在PictureControl控件上绘图并保存

在MFC对话框上的picturecontrol控件上，用鼠标绘图，按输入键开始绘图，按保存键，将picture控件所画图片保存为位图或jpg等格式

// HandWritenDigitalRecongnition_Demo.cpp : Defines the class behaviors for the application.
//

#include “stdafx.h“
#include “HandWritenDigitalRecongnition_Demo.h“
#include “HandWritenDigitalRecongnition_DemoDlg.h“

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CHandWritenDigitalRecongnition_DemoApp

BEGIN_MESSAGE_MAP（CHandWritenDigitalRecongnition_DemoApp CWinApp）
	ON_COMMAND（ID_HELP &CWinApp::onhelp）
END_MESSAGE_MAP（）


// CHandWritenDigitalRecongnition_DemoApp construction

CHandWritenDigitalRecongnition_DemoApp::CHandWritenDigitalRecongnition_DemoApp（）
{
	// TODO: add construction code here
	// Place all significant initialization in InitInstance
}


// The one and only CHandWritenDigitalRecongnition_DemoApp object

CHandWritenDigitalRecongnition_DemoApp theApp;


// CHandWritenDigitalRecongnition_DemoApp initialization

BOOL CHandWritenDigitalRecongnition_DemoApp::InitInstance（）
{
	// InitCommonControlsEx（） is required on Windows XP if an application
	// manifest specifies use of ComCtl32.dll version 6 or later to enable
	// visual styles.  Otherwise any window creation will fail.
	INITCOMMONCONTROLSEX InitCtrls;
	InitCtrls.dwSize = sizeof（InitCtrls）;
	// Set this to include all the common control classes you want to use
	// in your application.
	InitCtrls.dwICC = ICC_WIN95_CLASSES;
	InitCommonControlsEx（&InitCtrls）;

	CWinApp::InitInstance（）;

	AfxEnableControlContainer（）;

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	// of your final executable you should remove from the following
	// the specific initialization routines you do not need
	// Change the registry key under which our settings are stored
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization
	SetRegistryKey（_T（“Local AppWizard-Generated Applications“））;

	CHandWritenDigitalRecongnition_DemoDlg dlg;
	m_pMainWnd = &dlg;
	INT_PTR nResponse = dlg.DoModal（）;
	if （nResponse == IDOK）
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if （nResponse == IDCANCEL）
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed return FALSE so that we exit the
	//  application rather than start the application‘s message pump.
	return FALSE;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-09-14 14:39  VS2008_Dialog_PictureControl_DrawAndSave\
     目录           0  2012-09-14 14:33  VS2008_Dialog_PictureControl_DrawAndSave\Debug\
     文件      149504  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\Debug\HandWritenDigitalRecongnition_Demo.exe
     文件     1295904  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\Debug\HandWritenDigitalRecongnition_Demo.ilk
     文件     3935232  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\Debug\HandWritenDigitalRecongnition_Demo.pdb
     目录           0  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\
     文件    13741056  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo.ncb
     文件         968  2012-09-11 18:47  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo.sln
     文件       40960  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo.suo
     文件      135486  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\1.bmp
     文件        2770  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\2.jpg
     文件           1  2006-11-20 00:11  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\ClassDiagram1.cd
     目录           0  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\
     文件       10080  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\BuildLog.htm
     文件        1196  2012-09-14 14:33  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\HandWritenDigitalRecongnition_Demo.exe.embed.manifest
     文件        1260  2012-09-14 14:33  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\HandWritenDigitalRecongnition_Demo.exe.embed.manifest.res
     文件        1120  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\HandWritenDigitalRecongnition_Demo.exe.intermediate.manifest
     文件       22650  2012-09-14 14:33  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\HandWritenDigitalRecongnition_Demo.obj
     文件    25034752  2012-09-14 14:33  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\HandWritenDigitalRecongnition_Demo.pch
     文件       23944  2012-09-14 14:33  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\HandWritenDigitalRecongnition_Demo.res
     文件      160694  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\HandWritenDigitalRecongnition_DemoDlg.obj
     文件          69  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\mt.dep
     文件      466926  2012-09-14 14:33  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\stdafx.obj
     文件     1117184  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\vc90.idb
     文件     2199552  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\Debug\vc90.pdb
     文件       60308  2012-09-14 14:31  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\HandWritenDigitalRecongnition_Demo.aps
     文件        2448  2012-09-11 18:47  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\HandWritenDigitalRecongnition_Demo.cpp
     文件         672  2012-09-11 18:47  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\HandWritenDigitalRecongnition_Demo.h
     文件        6201  2012-09-14 14:31  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\HandWritenDigitalRecongnition_Demo.rc
     文件        6445  2012-09-14 14:29  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\HandWritenDigitalRecongnition_Demo.vcproj
     文件        1427  2012-09-14 14:43  VS2008_Dialog_PictureControl_DrawAndSave\HandWritenDigitalRecongnition_Demo\HandWritenDigitalRecongnition_Demo.vcproj.XP-200902120857.Administrator.user
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