dlgshowimage.cpp

电力黑启动综合程序

// DlgShowImage.cpp : implementation file
//

#include "stdafx.h"
#include "PowerSearch.h"
#include "DlgShowImage.h"
#include "cdib.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDlgShowImage dialog


CDlgShowImage::CDlgShowImage(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgShowImage::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgShowImage)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CDlgShowImage::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgShowImage)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgShowImage, CDialog)
	//{{AFX_MSG_MAP(CDlgShowImage)
	ON_BN_CLICKED(IDC_BUTTONShow, OnBUTTONShow)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgShowImage message handlers

void CDlgShowImage::OnBUTTONShow() 
{
static char szfilter[]="BMP Files(*.bmp)|*.bmp|All files(*.*)|*.*||";
   CFileDialog dlg(TRUE,"BMP",NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,szfilter);
   if(dlg.DoModal()!=IDOK)
	 return;
 	CString filename;
	// 获取当前文件路径
 	filename= dlg.GetPathName();
	   //创建内存DC
    CBitmap m_bitmap;     //创建位图对象
	
	LoadFile(filename);
	BYTE *pBitmapData=GetData();
	int width=GetWidth();
	int height=GetHeight();

    BITMAPINFO *bmInfo=GetInfo();
	BITMAPINFOHEADER *bmiHeader=GetInfoHeader();
	CClientDC dc(this);	
	HBITMAP m_hbitmap=CreateDIBitmap(dc.m_hDC,bmiHeader,CBM_INIT,pBitmapData,bmInfo,DIB_RGB_COLORS);
    CWnd *pwnd=GetDlgItem(IDC_ShowImage);
    CDC *pDC=pwnd->GetDC(); 
    CRect rect;
    GetClientRect(&rect);
    CDC MemDC; 
	MemDC.CreateCompatibleDC(pDC);
    HBITMAP pOldBitmap=(HBITMAP)MemDC.SelectObject(m_hbitmap);
    pDC->StretchBlt(0,0,rect.Width(),rect.Height(),&MemDC,0,0,(int)(1.3*width),(int)(1.3*height),SRCCOPY);
	
}