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https://github.com/GoldenCheetah/GoldenCheetah.git
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c44758c5ad
Upgrade to QWT 6.0.1, but still uses a locally patched copy since support for 8 axes has not been included, despite it being a relatively simple patch. Fixes #634. Fixes #567.
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
#include <qpainter.h>
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#include <qwt_scale_map.h>
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#include <qwt_plot_curve.h>
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#include "cpuplot.h"
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#include "cpupiemarker.h"
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CpuPieMarker::CpuPieMarker()
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{
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setZ(1000);
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setRenderHint(QwtPlotItem::RenderAntialiased, true);
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}
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int CpuPieMarker::rtti() const
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{
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return QwtPlotItem::Rtti_PlotUserItem;
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}
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void CpuPieMarker::draw(QPainter *p,
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const QwtScaleMap &, const QwtScaleMap &,
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const QRectF &rect) const
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{
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const CpuPlot *cpuPlot = (CpuPlot *)plot();
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const QwtScaleMap yMap = cpuPlot->canvasMap(QwtPlot::yLeft);
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const int margin = 5;
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QRect pieRect;
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pieRect.setX(rect.x() + margin);
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pieRect.setY(rect.y() + margin);
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pieRect.setHeight( qRound(yMap.transform(80.0)) );
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pieRect.setWidth( pieRect.height() );
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const int dataType[] = { CpuPlot::User, CpuPlot::System, CpuPlot::Idle };
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int angle = (int)(5760 * 0.75);
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for ( unsigned int i = 0;
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i < sizeof(dataType) / sizeof(dataType[0]); i++ )
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{
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const QwtPlotCurve *curve = cpuPlot->cpuCurve(dataType[i]);
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if ( curve->dataSize() > 0 )
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{
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const int value = (int)(5760 * curve->sample(0).y() / 100.0);
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p->save();
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p->setBrush(QBrush(curve->pen().color(), Qt::SolidPattern));
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if ( value != 0 )
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p->drawPie(pieRect, -angle, -value);
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p->restore();
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angle += value;
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}
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}
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}
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