@@ -189,9 +189,10 QChart* ThemeWidget::createAreaChart() const | |||
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189 | 189 | QLineSeries *upperSeries = new QLineSeries(chart); |
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190 | 190 | for (int j(0); j < m_dataTable[i].count(); j++) { |
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191 | 191 | Data data = m_dataTable[i].at(j); |
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192 | if (lowerSeries) | |
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193 | upperSeries->append(QPointF(j, lowerSeries->y(i) + data.first.y())); | |
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194 | else | |
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192 | if (lowerSeries){ | |
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193 | const QList<QPointF>& points = lowerSeries->points(); | |
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194 | upperSeries->append(QPointF(j, points[i].y() + data.first.y())); | |
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195 | }else | |
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195 | 196 | upperSeries->append(QPointF(j, data.first.y())); |
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196 | 197 | } |
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197 | 198 | QAreaSeries *area = new QAreaSeries(upperSeries, lowerSeries); |
@@ -57,9 +57,10 Chart::~Chart() | |||
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57 | 57 | void Chart::handleTimeout() |
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58 | 58 | { |
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59 | 59 | m_x += m_step; |
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60 | qreal y = m_y; | |
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60 | 61 | m_y = qrand() % 5 - 2.5; |
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61 | 62 | m_series->append(m_x, m_y); |
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62 | 63 | if (m_x >= 10) |
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63 | m_series->remove(m_x - 10); | |
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64 | m_series->remove(m_x - 10,y); | |
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64 | 65 | scrollRight(); |
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65 | 66 | } |
@@ -231,20 +231,25 void QAreaSeriesPrivate::scaleDomain(Domain& domain) | |||
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231 | 231 | QLineSeries* upperSeries = q->upperSeries(); |
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232 | 232 | QLineSeries* lowerSeries = q->lowerSeries(); |
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233 | 233 | |
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234 |
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234 | const QList<QPointF>& points = upperSeries->points(); | |
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235 | ||
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236 | for (int i = 0; i < points.count(); i++) | |
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235 | 237 | { |
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236 |
qreal x = |
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237 |
qreal y = |
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238 | qreal x = points[i].x(); | |
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239 | qreal y = points[i].y(); | |
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238 | 240 | minX = qMin(minX, x); |
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239 | 241 | minY = qMin(minY, y); |
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240 | 242 | maxX = qMax(maxX, x); |
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241 | 243 | maxY = qMax(maxY, y); |
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242 | 244 | } |
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243 | 245 | if(lowerSeries) { |
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244 | for (int i = 0; i < lowerSeries->count(); i++) | |
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246 | ||
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247 | const QList<QPointF>& points = upperSeries->points(); | |
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248 | ||
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249 | for (int i = 0; i < points.count(); i++) | |
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245 | 250 | { |
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246 |
qreal x = |
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247 |
qreal y = |
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251 | qreal x = points[i].x(); | |
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252 | qreal y = points[i].y(); | |
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248 | 253 | minX = qMin(minX, x); |
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249 | 254 | minY = qMin(minY, y); |
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250 | 255 | maxX = qMax(maxX, x); |
@@ -98,7 +98,7 void ScatterChartItem::deletePoints(int count) | |||
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98 | 98 | |
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99 | 99 | void ScatterChartItem::markerSelected(Marker *marker) |
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100 | 100 | { |
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101 |
emit XYChartItem::clicked( |
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101 | emit XYChartItem::clicked(marker->point()); | |
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102 | 102 | } |
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103 | 103 | |
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104 | 104 | void ScatterChartItem::setLayout(QVector<QPointF>& points) |
@@ -126,7 +126,7 void ScatterChartItem::setLayout(QVector<QPointF>& points) | |||
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126 | 126 | Marker* item = static_cast<Marker*>(items.at(i)); |
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127 | 127 | const QPointF& point = points.at(i); |
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128 | 128 | const QRectF& rect = item->boundingRect(); |
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129 |
item->set |
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129 | item->setPoint(point); | |
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130 | 130 | item->setPos(point.x()-rect.width()/2,point.y()-rect.height()/2); |
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131 | 131 | if(!clipRect().contains(point)) { |
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132 | 132 | item->setVisible(false); |
@@ -72,7 +72,7 class Marker: public QAbstractGraphicsShapeItem | |||
