www.gusucode.com > VC++界面上动态显示多幅图像 > VC++界面上动态显示多幅图像/gusucode/test/testDlg.cpp

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// testDlg.cpp : implementation file
//

#include "stdafx.h"
#include "test.h"
#include "testDlg.h"

#include "TestPicture.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()

/////////////////////////////////////////////////////////////////////////////
// CTestDlg dialog

CTestDlg::CTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTestDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

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

BEGIN_MESSAGE_MAP(CTestDlg, CDialog)
	//{{AFX_MSG_MAP(CTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestDlg message handlers

BOOL CTestDlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTestDlg::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 CTestDlg::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();
	}

	/*************************(11)在picture控件中显示初始背景图像****************************/
	if(TRUE)
	{
		CWnd *pWnd=GetDlgItem(IDC_PICTURE);//获得pictrue控件窗口的句柄
	    CRect rect;
	    pWnd->GetClientRect(&rect);//获得pictrue控件所在的矩形区域
	    CDC *pDC=pWnd->GetDC();//获得pictrue控件的DC

	    IStream *pStm;
	    CFileStatus fstatus;
	    CFile file;
	    LONG cb;

	    IPicture *pPic;   //定义显示图片的接口（可显示jpg格式图片）
	    CString m_sPath="car1.jpg";//设置想要显示的图片
	    //打开图象文件，获取文件字节数
	    if(file.Open(m_sPath,CFile::modeRead) && file.GetStatus(m_sPath,fstatus) 
		    && ((cb=fstatus.m_size)!=-1))
		{
	        //分配全局存储空间
            HGLOBAL hGlobal=GlobalAlloc(GMEM_MOVEABLE,cb);
	        LPVOID pvData=NULL;
	        if(hGlobal!=NULL)
			{
	            //锁定分配内存块
               if((pvData=GlobalLock(hGlobal))!=NULL)
			   {
	                //读入文件到内存缓冲区
                    file.ReadHuge(pvData,cb);
	                GlobalUnlock(hGlobal);
	                CreateStreamOnHGlobal(hGlobal,true,&pStm);
			   }
			}
		}

	    //装载图象文件
	    if(SUCCEEDED(OleLoadPicture(pStm,fstatus.m_size,TRUE,IID_IPicture,(LPVOID*)&pPic)))
		{
            OLE_XSIZE_HIMETRIC hmWidth;
            OLE_XSIZE_HIMETRIC hmHeight;
	        pPic->get_Width(&hmWidth);//获得图象真实宽度
	        pPic->get_Height(&hmHeight);//获得图象真实高度
	        //在控件上显示图片	 
	        pPic->Render(*pDC,0,0,rect.Width(),rect.Height(),0,hmHeight,hmWidth,-hmHeight,NULL);
            pPic->Release();
		}

	}	

	/***********************以上程序功能是：实现在一控件中显示一幅图像*********************/

	/*************************(22)在picture控件中显示第一次更新图像****************************/
	if(TRUE)
	{
		CWnd *pWnd=GetDlgItem(IDC_PICTURE2);//获得pictrue控件窗口的句柄
	    CRect rect;
	    pWnd->GetClientRect(&rect);//获得pictrue控件所在的矩形区域
	    CDC *pDC=pWnd->GetDC();//获得pictrue控件的DC

	    IStream *pStm;
	    CFileStatus fstatus;
	    CFile file;
	    LONG cb;

	    IPicture *pPic;   //定义显示图片的接口（可显示jpg格式图片）
	    CString m_sPath="car2.jpg";//设置想要显示的图片
	    //打开图象文件，获取文件字节数
	    if(file.Open(m_sPath,CFile::modeRead) && file.GetStatus(m_sPath,fstatus) 
		    && ((cb=fstatus.m_size)!=-1))
		{
	        //分配全局存储空间
            HGLOBAL hGlobal=GlobalAlloc(GMEM_MOVEABLE,cb);
	        LPVOID pvData=NULL;
	        if(hGlobal!=NULL)
			{
	            //锁定分配内存块
               if((pvData=GlobalLock(hGlobal))!=NULL)
			   {
	                //读入文件到内存缓冲区
                    file.ReadHuge(pvData,cb);
	                GlobalUnlock(hGlobal);
	                CreateStreamOnHGlobal(hGlobal,true,&pStm);
			   }
			}
		}

	    //装载图象文件
	    if(SUCCEEDED(OleLoadPicture(pStm,fstatus.m_size,TRUE,IID_IPicture,(LPVOID*)&pPic)))
		{
            OLE_XSIZE_HIMETRIC hmWidth;
            OLE_XSIZE_HIMETRIC hmHeight;
	        pPic->get_Width(&hmWidth);//获得图象真实宽度
	        pPic->get_Height(&hmHeight);//获得图象真实高度
	        //在控件上显示图片	 
	        pPic->Render(*pDC,0,0,rect.Width(),rect.Height(),0,hmHeight,hmWidth,-hmHeight,NULL);
            pPic->Release();
		}

