#pragma once
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#include <list>
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#include "CHImageData.h"
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#include "CHRectTracker.h"
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namespace CHImageControls
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{
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enum DrawType { DrawOrigin=0, DrawScale, DrawFit };
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enum ObjectType { ObjectLine=1, ObjectRectangle=2, ObjectCircle=4, ObjectText=8, ObjectTextRect=16 };
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}
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class AFX_EXT_CLASS CCHDrawObject
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{
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public:
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CCHDrawObject() { Reset(); }
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CCHDrawObject(int left, int top, int right, int bottom)
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{
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Reset();
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nLeft = left;
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nTop = top;
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nRight = right;
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nBottom = bottom;
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}
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void Reset()
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{
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nLeft = 0;
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nTop = 0;
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nRight = 0;
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nBottom = 0;
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nObjectType = 1;
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nForeColor = RGB(255,0,0);
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nBackColor = NULL_BRUSH;
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nSize = 1;
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nTextWidth = 8;
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nTextHeight = 16;
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strTextString = _T("");
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}
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int GetWidth() { return (nRight-nLeft)+1; }
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int GetHeight() { return (nBottom-nTop)+1; }
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int GetCenterX() { return nLeft + (GetWidth()/2); }
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int GetCenterY() { return nLeft + (GetHeight()/2); }
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int nObjectType;
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int nLeft;
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int nTop;
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int nRight;
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int nBottom;
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DWORD nForeColor;
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DWORD nBackColor;
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int nSize;
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int nTextWidth;
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int nTextHeight;
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CString strTextString;
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};
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typedef std::list<CCHDrawObject> ListDrawObject;
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typedef std::list<CCHDrawObject>::iterator ListDrawObjectIt;
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class AFX_EXT_CLASS CCHImageView : public CWnd, public CCHImageData
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{
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DECLARE_DYNAMIC(CCHImageView)
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public:
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CCHImageView();
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CCHImageView(CWnd *pParentWnd);
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virtual ~CCHImageView();
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void Reset();
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// getter
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double GetWidthScale(void) { return m_dWidthScale; }
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double GetHeightScale(void) { return m_dHeightScale; }
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int GetScaleWidth(void);
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int GetScaleHeight(void);
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int GetHScrollPos(void);
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int GetVScrollPos(void);
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// setter
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void SetDrawObject(BOOL bDraw);
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void SetDrawType(int nDrawType);
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void SetViewName(const CString strViewName);
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void SetParentWnd(CWnd* pParentWnd);
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void SetDrawScale(double dScale);
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BOOL LoadImage(const CString& strFilename);
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void AddDrawObject(const CCHDrawObject& drawObject);
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void DeleteAllDrawObject(void);
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void DeleteAllDrawObject(int nType);
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void DeleteTailDrawObject(void);
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void DeleteDrawObject(const CRect& rtRect);
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CCHDrawObject * GetDrawObject(UINT nIndex);
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protected:
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DECLARE_MESSAGE_MAP()
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protected:
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void DrawObject(CDC *pDC, CCHDrawObject *pObject);
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void DrawObjectList(CDC *pDC);
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void DrawText(CDC *pDC, int nLeft, int nTop, int nRight, int nBottom, double dScaleX, double dScaleY, CCHDrawObject *pObject);
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int PointInDrawObject(CPoint point, CRect& rtResult);
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void UpdateImageView(CDC *pDC);
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CWnd *m_pParentWnd;
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CString m_strViewName;
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// pre draw info
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CRect m_rtClientRect;
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int m_nScaleWidth;
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int m_nScaleHeight;
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// Scroll Pos
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int m_nVScroll;
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int m_nHScroll;
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// Max Scroll Pos
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int m_nMaxVScroll;
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int m_nMaxHScroll;
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// image draw
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double m_dWidthScale;
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double m_dHeightScale;
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int m_nDrawType;
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BOOL m_bDrawObject;
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ListDrawObject m_ListDrawObject;
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public:
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afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
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afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
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afx_msg void OnPaint();
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afx_msg void OnDestroy();
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afx_msg void OnMouseMove(UINT nFlags, CPoint point);
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afx_msg BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint pt);
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afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
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afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
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afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
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afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
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afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
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afx_msg void OnRButtonDblClk(UINT nFlags, CPoint point);
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afx_msg BOOL OnEraseBkgnd(CDC* pDC);
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// afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
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};
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