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72 | 72 | |
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73 | 73 | public: |
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74 | 74 | |
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75 |
Marker(QAbstractGraphicsShapeItem *item , ScatterChartItem *parent) : QAbstractGraphicsShapeItem(0) ,m_item(item), m_parent(parent) |
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75 | Marker(QAbstractGraphicsShapeItem *item , ScatterChartItem *parent) : QAbstractGraphicsShapeItem(0) ,m_item(item), m_parent(parent) | |
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76 | 76 | { |
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77 | 77 | } |
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78 | 78 | |
@@ -81,14 +81,14 public: | |||
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81 | 81 | delete m_item; |
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82 | 82 | } |
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83 | 83 | |
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84 | void setIndex(int index) | |
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84 | void setPoint(const QPointF& point) | |
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85 | 85 | { |
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86 |
m_ |
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86 | m_point=point; | |
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87 | 87 | } |
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88 | 88 | |
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89 |
int |
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89 | QPointF point() const | |
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90 | 90 | { |
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91 |
return m_ |
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91 | return m_point; | |
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92 | 92 | } |
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93 | 93 | |
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94 | 94 | QPainterPath shape() const |
@@ -132,7 +132,7 protected: | |||
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132 | 132 | private: |
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133 | 133 | QAbstractGraphicsShapeItem* m_item; |
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134 | 134 | ScatterChartItem* m_parent; |
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135 |
int m_ |
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135 | QPointF m_point; | |
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136 | 136 | }; |
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137 | 137 | |
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138 | 138 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -105,15 +105,15 QSplineSeriesPrivate::QSplineSeriesPrivate(QSplineSeries* q):QLineSeriesPrivate( | |||
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105 | 105 | void QSplineSeriesPrivate::calculateControlPoints() |
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106 | 106 | { |
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107 | 107 | |
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108 | Q_Q(QSplineSeries); | |
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109 | ||
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110 | int n = q->count() - 1; | |
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108 | int n = m_points.count() - 1; | |
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111 | 109 | |
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112 | 110 | if (n == 1) |
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113 | 111 | { |
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114 | 112 | //for n==1 |
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115 | m_controlPoints.append(QPointF((2 * q->x(0) + q->x(1)) / 3, (2 * q->y(0) + q->y(1)) / 3)); | |
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116 | m_controlPoints.append(QPointF(2 * m_controlPoints[0].x() - q->x(0), 2 * m_controlPoints[0].y() - q->y(0))); | |
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113 | m_controlPoints[0].setX((2 * m_points[0].x() + m_points[1].x()) / 3); | |
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114 | m_controlPoints[0].setY((2 * m_points[0].y() + m_points[1].y()) / 3); | |
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115 | m_controlPoints[1].setX(2 * m_controlPoints[0].x() - m_points[0].x()); | |
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116 | m_controlPoints[1].setY(2 * m_controlPoints[0].y() - m_points[0].y()); | |
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117 | 117 | return; |
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118 | 118 | } |
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119 | 119 | |
@@ -130,53 +130,68 void QSplineSeriesPrivate::calculateControlPoints() | |||
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130 | 130 | // | 0 0 0 0 0 0 0 0 ... 1 4 1 | | P1_(n-1)| | 4 * P(n-2) + 2 * P(n-1) | |
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131 | 131 | // | 0 0 0 0 0 0 0 0 ... 0 2 7 | | P1_n | | 8 * P(n-1) + Pn | |
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132 | 132 | // |
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133 |
Q |
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133 | QVector<qreal> vector; | |
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134 | vector.resize(n); | |
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135 | ||
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136 | vector[0] = m_points[0].x() + 2 * m_points[1].x(); | |
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134 | 137 | |
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135 | points.append(q->x(0) + 2 * q->x(1)); | |
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136 | 138 | |
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139 | for (int i = 1; i < n - 1; ++i){ | |
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140 | vector[i] = 4 * m_points[i].x() + 2 * m_points[i + 1].x(); | |
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141 | } | |
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137 | 142 | |
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138 | for (int i = 1; i < n - 1; ++i) | |
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139 | points.append(4 * q->x(i) + 2 * q->x(i + 1)); | |
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143 | vector[n - 1] = (8 * m_points[n-1].x() + m_points[n].x()) / 2.0; | |
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140 | 144 | |
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141 | points.append((8 * q->x(n - 1) + q->x(n)) / 2.0); | |
