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https://github.com/GoldenCheetah/GoldenCheetah.git
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2f9130cd76
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.
36 lines
715 B
C++
36 lines
715 B
C++
#ifndef _CIRCULAR_BUFFER_H_
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#define _CIRCULAR_BUFFER_H_
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#include <qwt_series_data.h>
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#include <qvector.h>
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class CircularBuffer: public QwtSeriesData<QPointF>
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{
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public:
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CircularBuffer(double interval = 10.0, size_t numPoints = 1000);
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void fill(double interval, size_t numPoints);
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void setReferenceTime(double);
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double referenceTime() const;
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virtual size_t size() const;
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virtual QPointF sample(size_t i) const;
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virtual QRectF boundingRect() const;
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void setFunction(double(*y)(double));
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private:
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double (*d_y)(double);
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double d_referenceTime;
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double d_interval;
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QVector<double> d_values;
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double d_step;
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int d_startIndex;
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double d_offset;
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};
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#endif
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