//////////////////////////////////////////////////////////////////////////////
//文件: CItem类扩展
//主要功能: 
//		操作各类元素或完成一定的功能
//
//程序编写:		2006-12-07
//
//
/////////////////////////////////////////////////////////////////////////////

#pragma once
#include "itemBase.h"
#include "atltypes.h"

namespace NDrawView
{

class CItemPrint : public CItemBase
{
public:
	CItemPrint(CSigmaDoc * ppDoc);
	virtual ~CItemPrint(void);

	void OnDraw(CXyDC* pDC) override;

	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);

	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnPrint(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void AfterEndPrinting(CDC* pDC, CPrintInfo* pInfo);

	virtual void OnFilePrintPreviewUIUpdate(CCmdUI* pCmdUI);
	virtual void OnFilePrintPreview(void);
	virtual void OnEndPrintPreview(CDC* pDC, CPrintInfo* pInfo, POINT point, CPreviewView* pView);
	virtual void OnPrepareDC(CDC* pDC, CPrintInfo* pInfo);

	void	OnDrawSetDC(CXyDC* pDC);	//设置分页打印时的浏览范围
	CRect	GetViewRect(CRect oldViewRect);
	BOOL	GetRulerBarState(void);
	void	SetRulerBarState(BOOL bView);

	void	ClearPreviewDC(void);

	void	EnablePrinting(BOOL bEnable);

public:
	CRect	GetPrintArea(CDC* pDC);
	CSize	GetPartitionNum(CDC* pDC);
	void	MarginRect(CRect& rt);
	void	PrintPageNumber(CDC *pDC);
	void	DrawPageFrame(CDC* pDC, CRect rect);
	CRect	GetMarginRect(double sc=1.0);
	CSize	GetSuperpositionWidth(void);
	void	SetSectionSize(long cx,long cy);

protected:
	CSize	m_szPageNum;			//横纵最大页数(cx=列数,cy=行数)
	BOOL	m_bChildRulerBar = FALSE;
	CXyDC*	m_pPreviewDC;
	BOOL	m_bPrinting;
	BOOL	m_bRestorePreviewDC;
};

};