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145 | QVector<qreal> xControl = firstControlPoints(vector); | |
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142 | 146 | |
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143 | QList<qreal> xControl = firstControlPoints(points); | |
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144 | points[0] = q->y(0) + 2 * q->y(1); | |
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147 | vector[0] = m_points[0].y() + 2 * m_points[1].y(); | |
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145 | 148 | |
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146 | 149 | for (int i = 1; i < n - 1; ++i) { |
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147 |
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150 | vector[i] = 4 * m_points[i].y() + 2 * m_points[i + 1].y(); | |
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148 | 151 | } |
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149 | 152 | |
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150 |
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153 | vector[n - 1] = (8 * m_points[n-1].y() + m_points[n].y()) / 2.0; | |
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154 | ||
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155 | QVector<qreal> yControl = firstControlPoints(vector); | |
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151 | 156 | |
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152 | QList<qreal> yControl = firstControlPoints(points); | |
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157 | for (int i = 0,j =0; i < n; ++i, ++j) { | |
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153 | 158 | |
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154 | for (int i = 0; i < n; ++i) { | |
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159 | m_controlPoints[j].setX(xControl[i]); | |
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160 | m_controlPoints[j].setY(yControl[i]); | |
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155 | 161 | |
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156 | m_controlPoints.append(QPointF(xControl[i], yControl[i])); | |
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162 | j++; | |
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157 | 163 | |
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158 | if (i < n - 1) | |
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159 |
m_controlPoints. |
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160 | else | |
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161 | m_controlPoints.append(QPointF((q->x(n) + xControl[n - 1]) / 2, (q->y(n) + yControl[n - 1]) / 2)); | |
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164 | if (i < n - 1){ | |
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165 | m_controlPoints[j].setX(2 * m_points[i+1].x() - xControl[i + 1]); | |
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166 | m_controlPoints[j].setY(2 * m_points[i+1].y() - yControl[i + 1]); | |
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167 | }else{ | |
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168 | m_controlPoints[j].setX((m_points[n].x() + xControl[n - 1]) / 2); | |
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169 | m_controlPoints[j].setY((m_points[n].y() + yControl[n - 1]) / 2); | |
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170 | } | |
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162 | 171 | } |
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163 | 172 | } |
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164 | 173 | |
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165 |
Q |
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174 | QVector<qreal> QSplineSeriesPrivate::firstControlPoints(const QVector<qreal>& vector) | |
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166 | 175 | { |
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167 |
Q |
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168 | QList<qreal> temp; | |
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176 | QVector<qreal> result; | |
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177 | ||
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178 | int count = vector.count(); | |
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179 | result.resize(count); | |
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180 | result[0] = vector[0] / 2.0; | |
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181 | ||
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182 | QVector<qreal> temp; | |
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183 | temp.resize(count); | |
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184 | temp[0] = 0; | |
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169 | 185 | |
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170 | 186 | qreal b = 2.0; |
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171 | result.append(list[0] / b); | |
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172 | temp.append(0); | |
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173 | for (int i = 1; i < list.size(); i++) { | |
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174 | temp.append(1 / b); | |
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175 | b = (i < list.size() - 1 ? 4.0 : 3.5) - temp[i]; | |
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176 | result.append((list[i] - result[i - 1]) / b); | |
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187 | ||
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188 | for (int i = 1; i < count; i++) { | |
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189 | temp[i] = 1 / b; | |
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190 | b = (i < count - 1 ? 4.0 : 3.5) - temp[i]; | |
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191 | result[i]=(vector[i] - result[i - 1]) / b; | |
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177 | 192 | } |
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178 |
for (int i = 1; i < |
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179 |
result[ |
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193 | for (int i = 1; i < count; i++) | |
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194 | result[count - i - 1] -= temp[count - i] * result[count - i]; | |
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180 | 195 | |
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181 | 196 | return result; |
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182 | 197 | } |
@@ -186,9 +201,8 QList<qreal> QSplineSeriesPrivate::firstControlPoints(QList<qreal> list) | |||
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186 | 201 | */ |
