www.pudn.com > MySee_Snake.rar > MySeeDoc.cpp

// MySeeDoc.cpp : implementation of the CMySeeDoc class 
// 
 
#include "stdafx.h" 
#include "MySee.h" 
 
#include "MySeeDoc.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CMySeeDoc 
 
IMPLEMENT_DYNCREATE(CMySeeDoc, CDocument) 
 
BEGIN_MESSAGE_MAP(CMySeeDoc, CDocument) 
	//{{AFX_MSG_MAP(CMySeeDoc) 
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMySeeDoc construction/destruction 
 
CMySeeDoc::CMySeeDoc() 
{ 
	// TODO: add one-time construction code here 
 
} 
 
CMySeeDoc::~CMySeeDoc() 
{ 
	if (flag==1) 
	{ 
		HeapFree(GetProcessHeap(),0,pbi); 
		HeapFree(GetProcessHeap(),0,lpBuf); 
	} 
 
 
} 
 
BOOL CMySeeDoc::OnNewDocument() 
{ 
	if (!CDocument::OnNewDocument()) 
		return FALSE; 
 
	// TODO: add reinitialization code here 
	// (SDI documents will reuse this document) 
 
	return TRUE; 
} 
 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CMySeeDoc serialization 
 
void CMySeeDoc::Serialize(CArchive& ar) 
{ 
	if (ar.IsStoring()) 
	{ 
		// TODO: add storing code here 
	} 
	else 
	{ 
		// TODO: add loading code here 
	} 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CMySeeDoc diagnostics 
 
#ifdef _DEBUG 
void CMySeeDoc::AssertValid() const 
{ 
	CDocument::AssertValid(); 
} 
 
void CMySeeDoc::Dump(CDumpContext& dc) const 
{ 
	CDocument::Dump(dc); 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CMySeeDoc commands 
 
void CMySeeDoc::OnFileOpen()  
{ 
	// TODO: Add your command handler code here 
	//读取BMP文件到文档 
	LPCTSTR lpszFilter="BMP Files(*.bmp)|*.bmp|任何文件|*.*||"; 
	CFileDialog dlg1(true,lpszFilter,NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,lpszFilter,NULL); 
	CString filename; 
	CFile file; 
	//打开文件对话框 
	if (dlg1.DoModal()==IDOK)  
	{ 
		filename=dlg1.GetPathName(); 
		if (file.Open(filename,CFile::modeRead|CFile::shareDenyNone,NULL)==0) 
		{ 
			//读取文件失败 
			AfxMessageBox("无法打开文件！",MB_OK,0); 
			return; 
		} 
		//读取文件头BITMAPFILEHEADER 
		file.Read(&bf,sizeof(bf)); 
		//判断是否是BMP文件 
		if (bf.bfType!=0x4d42)//'BM' 
		{ 
			AfxMessageBox("not bmp file!",MB_OK,0); 
			return; 
		} 
		//判断是否损坏 
		if (file.GetLength()!=bf.bfSize) 
		{ 
			AfxMessageBox("damaged file,please check it again!",MB_OK,0); 
			return; 
		} 
		//读取文件信息头BITMAPINFOHEADER 
		file.Read(&bi,sizeof(bi)); 
		//计算调色板数目 
		numQuad=0; 
		if (bi.biBitCount<24) 
		{ 
			numQuad=1<