A Single Page Printing Framework

// riched.h : header file
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1997 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 __RULER_H__
#define __RULER_H__

class CTextbmpView;
class CTextbmpDoc;
class CRulerBar;

  
/////////////////////////////////////////////////////////////////////////////
// CRulerBar

class CRulerBar : public CControlBar
{
// Construction
public:
	CRulerBar(BOOL b3DExt = TRUE);
	~CRulerBar();

// Operations
public:
	virtual BOOL Create(CWnd* pParentWnd, DWORD dwStyle, UINT nID);
protected:
	void CRulerBar::Update(CSize PaperSizePixel, const CRect& MarginsRect, CSize PaperSizeLog);

// Attributes
public:
	BOOL m_bDeferInProgress;
	BOOL m_bDraw3DExt;
 	CFont fnt;
	CSize GetBaseUnits();
  	CSize m_sizePaper;
	CRect m_rectMargin;
	int PrintWidth() {return m_sizePaper.cx - m_rectMargin.left - 
		m_rectMargin.right;}
	int m_nTabs;
	int m_logx;
	int m_nLinePos;
	int m_nScroll; // in pixels

	int m_Mapmode;
	CSize m_PaperSizePixel;
	CSize m_PaperSizeLog;
	CRect m_MarginRectPixel;


	CPen penFocusLine;
	CPen penBtnHighLight;
	CPen penBtnShadow;
	CPen penWindowFrame;
	CPen penBtnText;
	CPen penBtnFace;
	CPen penWindowText;
	CPen penWindow;
	CBrush brushWindow;
	CBrush brushBtnFace;

// Implementation
public:
	virtual void DoPaint(CDC* pDC);
	virtual CSize CalcFixedLayout(BOOL bStretch, BOOL bHorz);
	void ClientToRuler(CPoint& pt) {pt.Offset(-m_cxLeftBorder+m_nScroll, -m_cyTopBorder);}
	void ClientToRuler(CRect& rect) {rect.OffsetRect(-m_cxLeftBorder+m_nScroll, -m_cyTopBorder);}
	void RulerToClient(CPoint& pt) {pt.Offset(m_cxLeftBorder-m_nScroll, m_cyTopBorder);}
	void RulerToClient(CRect& rect) {rect.OffsetRect(m_cxLeftBorder-m_nScroll, m_cyTopBorder);}

	int XLogToClient(int nT) {return MulDiv(nT, m_PaperSizePixel.cx, m_PaperSizeLog.cx) + m_cxLeftBorder - m_nScroll;}
	int XClientToLog(int nC) {return MulDiv(nC - m_cxLeftBorder + m_nScroll, m_PaperSizeLog.cx, m_PaperSizePixel.cx);}

	int XLogToRuler(int nT) {return MulDiv(nT, m_PaperSizePixel.cx, m_PaperSizeLog.cx);}
	int XRulerToLog(int nR) {return MulDiv(nR, m_PaperSizeLog.cx, m_PaperSizePixel.cx);}
 

	int XRulerToClient(int nR) {return nR + m_cxLeftBorder - m_nScroll;}
	int XClientToRuler(int nC) {return nC - m_cxLeftBorder + m_nScroll;}

protected:
	virtual void OnUpdateCmdUI(CFrameWnd* pTarget, BOOL bDisableIfNoHndler);
	void CreateGDIObjects();
	void DrawFace(CDC& dc);
	void DrawTickMarks(CDC& dC);
	void DrawNumbers(CDC& dc, int nInc, int nTPU);
	void DrawDiv(CDC& dc, int nInc, int nLargeDiv, int nLength);
	CView* GetView()
    {
		ASSERT(GetParent() != NULL);
		return ((CFrameWnd*)GetParent())->GetActiveView();
	}
	CDocument* GetDocument() { return GetView()->GetDocument(); }

 

	// Generated message map functions
	//{{AFX_MSG(CRulerBar)
 	afx_msg void OnSysColorChange();
	afx_msg void OnWindowPosChanging(WINDOWPOS FAR* lpwndpos);
	afx_msg void OnShowWindow(BOOL bShow, UINT nStatus);
	afx_msg void OnWindowPosChanged(WINDOWPOS FAR* lpwndpos);
	//}}AFX_MSG
	//afx_msg LRESULT OnSizeParent(WPARAM wParam, LPARAM lParam);
	DECLARE_MESSAGE_MAP()
	
	friend class CRulerItem;
};

 
#endif