gdrawview.cpp

VS2005 MFC 实现的画图程序

// GDrawView.cpp : CGDrawView 类的实现
//

#include "stdafx.h"
#include "GDraw.h"

#include "GDrawDoc.h"
#include "GDrawView.h"
#include <math.h>
#include "SetLine.h"


#include "FilSet.h"

#include <gdiplus.h>
using namespace Gdiplus;


#include <math.h>
#include <stack>
#include <queue>
using namespace std;


#include"BgInfos.h"
#include"LinePro2.h"
#include"MainFrm.h"
#include"Circle.h"
#include"CirclePro.h"
#include"PolPro.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CGDrawView

IMPLEMENT_DYNCREATE(CGDrawView, CScrollView)

BEGIN_MESSAGE_MAP(CGDrawView, CScrollView)
	// 标准打印命令
	ON_COMMAND(ID_FILE_PRINT, &CScrollView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, &CScrollView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, &CScrollView::OnFilePrintPreview)
	ON_COMMAND(32773, &CGDrawView::On32773)

    ON_COMMAND(ID_CCLE, &CGDrawView::OnCircle)

    ON_COMMAND(ID_SELECT, &CGDrawView::OnSelectGraph)

	 ON_COMMAND(ID_SETFIL, &CGDrawView::OnSetfil)


	ON_WM_LBUTTONDOWN()
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONUP()
	ON_COMMAND(ID_Save, &CGDrawView::OnSave)
//	ON_COMMAND(ID_AllSave, &CGDrawView::OnAllsave)
	ON_COMMAND(ID_HIDE, &CGDrawView::OnHide)
	ON_UPDATE_COMMAND_UI(ID_HIDE, &CGDrawView::OnUpdateHide)

	ON_COMMAND(ID_BUTTON32791, &CGDrawView::OnLine)
	ON_COMMAND(ID_BREAKLS, &CGDrawView::On_BreakLS)

	ON_WM_ERASEBKGND()
	ON_WM_SETCURSOR()
	ON_COMMAND(32775, &CGDrawView::On32775)
	ON_WM_LBUTTONDBLCLK()
	ON_WM_MOUSEWHEEL()
	ON_COMMAND(ID_RAILWAY, &CGDrawView::OnRailway)
END_MESSAGE_MAP()

// CGDrawView 构造/析构

CGDrawView::CGDrawView() :FillColor(255,255,0),pen(Color::Black )
			,LBDown(0),Move(0)
{
	// TODO: 在此处添加构造代码
      init();
	  click_flag = 0;

}

CGDrawView::~CGDrawView()
{
	while(!m_graphlist.empty ())
		m_graphlist.pop_back ();
}

BOOL CGDrawView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改
	//  CREATESTRUCT cs 来修改窗口类或样式

	return CScrollView::PreCreateWindow(cs);
}

// CGDrawView 绘制
void CGDrawView::init()
{
	gp=NULL;
    tmpgp=NULL;
	docgp=NULL;
	tmppre=NULL;
	m_ptrGL=NULL;
	m_LButton=0;
	select=0;
	hide=0;
	//test=L"";
	m_csFileName=L"";
    whichshow=0;

	bg_color=RGB(255,255,255);
	isset=FALSE;
    
	dline=0;
	click=FALSE;
	first_draw=TRUE;
    breakline=0;

	update=true;
	type=0;
	isupdate=0;

	rail=ctl=0;
	

    //填 充变量初始化
	fillset=0;
	settop=0;
	start_point.x=start_point.y=0;


	fill_choice=FALSE;
	choice=true;
	isdraw=FALSE;
	editpnt=FALSE;

	width=1024;
	height=768;
}
void CGDrawView::OnDraw(CDC* pDC)
{
	CGDrawDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if (!pDoc)
		return;

	/*//Point p2p[10]={Point(20,20),Point(342,123),Point(99,120),
		//Point(265,76),Point(73,310),Point(420,290),Point(510,69 ),Point(230,110),Point(20,80),Point(77,240)};
	Point p2p[3] = {Point(100,100), Point(200,200), Point(200,100)};
	Point p2pp[7] = {Point(300,100), Point(400,200), Point(400,100),Point(450,100), Point(500,350), Point(600,500),Point(100,501)};
	DrawTracks(pDC,p2p,3,Color::Red ,Color::Red  );
	//DrawTracks(pDC,p2pp,7,Color::Red ,Color::Red  );
	Graphics gp(pDC->m_hDC );
	
