 | 65 | } |
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66 | 66 | |
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67 | 67 | void XLogYDomain::zoomIn(const QRectF &rect) |
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68 | 68 | { |
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69 | 69 | qreal dx = spanX() / m_size.width(); |
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70 | 70 | qreal maxX = m_maxX; |
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71 | 71 | qreal minX = m_minX; |
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72 | 72 | |
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73 | 73 | maxX = minX + dx * rect.right(); |
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74 | 74 | minX = minX + dx * rect.left(); |
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75 | 75 | |
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76 | 76 | qreal newLogMinY = m_logMaxY - rect.bottom() * (m_logMaxY - m_logMinY) / m_size.height(); |
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77 | 77 | qreal newLogMaxY = m_logMaxY - rect.top() * (m_logMaxY - m_logMinY) / m_size.height(); |
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78 | 78 | qreal minY = qPow(m_logBaseY, newLogMinY); |
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79 | 79 | qreal maxY = qPow(m_logBaseY, newLogMaxY); |
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80 | 80 | |
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81 | 81 | setRange(minX, maxX, minY, maxY); |
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82 | 82 | } |
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83 | 83 | |
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84 | 84 | void XLogYDomain::zoomOut(const QRectF &rect) |
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85 | 85 | { |
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86 | 86 | qreal dx = spanX() / rect.width(); |
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87 | 87 | qreal maxX = m_maxX; |
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88 | 88 | qreal minX = m_minX; |
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89 | 89 | |
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90 | 90 | minX = maxX - dx * rect.right(); |
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91 | 91 | maxX = minX + dx * m_size.width(); |
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92 | 92 | |
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93 | 93 | qreal ratioY = m_size.height()/rect.height(); |
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94 | 94 | qreal newLogMinY = m_logMaxY - (m_logMaxY - m_logMinY) / ratioY; |
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95 | 95 | qreal newLogMaxY = m_logMaxY + (m_logMaxY - m_logMinY) / ratioY; |
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96 | 96 | qreal minY = qPow(m_logBaseY, newLogMinY); |
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97 | 97 | qreal maxY = qPow(m_logBaseY, newLogMaxY); |
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98 | 98 | |
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99 | 99 | setRange(minX, maxX, minY, maxY); |
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100 | 100 | } |
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101 | 101 | |
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102 | 102 | void XLogYDomain::move(qreal dx, qreal dy) |
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103 | 103 | { |
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104 | 104 | qreal x = spanX() / m_size.width(); |
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105 | 105 | qreal maxX = m_maxX; |
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106 | 106 | qreal minX = m_minX; |
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107 | 107 | |
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108 | 108 | if (dx != 0) { |
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109 | 109 | minX = minX + x * dx; |
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110 | 110 | maxX = maxX + x * dx; |
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111 | 111 | } |
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112 | 112 | |
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113 | 113 | qreal stepY = dy * qAbs(m_logMaxY - m_logMinY) / m_size.height(); |
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114 | 114 | qreal minY = qPow(m_logBaseY, m_logMinY + stepY); |
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115 | 115 | qreal maxY = qPow(m_logBaseY, m_logMaxY + stepY); |
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116 | 116 | |
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117 | 117 | setRange(minX, maxX, minY, maxY); |
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118 | 118 | } |
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119 | 119 | |
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120 | 120 | QPointF XLogYDomain::calculateGeometryPoint(const QPointF &point) const |
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121 | 121 | { |
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122 | 122 | const qreal leftEdge = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
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123 | 123 | const qreal deltaX = m_size.width() / (m_maxX - m_minX); |
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124 | 124 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
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125 | 125 | |
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126 | 126 | qreal x = (point.x() - m_minX) * deltaX; |
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127 | 127 | qreal y = (log10(point.y()) / log10(m_logBaseY)) * -deltaY - leftEdge * -deltaY + m_size.height(); |
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128 | 128 | return QPointF(x, y); |
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129 | 129 | } |
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130 | 130 | |
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131 | 131 | QVector<QPointF> XLogYDomain::calculateGeometryPoints(const QList<QPointF>& vector) const |
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132 | 132 | { |
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133 | 133 | const qreal leftEdge = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
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134 | 134 | const qreal deltaX = m_size.width() / (m_maxX - m_minX); |
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135 | 135 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
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136 | 136 | |
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137 | 137 | QVector<QPointF> result; |
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138 | 138 | result.resize(vector.count()); |
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139 | 139 | |
