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Added overriden boundingRect method in RiuQwtSymbol to include label.

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This commit is contained in:
Gaute Lindkvist
2018-10-09 14:05:45 +02:00
parent e61e71ecbf
commit 751bcc5f28
2 changed files with 48 additions and 16 deletions
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56
ApplicationCode/UserInterface/RiuQwtSymbol.cpp
View File

@@ -128,20 +128,10 @@ void RiuQwtSymbol::renderSymbols(QPainter *painter, const QPointF *points, int n
//-------------------------------------------------------------------------------------------------- //--------------------------------------------------------------------------------------------------
void RiuQwtSymbol::renderSymbolLabel(QPainter *painter, const QPointF& position) const void RiuQwtSymbol::renderSymbolLabel(QPainter *painter, const QPointF& position) const
{ {
int symbolWidth = this->size().width(); QSize symbolSize = QwtSymbol::size();
int labelWidth = painter->fontMetrics().width(m_label); QRect symbolRect (position.x(), position.y(), symbolSize.width(), symbolSize.height());
if (m_labelPosition == LabelAboveSymbol) QRect labelRect = labelBoundingRect(symbolRect);
{ painter->drawText(labelRect.topLeft(), m_label);
painter->drawText(position.x() - labelWidth / 2, position.y() - 5, m_label);
}
else if (m_labelPosition == LabelLeftOfSymbol)
{
painter->drawText(position.x() - labelWidth - symbolWidth, position.y(), m_label);
}
else if (m_labelPosition == LabelRightOfSymbol)
{
painter->drawText(position.x() + symbolWidth + 3, position.y(), m_label);
}
} }
//-------------------------------------------------------------------------------------------------- //--------------------------------------------------------------------------------------------------
@@ -151,3 +141,41 @@ void RiuQwtSymbol::setLabelPosition(LabelPosition labelPosition)
{ {
m_labelPosition = labelPosition; m_labelPosition = labelPosition;
} }
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QRect RiuQwtSymbol::boundingRect() const
{
QRect symbolRect = QwtSymbol::boundingRect();
QRect labelRect = labelBoundingRect(symbolRect);
return symbolRect.united(labelRect);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QRect RiuQwtSymbol::labelBoundingRect(const QRect& symbolRect) const
{
QPoint symbolPosition = symbolRect.topLeft();
int symbolWidth = symbolRect.width();
int labelWidth = QPainter().fontMetrics().width(m_label);
int labelHeight = QPainter().fontMetrics().height();
QPoint labelPosition;
if (m_labelPosition == LabelAboveSymbol)
{
labelPosition = QPoint(symbolPosition.x() - labelWidth / 2, symbolPosition.y() - 5);
}
else if (m_labelPosition == LabelLeftOfSymbol)
{
labelPosition = QPoint(symbolPosition.x() - labelWidth - symbolWidth, symbolPosition.y());
}
else if (m_labelPosition == LabelRightOfSymbol)
{
labelPosition = QPoint(symbolPosition.x() + symbolWidth + 3, symbolPosition.y());
}
return QRect(labelPosition.x(), labelPosition.y(), labelWidth, labelHeight);
}

8
ApplicationCode/UserInterface/RiuQwtSymbol.h
View File

@@ -59,8 +59,12 @@ public:
void renderSymbolLabel(QPainter *painter, const QPointF& position) const; void renderSymbolLabel(QPainter *painter, const QPointF& position) const;
QString label() const { return m_label; } QString label() const { return m_label; }
void setLabelPosition(LabelPosition labelPosition); void setLabelPosition(LabelPosition labelPosition);
virtual QRect boundingRect() const override;
private:
QRect labelBoundingRect(const QRect& symbolRect) const;
private: private:
QString m_label; QString m_label;
LabelPosition m_labelPosition; LabelPosition m_labelPosition;