EvView.h

[詳解]

//  $Revision: 1.1 $
/*
    @file   EvView.h
    @brief  CEvView class header
    @author FAST Corporation
*/

#ifndef _EVVIEW_H_INCLUDED_
#define _EVVIEW_H_INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

// ///////////////////////////////////////////////////////////////////////////
// INCLUDE
#include "EvDlgCtrl.h"

// -- FVCL
#include "Data/FvImage.h"
#include "GDI/FvDisplay.h"

// -- EVC
#include "EvDrawGrid.h"
#include "EvDrawAscope.h"
#include "EvDrawRectArea.h"

// ///////////////////////////////////////////////////////////////////////////
// CLASS 
#pragma pack(push,_FVCL_PACKING)

class EVC_API CEvView : public CEvDlgCtrl
{
public:
    CEvView( CWnd* parent=NULL, UINT dlgid=IDD );
    virtual ~CEvView();

public:
    //{{AFX_DATA(CEvView)
    enum { IDD = IDD_EVC_VIEW };
    //}}AFX_DATA

    //{{AFX_VIRTUAL(CEvView)
    public:
    virtual BOOL Create( UINT ctrlID, const RECT& rect, CWnd* parent=NULL, UINT dlgid=IDD );
    virtual BOOL Create( LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext = NULL);
    virtual BOOL OnCmdMsg(UINT nID, INT nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo);
    virtual BOOL PreTranslateMessage(MSG* pMsg);
    protected:
    virtual void DoDataExchange(CDataExchange* pDX);
    //}}AFX_VIRTUAL

protected:
    //{{AFX_MSG(CEvView)
    afx_msg INT OnCreate(LPCREATESTRUCT lpCreateStruct);
    afx_msg BOOL OnEraseBkgnd(CDC* pDC);
    afx_msg void OnPaint();
    afx_msg void OnSize(UINT nType, INT cx, INT cy);
    afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
    afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
    afx_msg BOOL OnMouseWheel(UINT nFlags, SHORT zDelta, CPoint pt);
    afx_msg LRESULT OnNcHitTest( CPoint point );
    afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
    afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
    afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
    afx_msg void OnMouseMove(UINT nFlags, CPoint point);
    afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
    afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
    //}}AFX_MSG

public:
    // DEFINE/TYPEDEF
    struct tagSCROLLBAR
    {
        SCROLLINFO      siH;
        SCROLLINFO      siV;
        bool            blVisible;
        bool            blImmediate;
    };

    struct tagMOUSE_INFO
    {
        UINT            nFlags;
        CPoint          pntMouse;
        CPoint          pntScrollBar;
        CPoint          pntDisplay;
        CPoint          pntEffective;
        CPoint          pntImage;
    };

    // METHOD
    virtual bool Update( bool bReDraw = true );
    virtual void ReDraw( bool Invalidate = true );

    virtual void DoActual( bool bReDraw = true );
    virtual void DoExpand( bool bReDraw = true );
    virtual void DoReduce( bool bReDraw = true );

    virtual bool SetMagnification( DOUBLE mag );
    virtual DOUBLE GetMagnification() const;
    virtual bool FitImageSize( bool bFitWidth=true, bool bFitHeight=true );

    bool IsFitImageHorz() const;
    bool IsFitImageVert() const;

    bool SetScrollBarVisible( bool blVisible );
    bool GetScrollBarVisible() const;

    bool SetScrollBarImmediate( bool blEnable );
    bool GetScrollBarImmediate() const;

    bool SetScrollBarPage( INT iBar, INT iSize, BOOL blReDraw = TRUE );
    INT GetScrollBarPage( INT iBar );

    bool SetScrollBarPos( INT iBar, INT iPos, BOOL blReDraw = TRUE );
    INT GetScrollBarPos( INT iBar );

    bool SetScrollBarRange( INT iBar, INT iMin, INT iMax, BOOL blReDraw = TRUE );
    bool GetScrollBarRange( INT iBar, INT *piMin, INT *piMax );

    CSize GetImageSize() const;

    CPoint GetMousePosition( INT coordinate ) const;

    virtual bool SetImage( FVCL::Data::CFvImage* image );
    virtual FVCL::Data::CFvImage* GetImage() const;

    virtual bool SetFocusOption( INT option );
    virtual INT GetFocusOption() const;

    virtual bool SetGripOption( INT option );
    virtual INT GetGripOption() const;

    virtual bool SetCursorType( INT iType );
    virtual INT GetCursorType() const;

    virtual bool SetLayerVisible( INT iLayer, bool visible );
    virtual bool GetLayerVisible( INT iLayer ) const;

    CEvDrawGrid& GetDrawGrid();
    const CEvDrawGrid& GetDrawGrid() const;

    CEvDrawAscope& GetDrawAscope();
    const CEvDrawAscope& GetDrawAscope() const;

    CEvDrawRectArea& GetDrawProcArea();
    const CEvDrawRectArea& GetDrawProcArea() const;

    // OBJECT
    FVCL::GDI::CFvDisplay                   m_display;

protected:
    // FUNCTION
    virtual void _OnDrawOverlay();
    virtual bool _OnChangeCursor( UINT nFlags, CPoint point );

    bool _UpdateMouseInfo( UINT nFlags, CPoint point );
    void _InitScrollBar();
    void _UpdateScrollBar();

    // EVENT HANDLER
    virtual void OnCommandPre( CEvDialog* dlg, WPARAM wParam, LPARAM lParam );
    virtual void OnCommandPost( CEvDialog* dlg, WPARAM wParam, LPARAM lParam );
    virtual void OnWndMsgPre( CEvDialog* dlg, UINT message, WPARAM wParam, LPARAM lParam );
    virtual void OnWndMsgPost( CEvDialog* dlg, UINT message, WPARAM wParam, LPARAM lParam );

    // OBJECT
    CEvDrawGrid                         m_DrawGrid;
    CEvDrawAscope                       m_DrawAscope;
    CEvDrawRectArea                     m_DrawProcArea;
    FVCL::Data::CFvImage*                       m_pImage;
    INT                                 m_FocusOption;
    INT                                 m_GripOption;
    INT                                 m_iCursorType;
    FVCL::CFvList<bool>                 m_LayerVisible;
    INT                                 m_iLayerSize;
    bool                                m_bIsDialog;
    tagSCROLLBAR                        m_tSCROLLBAR;
    tagMOUSE_INFO                       m_tMouseInfo;
    CSize                               m_sizeImage;

    DECLARE_MESSAGE_MAP()
};

#pragma pack(pop)

//{{AFX_INSERT_LOCATION}}

#endif // _EVVIEW_H_INCLUDED_