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187 | 202 | void QSplineSeriesPrivate::updateControlPoints() |
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188 | 203 | { |
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189 | Q_Q(QSplineSeries); | |
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190 | if (q->count() > 1) { | |
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191 | m_controlPoints.clear(); | |
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204 | if (m_points.count() > 1) { | |
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205 | m_controlPoints.resize(2*m_points.count()-2); | |
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192 | 206 | calculateControlPoints(); |
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193 | 207 | } |
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194 | 208 | } |
@@ -41,13 +41,16 class QSplineSeriesPrivate: public QLineSeriesPrivate | |||
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41 | 41 | public: |
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42 | 42 | Chart* createGraphics(ChartPresenter* presenter); |
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43 | 43 | QSplineSeriesPrivate(QSplineSeries* q); |
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44 | void calculateControlPoints(); | |
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45 | QList<qreal> firstControlPoints(QList<qreal> rhs); | |
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46 | 44 | |
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47 | 45 | public Q_SLOTS: |
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48 | 46 | void updateControlPoints(); |
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47 | ||
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48 | private: | |
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49 | void calculateControlPoints(); | |
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50 | QVector<qreal> firstControlPoints(const QVector<qreal>& vector); | |
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51 | ||
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49 | 52 | public: |
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50 |
Q |
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53 | QVector<QPointF> m_controlPoints; | |
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51 | 54 | private: |
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52 | 55 | Q_DECLARE_PUBLIC(QSplineSeries) |
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53 | 56 | }; |
@@ -98,11 +98,7 QXYSeries::~QXYSeries() | |||
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98 | 98 | */ |
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99 | 99 | void QXYSeries::append(qreal x,qreal y) |
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100 | 100 | { |
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101 | Q_D(QXYSeries); | |
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102 | Q_ASSERT(d->m_x.size() == d->m_y.size()); | |
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103 | d->m_x<<x; | |
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104 | d->m_y<<y; | |
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105 | emit d->pointAdded(d->m_x.size()-1); | |
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101 | append(QPointF(x,y)); | |
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106 | 102 | } |
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107 | 103 | |
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108 | 104 | /*! |
@@ -111,55 +107,35 void QXYSeries::append(qreal x,qreal y) | |||
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111 | 107 | */ |
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112 | 108 | void QXYSeries::append(const QPointF &point) |
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113 | 109 | { |
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114 | append(point.x(),point.y()); | |
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110 | Q_D(QXYSeries); | |
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111 | d->m_points<<point; | |
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112 | emit d->pointAdded(d->m_points.count()-1); | |
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115 | 113 | } |
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116 | 114 | |
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117 | 115 | /*! |
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118 | 116 | This is an overloaded function. |
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119 | 117 | Adds list of data \a points to the series. Points are connected with lines on the chart. |
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120 | 118 | */ |
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121 | void QXYSeries::append(const QList<QPointF> points) | |
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119 | void QXYSeries::append(const QList<QPointF> &points) | |
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122 | 120 | { |
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123 | 121 | foreach(const QPointF& point , points) { |
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124 |
append(point |
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122 | append(point); | |
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125 | 123 | } |
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126 | 124 | } |
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127 | 125 | |
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128 | /*! | |
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129 | Modifies \a y value for given \a x a value. | |
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130 | */ | |
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131 | void QXYSeries::replace(qreal x,qreal y) | |
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132 | { | |
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133 | Q_D(QXYSeries); | |
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134 | int index = d->m_x.indexOf(x); | |
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135 | d->m_x[index] = x; | |
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136 | d->m_y[index] = y; | |
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137 | emit d->pointReplaced(index); | |
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138 | } | |
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139 | 126 | |
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140 | /*! | |
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141 | This is an overloaded function. | |
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142 | Replaces current y value of for given \a point x value with \a point y value. | |
