kev/Drawer/Module/GeoSigmaDraw/CurveEditorBase.h

#pragma once

#include <memory>

#include "HandleDrawer.h"
#include "itemcurve.h"

namespace NItem {
#define DRAG_NODE_DEFAULT 0 // ֱ<><D6B1><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>ǰ<EFBFBD>ڵ<EFBFBD>
#define DRAG_NODE_LINE 1    // <20><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6>ڵ<EFBFBD>
#define DRAG_NODE_COS 2     // <20><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6>ڵ<EFBFBD>
#define DRAG_NODE_SPLINE 3  // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6>ڵ<EFBFBD>

#define DRAG_LINE_COLOR RGB(0, 153, 255)
// #define TRACKER_SOLID 1
// #define TRACKER_RECT 2
// #define TRACKER_CIRCLE 4
// #define TRACKER_NO_EDIT TRACKER_SOLID | TRACKER_CIRCLE

class CurveEditorBase : public CItemCurve {
public:
  CurveEditorBase(CSigmaDoc *pDoc);
  virtual ~CurveEditorBase(void);

  void OnDraw(CXyDC *pDC) override final;
  void OnLButtonDblClk(UINT nFlags, CPoint point) override final;
  void OnLButtonDown(CDC *pDC, UINT nFlags, CPoint point,
                     int vk) override final;
  int OnMouseMove(CDC *pDC, UINT nFlags, CPoint point) override final;
  void OnLButtonUp(CDC *pDC, UINT nFlags, CPoint point, int vk) override final;
  BOOL OnSetCursor(CWnd *pWnd, UINT nHitTest, UINT message) override final;
  BOOL OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) override final;
  BOOL OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) override final;
  int GetSubMenu() override final;
  void SetPos(POSITION pos) override final;
  void Clear(void);

  void Draw(CDC *pDC);
  void DrawAssistant(CDC *pDC, int mouseX, int mouseY) override;
  int GetNumberOfNode();
  void EreaseHandles(CDC *pDC);

  void EndEdit(void);
  void CancelAll(void);
  BOOL IsCanCancelAll(void);

  // <20><><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD>
  int HitTestHandle(CPoint point);
  void DeleteHandle(int nIndex);
  int AddHandle(CPoint point);
  BOOL IsCanAddHandle(CPoint point, double *pl0 = nullptr);

  // <20>麯<EFBFBD><E9BAAF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD>дΪ<D0B4><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  virtual CCurveEx *GetControlCurve(void);
  void GetXY(CCurveEx *pValue, int nIndex, dfPoint &point);

  void AttachProcess(CPointList &oldPoints, CPointList &newPoints);
  void DrawMoveLine(void);
  void GetMarkCurve(void);
  CPoint2D GetCDown() const;
  CPoint2D GetCLast() const;

protected:
  // Ĭ<>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
  // <20><><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӱ<EFBFBD><D3B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  virtual void OnDrawDragPreview() = 0;

  virtual void OnCalculateDragEffect(CPointList *pList) = 0;

  // <20><>SetPos<6F><73><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD>ڼ<EFBFBD><DABC><EFBFBD>m_pMarkCurve
  virtual void OnModeInitialize() {}

  // <20><>OnMouseMove<76>е<EFBFBD><D0B5><EFBFBD>
  virtual void OnDragMove(int nIndex, CPoint2D pt) {}

  // <20><>ȡ<EFBFBD><C8A1>ǰƫ<C7B0><C6AB>ģʽ<C4A3><CABD>Linear/Cosineģʽʹ<CABD>ã<EFBFBD>
  int GetOffsetMode(void);

  // <20>麯<EFBFBD><E9BAAF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD>д
  virtual int AddHandle(double l0);

  // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>
  int AddHandle(CCurveEx *pValue, dfPoint add);

  // <20><><EFBFBD><EFBFBD>λ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>꣩
  CPoint2D c_down, c_last;

  // <20>϶<EFBFBD><CFB6><EFBFBD>־
  bool m_bLButtonDownWhenMouseMove;

  // <20><><EFBFBD><EFBFBD>ԭʼ<D4AD><CABC><EFBFBD>ߣ<EFBFBD><DFA3><EFBFBD><EFBFBD>ڳ<EFBFBD><DAB3><EFBFBD><EFBFBD><EFBFBD>
  std::unique_ptr<COne> m_pBakOne;

  // <20><><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  std::unique_ptr<HandleDrawer> m_handleDrawer;

  // <20><><EFBFBD>갴<EFBFBD>µ㣨<C2B5><E3A3A8>Ļ<EFBFBD><C4BB><EFBFBD>꣩
  CPoint m_nLButtonDownPoint;

  // <20>µ<EFBFBD><C2B5>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԥ<EFBFBD><D4A4><EFBFBD><EFBFBD>
  CPointList NewPointList;

  // <20><>ʱ<EFBFBD><CAB1><EFBFBD>б<EFBFBD>
  CPointList PointList;

  // <20><><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD>ģʽ
  DWORD m_nHandleDrawMode;

  int m_nModeX;
  int m_nModeY; // <20><><EFBFBD><EFBFBD>ģʽ

private:
  void DrawHandle(CXyDC *pDC, CCurveEx *pCurve);
  void DrawHandlesByCDC(CDC *pDC, CCurveEx *pCurve);
  void DrawSelectHandle(int nHandle);
  CRect GetRangeWidthIndex(int nIndex);
  CRect GetFirstNodeHandleRectFocus(CPoint point);
  void SetDrawMode(int nModeX, int nModeY);
  int HitTestHandle(CCurveEx *pValue, CPoint point);

  bool IsDragging(int nFlags) const;
  int HandleMouseDrag(CXyDC *pDC, CPoint point);
  int HandleMouseHover(CDC *dc, CPoint point);
};

}; // namespace NItem