pictctrl.h

全屏显示的VC++源代码,简单实用。代码用VC++6.0编写。

////////////////////////////////////////////////////////////////
// If this code works, it was written by Paul DiLascia.
// If not, I don't know who wrote it.
// Compiles with Visual C++ 6.0 for Windows 98 and probably Windows 2000 too.
// Set tabsize = 3 in your editor.
//
#include "picture.h"
#include "StatLink.h"
#pragma once

//////////////////
// Class to encapsulate IPicture. This does not wrap all IPicture methods,
// only the ones I needed to implement ImgView -- feel free to add the others
// yourself.
//
class CPictureCtrl : public CStaticLink {
public:
	CPictureCtrl(BOOL bAutoLoadImage=TRUE);
	~CPictureCtrl();

	// brainless wrappers call CPicture
	BOOL LoadImage(UINT nIDRes) {
		Invalidate();
		return m_pict.Load(nIDRes);
	}
	BOOL LoadImage(LPCTSTR pszPathName) {
		Invalidate();
		return m_pict.Load(pszPathName);
	}
/*
	BOOL LoadImage(CArchive& ar) {
		Invalidate();
		return m_pict.Load(ar);
	}
*/
	BOOL LoadImage(IStream* pstm) {
		Invalidate();
		return m_pict.Load(pstm);
	}

	CSize GetImageSize() {
		return m_pict.GetImageSize();
	}

	const CPicture* GetPicture() {
		return &m_pict;
	}

protected:
	CPicture m_pict;			// picture
	BOOL m_bAutoLoadImage;	// automatically load image w/same Ctrl ID

	virtual void PreSubclassWindow();

	// message handlers
	afx_msg void OnPaint();
	afx_msg int  OnCreate(LPCREATESTRUCT lpcs);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);

	DECLARE_DYNAMIC(CPictureCtrl)
	DECLARE_MESSAGE_MAP()
};