qwt_spline_parametrization.cpp
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00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 #include "qwt_spline_parametrization.h"
00011 
00017 QwtSplineParametrization::QwtSplineParametrization( int type ):
00018     d_type( type )
00019 {
00020 }
00021 
00023 QwtSplineParametrization::~QwtSplineParametrization()
00024 {
00025 }
00026  
00035 double QwtSplineParametrization::valueIncrement(
00036     const QPointF &point1, const QPointF &point2 ) const
00037 {
00038     switch( d_type )
00039     {
00040         case QwtSplineParametrization::ParameterX:
00041         {
00042             return valueIncrementX( point1, point2 );
00043         }
00044         case QwtSplineParametrization::ParameterY:
00045         {
00046             return valueIncrementY( point1, point2 );
00047         }
00048         case QwtSplineParametrization::ParameterCentripetal:
00049         {
00050             return valueIncrementCentripetal( point1, point2 );
00051         }
00052         case QwtSplineParametrization::ParameterChordal:
00053         {
00054             return valueIncrementChordal( point1, point2 );
00055         }
00056         case QwtSplineParametrization::ParameterManhattan:
00057         {
00058             return valueIncrementManhattan( point1, point2 );
00059         }
00060         case QwtSplineParametrization::ParameterUniform:
00061         {
00062             return valueIncrementUniform( point1, point2 );
00063         }
00064         default:
00065         {
00066             return 1;
00067         }
00068     }
00069 }
00070 
00072 int QwtSplineParametrization::type() const
00073 {
00074     return d_type;
00075 }


plotjuggler
Author(s): Davide Faconti
autogenerated on Fri Sep 1 2017 02:41:56