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30 lines
671 B
C++
30 lines
671 B
C++
#include <QLocale>
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#include "tooltip.h"
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#include "heartrategraphitem.h"
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HeartRateGraphItem::HeartRateGraphItem(const Graph &graph, GraphType type,
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QGraphicsItem *parent) : GraphItem(graph, type, parent)
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{
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qreal sum = 0;
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for (int j = 1; j < graph.size(); j++)
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sum += graph.at(j).y() * (graph.at(j).s() - graph.at(j-1).s());
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_avg = sum/graph.last().s();
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setToolTip(toolTip());
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}
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QString HeartRateGraphItem::toolTip() const
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{
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ToolTip tt;
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QLocale l(QLocale::system());
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tt.insert(tr("Maximum"), l.toString(max(), 'f', 0)
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+ UNIT_SPACE + tr("bpm"));
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tt.insert(tr("Average"), l.toString(avg(), 'f', 0)
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+ UNIT_SPACE + tr("bpm"));
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return tt.toString();
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}
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