www.pudn.com > measureear.rar > measureDlg.cpp
// measureDlg.cpp : implementation file
//
#include "stdafx.h"
#include "measure.h"
#include "measureDlg.h"
#include "math.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMeasureDlg dialog
CMeasureDlg::CMeasureDlg(CWnd* pParent /*=NULL*/)
: CDialog(CMeasureDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CMeasureDlg)
m_edit4 = _T("");
m_edit5 = _T("");
m_edit6 = _T("");
m_edit7 = _T("");
m_edit8 = _T("");
m_edit9 = _T("");
m_xPos = 0.0;
m_yPos = 0.0;
m_edit3 = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMeasureDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CMeasureDlg)
DDX_Text(pDX, IDC_EDIT4, m_edit4);
DDX_Text(pDX, IDC_EDIT5, m_edit5);
DDX_Text(pDX, IDC_EDIT6, m_edit6);
DDX_Text(pDX, IDC_EDIT7, m_edit7);
DDX_Text(pDX, IDC_EDIT8, m_edit8);
DDX_Text(pDX, IDC_EDIT9, m_edit9);
DDX_Text(pDX, IDC_EDIT1, m_xPos);
DDX_Text(pDX, IDC_EDIT2, m_yPos);
DDX_Text(pDX, IDC_EDIT3, m_edit3);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CMeasureDlg, CDialog)
//{{AFX_MSG_MAP(CMeasureDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
ON_WM_RBUTTONUP()
ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMeasureDlg message handlers
BOOL CMeasureDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
i=0;
m_hPhotoBitmap = NULL;
m_pBMPBuffer = NULL;
flag=1;
if( m_bmp.m_hObject != NULL )//判断
m_bmp.DeleteObject();
HBITMAP hbmp;
hbmp=NULL;
hbmp = (HBITMAP)::LoadImage(AfxGetInstanceHandle(),
"D:/毕业设计/程序/measure//standard.bmp", IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION|LR_LOADFROMFILE);
if( hbmp == NULL )
::AfxMessageBox("错误信息!");
///////////////////////该断程序用来取得加载的BMP的信息////////////////////////
m_bmp.Attach( hbmp );
DIBSECTION ds;
BITMAPINFOHEADER &bminfo = ds.dsBmih;
m_bmp.GetObject( sizeof(ds), &ds );
int cx=bminfo.biWidth; //得到图像宽度
int cy=bminfo.biHeight; //得到图像高度
CRect rect;
GetDlgItem(IDC_STATIC1)->GetWindowRect(&rect);
ScreenToClient(&rect);
GetDlgItem(IDC_STATIC1)->MoveWindow(rect.left,rect.top,cx,cy,true);//调整大小
Invalidate();
return TRUE; // return TRUE unless you set the focus to a control
}
void CMeasureDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CMeasureDlg::DrawUserPhoto(int x, int y, CDC *pDC)
{
if(!m_hPhotoBitmap) return;
HBITMAP OldBitmap;
CDC MemDC;
MemDC.CreateCompatibleDC(pDC);
OldBitmap=(HBITMAP)MemDC.SelectObject(m_hPhotoBitmap);
pDC->BitBlt(x,y,500,500,&MemDC,0,0,SRCCOPY);
MemDC.SelectObject(OldBitmap);
}
void CMeasureDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
CPaintDC dc(GetDlgItem(IDC_STATIC1)); //用此句,得到picture控件的DC,图像将被绘制在控件上
// CDC dc;
// dc.m_hDC=::GetDC(NULL); //若用此两句,得到的是屏幕的DC,图片将被绘制在屏幕上///////////////////////////////////////////////////////
CRect rcclient;
GetDlgItem(IDC_STATIC1)->GetClientRect(&rcclient);
CDC memdc;
memdc.CreateCompatibleDC(&dc);
CBitmap bitmap;
bitmap.CreateCompatibleBitmap(&dc, rcclient.Width(), rcclient.Height());
memdc.SelectObject( &bitmap );
CWnd::DefWindowProc(WM_PAINT, (WPARAM)memdc.m_hDC , 0);
CDC maskdc;
maskdc.CreateCompatibleDC(&dc);
CBitmap maskbitmap;
maskbitmap.CreateBitmap(rcclient.Width(), rcclient.Height(), 1, 1, NULL);
maskdc.SelectObject( &maskbitmap );
maskdc.BitBlt( 0, 0, rcclient.Width(), rcclient.Height(), &memdc, rcclient.left, rcclient.top, SRCCOPY);
CBrush brush;
