picture.h

客户端: 这是一个完整的基于Wince 4.1图形图象,网络通讯(C/S)模式下的商用程序源代码包.

// Picture.h: interface for the CPicture class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_PICTURE_H__6098A4C3_D6D5_4711_BC7B_1595F459B480__INCLUDED_)
#define AFX_PICTURE_H__6098A4C3_D6D5_4711_BC7B_1595F459B480__INCLUDED_

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

class CPicture  
{
public:
	CPicture();
	virtual ~CPicture();

	bool			Load(CString sResourceType, CString sResource);
	bool			Load(CString sFileName);
	bool			Draw(CDC* pDC);
	bool			Draw(CDC* pDC, CPoint Pos);
	bool			Draw(CDC* pDC, CPoint Pos, CSize Size);
	bool			Draw(CDC* pDC, double nSizeRatio);
	bool			Draw(CDC* pDC, CPoint Pos, double nSizeRatio);
	CSize			GetSize(CDC* pDC);
	//
	long            GetWidth(HDC hDC) 
	{
		if(m_pPicture==NULL) return -1;
		long hmWidth;//	long hmHeight;
	    m_pPicture->get_Width(&hmWidth);
	    //m_pPicture->get_Height(&hmHeight);
		//转换himetric距离为pixels距离，1英寸=25.4毫米
        int nWidth = MulDiv(hmWidth, GetDeviceCaps(hDC, LOGPIXELSX), 2540);

		return nWidth;
	};
	long            GetHeight(HDC hDC) 
	{
	   if(m_pPicture==NULL) return -1;
	   //long hmWidth;
	   long hmHeight;
	   //m_pPicture->get_Width(&hmWidth);
 	   m_pPicture->get_Height(&hmHeight);
	   int nHeight = MulDiv(hmHeight, GetDeviceCaps(hDC, LOGPIXELSY), 2540);

	   return nHeight;
	};
	
//private:
	static	bool	GetResource(LPSTR lpName, LPSTR lpType, void* pResource, int& nBufSize);
	void			UnLoad();
	bool			LoadFromBuffer(BYTE* pBuff, int nSize);
	bool			Draw(CDC* pDC, int x, int y, int cx, int cy);
	IPicture*		m_pPicture;
	enum
	{
		HIMETRIC_INCH	= 2540
	};
};

#endif // !defined(AFX_PICTURE_H__6098A4C3_D6D5_4711_BC7B_1595F459B480__INCLUDED_)