@@ -1,400 +1,399 | |||
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1 | 1 | #include "qchart.h" |
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2 | 2 | #include "qchartaxis.h" |
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3 | 3 | #include "chartpresenter_p.h" |
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4 | 4 | #include "chartdataset_p.h" |
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5 | 5 | #include "charttheme_p.h" |
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6 | 6 | #include "chartanimator_p.h" |
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7 | 7 | //series |
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8 | 8 | #include "qbarseries.h" |
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9 | 9 | #include "qstackedbarseries.h" |
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10 | 10 | #include "qpercentbarseries.h" |
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11 | 11 | #include "qlineseries.h" |
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12 | 12 | #include "qareaseries.h" |
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13 | 13 | #include "qpieseries.h" |
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14 | 14 | #include "qscatterseries.h" |
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15 | 15 | #include "qsplineseries.h" |
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16 | 16 | //items |
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17 | 17 | #include "axisitem_p.h" |
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18 | 18 | #include "areachartitem_p.h" |
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19 | 19 | #include "barpresenter_p.h" |
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20 | 20 | #include "stackedbarpresenter_p.h" |
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21 | 21 | #include "percentbarpresenter_p.h" |
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22 | 22 | #include "linechartitem_p.h" |
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23 | 23 | #include "piepresenter_p.h" |
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24 | 24 | #include "scatterchartitem_p.h" |
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25 | 25 | #include "splinechartitem_p.h" |
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26 | 26 | |
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27 | 27 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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28 | 28 | |
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29 | 29 | ChartPresenter::ChartPresenter(QChart* chart,ChartDataSet* dataset):QObject(chart), |
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30 | 30 | m_chart(chart), |
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31 | 31 | m_animator(0), |
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32 | 32 | m_dataset(dataset), |
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33 | 33 | m_chartTheme(0), |
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34 | 34 | m_zoomIndex(0), |
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35 | 35 | m_marginSize(0), |
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36 | 36 | m_rect(QRectF(QPoint(0,0),m_chart->size())), |
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37 | 37 | m_options(QChart::NoAnimation) |
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38 | 38 | { |
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39 | 39 | createConnections(); |
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40 | 40 | setChartTheme(QChart::ChartThemeDefault); |
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41 | 41 | } |
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42 | 42 | |
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43 | 43 | ChartPresenter::~ChartPresenter() |
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44 | 44 | { |
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45 | 45 | delete m_chartTheme; |
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46 | 46 | } |
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47 | 47 | |
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48 | 48 | void ChartPresenter::createConnections() |
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49 | 49 | { |
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50 | 50 | QObject::connect(m_chart,SIGNAL(geometryChanged()),this,SLOT(handleGeometryChanged())); |
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51 | 51 | QObject::connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),this,SLOT(handleSeriesAdded(QSeries*,Domain*))); |
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52 | 52 | QObject::connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),this,SLOT(handleSeriesRemoved(QSeries*))); |
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53 | 53 | QObject::connect(m_dataset,SIGNAL(axisAdded(QChartAxis*,Domain*)),this,SLOT(handleAxisAdded(QChartAxis*,Domain*))); |
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54 | 54 | QObject::connect(m_dataset,SIGNAL(axisRemoved(QChartAxis*)),this,SLOT(handleAxisRemoved(QChartAxis*))); |
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55 | 55 | } |
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56 | 56 | |
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57 | 57 | |
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58 | 58 | QRectF ChartPresenter::geometry() const |
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59 | 59 | { |
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60 | 60 | return m_rect; |
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61 | 61 | } |
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62 | 62 | |
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63 | 63 | void ChartPresenter::handleGeometryChanged() |
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64 | 64 | { |
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65 | 65 | QRectF rect(QPoint(0,0),m_chart->size()); |
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66 | 66 | rect.adjust(m_marginSize,m_marginSize, -m_marginSize, -m_marginSize); |
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67 | 67 | |
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68 | 68 | //rewrite zoom stack |
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69 | 69 | for(int i=0;i<m_zoomStack.count();i++){ |
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70 | 70 | QRectF r = m_zoomStack[i]; |
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71 | 71 | qreal w = rect.width()/m_rect.width(); |
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72 | 72 | qreal h = rect.height()/m_rect.height(); |
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73 | 73 | QPointF tl = r.topLeft(); |
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74 | 74 | tl.setX(tl.x()*w); |
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75 | 75 | tl.setY(tl.y()*h); |
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76 | 76 | QPointF br = r.bottomRight(); |
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77 | 77 | br.setX(br.x()*w); |
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78 | 78 | br.setY(br.y()*h); |
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79 | 79 | r.setTopLeft(tl); |
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80 | 80 | r.setBottomRight(br); |
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81 | 81 | m_zoomStack[i]=r; |
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82 | 82 | } |
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83 | 83 | |
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84 | 84 | m_rect = rect; |
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85 | 85 | Q_ASSERT(m_rect.isValid()); |
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86 | 86 | emit geometryChanged(m_rect); |
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87 | 87 | } |
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88 | 88 | |
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89 | 89 | int ChartPresenter::margin() const |
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90 | 90 | { |
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91 | 91 | return m_marginSize; |
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92 | 92 | } |
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93 | 93 | |
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94 | 94 | void ChartPresenter::setMargin(int margin) |
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95 | 95 | { |
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96 | 96 | m_marginSize = margin; |
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97 | 97 | } |
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98 | 98 | |
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99 | 99 | void ChartPresenter::handleAxisAdded(QChartAxis* axis,Domain* domain) |
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100 | 100 | { |
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101 | 101 | AxisItem* item = new AxisItem(axis,this,axis==m_dataset->axisX()?AxisItem::X_AXIS : AxisItem::Y_AXIS,m_chart); |
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102 | 102 | |
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103 | 103 | if(m_options.testFlag(QChart::GridAxisAnimations)){ |
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104 | 104 | m_animator->addAnimation(item); |
