Qwt User's Guide: qwt_weeding_curve_fitter.h Source File

Qwt User's Guide 6.2.0

qwt_weeding_curve_fitter.h
1 /******************************************************************************
2 * Qwt Widget Library
3 * Copyright (C) 1997 Josef Wilgen
4 * Copyright (C) 2002 Uwe Rathmann
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the Qwt License, Version 1.0
8 *****************************************************************************/
9
10 #ifndef QWT_WEEDING_CURVE_FITTER_H
11 #define QWT_WEEDING_CURVE_FITTER_H
12
13 #include "qwt_curve_fitter.h"
14
38 class QWT_EXPORT QwtWeedingCurveFitter : public QwtCurveFitter
39 {
40 public:
41 explicit QwtWeedingCurveFitter( double tolerance = 1.0 );
42 virtual ~QwtWeedingCurveFitter();
43
44 void setTolerance( double );
45 double tolerance() const;
46
47 void setChunkSize( uint );
48 uint chunkSize() const;
49
50 virtual QPolygonF fitCurve( const QPolygonF& ) const QWT_OVERRIDE;
51 virtual QPainterPath fitCurvePath( const QPolygonF& ) const QWT_OVERRIDE;
52
53 private:
54 virtual QPolygonF simplify( const QPolygonF& ) const;
55
56 class Line;
57
58 class PrivateData;
59 PrivateData* m_data;
60 };
61
62 #endif
QwtCurveFitter
Abstract base class for a curve fitter.
Definition: qwt_curve_fitter.h:22
QwtCurveFitter::fitCurvePath
virtual QPainterPath fitCurvePath(const QPolygonF &polygon) const =0
QwtCurveFitter::fitCurve
virtual QPolygonF fitCurve(const QPolygonF &polygon) const =0
QwtWeedingCurveFitter
A curve fitter implementing Douglas and Peucker algorithm.
Definition: qwt_weeding_curve_fitter.h:39