	}	

	/***********************以上程序功能是：实现在一控件中显示一幅图像*********************/

		/*************************(33)在picture控件中显示第二次更新图像****************************/
	if(TRUE)
	{
		CWnd *pWnd=GetDlgItem(IDC_PICTURE3);//获得pictrue控件窗口的句柄
	    CRect rect;
	    pWnd->GetClientRect(&rect);//获得pictrue控件所在的矩形区域
	    CDC *pDC=pWnd->GetDC();//获得pictrue控件的DC

	    IStream *pStm;
	    CFileStatus fstatus;
	    CFile file;
	    LONG cb;

	    IPicture *pPic;   //定义显示图片的接口（可显示jpg格式图片）
	    CString m_sPath="car3.jpg";//设置想要显示的图片
	    //打开图象文件，获取文件字节数
	    if(file.Open(m_sPath,CFile::modeRead) && file.GetStatus(m_sPath,fstatus) 
		    && ((cb=fstatus.m_size)!=-1))
		{
	        //分配全局存储空间
            HGLOBAL hGlobal=GlobalAlloc(GMEM_MOVEABLE,cb);
	        LPVOID pvData=NULL;
	        if(hGlobal!=NULL)
			{
	            //锁定分配内存块
               if((pvData=GlobalLock(hGlobal))!=NULL)
			   {
	                //读入文件到内存缓冲区
                    file.ReadHuge(pvData,cb);
	                GlobalUnlock(hGlobal);
	                CreateStreamOnHGlobal(hGlobal,true,&pStm);
			   }
			}
		}

	    //装载图象文件
	    if(SUCCEEDED(OleLoadPicture(pStm,fstatus.m_size,TRUE,IID_IPicture,(LPVOID*)&pPic)))
		{
            OLE_XSIZE_HIMETRIC hmWidth;
            OLE_XSIZE_HIMETRIC hmHeight;
	        pPic->get_Width(&hmWidth);//获得图象真实宽度
	        pPic->get_Height(&hmHeight);//获得图象真实高度
	        //在控件上显示图片	 
	        pPic->Render(*pDC,0,0,rect.Width(),rect.Height(),0,hmHeight,hmWidth,-hmHeight,NULL);
            pPic->Release();
		}

	}	

	/***********************以上程序功能是：实现在一控件中显示一幅图像*********************/

	/*************************(44)在picture控件中显示第三次更新图像****************************/
	if(TRUE)
	{
		CWnd *pWnd=GetDlgItem(IDC_PICTURE4);//获得pictrue控件窗口的句柄
	    CRect rect;
	    pWnd->GetClientRect(&rect);//获得pictrue控件所在的矩形区域
	    CDC *pDC=pWnd->GetDC();//获得pictrue控件的DC

	    IStream *pStm;
	    CFileStatus fstatus;
	    CFile file;
	    LONG cb;

	    IPicture *pPic;   //定义显示图片的接口（可显示jpg格式图片）
	    CString m_sPath="car4.jpg";//设置想要显示的图片
	    //打开图象文件，获取文件字节数
	    if(file.Open(m_sPath,CFile::modeRead) && file.GetStatus(m_sPath,fstatus) 
		    && ((cb=fstatus.m_size)!=-1))
		{
	        //分配全局存储空间
            HGLOBAL hGlobal=GlobalAlloc(GMEM_MOVEABLE,cb);
	        LPVOID pvData=NULL;
	        if(hGlobal!=NULL)
			{
	            //锁定分配内存块
               if((pvData=GlobalLock(hGlobal))!=NULL)
			   {
	                //读入文件到内存缓冲区
                    file.ReadHuge(pvData,cb);
	                GlobalUnlock(hGlobal);
	                CreateStreamOnHGlobal(hGlobal,true,&pStm);
			   }
			}
		}

	    //装载图象文件
	    if(SUCCEEDED(OleLoadPicture(pStm,fstatus.m_size,TRUE,IID_IPicture,(LPVOID*)&pPic)))
		{
            OLE_XSIZE_HIMETRIC hmWidth;
            OLE_XSIZE_HIMETRIC hmHeight;
	        pPic->get_Width(&hmWidth);//获得图象真实宽度
	        pPic->get_Height(&hmHeight);//获得图象真实高度
	        //在控件上显示图片	 
	        pPic->Render(*pDC,0,0,rect.Width(),rect.Height(),0,hmHeight,hmWidth,-hmHeight,NULL);
            pPic->Release();
		}