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105 | 105 | } |
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106 | 106 | |
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107 | 107 | if(axis==m_dataset->axisX()){ |
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108 | 108 | QObject::connect(domain,SIGNAL(rangeXChanged(qreal,qreal,int)),item,SLOT(handleRangeChanged(qreal,qreal,int))); |
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109 | 109 | //initialize |
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110 | 110 | item->handleRangeChanged(domain->minX(),domain->maxX(),domain->tickXCount()); |
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111 | 111 | } |
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112 | 112 | else{ |
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113 | 113 | QObject::connect(domain,SIGNAL(rangeYChanged(qreal,qreal,int)),item,SLOT(handleRangeChanged(qreal,qreal,int))); |
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114 | 114 | //initialize |
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115 | 115 | item->handleRangeChanged(domain->minY(),domain->maxY(),domain->tickYCount()); |
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116 | 116 | } |
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117 | 117 | |
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118 | 118 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&))); |
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119 | 119 | //initialize |
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120 | 120 | item->handleGeometryChanged(m_rect); |
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121 |
m_chartTheme->decorate(axis, |
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121 | m_chartTheme->decorate(axis, m_chart); | |
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122 | 122 | m_axisItems.insert(axis,item); |
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123 | ||
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124 | 123 | } |
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125 | 124 | |
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126 | 125 | void ChartPresenter::handleAxisRemoved(QChartAxis* axis) |
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127 | 126 | { |
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128 | 127 | AxisItem* item = m_axisItems.take(axis); |
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129 | 128 | Q_ASSERT(item); |
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130 | 129 | if(m_animator) m_animator->removeAnimation(item); |
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131 | 130 | delete item; |
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132 | 131 | } |
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133 | 132 | |
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134 | 133 | |
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135 | 134 | void ChartPresenter::handleSeriesAdded(QSeries* series,Domain* domain) |
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136 | 135 | { |
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137 | 136 | ChartItem *item = 0 ; |
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138 | 137 | |
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139 | 138 | switch(series->type()) |
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140 | 139 | { |
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141 | 140 | case QSeries::SeriesTypeLine: { |
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142 | 141 | |
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143 | 142 | QLineSeries* lineSeries = static_cast<QLineSeries*>(series); |
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144 | 143 | LineChartItem* line = new LineChartItem(lineSeries,m_chart); |
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145 | 144 | if(m_options.testFlag(QChart::SeriesAnimations)) { |
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146 | 145 | m_animator->addAnimation(line); |
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147 | 146 | } |
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148 | 147 | m_chartTheme->decorate(line, lineSeries, m_dataset->seriesIndex(series)); |
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149 | 148 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),line,SLOT(handleGeometryChanged(const QRectF&))); |
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150 | 149 | QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),line,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal))); |
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151 | 150 | item = line; |
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152 | 151 | break; |
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153 | 152 | } |
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154 | 153 | |
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155 | 154 | case QSeries::SeriesTypeArea: { |
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156 | 155 | |
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157 | 156 | QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series); |
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158 | 157 | AreaChartItem* area = new AreaChartItem(areaSeries,m_chart); |
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159 | 158 | if(m_options.testFlag(QChart::SeriesAnimations)) { |
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160 | 159 | m_animator->addAnimation(area->upperLineItem()); |
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161 | 160 | if(areaSeries->lowerSeries()) m_animator->addAnimation(area->lowerLineItem()); |
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162 | 161 | } |
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163 | 162 | m_chartTheme->decorate(area, areaSeries, m_dataset->seriesIndex(series)); |
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164 | 163 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),area,SLOT(handleGeometryChanged(const QRectF&))); |
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165 | 164 | QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),area,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal))); |
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166 | 165 | item=area; |
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167 | 166 | break; |
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168 | 167 | } |
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169 | 168 | |
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170 | 169 | case QSeries::SeriesTypeBar: { |
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171 | 170 | QBarSeries* barSeries = static_cast<QBarSeries*>(series); |
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172 | 171 | BarPresenter* bar = new BarPresenter(barSeries,m_chart); |
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173 | 172 | if(m_options.testFlag(QChart::SeriesAnimations)) { |
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174 | 173 | // m_animator->addAnimation(bar); |
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175 | 174 | } |
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176 | 175 | m_chartTheme->decorate(bar, barSeries, m_dataset->seriesIndex(barSeries)); |
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177 | 176 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&))); |
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178 | 177 | QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal))); |
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179 | 178 | item=bar; |
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180 | 179 | break; |
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181 | 180 | } |
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182 | 181 | |
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183 | 182 | case QSeries::SeriesTypeStackedBar: { |
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184 | 183 | QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series); |
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185 | 184 | StackedBarPresenter* bar = new StackedBarPresenter(stackedBarSeries,m_chart); |
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186 | 185 | if(m_options.testFlag(QChart::SeriesAnimations)) { |
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187 | 186 | // m_animator->addAnimation(bar); |
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188 | 187 | } |
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189 | 188 | m_chartTheme->decorate(bar, stackedBarSeries, m_dataset->seriesIndex(stackedBarSeries)); |
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190 | 189 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&))); |
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191 | 190 | QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal))); |
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192 | 191 | item=bar; |
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193 | 192 | break; |
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194 | 193 | } |
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195 | 194 | |
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196 | 195 | case QSeries::SeriesTypePercentBar: { |
