param.cpp

在一个bmp格式的地图上根据GPS信号定位

// Param.cpp : implementation file
//

#include "stdafx.h"
#include "bmp.h"
#include "Param.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CParam dialog


CParam::CParam(CWnd* pParent /*=NULL*/)
	: CDialog(CParam::IDD, pParent)
{
	//{{AFX_DATA_INIT(CParam)
	m_disp = _T("");
	m_H = 0;
	m_nh = 0;
	m_nw = 0;
	m_W = 0;
	m_filepath = _T("");
	//}}AFX_DATA_INIT
}


void CParam::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CParam)
	DDX_Control(pDX, IDC_PROGRESS, m_process);
	DDX_Text(pDX, IDC_DISP, m_disp);
	DDX_Text(pDX, IDC_H, m_H);
	DDX_Text(pDX, IDC_nh, m_nh);
	DDX_Text(pDX, IDC_nw, m_nw);
	DDX_Text(pDX, IDC_W, m_W);
	DDX_Text(pDX, IDC_FILEPATHSTR, m_filepath);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CParam, CDialog)
	//{{AFX_MSG_MAP(CParam)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CParam message handlers

void CParam::OnOK() 
{
	// TODO: Add extra validation here
	
	CRect rect;
	CString tmp;
	int i, j, w, h, nw, nh, xx, yy, s = 0;

	UpdateData();
	w = m_W;
	h = m_H;
	nw = m_nw;
	nh = m_nh;
	m_process.SetRange(0, nw * nh);
	m_process.SetPos(0);
	UpdateData(FALSE);

	for(i = nh - 1; i >= 0; i--)
	{
		yy = (1 + i + i) * height / (2 * nh);
		rect.top = yy - h / 2;
		rect.bottom = rect.top + h;
		for(j = 0; j < nw; j++)
		{
			xx = (1 + j + j) * width / (2 * nw);
			rect.left = xx - w / 2;
			rect.right = rect.left + w;
			tmp.Format(m_filepath + "%02d%02d.bmp", nh - 1 - i, j);
			b->Save(tmp, rect);
			m_process.SetPos(++s);
		}
	}
	AfxMessageBox("分割完成");
	CDialog::OnOK();
}

void CParam::SetBmp(CBmpSpliter *bmp)
{
	b = bmp;
	width = b->GetWidth();
	height = b->GetHeight();
	m_disp.Format("%d × %d", width, height);
}