	}	

	/***********************以上程序功能是：实现在一控件中显示一幅图像*********************/

	/*************************(55)在picture控件中显示第四次更新图像****************************/
	if(TRUE)
	{
		CWnd *pWnd=GetDlgItem(IDC_PICTURE5);//获得pictrue控件窗口的句柄
	    CRect rect;
	    pWnd->GetClientRect(&rect);//获得pictrue控件所在的矩形区域
	    CDC *pDC=pWnd->GetDC();//获得pictrue控件的DC

	    IStream *pStm;
	    CFileStatus fstatus;
	    CFile file;
	    LONG cb;

	    IPicture *pPic;   //定义显示图片的接口（可显示jpg格式图片）
	    CString m_sPath="car5.jpg";//设置想要显示的图片
	    //打开图象文件，获取文件字节数
	    if(file.Open(m_sPath,CFile::modeRead) && file.GetStatus(m_sPath,fstatus) 
		    && ((cb=fstatus.m_size)!=-1))
		{
	        //分配全局存储空间
            HGLOBAL hGlobal=GlobalAlloc(GMEM_MOVEABLE,cb);
	        LPVOID pvData=NULL;
	        if(hGlobal!=NULL)
			{
	            //锁定分配内存块
               if((pvData=GlobalLock(hGlobal))!=NULL)
			   {
	                //读入文件到内存缓冲区
                    file.ReadHuge(pvData,cb);
	                GlobalUnlock(hGlobal);
	                CreateStreamOnHGlobal(hGlobal,true,&pStm);
			   }
			}
		}

	    //装载图象文件
	    if(SUCCEEDED(OleLoadPicture(pStm,fstatus.m_size,TRUE,IID_IPicture,(LPVOID*)&pPic)))
		{
            OLE_XSIZE_HIMETRIC hmWidth;
            OLE_XSIZE_HIMETRIC hmHeight;
	        pPic->get_Width(&hmWidth);//获得图象真实宽度
	        pPic->get_Height(&hmHeight);//获得图象真实高度
	        //在控件上显示图片	 
	        pPic->Render(*pDC,0,0,rect.Width(),rect.Height(),0,hmHeight,hmWidth,-hmHeight,NULL);
            pPic->Release();
		}

	}	

	/***********************以上程序功能是：实现在一控件中显示一幅图像*********************/

	/*************************(66)在picture控件中显示第五次更新图像****************************/
	if(TRUE)
	{
		CWnd *pWnd=GetDlgItem(IDC_PICTURE6);//获得pictrue控件窗口的句柄
	    CRect rect;
	    pWnd->GetClientRect(&rect);//获得pictrue控件所在的矩形区域
	    CDC *pDC=pWnd->GetDC();//获得pictrue控件的DC

	    IStream *pStm;
	    CFileStatus fstatus;
	    CFile file;
	    LONG cb;

	    IPicture *pPic;   //定义显示图片的接口（可显示jpg格式图片）
	    CString m_sPath="car6.jpg";//设置想要显示的图片
	    //打开图象文件，获取文件字节数
	    if(file.Open(m_sPath,CFile::modeRead) && file.GetStatus(m_sPath,fstatus) 
		    && ((cb=fstatus.m_size)!=-1))
		{
	        //分配全局存储空间
            HGLOBAL hGlobal=GlobalAlloc(GMEM_MOVEABLE,cb);
	        LPVOID pvData=NULL;
	        if(hGlobal!=NULL)
			{
	            //锁定分配内存块
               if((pvData=GlobalLock(hGlobal))!=NULL)
			   {
	                //读入文件到内存缓冲区
                    file.ReadHuge(pvData,cb);
	                GlobalUnlock(hGlobal);
	                CreateStreamOnHGlobal(hGlobal,true,&pStm);
			   }
			}
		}

	    //装载图象文件
	    if(SUCCEEDED(OleLoadPicture(pStm,fstatus.m_size,TRUE,IID_IPicture,(LPVOID*)&pPic)))
		{
            OLE_XSIZE_HIMETRIC hmWidth;
            OLE_XSIZE_HIMETRIC hmHeight;
	        pPic->get_Width(&hmWidth);//获得图象真实宽度
	        pPic->get_Height(&hmHeight);//获得图象真实高度
	        //在控件上显示图片	 
	        pPic->Render(*pDC,0,0,rect.Width(),rect.Height(),0,hmHeight,hmWidth,-hmHeight,NULL);
            pPic->Release();
		}

	}	

	/***********************以上程序功能是：实现在一控件中显示一幅图像*********************/
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CTestDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	CTestPicture dlg;
	dlg.DoModal();

	
	CDialog::OnOK();
}