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197 | 196 | QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series); |
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198 | 197 | PercentBarPresenter* bar = new PercentBarPresenter(percentBarSeries,m_chart); |
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199 | 198 | if(m_options.testFlag(QChart::SeriesAnimations)) { |
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200 | 199 | // m_animator->addAnimation(bar); |
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201 | 200 | } |
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202 | 201 | m_chartTheme->decorate(bar, percentBarSeries, m_dataset->seriesIndex(percentBarSeries)); |
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203 | 202 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&))); |
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204 | 203 | QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal))); |
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205 | 204 | item=bar; |
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206 | 205 | break; |
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207 | 206 | } |
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208 | 207 | |
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209 | 208 | case QSeries::SeriesTypeScatter: { |
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210 | 209 | QScatterSeries *scatterSeries = static_cast<QScatterSeries *>(series); |
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211 | 210 | ScatterChartItem *scatter = new ScatterChartItem(scatterSeries, m_chart); |
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212 | 211 | if(m_options.testFlag(QChart::SeriesAnimations)) { |
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213 | 212 | m_animator->addAnimation(scatter); |
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214 | 213 | } |
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215 | 214 | m_chartTheme->decorate(scatter, scatterSeries, m_dataset->seriesIndex(series)); |
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216 | 215 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),scatter,SLOT(handleGeometryChanged(const QRectF&))); |
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217 | 216 | QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),scatter,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal))); |
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218 | 217 | item = scatter; |
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219 | 218 | break; |
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220 | 219 | } |
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221 | 220 | |
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222 | 221 | case QSeries::SeriesTypePie: { |
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223 | 222 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
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224 | 223 | PiePresenter* pie = new PiePresenter(m_chart, pieSeries); |
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225 | 224 | if(m_options.testFlag(QChart::SeriesAnimations)) { |
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226 | 225 | // m_animator->addAnimation(pie); |
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227 | 226 | } |
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228 | 227 | m_chartTheme->decorate(pie, pieSeries, m_dataset->seriesIndex(series)); |
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229 | 228 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),pie,SLOT(handleGeometryChanged(const QRectF&))); |
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230 | 229 | QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),pie,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal))); |
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231 | 230 | // Hide all from background when there is only piechart |
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232 | 231 | // TODO: refactor this ugly code... should be one setting for this |
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233 | 232 | if (m_chartItems.count() == 0) { |
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234 | 233 | m_chart->axisX()->hide(); |
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235 | 234 | m_chart->axisY()->hide(); |
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236 | 235 | m_chart->setChartBackgroundBrush(Qt::transparent); |
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237 | 236 | } |
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238 | 237 | item=pie; |
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239 | 238 | break; |
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240 | 239 | } |
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241 | 240 | |
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242 | 241 | case QSeries::SeriesTypeSpline: { |
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243 | 242 | QSplineSeries* splineSeries = static_cast<QSplineSeries*>(series); |
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244 | 243 | SplineChartItem* spline = new SplineChartItem(splineSeries, m_chart); |
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245 | 244 | if(m_options.testFlag(QChart::SeriesAnimations)) { |
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246 | 245 | m_animator->addAnimation(spline); |
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247 | 246 | } |
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248 | 247 | m_chartTheme->decorate(spline, splineSeries, m_dataset->seriesIndex(series)); |
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249 | 248 | QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),spline,SLOT(handleGeometryChanged(const QRectF&))); |
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250 | 249 | QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),spline,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal))); |
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251 | 250 | item=spline; |
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252 | 251 | break; |
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253 | 252 | } |
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254 | 253 | default: { |
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255 | 254 | qDebug()<< "Series type" << series->type() << "not implemented."; |
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256 | 255 | break; |
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257 | 256 | } |
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258 | 257 | } |
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259 | 258 | |
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260 | 259 | //initialize |
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261 | 260 | item->handleDomainChanged(domain->minX(),domain->maxX(),domain->minY(),domain->maxY()); |
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262 | 261 | if(m_rect.isValid()) item->handleGeometryChanged(m_rect); |
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263 | 262 | m_chartItems.insert(series,item); |
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264 | 263 | zoomReset(); |
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265 | 264 | } |
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266 | 265 | |
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267 | 266 | void ChartPresenter::handleSeriesRemoved(QSeries* series) |
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268 | 267 | { |
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269 | 268 | ChartItem* item = m_chartItems.take(series); |
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270 | 269 | Q_ASSERT(item); |
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271 | 270 | if(m_animator) { |
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272 | 271 | //small hack to handle area animations |
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273 | 272 | if(series->type()==QSeries::SeriesTypeArea){ |
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274 | 273 | QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series); |
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275 | 274 | AreaChartItem* area = static_cast<AreaChartItem*>(item); |
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276 | 275 | m_animator->removeAnimation(area->upperLineItem()); |
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277 | 276 | if(areaSeries->lowerSeries()) m_animator->addAnimation(area->lowerLineItem()); |
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278 | 277 | }else |
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279 | 278 | m_animator->removeAnimation(item); |
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280 | 279 | } |
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281 | 280 | delete item; |
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282 | 281 | } |
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283 | 282 | |
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284 | 283 | void ChartPresenter::setChartTheme(QChart::ChartTheme theme) |
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285 | 284 | { |
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286 | 285 | if(m_chartTheme && m_chartTheme->id() == theme) return; |
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287 | 286 | delete m_chartTheme; |
