#pragma once
#include "CurveEditorBase.h"

namespace NItem
{

/*
 * ???????????????????¦¶??????????
 * 
 * ???????
 *   1. ???????????¦¶??????????????????????????
 *   2. ????????????????????????
 *   3. ?????????????????Default?????
 */
class CurveEditorCosine : public CurveEditorBase
{
public:
	CurveEditorCosine(CSigmaDoc* pDoc) 
		: CurveEditorBase(pDoc) {}
	virtual ~CurveEditorCosine(void) {}

protected:
	// ??????????????????????????
	void OnDrawDragPreview() override;
	
	// ???????????????????¦¶???????????????
	void OnCalculateDragEffect(CPointList* pList) override;

private:
	// ???????????????
	double GetPointOffset(double offset);  // ??????????
	void GetDragPoint(CPoint2D& dp, CPointList& NewPointList, int& begin, int& end);
};

};