www.pudn.com > ElectronicAlbums.rar > Picture.h

//////////////////////////////////////////////////////////////// 
// 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. 
// 
#pragma once 
#include  
 
////////////////// 
// Picture object--encapsulates IPicture 
// 
class CPicture { 
public: 
	CPicture(); 
	~CPicture(); 
 
	// Load frm various sosurces 
	BOOL Load(UINT nIDRes); 
	BOOL Load(LPCTSTR pszPathName); 
	BOOL Load(CFile& file); 
	BOOL Load(CArchive& ar); 
	BOOL Load(IStream* pstm); 
 
	// render to device context 
	BOOL Render(CDC* pDC, CRect rc=CRect(0,0,0,0), 
		LPCRECT prcMFBounds=NULL) const; 
 
	CSize GetImageSize(CDC* pDC=NULL) const; 
 
	operator IPicture*() { 
		return m_spIPicture; 
	} 
 
	void GetHIMETRICSize(OLE_XSIZE_HIMETRIC& cx, OLE_YSIZE_HIMETRIC& cy) const { 
		cx = cy = 0; 
		const_cast(this)->m_hr = m_spIPicture->get_Width(&cx); 
		ASSERT(SUCCEEDED(m_hr)); 
		const_cast(this)->m_hr = m_spIPicture->get_Height(&cy); 
		ASSERT(SUCCEEDED(m_hr)); 
	} 
 
	void Free() { 
		if (m_spIPicture) { 
			m_spIPicture.Release(); 
		} 
	} 
 
protected: 
	CComQIPtrm_spIPicture;		 // ATL smart pointer to IPicture 
	HRESULT m_hr;								 // last error code 
};