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288 | 287 | m_chartTheme = ChartTheme::createTheme(theme); |
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289 | 288 | m_chartTheme->decorate(m_chart); |
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290 | 289 | m_chartTheme->decorate(m_chart->legend()); |
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291 | 290 | resetAllElements(); |
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292 | 291 | } |
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293 | 292 | |
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294 | 293 | QChart::ChartTheme ChartPresenter::chartTheme() |
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295 | 294 | { |
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296 | 295 | return m_chartTheme->id(); |
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297 | 296 | } |
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298 | 297 | |
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299 | 298 | void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options) |
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300 | 299 | { |
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301 | 300 | if(m_options!=options) { |
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302 | 301 | |
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303 | 302 | m_options=options; |
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304 | 303 | |
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305 | 304 | if(m_options!=QChart::NoAnimation && !m_animator) { |
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306 | 305 | m_animator= new ChartAnimator(this); |
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307 | 306 | |
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308 | 307 | } |
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309 | 308 | resetAllElements(); |
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310 | 309 | } |
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311 | 310 | |
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312 | 311 | } |
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313 | 312 | |
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314 | 313 | void ChartPresenter::resetAllElements() |
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315 | 314 | { |
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316 | 315 | QList<QChartAxis*> axisList = m_axisItems.uniqueKeys(); |
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317 | 316 | QList<QSeries*> seriesList = m_chartItems.uniqueKeys(); |
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318 | 317 | |
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319 | 318 | foreach(QChartAxis* axis, axisList) { |
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320 | 319 | handleAxisRemoved(axis); |
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321 | 320 | handleAxisAdded(axis,m_dataset->domain(axis)); |
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322 | 321 | } |
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323 | 322 | foreach(QSeries* series, seriesList) { |
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324 | 323 | handleSeriesRemoved(series); |
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325 | 324 | handleSeriesAdded(series,m_dataset->domain(series)); |
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326 | 325 | } |
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327 | 326 | } |
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328 | 327 | |
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329 | 328 | void ChartPresenter::zoomIn() |
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330 | 329 | { |
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331 | 330 | QRectF rect = geometry(); |
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332 | 331 | rect.setWidth(rect.width()/2); |
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333 | 332 | rect.setHeight(rect.height()/2); |
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334 | 333 | rect.moveCenter(geometry().center()); |
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335 | 334 | zoomIn(rect); |
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336 | 335 | } |
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337 | 336 | |
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338 | 337 | void ChartPresenter::zoomIn(const QRectF& rect) |
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339 | 338 | { |
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340 | 339 | QRectF r = rect.normalized(); |
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341 | 340 | r.translate(-m_marginSize, -m_marginSize); |
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342 | 341 | if(m_animator) { |
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343 | 342 | |
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344 | 343 | QPointF point(r.center().x()/geometry().width(),r.center().y()/geometry().height()); |
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345 | 344 | m_animator->setState(ChartAnimator::ZoomInState,point); |
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346 | 345 | } |
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347 | 346 | m_dataset->zoomInDomain(r,geometry().size()); |
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348 | 347 | m_zoomStack<<r; |
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349 | 348 | m_zoomIndex++; |
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350 | 349 | if(m_animator) { |
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351 | 350 | m_animator->setState(ChartAnimator::ShowState); |
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352 | 351 | } |
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353 | 352 | } |
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354 | 353 | |
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355 | 354 | void ChartPresenter::zoomOut() |
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356 | 355 | { |
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357 | 356 | if(m_zoomIndex==0) return; |
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358 | 357 | if(m_animator) |
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359 | 358 | { |
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360 | 359 | m_animator->setState(ChartAnimator::ZoomOutState); |
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361 | 360 | } |
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362 | 361 | m_dataset->zoomOutDomain(m_zoomStack[m_zoomIndex-1],geometry().size()); |
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363 | 362 | m_zoomIndex--; |
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364 | 363 | m_zoomStack.resize(m_zoomIndex); |
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365 | 364 | if(m_animator){ |
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366 | 365 | m_animator->setState(ChartAnimator::ShowState); |
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367 | 366 | } |
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368 | 367 | } |
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369 | 368 | |
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370 | 369 | void ChartPresenter::zoomReset() |
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371 | 370 | { |
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372 | 371 | m_zoomIndex=0; |
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373 | 372 | m_zoomStack.resize(m_zoomIndex); |
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374 | 373 | } |
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375 | 374 | |
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376 | 375 | void ChartPresenter::scroll(int dx,int dy) |
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377 | 376 | { |
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378 | 377 | if(m_animator){ |
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379 | 378 | if(dx<0) m_animator->setState(ChartAnimator::ScrollLeftState,QPointF()); |
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380 | 379 | if(dx>0) m_animator->setState(ChartAnimator::ScrollRightState,QPointF()); |
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381 | 380 | if(dy<0) m_animator->setState(ChartAnimator::ScrollUpState,QPointF()); |
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382 | 381 | if(dy>0) m_animator->setState(ChartAnimator::ScrollDownState,QPointF()); |
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383 | 382 | } |
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384 | 383 | |
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385 | 384 | m_dataset->scrollDomain(dx,dy,geometry().size()); |
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386 | 385 | |
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387 | 386 | if(m_animator){ |
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388 | 387 | m_animator->setState(ChartAnimator::ShowState); |
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389 | 388 | } |
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390 | 389 | } |
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391 | 390 | |
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392 | 391 | QChart::AnimationOptions ChartPresenter::animationOptions() const |
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393 | 392 | { |