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143 | */ | |
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144 | void QXYSeries::replace(const QPointF &point) | |
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127 | void QXYSeries::replace(qreal oldX,qreal oldY,qreal newX,qreal newY) | |
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145 | 128 | { |
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146 |
replace( |
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129 | replace(QPointF(oldX,oldY),QPointF(newX,newY)); | |
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147 | 130 | } |
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148 | 131 | |
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149 | /*! | |
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150 | Removes first \a x value and related y value. | |
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151 | */ | |
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152 | void QXYSeries::remove(qreal x) | |
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132 | void QXYSeries::replace(const QPointF &oldPoint,const QPointF &newPoint) | |
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153 | 133 | { |
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154 | 134 | Q_D(QXYSeries); |
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155 |
int index = d->m_ |
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156 | ||
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157 | if (index == -1) return; | |
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158 | ||
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159 | d->m_x.remove(index); | |
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160 | d->m_y.remove(index); | |
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161 | ||
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162 | emit d->pointRemoved(index); | |
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135 | int index = d->m_points.indexOf(oldPoint); | |
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136 | if(index==1) return; | |
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137 | d->m_points[index] = newPoint; | |
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138 | emit d->pointReplaced(index); | |
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163 | 139 | } |
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164 | 140 | |
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165 | 141 | /*! |
@@ -167,17 +143,7 void QXYSeries::remove(qreal x) | |||
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167 | 143 | */ |
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168 | 144 | void QXYSeries::remove(qreal x,qreal y) |
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169 | 145 | { |
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170 | Q_D(QXYSeries); | |
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171 | int index =-1; | |
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172 | do { | |
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173 | index = d->m_x.indexOf(x,index+1); | |
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174 | } while (index !=-1 && d->m_y.at(index)!=y); | |
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175 | ||
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176 | if (index==-1) return; | |
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177 | ||
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178 | d->m_x.remove(index); | |
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179 | d->m_y.remove(index); | |
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180 | emit d->pointRemoved(index); | |
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146 | remove(QPointF(x,y)); | |
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181 | 147 | } |
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182 | 148 | |
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183 | 149 | /*! |
@@ -185,7 +151,11 void QXYSeries::remove(qreal x,qreal y) | |||
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185 | 151 | */ |
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186 | 152 | void QXYSeries::remove(const QPointF &point) |
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187 | 153 | { |
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188 | remove(point.x(),point.y()); | |
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154 | Q_D(QXYSeries); | |
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155 | int index = d->m_points.indexOf(point); | |
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156 | if(index==1) return; | |
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157 | d->m_points.remove(index); | |
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158 | emit d->pointRemoved(index); | |
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189 | 159 | } |
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190 | 160 | |
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191 | 161 | /*! |
@@ -194,45 +164,41 void QXYSeries::remove(const QPointF &point) | |||
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194 | 164 | void QXYSeries::removeAll() |
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195 | 165 | { |
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196 | 166 | Q_D(QXYSeries); |
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197 | d->m_x.clear(); | |
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198 | d->m_y.clear(); | |
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167 | foreach(const QPointF& point, d->m_points) { | |
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168 | remove(point); | |
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169 | } | |
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199 | 170 | } |
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200 | 171 | |
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201 | 172 | /*! |
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202 | 173 | \internal \a pos |
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203 | 174 | */ |
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204 |
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175 | QList<QPointF> QXYSeries::points() const | |
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205 | 176 | { |
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206 | 177 | Q_D(const QXYSeries); |
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207 | 178 | if (d->m_model) { |
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208 | if (d->m_mapOrientation == Qt::Vertical) | |
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179 | QList<QPointF> result; | |
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180 | if (d->m_mapOrientation == Qt::Vertical){ | |
