| @@ -81,11 +81,15 void LineChartItem::updateGeometry() | |||||
| 81 | } |
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81 | } | |
| 82 | } |
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82 | } | |
| 83 |
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83 | |||
| 84 | m_linePath=linePath; |
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84 | m_linePath = linePath; | |
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85 | ||||
| 85 | QPainterPathStroker stroker; |
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86 | QPainterPathStroker stroker; | |
| 86 | stroker.setWidth(m_linePen.width()*1.42); |
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87 | // QPainter::drawLine does not respect join styles, for example BevelJoin becomes MiterJoin. | |
| 87 | stroker.setJoinStyle(m_linePen.joinStyle()); |
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88 | // This is why we are prepared for the "worst case" scenario, i.e. use always MiterJoin and | |
| 88 | stroker.setCapStyle(m_linePen.capStyle()); |
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89 | // multiply line width with square root of two when defining shape and bounding rectangle. | |
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90 | stroker.setWidth(m_linePen.width() * 1.42); | |||
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91 | stroker.setJoinStyle(Qt::MiterJoin); | |||
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92 | stroker.setCapStyle(Qt::SquareCap); | |||
| 89 | stroker.setMiterLimit(m_linePen.miterLimit()); |
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93 | stroker.setMiterLimit(m_linePen.miterLimit()); | |
| 90 |
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94 | |||
| 91 | prepareGeometryChange(); |
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95 | prepareGeometryChange(); | |
| @@ -109,6 +113,7 void LineChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *opt | |||||
| 109 | Q_UNUSED(widget) |
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113 | Q_UNUSED(widget) | |
| 110 | Q_UNUSED(option) |
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114 | Q_UNUSED(option) | |
| 111 |
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115 | |||
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116 | ||||
| 112 | painter->setPen(m_linePen); |
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117 | painter->setPen(m_linePen); | |
| 113 |
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118 | |||
| 114 | painter->setBrush(m_linePen.color()); |
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119 | painter->setBrush(m_linePen.color()); | |
| @@ -119,7 +124,7 void LineChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *opt | |||||
| 119 | } |
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124 | } | |
| 120 | else { |
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125 | else { | |
| 121 | for (int i(1); i < m_points.size();i++) |
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126 | for (int i(1); i < m_points.size();i++) | |
| 122 | painter->drawLine(m_points.at(i-1), m_points.at(i)); |
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127 | painter->drawLine(m_points.at(i-1), m_points.at(i)); | |
| 123 | } |
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128 | } | |
| 124 | } |
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129 | } | |
| 125 |
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130 | |||
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