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394 | 393 | return m_options; |
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395 | 394 | } |
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396 | 395 | |
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397 | 396 | |
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398 | 397 | #include "moc_chartpresenter_p.cpp" |
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399 | 398 | |
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400 | 399 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,326 +1,326 | |||
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1 | 1 | #include "charttheme_p.h" |
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2 | 2 | #include "qchart.h" |
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3 | 3 | #include "qlegend.h" |
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4 | 4 | #include "qchartaxis.h" |
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5 | 5 | #include <QTime> |
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6 | 6 | |
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7 | 7 | //series |
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8 | 8 | #include "qbarset.h" |
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9 | 9 | #include "qbarseries.h" |
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10 | 10 | #include "qstackedbarseries.h" |
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11 | 11 | #include "qpercentbarseries.h" |
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12 | 12 | #include "qlineseries.h" |
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13 | 13 | #include "qareaseries.h" |
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14 | 14 | #include "qscatterseries.h" |
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15 | 15 | #include "qpieseries.h" |
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16 | 16 | #include "qpieslice.h" |
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17 | 17 | #include "qsplineseries.h" |
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18 | 18 | |
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19 | 19 | //items |
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20 | 20 | #include "axisitem_p.h" |
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21 | 21 | #include "barpresenter_p.h" |
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22 | 22 | #include "stackedbarpresenter_p.h" |
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23 | 23 | #include "percentbarpresenter_p.h" |
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24 | 24 | #include "linechartitem_p.h" |
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25 | 25 | #include "areachartitem_p.h" |
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26 | 26 | #include "scatterchartitem_p.h" |
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27 | 27 | #include "piepresenter_p.h" |
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28 | 28 | #include "splinechartitem_p.h" |
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29 | 29 | |
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30 | 30 | //themes |
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31 | 31 | #include "chartthemedefault_p.h" |
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32 | 32 | #include "chartthemevanilla_p.h" |
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33 | 33 | #include "chartthemeicy_p.h" |
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34 | 34 | #include "chartthemegrayscale_p.h" |
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35 | 35 | #include "chartthemescientific_p.h" |
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36 | 36 | |
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37 | 37 | |
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38 | 38 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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39 | 39 | |
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40 | 40 | ChartTheme::ChartTheme(QChart::ChartTheme id) |
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41 | 41 | { |
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42 | 42 | m_id = id; |
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43 | 43 | qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); |
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44 | 44 | } |
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45 | 45 | |
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46 | 46 | |
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47 | 47 | ChartTheme* ChartTheme::createTheme(QChart::ChartTheme theme) |
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48 | 48 | { |
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49 | 49 | switch(theme) { |
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50 | 50 | case QChart::ChartThemeVanilla: |
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51 | 51 | return new ChartThemeVanilla(); |
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52 | 52 | case QChart::ChartThemeIcy: |
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53 | 53 | return new ChartThemeIcy(); |
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54 | 54 | case QChart::ChartThemeGrayscale: |
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55 | 55 | return new ChartThemeGrayscale(); |
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56 | 56 | case QChart::ChartThemeScientific: |
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57 | 57 | return new ChartThemeScientific(); |
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58 | 58 | default: |
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59 | 59 | return new ChartThemeDefault(); |
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60 | 60 | } |
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61 | 61 | } |
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62 | 62 | |
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63 | 63 | void ChartTheme::decorate(QChart* chart) |
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64 | 64 | { |
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65 | 65 | chart->setChartBackgroundBrush(m_backgroundGradient); |
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66 | 66 | chart->setChartTitleFont(m_masterFont); |
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67 | 67 | } |
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68 | 68 | |
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69 | 69 | void ChartTheme::decorate(QLegend* legend) |
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70 | 70 | { |
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71 | 71 | legend->setBackgroundBrush(m_backgroundGradient); |
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72 | 72 | } |
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73 | 73 | |
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74 | 74 | void ChartTheme::decorate(AreaChartItem* item, QAreaSeries* series, int index) |
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75 | 75 | { |
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76 | 76 | QPen pen; |
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77 | 77 | QBrush brush; |
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78 | 78 | |
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79 | 79 | if (pen == series->pen()){ |
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80 | 80 | pen.setColor(colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1.0)); |
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81 | 81 | pen.setWidthF(2); |
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82 | 82 | series->setPen(pen); |
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83 | 83 | } |
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84 | 84 | |
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85 | 85 | if (brush == series->brush()) { |
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86 | 86 | QBrush brush(m_seriesColors.at(index % m_seriesColors.size())); |
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87 | 87 | series->setBrush(brush); |
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88 | 88 | } |
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89 | 89 | } |
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90 | 90 | |
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91 | 91 | |
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92 | 92 | void ChartTheme::decorate(LineChartItem* item, QLineSeries* series,int index) |
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93 | 93 | { |
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94 | 94 | QPen pen; |
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95 | 95 | if(pen == series->pen()){ |
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96 | 96 | pen.setColor(m_seriesColors.at(index%m_seriesColors.size())); |
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97 | 97 | pen.setWidthF(2); |
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98 | 98 | series->setPen(pen); |
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99 | 99 | } |
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100 | 100 | } |
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101 | 101 | |
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102 | 102 | void ChartTheme::decorate(BarPresenter* item, QBarSeries* series,int index) |