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209 | 181 | // consecutive data is read from model's column |
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210 | return d->m_model->data(d->m_model->index(pos + d->m_mapFirst, d->m_mapX), Qt::DisplayRole).toDouble(); | |
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211 | else | |
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212 | // consecutive data is read from model's row | |
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213 |
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214 | } else { | |
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215 | // model is not specified, return the data from series' internal data store | |
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216 | return d->m_x.at(pos); | |
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182 | ||
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183 | for(int i = d->m_mapFirst; i< d->m_mapFirst + count(); ++i) { | |
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184 | qreal x = d->m_model->data(d->m_model->index(i, d->m_mapX), Qt::DisplayRole).toReal(); | |
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185 | qreal y = d->m_model->data(d->m_model->index(i, d->m_mapY), Qt::DisplayRole).toReal(); | |
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186 | result << QPointF(x,y); | |
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217 | 187 | } |
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188 | return result; | |
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218 | 189 | } |
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219 | ||
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220 | /*! | |
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221 | \internal \a pos | |
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222 | */ | |
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223 | qreal QXYSeries::y(int pos) const | |
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224 | { | |
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225 | Q_D(const QXYSeries); | |
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226 | if (d->m_model) { | |
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227 | if (d->m_mapOrientation == Qt::Vertical) | |
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228 | // consecutive data is read from model's column | |
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229 | return d->m_model->data(d->m_model->index(pos + d->m_mapFirst, d->m_mapY), Qt::DisplayRole).toDouble(); | |
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230 | else | |
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190 | else{ | |
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231 | 191 | // consecutive data is read from model's row |
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232 | return d->m_model->data(d->m_model->index(d->m_mapY, pos + d->m_mapFirst), Qt::DisplayRole).toDouble(); | |
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192 | for(int i = d->m_mapFirst; i< d->m_mapFirst + count(); ++i) { | |
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193 | qreal x = d->m_model->data(d->m_model->index(d->m_mapX, i), Qt::DisplayRole).toReal(); | |
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194 | qreal y = d->m_model->data(d->m_model->index(d->m_mapY, i), Qt::DisplayRole).toReal(); | |
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195 | result << QPointF(x,y); | |
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196 | } | |
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197 | return result; | |
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198 | } | |
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233 | 199 | } else { |
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234 | 200 | // model is not specified, return the data from series' internal data store |
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235 |
return d->m_ |
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201 | return d->m_points.toList(); | |
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236 | 202 | } |
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237 | 203 | } |
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238 | 204 | |
@@ -243,8 +209,6 int QXYSeries::count() const | |||
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243 | 209 | { |
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244 | 210 | Q_D(const QXYSeries); |
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245 | 211 | |
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246 | Q_ASSERT(d->m_x.size() == d->m_y.size()); | |
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247 | ||
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248 | 212 | if (d->m_model) { |
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249 | 213 | if (d->m_mapOrientation == Qt::Vertical) { |
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250 | 214 | // data is in a column. Return the number of mapped items if the model's column have enough items |
@@ -264,19 +228,7 int QXYSeries::count() const | |||
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264 | 228 | } |
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265 | 229 | |
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266 | 230 | // model is not specified, return the number of points in the series internal data store |
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267 |
return d->m_ |
|
|
268 | } | |
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269 | ||
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270 | /*! | |
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271 | Returns the data points of the series. | |
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272 | */ | |
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273 | QList<QPointF> QXYSeries::data() | |
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274 | { | |
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275 | Q_D(QXYSeries); | |
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276 | QList<QPointF> data; | |
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277 | for (int i(0); i < d->m_x.count() && i < d->m_y.count(); i++) | |
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278 | data.append(QPointF(d->m_x.at(i), d->m_y.at(i))); | |
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279 | return data; | |
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231 | return d->m_points.count(); | |
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280 | 232 | } |
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281 | 233 | |
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282 | 234 | |
