mainfrm.cpp

用Visual C++实现的绘制函数图像的程序。给定任意函数表达式

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "MyPaint.h"
#include "MainFrm.h"
#include "MyPaintDoc.h"
#include "MyPaintView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame
CMainFrame* mainwnd=0;        //定义全局主窗口指针变量
BOOL flag_setdlg=0;
extern CMyPaintView* dcpoint;
BOOL flag_xy=0,flag_z=0,flag_FOV=0;
IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(AFX_ID_PAINT, OnIdPaint)
	ON_WM_CLOSE()
	ON_COMMAND(ID_XY_ROTE, OnXyRote)
	ON_COMMAND(ID_Z_ROTE, OnZRote)
	ON_COMMAND(ID_ZOOM, OnZoom)
	ON_COMMAND(ID_MOUSE, OnMouse)
	ON_COMMAND(ID_SAVE_BMP, OnSaveBmp)
	ON_COMMAND(ID_MY_SAVE, OnMySave)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
	ON_COMMAND(ID_SET, OnSet)
	ON_COMMAND(ID_ABOUT_ME, OnAboutMe)
	ON_COMMAND(ID_MY_OPEN, OnMyOpen)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_X,
	ID_Y,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	extern BYTE focus,fov;
	extern BOOL flag_focus;
	extern COLORREF color_net,color_cordn,color_bk,color_text;
	mainwnd=this;
	CFile fp;
	if(fp.Open("set.ini",CFile::modeRead)!=NULL)
	{
		fp.Read(&color_bk,sizeof(COLORREF));
		fp.Read(&color_net,sizeof(COLORREF));
		fp.Read(&color_cordn,sizeof(COLORREF));
		fp.Read(&color_text,sizeof(COLORREF));
		fp.Read(&flag_focus,sizeof(BOOL));
		fp.Read(&focus,sizeof(BYTE));
		fp.Read(&fov,sizeof(BYTE));	
		fp.Close();
	}
	else
	{
		fov=40;
		focus=20;
	}
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_TOOLBAR))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}
	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}
	m_wndStatusBar.SetPaneInfo(1,ID_X,NULL,60);
	m_wndStatusBar.SetPaneInfo(2,ID_Y,NULL,60);
	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	cs.cx =GetSystemMetrics(SM_CXSCREEN);
	cs.cy=GetSystemMetrics(SM_CYSCREEN);
	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers


void CMainFrame::OnIdPaint() 
{
	if(dcpoint->paint.ShowWindow(SW_HIDE))              //判断绘图控制框是否可见，如果可见则隐藏，否则就显示
		;                                            //ShowWindow()返回的是窗口的previous状态
	else
		dcpoint->paint.ShowWindow(SW_SHOW);
}



void CMainFrame::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	if(MessageBox("确定要退出吗?","退出?",MB_OKCANCEL|MB_ICONQUESTION)==IDOK)
		CMainFrame::DestroyWindow();
}

void CMainFrame::OnAppAbout() 
{
	if(  (short)ShellExecute(NULL,"open","help.chm",NULL,NULL,SW_SHOWNORMAL)<=32 )
		MessageBox("找不到帮助文件,或者打开文件出错!","错误",MB_OK);
}



void CMainFrame::OnXyRote() 
{
	flag_z=0;
	flag_FOV=0;	
	flag_xy=1;	
}

void CMainFrame::OnZRote() 
{
	flag_z=1;
	flag_FOV=0;	
	flag_xy=0;
}

void CMainFrame::OnZoom() 
{
	flag_FOV=1;
	flag_z=0;
	flag_xy=0;
}

void CMainFrame::OnMouse() 
{
	flag_FOV=0;
	flag_z=0;
	flag_xy=0;
}

void CMainFrame::OnSet() 
{
	if(!flag_setdlg)
	{
		setdlg.Create(IDD_DIALOG2,this);
		flag_setdlg=1;
	}
	setdlg.ShowWindow(SW_SHOW);
}

void CMainFrame::OnAboutMe() 
{
	aboutme.DoModal();
}

void CMainFrame::OnSaveBmp() 
{
	dcpoint->OnSaveBmp();
}

void CMainFrame::OnMySave() 
{	
	extern MY_LINE *head;
	MY_LINE *p_line=head;
	if(p_line==NULL)
	{
		MessageBox("现场为空，无须保存","提示",MB_OK);
		return;
	}
	CFileDialog dlg(false,NULL,NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
		"数据文件(*.mp)|*.mp|",NULL);
	if (dlg.DoModal()!= IDOK)		
		return;
	char filename[128];
	strncpy(filename,(LPCTSTR)(dlg.GetFileTitle()+".mp"),128);
	FILE* fp;
	if( (fp=fopen(filename,"wb"))==NULL)
	{
		MessageBox("错误","文件保存失败!",MB_OK);
		return;
	}
	for(;p_line!=NULL;p_line=p_line->next)
		fwrite(p_line,sizeof(MY_LINE),1,fp);
	fclose(fp);
}

void CMainFrame::OnMyOpen() 
{
	extern MY_LINE *head,*p1,*p2;
	extern BYTE line_count;
	extern CMyPaintView* dcpoint;
	if(MessageBox("打开文件会导致现有场景信息丢失，您确定继续吗?","警告",MB_YESNO)==IDNO)
		return;
	MY_LINE *del_line=NULL,*p_line=NULL;
	del_line=p_line=head;/////////////删除现场
	while(p_line!=NULL)
	{
		del_line=p_line;
		p_line=p_line->next;
		delete del_line;
	}
	line_count=0;
	head=NULL;
	CFileDialog dlg(true,NULL,NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
		"数据文件(*.mp)|*.mp|",NULL);
	if (dlg.DoModal()!= IDOK)		
		return;
	char filename[128];
	strncpy(filename,(LPCTSTR)dlg.GetFileName(),128);
	FILE* fp;
	if( (fp=fopen(filename,"rb"))==NULL)
	{
		MessageBox("错误","文件打开失败!",MB_OK);
		return;
	}
	head=(MY_LINE *)new MY_LINE;
	fread(head,sizeof(MY_LINE),1,fp);
	p2=head;
	line_count++;
	while(p2->next!=NULL)
	{		
		p1=(MY_LINE *)new MY_LINE;
		p2->next=p1;
		fread(p1,sizeof(MY_LINE),1,fp);
		p2=p1;
		line_count++;
	}
	dcpoint->Invalidate(TRUE);
	fclose(fp);	
}