DRAWOBJ.H
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上传日期:2020-07-18
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- // drawobj.h - interface for CDrawObj and derivatives
- //
- // This is a part of the Microsoft Foundation Classes C++ library.
- // Copyright (C) 1992-1998 Microsoft Corporation
- // All rights reserved.
- //
- // This source code is only intended as a supplement to the
- // Microsoft Foundation Classes Reference and related
- // electronic documentation provided with the library.
- // See these sources for detailed information regarding the
- // Microsoft Foundation Classes product.
- #ifndef __DRAWOBJ_H__
- #define __DRAWOBJ_H__
- class CDrawView;
- class CDrawDoc;
- /////////////////////////////////////////////////////////////////////////////
- // CDrawObj - base class for all 'drawable objects'
- class CDrawView;
- class CDrawObj : public CObject
- {
- protected:
- DECLARE_SERIAL(CDrawObj);
- CDrawObj();
- // Constructors
- public:
- CDrawObj(const CRect& position);
- // Attributes
- CRect m_position;
- CDrawDoc* m_pDocument;
- virtual int GetHandleCount();
- virtual CPoint GetHandle(int nHandle);
- CRect GetHandleRect(int nHandleID, CDrawView* pView);
- virtual HCURSOR GetHandleCursor(int nHandle);
- virtual void SetLineColor(COLORREF color);
- virtual void SetFillColor(COLORREF color);
- virtual COLORREF GetLineColor();
- virtual COLORREF GetFillColor();
- virtual BOOL IsNoFill();
- virtual BOOL IsNoOutline();
- virtual BOOL SetNoFill( BOOL bSet = TRUE );
- virtual BOOL SetNoOutline( BOOL bSet = TRUE );
- // Operations
- virtual void Draw(CDC* pDC);
- enum TrackerState { normal, selected, active };
- virtual void DrawTracker(CDC* pDC, TrackerState state);
- virtual void MoveTo(const CRect& positon, CDrawView* pView = NULL);
- virtual int HitTest(CPoint point, CDrawView* pView, BOOL bSelected);
- virtual BOOL Intersects(const CRect& rect);
- virtual void MoveHandleTo(int nHandle, CPoint point, CDrawView* pView = NULL);
- virtual void OnOpen(CDrawView* pView);
- virtual void OnEditProperties();
- virtual CDrawObj* Clone(CDrawDoc* pDoc = NULL);
- virtual void Remove();
- void Invalidate();
- // Implementation
- public:
- virtual ~CDrawObj();
- virtual void Serialize(CArchive& ar);
- #ifdef _DEBUG
- void AssertValid();
- #endif
- // implementation data
- protected:
- BOOL m_bPen;
- LOGPEN m_logpen;
- BOOL m_bBrush;
- LOGBRUSH m_logbrush;
- friend class CDrawView;
- };
- // special 'list' class for this application (requires afxtempl.h)
- typedef CTypedPtrList < CObList, CDrawObj * > CDrawObjList;
- ////////////////////////////////////////////////////////////////////////
- // specialized draw objects
- class CDrawRect : public CDrawObj
- {
- protected:
- DECLARE_SERIAL(CDrawRect);
- CDrawRect();
- public:
- CDrawRect(const CRect& position);
- // Implementation
- public:
- virtual void Serialize(CArchive& ar);
- virtual void Draw(CDC* pDC);
- virtual int GetHandleCount();
- virtual CPoint GetHandle(int nHandle);
- virtual HCURSOR GetHandleCursor(int nHandle);
- virtual void MoveHandleTo(int nHandle, CPoint point, CDrawView* pView = NULL);
- virtual BOOL Intersects(const CRect& rect);
- virtual CDrawObj* Clone(CDrawDoc* pDoc);
- protected:
- enum Shape { rectangle, roundRectangle, ellipse, line };
- Shape m_nShape;
- CPoint m_roundness; // for roundRect corners
- friend class CRectTool;
- };
- /////////////////////////////////////////////////////////////////////////////
- class CDrawPoly;
- class CDrawPoly : public CDrawObj
- {
- protected:
- DECLARE_SERIAL(CDrawPoly);
- CDrawPoly();
- public:
- CDrawPoly(const CRect& position);
- // Operations
- void AddPoint(const CPoint& point, CDrawView* pView = NULL);
- BOOL RecalcBounds(CDrawView* pView = NULL);
- // Implementation
- public:
- virtual ~CDrawPoly();
- virtual void Serialize(CArchive& ar);
- virtual void Draw(CDC* pDC);
- virtual void MoveTo(const CRect& position, CDrawView* pView = NULL);
- virtual int GetHandleCount();
- virtual CPoint GetHandle(int nHandle);
- virtual HCURSOR GetHandleCursor(int nHandle);
- virtual void MoveHandleTo(int nHandle, CPoint point, CDrawView* pView = NULL);
- virtual BOOL Intersects(const CRect& rect);
- virtual CDrawObj* Clone(CDrawDoc* pDoc);
- protected:
- int m_nPoints;
- int m_nAllocPoints;
- CPoint* m_points;
- CDrawPoly* m_pDrawObj;
- friend class CPolyTool;
- };
- class CDrawItem; // COleClientItem derived class
- class CDrawOleObj : public CDrawObj
- {
- protected:
- DECLARE_SERIAL(CDrawOleObj);
- CDrawOleObj();
- public:
- CDrawOleObj(const CRect& position);
- // Implementation
- public:
- virtual void Serialize(CArchive& ar);
- virtual void Draw(CDC* pDC);
- virtual CDrawObj* Clone(CDrawDoc* pDoc);
- virtual void OnOpen(CDrawView* pView);
- virtual void MoveTo(const CRect& positon, CDrawView* pView = NULL);
- virtual void OnEditProperties();
- virtual void Remove();
- virtual ~CDrawOleObj();
- static BOOL c_bShowItems;
- CDrawItem* m_pClientItem;
- CSize m_extent; // current extent is tracked separate from scaled position
- };
- #endif // __DRAWOBJ_H__