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140 | 140 | for (int i = 0; i < vector.count(); ++i) { |
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141 | 141 | qreal x = (vector[i].x() - m_minX) * deltaX; |
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142 | 142 | qreal y = (log10(vector[i].y()) / log10(m_logBaseY)) * -deltaY - leftEdge * -deltaY + m_size.height(); |
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143 | 143 | result[i].setX(x); |
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144 | 144 | result[i].setY(y); |
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145 | 145 | } |
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146 | 146 | return result; |
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147 | 147 | } |
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148 | 148 | |
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149 | 149 | QPointF XLogYDomain::calculateDomainPoint(const QPointF &point) const |
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150 | 150 | { |
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151 | 151 | const qreal deltaX = m_size.width() / (m_maxX - m_minX); |
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152 | 152 | const qreal leftEdgeY = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
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153 | 153 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
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154 | 154 | qreal x = point.x() / deltaX + m_minX; |
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155 | 155 | qreal y = qPow(m_logBaseY, leftEdgeY + (m_size.height() - point.y()) / deltaY); |
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156 | 156 | return QPointF(x, y); |
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157 | 157 | } |
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158 | 158 | |
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159 | 159 | bool XLogYDomain::attachAxis(QAbstractAxis* axis) |
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160 | 160 | { |
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161 | AbstractDomain::attachAxis(axis); | |
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162 | 161 | QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); |
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163 | 162 | |
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164 | 163 | if(logAxis && logAxis->orientation()==Qt::Vertical) |
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165 | 164 | QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal))); |
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166 | 165 | |
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167 | return true; | |
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166 | return AbstractDomain::attachAxis(axis); | |
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168 | 167 | } |
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169 | 168 | |
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170 | 169 | bool XLogYDomain::detachAxis(QAbstractAxis* axis) |
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171 | 170 | { |
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172 | AbstractDomain::detachAxis(axis); | |
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173 | 171 | QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); |
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174 | 172 | |
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175 | 173 | if(logAxis && logAxis->orientation()==Qt::Vertical) |
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176 | 174 | QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal))); |
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177 | 175 | |
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178 | return true; | |
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176 | return AbstractDomain::detachAxis(axis); | |
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179 | 177 | } |
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180 | 178 | |
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181 | 179 | void XLogYDomain::handleVerticalAxisBaseChanged(qreal baseY) |
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182 | 180 | { |
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183 | 181 | m_logBaseY = baseY; |
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184 | 182 | } |
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185 | 183 | |
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186 | 184 | // operators |
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187 | 185 | |
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188 | 186 | bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const XLogYDomain &domain1, const XLogYDomain &domain2) |
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189 | 187 | { |
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190 | 188 | return (qFuzzyIsNull(domain1.m_maxX - domain2.m_maxX) && |
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191 | 189 | qFuzzyIsNull(domain1.m_maxY - domain2.m_maxY) && |
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192 | 190 | qFuzzyIsNull(domain1.m_minX - domain2.m_minX) && |
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193 | 191 | qFuzzyIsNull(domain1.m_minY - domain2.m_minY)); |
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194 | 192 | } |
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195 | 193 | |
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196 | 194 | |
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197 | 195 | bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const XLogYDomain &domain1, const XLogYDomain &domain2) |
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198 | 196 | { |
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199 | 197 | return !(domain1 == domain2); |
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200 | 198 | } |
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201 | 199 | |
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202 | 200 | |
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203 | 201 | QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const XLogYDomain &domain) |
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204 | 202 | { |
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205 | 203 | dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size; |
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206 | 204 | return dbg.maybeSpace(); |
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207 | 205 | } |
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208 | 206 | |
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209 | 207 | #include "moc_xlogydomain_p.cpp" |
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210 | 208 | |
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211 | 209 | QTCOMMERCIALCHART_END_NAMESPACE |
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