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103 | 103 | { |
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104 | 104 | QList<QBarSet*> sets = series->barSets(); |
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105 | 105 | for (int i=0; i<sets.count(); i++) { |
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106 | 106 | qreal pos = 0.5; |
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107 | 107 | if (sets.count() > 1) |
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108 | 108 | pos = (qreal) i / (qreal) (sets.count() - 1); |
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109 | 109 | QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos); |
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110 | 110 | sets.at(i)->setBrush(QBrush(c)); |
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111 | 111 | |
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112 | 112 | // Pick label color as far as possible from bar color (within gradient). |
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113 | 113 | // 0.3 is magic number that was picked as value that gave enough contrast with icy theme gradient :) |
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114 | 114 | // TODO: better picking of label color? |
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115 | 115 | if (pos < 0.3) { |
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116 | 116 | c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1); |
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117 | 117 | } else { |
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118 | 118 | c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0); |
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119 | 119 | } |
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120 | 120 | sets.at(i)->setFloatingValuePen(QPen(c)); |
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121 | 121 | } |
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122 | 122 | } |
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123 | 123 | |
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124 | 124 | void ChartTheme::decorate(StackedBarPresenter* item, QStackedBarSeries* series,int index) |
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125 | 125 | { |
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126 | 126 | QList<QBarSet*> sets = series->barSets(); |
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127 | 127 | for (int i=0; i<sets.count(); i++) { |
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128 | 128 | qreal pos = 0.5; |
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129 | 129 | if (sets.count() > 1) |
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130 | 130 | pos = (qreal) i / (qreal) (sets.count() - 1); |
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131 | 131 | QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos); |
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132 | 132 | sets.at(i)->setBrush(QBrush(c)); |
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133 | 133 | |
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134 | 134 | if (pos < 0.3) { |
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135 | 135 | c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1); |
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136 | 136 | } else { |
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137 | 137 | c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0); |
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138 | 138 | } |
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139 | 139 | sets.at(i)->setFloatingValuePen(QPen(c)); |
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140 | 140 | } |
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141 | 141 | } |
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142 | 142 | |
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143 | 143 | void ChartTheme::decorate(PercentBarPresenter* item, QPercentBarSeries* series,int index) |
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144 | 144 | { |
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145 | 145 | QList<QBarSet*> sets = series->barSets(); |
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146 | 146 | for (int i=0; i<sets.count(); i++) { |
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147 | 147 | qreal pos = 0.5; |
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148 | 148 | if (sets.count() > 1) |
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149 | 149 | pos = (qreal) i / (qreal) (sets.count() - 1); |
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150 | 150 | QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos); |
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151 | 151 | sets.at(i)->setBrush(QBrush(c)); |
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152 | 152 | |
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153 | 153 | if (pos < 0.3) { |
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154 | 154 | c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1); |
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155 | 155 | } else { |
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156 | 156 | c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0); |
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157 | 157 | } |
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158 | 158 | sets.at(i)->setFloatingValuePen(QPen(c)); |
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159 | 159 | } |
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160 | 160 | } |
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161 | 161 | |
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162 | 162 | void ChartTheme::decorate(ScatterChartItem* item, QScatterSeries* series, int index) |
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163 | 163 | { |
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164 | 164 | Q_ASSERT(item); |
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165 | 165 | Q_ASSERT(series); |
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166 | 166 | |
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167 | 167 | QPen pen; |
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168 | 168 | QBrush brush; |
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169 | 169 | |
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170 | 170 | if (pen == series->pen()) { |
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171 | 171 | pen.setColor(colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1.0)); |
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172 | 172 | pen.setWidthF(2); |
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173 | 173 | series->setPen(pen); |
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174 | 174 | } |
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175 | 175 | |
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176 | 176 | if (brush == series->brush()) { |
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177 | 177 | QBrush brush(m_seriesColors.at(index % m_seriesColors.size())); |
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178 | 178 | series->setBrush(brush); |
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179 | 179 | } |
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180 | 180 | } |
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181 | 181 | |
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182 | 182 | void ChartTheme::decorate(PiePresenter* item, QPieSeries* series, int index) |
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183 | 183 | { |
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184 | 184 | // Get color for a slice from a gradient linearly, beginning from the start of the gradient |
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185 | 185 | for (int i(0); i < series->slices().count(); i++) { |
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186 | 186 | qreal pos = (qreal) i / (qreal) series->count(); |
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187 | 187 | QColor penColor = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0.1); |
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188 | 188 | series->slices().at(i)->setSlicePen(penColor); |
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189 | 189 | QColor brushColor = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos); |
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190 | 190 | series->slices().at(i)->setSliceBrush(brushColor); |
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191 | 191 | } |
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192 | 192 | } |
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193 | 193 | |
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194 | 194 | void ChartTheme::decorate(SplineChartItem* item, QSplineSeries* series, int index) |
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195 | 195 | { |
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196 | 196 | Q_ASSERT(item); |
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197 | 197 | Q_ASSERT(series); |
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198 | 198 | |
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199 | 199 | QPen pen; |
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200 | 200 | |