	//DrawBZ(pDC,p2p,3,Color::Red ,Color::Red);
	//DrawBSample(pDC,p2pp,7,Color::Red ,Color::Red);
	gp.DrawLines (&Pen(Color::Green ),p2p,3);*/
	if( pDoc->size)
	{	
		init();
	    CMainFrame*   MainFrame   =   (CMainFrame*)AfxGetMainWnd();	
		MainFrame->m_wndSplitter.DeleteView(1,0);
		MainFrame->m_wndSplitter.CreateView(1,0,RUNTIME_CLASS(BgInfos),CSize(400,10),NULL);
		MainFrame->m_wndSplitter.RecalcLayout();
		BgInfos* bg=(BgInfos*)MainFrame->m_wndSplitter.GetPane(1,0);
		CWnd *pWnd=bg->GetDlgItem(IDC_BG);
		CDC *pDC=pWnd->GetDC ();
		pDC->FillRect (CRect(1,1,89,46),&CBrush(bg_color));

  
		ReleaseDC(pDC);
		bg->SetDlgItemInt(IDC_WIDTH,width);
		bg->SetDlgItemInt(IDC_HEIGHT,height);
		while(!m_graphlist.empty ())
		m_graphlist.pop_back ();
		while(!ptr_point.empty ())
		m_graphlist.pop_back ();
		

		bg_color=pDoc->bg_color;
		width=pDoc->width;
		height=pDoc->height;
        CSize   sizeTotal;   
	    sizeTotal.cx=width;
	    sizeTotal.cy=height;   
	/*	CString str;
		str.Format(L"%d %d",width,height);
		MessageBox(str);*/
		UpdateData(true);
        SetScrollSizes(MM_TEXT,sizeTotal);  
		bg->SetDlgItemInt(IDC_WIDTH,width);
		bg->SetDlgItemInt(IDC_HEIGHT,height);
		isset=1;

		for( int i=0;i<pDoc->size;i++)
		{
			int p_num=pDoc->ptr[i].count;
			CPoint *spp=new CPoint[p_num+1];
		     
			for( int j=0;j<p_num;j++)
				{  
				/*	spp[j].x=pDoc->ptr[i].p[j].x;
					spp[j].y=pDoc->ptr[i].p[j].y;*/
					spp[j]=pDoc->ptr[i].p[j];
				}
			Graph_Union	ss(pDoc->ptr[i].type,p_num,pDoc->ptr[i].wide,pDoc->ptr[i].shape,spp,pDoc->ptr[i].colors,pDoc->ptr[i].fill_color);
			m_graphlist.push_back(ss);
			delete []spp;
			delete []pDoc->ptr[i].p;
		}		
	    pDoc->size=0;
		delete []pDoc->ptr;
	}
	if(isupdate==0 ) 
	{
		OnAllsave();
		isupdate=1;
	}
	else 	ShowGraph(pDC);

    
}


// CGDrawView 打印

BOOL CGDrawView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// 默认准备
	return DoPreparePrinting(pInfo);
}

void CGDrawView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 添加额外的打印前进行的初始化过程
}

void CGDrawView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 添加打印后进行的清除过程
}


// CGDrawView 诊断

#ifdef _DEBUG
void CGDrawView::AssertValid() const
{
	CScrollView::AssertValid();
}

void CGDrawView::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

CGDrawDoc* CGDrawView::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CGDrawDoc)));
	return (CGDrawDoc*)m_pDocument;
}
#endif //_DEBUG

// CGDrawView 消息处理程序

void CGDrawView::On32773()
{
	// TODO: 在此添加命令处理程序代码
   	dline=0;
	breakline=0;
    select=0;
	fillset=0;

	CSetLine csl;
//	int x1,x2,y1,y2,lf,size;
	if(csl.DoModal ()==IDOK)
	{
		CPoint p[2]={CPoint(csl.m_x1 ,csl.m_y1 ),CPoint(csl.m_x2,csl.m_y2)};
		Graph_Union line(0,2,csl.m_size ,csl.m_lf ,p,csl.color.ToCOLORREF (),csl.color.ToCOLORREF ());
		m_graphlist.push_back (line);
		CPoint a=p[0],b=p[1];
		CClientDC dc(this);
		OnPrepareDC(&dc);
		dc.LPtoDP(&a);
		dc.LPtoDP(&b);
		DrawLine(GetDC(),a.x,a.y,b.x,b.y,line.color ,line.shape ,line.wide );
	}
}
void CGDrawView::getrect(Gdiplus::Point &b, Gdiplus::Point &e, CPoint *p) 
{
	double dx=b.X-e.X  ,dy=b.Y-e.Y  ;
	double r=sqrt(dx*dx+dy*dy);
	double sin_a=dy/r;
	double cos_a=dx/r;
	double xx= sin_a*8;
	double yy= cos_a*8;
	int x=(int)xx;
	int y=(int)yy;
	p[0].x=b.X -x;p[0].y =b.Y -y;
	p[1].x=b.X +x;p[1].y =b.Y +y;
	if(cos_a>=0)
	{
		p[2].x=e.X +x;p[2].y =e.Y +y;
		p[3].x =e.X-x;p[3].y =e.Y -y;
	}
	else
	{
		p[2].x=e.X +x;p[2].y =e.Y -y;
		p[3].x =e.X-x;p[3].y =e.Y +y;
	}
}
void CGDrawView::ShowGraph(CDC *pDC) 
{
	list<Graph_Union>::iterator w;
	for(w=m_graphlist.begin ();w!=m_graphlist.end();w++)
	{

