45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#ifndef __T_CURVE_H__
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#define __T_CURVE_H__
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#include "imgtools.h"
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#define MAX_ANCHOR_POINTS 4 // endpoints the user selects (buttondown).
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class CCurveTool : public CRubberTool
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{
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DECLARE_DYNAMIC(CCurveTool)
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protected:
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POINT m_PolyPoints[MAX_ANCHOR_POINTS];
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CRect m_cRectBounding;
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int m_iNumAnchorPoints;
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void AdjustBoundingRect(void);
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void AddPoint(POINT ptNewPoint);
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void SetCurrentPoint(POINT ptNewPoint);
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BOOL DrawCurve(CDC* pDC);
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virtual void AdjustPointsForConstraint(MTI *pmti);
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virtual void PreProcessPoints(MTI *pmti);
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public:
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CCurveTool();
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~CCurveTool();
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virtual void Render(CDC* pDC, CRect& rect, BOOL bDraw, BOOL bCommit, BOOL bCtrlDown);
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virtual void OnStartDrag(CImgWnd* pImgWnd, MTI* pmti );
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virtual void OnEndDrag(CImgWnd* pImgWnd, MTI* pmti );
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virtual void OnDrag(CImgWnd* pImgWnd, MTI* pmti );
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virtual void OnCancel(CImgWnd* pImgWnd);
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virtual void EndMultiptOperation(BOOL bAbort = FALSE);
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virtual void OnActivate( BOOL bActivate );
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BOOL CanEndMultiptOperation(MTI* pmti );
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};
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#endif // __T_CURVE_H__
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