@@ -359,7 +311,7 QXYSeries& QXYSeries::operator<< (const QPointF &point) | |||
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359 | 311 | \sa append() |
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360 | 312 | */ |
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361 | 313 | |
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362 | QXYSeries& QXYSeries::operator<< (const QList<QPointF> points) | |
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314 | QXYSeries& QXYSeries::operator<< (const QList<QPointF>& points) | |
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363 | 315 | { |
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364 | 316 | append(points); |
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365 | 317 | return *this; |
@@ -443,11 +395,11 void QXYSeriesPrivate::scaleDomain(Domain& domain) | |||
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443 | 395 | int tickXCount(domain.tickXCount()); |
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444 | 396 | int tickYCount(domain.tickYCount()); |
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445 | 397 | |
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446 | Q_Q(QXYSeries); | |
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447 | for (int i = 0; i < q->count(); i++) | |
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398 | for (int i = 0; i < m_points.count(); i++) | |
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448 | 399 | { |
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449 | qreal x = q->x(i); | |
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450 |
qreal |
|
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400 | ||
|
401 | qreal x = m_points[i].x(); | |
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402 | qreal y = m_points[i].y(); | |
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451 | 403 | minX = qMin(minX, x); |
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452 | 404 | minY = qMin(minY, y); |
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453 | 405 | maxX = qMax(maxX, x); |
@@ -42,21 +42,18 protected: | |||
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42 | 42 | public: |
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43 | 43 | void append(qreal x, qreal y); |
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44 | 44 | void append(const QPointF &point); |
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45 | void append(const QList<QPointF> points); | |
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46 |
void replace(qreal |
|
|
47 |
void replace(const QPointF & |
|
|
48 | void remove(qreal x); | |
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45 | void append(const QList<QPointF> &points); | |
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46 | void replace(qreal oldX,qreal oldY,qreal newX,qreal newY); | |
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47 | void replace(const QPointF &oldPoint,const QPointF &newPoint); | |
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49 | 48 | void remove(qreal x, qreal y); |
|
50 | 49 | void remove(const QPointF &point); |
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51 | 50 | void removeAll(); |
|
52 | 51 | |
|
53 | 52 | int count() const; |
|
54 |
|
|
|
55 | qreal y(int pos) const; | |
|
56 | QList<QPointF> data(); | |
|
53 | QList<QPointF> points() const; | |
|
57 | 54 | |
|
58 | 55 | QXYSeries& operator << (const QPointF &point); |
|
59 | QXYSeries& operator << (const QList<QPointF> points); | |
|
56 | QXYSeries& operator << (const QList<QPointF> &points); | |
|
60 | 57 | |
|
61 | 58 | void setPen(const QPen &pen); |
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62 | 59 | QPen pen() const; |
@@ -62,8 +62,7 Q_SIGNALS: | |||
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62 | 62 | |
|
63 | 63 | |
|
64 | 64 | protected: |
|
65 |
QVector< |
|
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66 | QVector<qreal> m_y; | |
|
65 | QVector<QPointF> m_points; | |
|
67 | 66 | |
|
68 | 67 | QPen m_pen; |
|
69 | 68 | QBrush m_brush; |
@@ -61,8 +61,9 QPointF XYChartItem::calculateGeometryPoint(int index) const | |||
|
61 | 61 | { |
|
62 | 62 | const qreal deltaX = m_size.width()/(m_maxX-m_minX); |
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63 | 63 | const qreal deltaY = m_size.height()/(m_maxY-m_minY); |
|
64 | qreal x = (m_series->x(index) - m_minX)* deltaX; | |
|
65 |
qreal |
|
|
64 | const QList<QPointF>& vector = m_series->points(); | |
|
65 | qreal x = (vector[index].x() - m_minX)* deltaX; | |
|
66 | qreal y = (vector[index].y() - m_minY)*-deltaY + m_size.height(); | |
|
66 | 67 | return QPointF(x,y); |
|
67 | 68 | } |
|
68 | 69 | |
@@ -71,14 +72,16 QVector<QPointF> XYChartItem::calculateGeometryPoints() const | |||
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71 | 72 | const qreal deltaX = m_size.width()/(m_maxX-m_minX); |
|
72 | 73 | const qreal deltaY = m_size.height()/(m_maxY-m_minY); |
|
73 | 74 | |
|
74 |
QVector<QPointF> |
|
|
75 |
|
|
|
75 | QVector<QPointF> result; | |
|
76 | result.resize(m_series->count()); | |
|
77 | const QList<QPointF>& vector = m_series->points(); | |
|
76 | 78 | for (int i = 0; i < m_series->count(); ++i) { |
|
77 |
qreal x = ( |
|
|
78 |
qreal y = ( |
|
|
79 | points << QPointF(x,y); | |
|
79 | qreal x = (vector[i].x() - m_minX)* deltaX; | |
|
80 | qreal y = (vector[i].y() - m_minY)*-deltaY + m_size.height(); | |
|
81 | result[i].setX(x); | |
|
82 | result[i].setY(y); | |
|
80 | 83 | } |
|
81 |
return |
|
|
84 | return result; | |
|
82 | 85 | } |
|
83 | 86 | |
|
84 | 87 | QPointF XYChartItem::calculateDomainPoint(const QPointF &point) const |
@@ -3,7 +3,7 | |||
|
3 | 3 | } |
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4 | 4 | |
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5 | 5 | TEMPLATE = subdirs |
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6 | SUBDIRS += qchartview qchart | |
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6 | SUBDIRS += qchartview qchart qlineseries | |
|
7 | 7 | |
|
8 | 8 | test_private:{ |
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9 | 9 | SUBDIRS += chartdataset domain |
@@ -58,10 +58,10 void WaveChart::update() | |||
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58 | 58 | { |
|
59 | 59 | |
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60 | 60 | int fluctuate; |
|
61 | ||
|
61 | const QList<QPointF>& points = m_series->points(); | |
|
62 | 62 | for (qreal i = 0, x = 0; x <= 2 * PI; x += m_step, i++) { |
|
63 | 63 | fluctuate = qrand() % 100; |
|
64 |
m_series->replace(x, |
|
|
64 | m_series->replace(x,points[i].y(),x,fabs(sin(x) * fluctuate)); | |
|
65 | 65 | |
|
66 | 66 | } |
|
67 | 67 |
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