truecolorto8bitview.h

一个效果非常好的24,16bit真彩位图转化成256彩色或黑白位图的演示程序代码

// truecolorto8bitView.h : interface of the CTruecolorto8bitView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_TRUECOLORTO8BITVIEW_H__8B177823_DD30_48DA_BB8F_6E2EE0166055__INCLUDED_)
#define AFX_TRUECOLORTO8BITVIEW_H__8B177823_DD30_48DA_BB8F_6E2EE0166055__INCLUDED_

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


class CTruecolorto8bitView : public CView
{
protected: // create from serialization only
	CTruecolorto8bitView();
	DECLARE_DYNCREATE(CTruecolorto8bitView)

// Attributes
public:
	CTruecolorto8bitDoc* GetDocument();
	BITMAP bm;
// Operations
public:
  CBitmap bitmap;
   BOOL bShow;
   CString str;
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTruecolorto8bitView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CTruecolorto8bitView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CTruecolorto8bitView)
	afx_msg void OnFileOpen();
	afx_msg void OnM8bitcolor();
	afx_msg void OnM2color();
	afx_msg void OnFileSave();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in truecolorto8bitView.cpp
inline CTruecolorto8bitDoc* CTruecolorto8bitView::GetDocument()
   { return (CTruecolorto8bitDoc*)m_pDocument; }
#endif

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_TRUECOLORTO8BITVIEW_H__8B177823_DD30_48DA_BB8F_6E2EE0166055__INCLUDED_)