www.pudn.com > FINAL.rar > ImageProcessingDoc.cpp


// ImageProcessingDoc.cpp : implementation of the CImageProcessingDoc class
//

#include "stdafx.h"
#include "ImageProcessing.h"

#include "ImageProcessingDoc.h"
#include "GlobalApi.h"

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

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingDoc

IMPLEMENT_DYNCREATE(CImageProcessingDoc, CDocument)

BEGIN_MESSAGE_MAP(CImageProcessingDoc, CDocument)
//{{AFX_MSG_MAP(CImageProcessingDoc)
ON_COMMAND(ID_FILE_SAVE_AS, OnFileSaveAs)
ON_COMMAND(ID_FILE_RELOAD, OnFileReload)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingDoc construction/destruction

CImageProcessingDoc::CImageProcessingDoc()
{
// TODO: add one-time construction code here
InitDocVariable();
}

CImageProcessingDoc::~CImageProcessingDoc()
{
FreeDocVariable();
}

BOOL CImageProcessingDoc::OnNewDocument()
{
if (!CDocument::OnNewDocument())
return FALSE;

// TODO: add reinitialization code here
// (SDI documents will reuse this document)

return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CImageProcessingDoc serialization

void CImageProcessingDoc::Serialize(CArchive&amt; ar)
{
m_pDibInit->Serialize(ar);

if (ar.IsStoring())
{
// TODO: add storing code here
}
else
{
// TODO: add loading code here
}
}

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingDoc diagnostics

#ifdef _DEBUG
void CImageProcessingDoc::AssertValid() const
{
CDocument::AssertValid();
}

void CImageProcessingDoc::Dump(CDumpContext&amt; dc) const
{
CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingDoc commands

int CImageProcessingDoc::InitDocVariable()
{
m_pDibInit = new CDib;

// added by tanhc in 2002-7-30, used to test some function
m_pDibTest = new CDib;

//--------------------------------------------

return 0;
}

int CImageProcessingDoc::FreeDocVariable()
{
delete m_pDibInit;
m_pDibInit = NULL;

// added by tanhc in 2002-7-30, used to test some function
delete m_pDibTest ;
m_pDibTest = NULL ;

//--------------------------------------------

return 0;
}

void CImageProcessingDoc::OnFileSaveAs()
{
// TODO: Add your command handler code here
CString strSaveFileType = "位图文件 (*.bmp;*.dib)|*.bmp; *.dib|All Files (*.*)|*.*||";
CFileDialog FileDlg(FALSE, "*.bmp", NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, strSaveFileType);

CFile fileOpen ;
if( FileDlg.DoModal() == IDOK ) {
if(!fileOpen.Open( FileDlg.GetPathName() , CFile::modeCreate|CFile::modeWrite )){
AfxMessageBox("cannot create the file to save");
return;
}
if( !m_pDibInit->Write( &amt;fileOpen ) ){
return;
}
fileOpen.Close();
}

}

/*************************************************************************
*
* \函数名称：
* OnFileReload()
*
* \输入参数:
* 无
*
* \返回值:
* 无
*
* \说明:
* 该函数响应ID_FILE_RELOAD点击的消息，并重载DIB
*
*************************************************************************
*/
void CImageProcessingDoc::OnFileReload()
{
// 判断当前图像是否已经被改动
if (IsModified())
{
// 提示用户该操作将丢失所有当前的修改
if (MessageBox(NULL, "重新打开图像将丢失所有改动！是否继续？", "系统提示", MB_ICONQUESTION | MB_YESNO) == IDNO)
{
// 用户取消操作，直接返回
return;
}
}
CFile file;

CString strPathName;
CFileException fe;

strPathName = GetPathName();

// 重新打开文件
if( !file.Open(strPathName, CFile::modeRead | CFile::shareDenyWrite, &amt;fe))
{
// 失败
ReportSaveLoadException(strPathName, &amt;fe, FALSE, AFX_IDP_FAILED_TO_OPEN_DOC);

// 返回
return;
}

// 更改光标
BeginWaitCursor();

// 重新读取图象
if(!m_pDibInit->Read(&amt;file)){
// 恢复光标形状
EndWaitCursor();


// 返回
return;
}

// 初始化胀标记为FALSE
SetModifiedFlag(FALSE);

// 刷新
UpdateAllViews(NULL);

// 恢复光标形状
EndWaitCursor();

// 返回
return;
}