brush.CreatePatternBrush(&m_bmp);
dc.FillRect(rcclient, &brush);
dc.BitBlt(rcclient.left, rcclient.top, rcclient.Width(), rcclient.Height(), &memdc, rcclient.left, rcclient.top,SRCPAINT);
brush.DeleteObject();
CPaintDC dc1(GetDlgItem(IDC_PIC));
DrawUserPhoto(50,30,&dc1); //显示图像函数
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CMeasureDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CMeasureDlg::OnButton1()
{
static char BASED_CODE szFilter[] = "BMP Files (*.bmp)|*.bmp||";
CFileDialog dlg(TRUE,"BMP",NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,szFilter);
if(dlg.DoModal() == IDOK)
{
CString pathname = dlg.GetPathName();
DestroyPhoto();
LoadBMPFile(pathname);
m_hPhotoBitmap = BufferToHBITMAP();
Invalidate();
}
}
void CMeasureDlg::OnButton2()
{
// TODO: Add your control notification handler code here
int m=0;
int n=0;
for(m=0,n=0;m<16;m=m+2,n++)
{
Z[n]=(double)sqrt((X[m+1]-X[m])*(X[m+1]-X[m])+(Y[m+1]-Y[m])*(Y[m+1]-Y[m]));
}
n=0;
while (n<8)
{
S[n]=Z[n]/Z[0];
n++;
}
CString str1;
str1.Format("%.2f",S[1]);
m_edit3=str1;
CString str2;
str2.Format("%.2f",S[2]);
m_edit4=str2;
CString str3;
str3.Format("%.2f",S[3]);
m_edit5=str3;
CString str4;
str4.Format("%.2f",S[4]);
m_edit6=str4;
CString str5;
str5.Format("%.2f",S[5]);
m_edit7=str5;
CString str6;
str6.Format("%.2f",S[6]);
m_edit8=str6;
CString str7;
str7.Format("%.2f",S[7]);
m_edit9=str7;
UpdateData(FALSE);
}
void CMeasureDlg::OnRButtonUp(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if(i<16)
{
XY dlg;
m_xPos=(double)point.x;
m_yPos=(double)point.y;
dlg.m_x=m_xPos;
dlg.m_y=m_yPos;
UpdateData(FALSE);
if(dlg.DoModal()==IDOK)
{
X[i]=m_xPos;
Y[i]=m_yPos;
i++;
}
}
else ::AfxMessageBox("取点完毕!");
CDialog::OnRButtonUp(nFlags, point);
}
void CMeasureDlg::OnButton3()
{
// TODO: Add your control notification handler code here
int a=0;
int b=0;
for (a=0;a<16;a++)
{
X[a]=0;
Y[a]=0;
}
for (b=0;b<8;b++)
{
S[b]=0;
}
i=0;
m_edit3.Empty();
m_edit4.Empty();
m_edit5.Empty();
m_edit6.Empty();
m_edit7.Empty();
m_edit8.Empty();
m_edit9.Empty();
UpdateData(FALSE);
}
void CMeasureDlg::DestroyPhoto()
{
if(m_hPhotoBitmap)
{
DeleteObject(m_hPhotoBitmap);
m_hPhotoBitmap = NULL;
}
if(m_pBMPBuffer)
{
delete m_pBMPBuffer;
m_pBMPBuffer = NULL;
}
}
/////////////加载BMP文件到内存//////////////
BOOL CMeasureDlg::LoadBMPFile(const char *pBMPPathname)
{
CFile file;
if( !file.Open( pBMPPathname, CFile::modeRead) )
return FALSE;
m_nFileLen = file.GetLength();
m_pBMPBuffer = new char[m_nFileLen + 1];
if(!m_pBMPBuffer)
return FALSE;
if(file.ReadHuge(m_pBMPBuffer,m_nFileLen) != m_nFileLen)
return FALSE;
return TRUE;
}
///////////将内存中的BMP文件内容转换到HBITMAP///////低速发
HBITMAP CMeasureDlg::BufferToHBITMAP()
{
HBITMAP hBmp;
LPSTR hDIB,lpBuffer = m_pBMPBuffer;
LPVOID lpDIBBits;
BITMAPFILEHEADER bmfHeader;
DWORD bmfHeaderLen;
//获得位图的头信息
bmfHeaderLen = sizeof(bmfHeader);
strncpy((LPSTR)&bmfHeader,(LPSTR)lpBuffer,bmfHeaderLen);
//根据获得的信息头判断是否是位图
if (bmfHeader.bfType != (*(WORD*)"BM")) return NULL;
//获取位图数据
hDIB = lpBuffer + bmfHeaderLen;
BITMAPINFOHEADER &bmiHeader = *(LPBITMAPINFOHEADER)hDIB ;
BITMAPINFO &bmInfo = *(LPBITMAPINFO)hDIB ;
lpDIBBits=(lpBuffer)+((BITMAPFILEHEADER *)lpBuffer)->bfOffBits;
//创建位图
CClientDC dc(this);
hBmp = CreateDIBitmap(dc.m_hDC,&bmiHeader,
CBM_INIT,lpDIBBits,&bmInfo,DIB_RGB_COLORS);
return hBmp;
}