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201 | 201 | if(pen != series->pen()){ |
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202 | 202 | item->setLinePen(series->pen()); |
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203 | 203 | }else{ |
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204 | 204 | pen.setColor(m_seriesColors.at(index%m_seriesColors.size())); |
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205 | 205 | pen.setWidthF(series->pen().widthF()); |
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206 | 206 | item->setLinePen(series->pen()); |
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207 | 207 | } |
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208 | 208 | |
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209 | 209 | // QColor color = m_seriesColors.at(index % m_seriesColors.size()); |
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210 | 210 | // TODO: define alpha in the theme? or in the series? |
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211 | 211 | //color.setAlpha(120); |
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212 | 212 | |
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213 | 213 | // QBrush brush(color, Qt::SolidPattern); |
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214 | 214 | // presenter->m_markerBrush = brush; |
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215 | 215 | |
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216 | 216 | // QPen pen(brush, 3); |
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217 | 217 | // pen.setColor(color); |
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218 | 218 | // presenter->m_markerPen = pen; |
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219 | 219 | } |
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220 | 220 | |
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221 |
void ChartTheme::decorate(QChartAxis* axis, |
|
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221 | void ChartTheme::decorate(QChartAxis* axis, QChart* parent) | |
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222 | 222 | { |
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223 | 223 | Q_ASSERT(axis); |
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224 |
Q_ASSERT( |
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224 | Q_ASSERT(parent); | |
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225 | 225 | |
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226 | 226 | if (axis->isAxisVisible()) { |
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227 | 227 | axis->setLabelsBrush(m_axisLabelBrush); |
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228 | 228 | axis->setLabelsPen(m_axisLabelPen); |
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229 | 229 | // TODO: check the axis type (x or y) should define whether to show the shades or not |
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230 | 230 | if (m_backgroundShades == BackgroundShadesBoth |
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231 |
|| m_backgroundShades == BackgroundShadesVertical |
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232 |
|| m_backgroundShades == BackgroundShadesHorizontal |
|
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231 | || (m_backgroundShades == BackgroundShadesVertical && parent->axisX() == axis) | |
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232 | || (m_backgroundShades == BackgroundShadesHorizontal && parent->axisY() == axis)) { | |
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233 | 233 | axis->setShadesPen(m_backgroundShadesPen); |
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234 | 234 | axis->setShadesBrush(m_backgroundShadesBrush); |
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235 | 235 | } else { |
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236 | 236 | // The shades not supposed to be shown for this axis, clear possible brush and pen |
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237 | 237 | axis->setShadesPen(Qt::NoPen); |
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238 | 238 | axis->setShadesBrush(Qt::NoBrush); |
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239 | 239 | } |
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240 | 240 | axis->setAxisPen(m_axisLinePen); |
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241 | 241 | axis->setGridLinePen(m_gridLinePen); |
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242 | 242 | axis->setLabelsFont(m_masterFont); |
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243 | 243 | } |
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244 | 244 | } |
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245 | 245 | |
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246 | 246 | void ChartTheme::generateSeriesGradients() |
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247 | 247 | { |
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248 | 248 | // Generate gradients in HSV color space |
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249 | 249 | foreach (QColor color, m_seriesColors) { |
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250 | 250 | QLinearGradient g; |
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251 | 251 | qreal h = color.hsvHueF(); |
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252 | 252 | qreal s = color.hsvSaturationF(); |
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253 | 253 | |
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254 | 254 | // TODO: tune the algorithm to give nice results with most base colors defined in |
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255 | 255 | // most themes. The rest of the gradients we can define manually in theme specific |
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256 | 256 | // implementation. |
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257 | 257 | QColor start = color; |
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258 | 258 | start.setHsvF(h, 0.05, 0.95); |
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259 | 259 | g.setColorAt(0.0, start); |
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260 | 260 | |
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261 | 261 | g.setColorAt(0.5, color); |
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262 | 262 | |
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263 | 263 | QColor end = color; |
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264 | 264 | end.setHsvF(h, s, 0.25); |
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265 | 265 | g.setColorAt(1.0, end); |
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266 | 266 | |
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267 | 267 | m_seriesGradients << g; |
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268 | 268 | } |
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269 | 269 | } |
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270 | 270 | |
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271 | 271 | |
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272 | 272 | QColor ChartTheme::colorAt(const QColor &start, const QColor &end, qreal pos) |
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273 | 273 | { |
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274 | 274 | Q_ASSERT(pos >=0.0 && pos <= 1.0); |
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275 | 275 | qreal r = start.redF() + ((end.redF() - start.redF()) * pos); |
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276 | 276 | qreal g = start.greenF() + ((end.greenF() - start.greenF()) * pos); |
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277 | 277 | qreal b = start.blueF() + ((end.blueF() - start.blueF()) * pos); |
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278 | 278 | QColor c; |
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279 | 279 | c.setRgbF(r, g, b); |
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280 | 280 | return c; |
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281 | 281 | } |
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282 | 282 | |
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283 | 283 | QColor ChartTheme::colorAt(const QGradient &gradient, qreal pos) |
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284 | 284 | { |
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285 | 285 | Q_ASSERT(pos >=0 && pos <= 1.0); |
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286 | 286 | |
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287 | 287 | // another possibility: |
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288 | 288 | // http://stackoverflow.com/questions/3306786/get-intermediate-color-from-a-gradient |
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289 | 289 | |
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290 | 290 | QGradientStops stops = gradient.stops(); |
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291 | 291 | int count = stops.count(); |
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292 | 292 | |
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293 | 293 | // find previous stop relative to position |
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294 | 294 | QGradientStop prev = stops.first(); |
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295 | 295 | for (int i=0; i<count; i++) { |
