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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
#ifndef GEODESICPATHS_H
#define GEODESICPATHS_H
#include "Wm5WindowApplication2.h"
using namespace Wm5;
class GeodesicPaths : public WindowApplication2
{
WM5_DECLARE_INITIALIZE;
WM5_DECLARE_TERMINATE;
public:
GeodesicPaths ();
virtual ~GeodesicPaths ();
virtual bool OnInitialize ();
virtual void OnTerminate ();
virtual void OnDisplay ();
virtual void ScreenOverlay ();
virtual bool OnKeyDown (unsigned char key, int x, int y);
protected:
void ComputeTruePath ();
void ComputeApprPath (bool subdivide);
void ComputeApprLength ();
void ParamToXY (const GVectorf& param, int& x, int& y);
void XYToParam (int x, int y, GVectorf& param);
static void RefineCallback ();
EllipsoidGeodesicf mGeodesic;
GVectorf mParam0, mParam1;
float mXMin, mXMax, mXDelta;
float mYMin, mYMax, mYDelta;
int mNumTruePoints;
GVectorf* mTruePoints;
float mTrueDistance;
int mNumApprPoints;
int mCurrNumApprPoints;
GVectorf* mApprPoints;
float mApprDistance;
float mApprCurvature;
int mSize;
Float4 mTextColor;
};
WM5_REGISTER_INITIALIZE(GeodesicPaths);
WM5_REGISTER_TERMINATE(GeodesicPaths);
#endif
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