| @@ -60,6 +60,7 void LineChartItem::updateGeometry() | |||||
| 60 | if (m_points.size() == 0) { |
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60 | if (m_points.size() == 0) { | |
| 61 | prepareGeometryChange(); |
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61 | prepareGeometryChange(); | |
| 62 | m_path = QPainterPath(); |
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62 | m_path = QPainterPath(); | |
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63 | m_linePath = QPainterPath(); | |||
| 63 | m_rect = QRect(); |
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64 | m_rect = QRect(); | |
| 64 | return; |
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65 | return; | |
| 65 | } |
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66 | } | |
| @@ -70,6 +71,7 void LineChartItem::updateGeometry() | |||||
| 70 |
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71 | |||
| 71 | int size = m_linePen.width(); |
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72 | int size = m_linePen.width(); | |
| 72 | linePath.addEllipse(m_points.at(0), size, size); |
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73 | linePath.addEllipse(m_points.at(0), size, size); | |
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74 | linePath.moveTo(m_points.at(0)); | |||
| 73 | for (int i = 1; i < m_points.size(); i++) { |
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75 | for (int i = 1; i < m_points.size(); i++) { | |
| 74 | linePath.lineTo(m_points.at(i)); |
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76 | linePath.lineTo(m_points.at(i)); | |
| 75 | linePath.addEllipse(m_points.at(i), size, size); |
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77 | linePath.addEllipse(m_points.at(i), size, size); | |
| @@ -100,10 +102,17 void LineChartItem::updateGeometry() | |||||
| 100 |
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102 | |||
| 101 | void LineChartItem::handleUpdated() |
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103 | void LineChartItem::handleUpdated() | |
| 102 | { |
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104 | { | |
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105 | // If points visiblity has changed, a geometry update is needed. | |||
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106 | // Also, if pen changes when points are visible, geometry update is needed. | |||
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107 | bool doGeometryUpdate = | |||
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108 | (m_pointsVisible != m_series->pointsVisible()) | |||
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109 | || (m_series->pointsVisible() && (m_linePen != m_series->pen())); | |||
| 103 | setVisible(m_series->isVisible()); |
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110 | setVisible(m_series->isVisible()); | |
| 104 | setOpacity(m_series->opacity()); |
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111 | setOpacity(m_series->opacity()); | |
| 105 | m_pointsVisible = m_series->pointsVisible(); |
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112 | m_pointsVisible = m_series->pointsVisible(); | |
| 106 | m_linePen = m_series->pen(); |
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113 | m_linePen = m_series->pen(); | |
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114 | if (doGeometryUpdate) | |||
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115 | updateGeometry(); | |||
| 107 | update(); |
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116 | update(); | |
| 108 | } |
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117 | } | |
| 109 |
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118 | |||
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