imagebutton.h

是一个较好的缩放工具

#if !defined(AFX_IMAGEBUTTON_H__A87BCD7F_AB36_11D3_9FE1_006067718D04__INCLUDED_)
#define AFX_IMAGEBUTTON_H__A87BCD7F_AB36_11D3_9FE1_006067718D04__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// ImageButton.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CImageButton window

class CImageButton : public CButton
{
// Construction
public:
        CImageButton(UINT up, UINT down = 0, UINT disabled = 0, BOOL fill = FALSE);
        // Default constructor (required for MFC compatibility)
        CImageButton() {up = 0; down = 0; disabled = 0; m_fill = FALSE; }
        BOOL m_fill; // We want to fill the image
        DWORD SetHPos(DWORD style); // Set the horizonatal alignment style
        DWORD SetVPos(DWORD style); // Set the vertical alignment style
        //----------------------
        // LoadBitmaps
        //      UINT up: Resource ID of image to use for up, enabled
        //      UINT down: Resource ID of image to use for down, enabled
        //                      if NULL, the up image is used
        //      UINT disabled: Resource ID of image to use for disabled
        //                      if NULL, the up image is halftoned gray
        void LoadBitmaps(UINT up, UINT down = NULL, UINT disabled = NULL)
              { this->up = up; this->down = down; this->disabled = disabled; } 
        void GetBitmaps(UINT &up, UINT &down, UINT &disabled)
              { up = this->up; down = this->down; disabled = this->disabled; }
// Attributes
public:

// Operations
public:

// Overrides
        // ClassWizard generated virtual function overrides
        //{{AFX_VIRTUAL(CImageButton)
        public:
        virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
        //}}AFX_VIRTUAL

// Implementation
public:
        virtual ~CImageButton();

        // Generated message map functions
protected:
        UINT up;
        UINT down;
        UINT disabled;
        //{{AFX_MSG(CImageButton)
                // NOTE - the ClassWizard will add and remove member functions here.
        //}}AFX_MSG

        DECLARE_MESSAGE_MAP()
};

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

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

#endif // !defined(AFX_IMAGEBUTTON_H__A87BCD7F_AB36_11D3_9FE1_006067718D04__INCLUDED_)