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296 | 296 | QGradientStop stop = stops.at(i); |
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297 | 297 | if (pos > stop.first) |
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298 | 298 | prev = stop; |
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299 | 299 | |
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300 | 300 | // given position is actually a stop position? |
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301 | 301 | if (pos == stop.first) { |
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302 | 302 | //qDebug() << "stop color" << pos; |
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303 | 303 | return stop.second; |
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304 | 304 | } |
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305 | 305 | } |
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306 | 306 | |
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307 | 307 | // find next stop relative to position |
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308 | 308 | QGradientStop next = stops.last(); |
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309 | 309 | for (int i=count-1; i>=0; i--) { |
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310 | 310 | QGradientStop stop = stops.at(i); |
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311 | 311 | if (pos < stop.first) |
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312 | 312 | next = stop; |
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313 | 313 | } |
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314 | 314 | |
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315 | 315 | //qDebug() << "prev" << prev.first << "pos" << pos << "next" << next.first; |
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316 | 316 | |
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317 | 317 | qreal range = next.first - prev.first; |
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318 | 318 | qreal posDelta = pos - prev.first; |
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319 | 319 | qreal relativePos = posDelta / range; |
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320 | 320 | |
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321 | 321 | //qDebug() << "range" << range << "posDelta" << posDelta << "relativePos" << relativePos; |
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322 | 322 | |
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323 | 323 | return colorAt(prev.second, next.second, relativePos); |
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324 | 324 | } |
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325 | 325 | |
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326 | 326 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,81 +1,81 | |||
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1 | 1 | #ifndef CHARTTHEME_H |
|
2 | 2 | #define CHARTTHEME_H |
|
3 | 3 | |
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4 | 4 | #include "qchartglobal.h" |
|
5 | 5 | #include "qchart.h" |
|
6 | 6 | #include <QColor> |
|
7 | 7 | #include <QGradientStops> |
|
8 | 8 | |
|
9 | 9 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
10 | 10 | |
|
11 | 11 | class ChartItem; |
|
12 | 12 | class QSeries; |
|
13 | 13 | class LineChartItem; |
|
14 | 14 | class QLineSeries; |
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15 | 15 | class BarPresenter; |
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16 | 16 | class QBarSeries; |
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17 | 17 | class StackedBarPresenter; |
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18 | 18 | class QStackedBarSeries; |
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19 | 19 | class QPercentBarSeries; |
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20 | 20 | class PercentBarPresenter; |
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21 | 21 | class QScatterSeries; |
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22 | 22 | class ScatterChartItem; |
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23 | 23 | class PiePresenter; |
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24 | 24 | class QPieSeries; |
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25 | 25 | class SplineChartItem; |
|
26 | 26 | class QSplineSeries; |
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27 | 27 | class AreaChartItem; |
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28 | 28 | class QAreaSeries; |
|
29 | 29 | |
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30 | 30 | class ChartTheme |
|
31 | 31 | { |
|
32 | 32 | public: |
|
33 | 33 | enum BackgroundShadesMode { |
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34 | 34 | BackgroundShadesNone = 0, |
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35 | 35 | BackgroundShadesVertical, |
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36 | 36 | BackgroundShadesHorizontal, |
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37 | 37 | BackgroundShadesBoth |
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38 | 38 | }; |
|
39 | 39 | |
|
40 | 40 | protected: |
|
41 | 41 | explicit ChartTheme(QChart::ChartTheme id = QChart::ChartThemeDefault); |
|
42 | 42 | public: |
|
43 | 43 | static ChartTheme* createTheme(QChart::ChartTheme theme); |
|
44 | 44 | QChart::ChartTheme id() const {return m_id;} |
|
45 | 45 | void decorate(QChart* chart); |
|
46 | 46 | void decorate(QLegend* legend); |
|
47 | 47 | //void decorate(ChartItem* item, QSeries* series,int index); |
|
48 | 48 | void decorate(BarPresenter* item, QBarSeries* series, int index); |
|
49 | 49 | void decorate(StackedBarPresenter* item, QStackedBarSeries* series, int index); |
|
50 | 50 | void decorate(PercentBarPresenter* item, QPercentBarSeries* series, int index); |
|
51 | 51 | void decorate(LineChartItem* item, QLineSeries* series, int index); |
|
52 | 52 | void decorate(AreaChartItem* item, QAreaSeries* series, int index); |
|
53 | 53 | void decorate(ScatterChartItem* presenter, QScatterSeries* series, int index); |
|
54 | 54 | void decorate(PiePresenter* item, QPieSeries* series, int index); |
|
55 | 55 | void decorate(SplineChartItem* presenter, QSplineSeries* series, int index); |
|
56 |
void decorate(QChartAxis* axis, |
|
|
56 | void decorate(QChartAxis* axis, QChart* parent); | |
|
57 | 57 | |
|
58 | 58 | public: // utils |
|
59 | 59 | void generateSeriesGradients(); |
|
60 | 60 | static QColor colorAt(const QColor &start, const QColor &end, qreal pos); |
|
61 | 61 | static QColor colorAt(const QGradient &gradient, qreal pos); |
|
62 | 62 | |
|
63 | 63 | protected: |
|
64 | 64 | QChart::ChartTheme m_id; |
|
65 | 65 | QList<QColor> m_seriesColors; |
|
66 | 66 | QList<QGradient> m_seriesGradients; |
|
67 | 67 | QLinearGradient m_backgroundGradient; |
|
68 | 68 | |
|
69 | 69 | QFont m_masterFont; |
|
70 | 70 | QPen m_axisLinePen; |
|
71 | 71 | QBrush m_axisLabelBrush; |
|
72 | 72 | QPen m_axisLabelPen; |
|
73 | 73 | QPen m_backgroundShadesPen; |
|
74 | 74 | QBrush m_backgroundShadesBrush; |
|
75 | 75 | BackgroundShadesMode m_backgroundShades; |
|
76 | 76 | QPen m_gridLinePen; |
|
77 | 77 | }; |
|
78 | 78 | |
|
79 | 79 | QTCOMMERCIALCHART_END_NAMESPACE |
|
80 | 80 | |
|
81 | 81 | #endif // CHARTTHEME_H |
@@ -1,36 +1,39 | |||
|
1 | 1 | #include "charttheme_p.h" |
|
2 | 2 | |
|
3 | 3 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
4 | 4 | |
|
5 | 5 | class ChartThemeScientific: public ChartTheme |
|
6 | 6 | { |
|
7 | 7 | public: |
|
8 | 8 | ChartThemeScientific():ChartTheme(QChart::ChartThemeScientific) |
|
9 | 9 | { |
|
10 | 10 | // Series |
|
11 | 11 | m_seriesColors << QRgb(0xFFAD00); |
|
12 | 12 | m_seriesColors << QRgb(0x596A75); |
|
13 | 13 | m_seriesColors << QRgb(0x202020); |
|
14 | 14 | m_seriesColors << QRgb(0x474747); |
|
15 | 15 | generateSeriesGradients(); |
|
16 | 16 | |
|
17 | 17 | // Background |
|
18 | 18 | QLinearGradient backgroundGradient; |
|
19 | 19 | backgroundGradient.setColorAt(0.0, QRgb(0xfffefc)); |
|
20 | 20 | backgroundGradient.setColorAt(1.0, QRgb(0xfffefc)); |
|
21 | 21 | backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode); |
|
22 | 22 | m_backgroundGradient = backgroundGradient; |
|
23 | 23 | |
|
24 | 24 | // Axes and other |
|
25 | 25 | m_masterFont = QFont(); |
|
26 | 26 | m_axisLinePen = QPen(QRgb(0x0f0f0f)); |
|
27 | 27 | m_axisLinePen.setWidth(2); |
|
28 | 28 | m_axisLabelBrush = QBrush(QRgb(0x3f3f3f)); |
|
29 | 29 | m_axisLabelPen = Qt::NoPen; // NoPen for performance reasons |
|
30 | 30 | m_backgroundShadesPen = Qt::NoPen; |
|
31 | // m_backgroundShadesBrush = QBrush(QColor(0x0f, 0x0f, 0x0f, 0x80)); | |
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32 | m_backgroundShadesBrush = QBrush(QColor(0xff, 0xad, 0x00, 0x50)); | |
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33 | m_backgroundShades = BackgroundShadesHorizontal; | |
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31 | 34 | m_gridLinePen = QPen(QRgb(0x0f0f0f)); |
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32 | 35 | m_gridLinePen.setWidth(2); |
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33 | 36 | } |
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34 | 37 | }; |
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35 | 38 | |
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36 | 39 | QTCOMMERCIALCHART_END_NAMESPACE |
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