		ShowGU(pDC,*w);
	}
}

void CGDrawView::OnLButtonDown(UINT nFlags, CPoint point)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认
	click_flag = 1;
	CClientDC dc(this);
	OnPrepareDC(&dc);
	dc.DPtoLP(&point);
	if( choice && isdraw )
	{
		editpnt=TRUE;
	    SetCapture();
		return ;
	}
    if( dline || breakline )
	{
		click_down=point;
		click=TRUE;
	    first_draw=TRUE;
        SetCapture();
	}
	else  if( fillset )
	{
        int a=0;
	}
	else 
	{ 
	UpdateData(true);
	int ishave=0;
	//CScrollView::OnLButtonDown(nFlags, point);
	list<Graph_Union>::iterator  w;
	for(w=m_graphlist.begin ();w!=m_graphlist.end();w++)
	{
		 if(w->type==0)
		 {		
			        int minx=(w->pp[0].x>w->pp[1].x)?w->pp[1].x:w->pp[0].x;
					int miny=(w->pp[0].y>w->pp[1].y)?w->pp[1].y:w->pp[0].y;
					int maxx=(w->pp[0].x<w->pp[1].x)?w->pp[1].x:w->pp[0].x;
					int maxy=(w->pp[0].y<w->pp[1].y)?w->pp[1].y:w->pp[0].y;
					if( minx<point.x && miny<point.y && maxx>point.x && maxy>point.y )
					{
						CDC* pDC=GetDC();
						CPoint a=CPoint(minx,miny);
						CPoint b=CPoint(maxx,maxy);
						dc.LPtoDP(&a);
						dc.LPtoDP(&b);
						CRect rect(a.x,a.y,b.x,b.y);				
						m_ptrGL=w;
						m_LButton=1;
						ishave=1;	                  
						start_point=point;					 
						select=1;
						type=0;
						pDC->DrawFocusRect(rect);
						ReleaseDC(pDC);
						SetCapture();
						goto f1;
					}
		
				}
		   else if( w->type==1)
				{
					int x=w->pp[0].x;
					int y=w->pp[0].y;
					int size=w->wide;
					COLORREF col=w->color;
					int r=w->shape;
					if( abs(point.x-x)<r+size && abs(point.y-y)<size+r )
					{
						CDC *PDC=GetDC();
						CPoint a=CPoint(x-r-size,y-r-size);
						CPoint b=CPoint(x+r+size,y+r+size);
						dc.LPtoDP(&a);
						dc.LPtoDP(&b);
						CRect rect(a.x,a.y,b.x,b.y);
						PDC->DrawFocusRect(rect);
						ReleaseDC(PDC);		
						m_ptrGL=w;
						m_LButton=1;
						ishave=1;
						start_point=point;
						select=1;
						type=1;
						SetCapture();
						goto f1;
						
					}
				}	
		   else if( w->type==2)
		   {	
			   int minx,miny,maxx,maxy;
			   minx=maxx=w->pp[0].x;
			   miny=maxy=w->pp[0].y;
			   for( int s=1;s<w->count;s++)
			   { 
				   if( minx>w->pp[s].x ) minx=w->pp[s].x;
				   if( maxx<w->pp[s].x ) maxx=w->pp[s].x;
				   if( miny>w->pp[s].y ) miny=w->pp[s].y;
				   if( maxy<w->pp[s].y ) maxy=w->pp[s].y;
			   }
			   fill_choice=FALSE;
			   if( point.x>minx && point.x<maxx && point.y>miny && point.y<maxy )
			   {
                     fill_choice=TRUE;
					 type=2;
                     m_ptrGL=w;
					 ishave=1;
				//	 MessageBox(L"choice");
					CPoint a=CPoint(minx,miny);
					CPoint b=CPoint(maxx,maxy);
					dc.LPtoDP(&a);
					dc.LPtoDP(&b);
					 CRect rect(a.x,a.y,b.x,b.y);
					 CDC*pDC=GetDC();
					 pDC->DrawFocusRect(rect);
					 ReleaseDC(pDC);
 			         start_point=point;
					 SetCapture();
					 goto f1;
			   }
		   }
		   else if( w->type==3)
		   {	
			   int minx,miny,maxx,maxy;
			   minx=maxx=w->pp[0].x;
			   miny=maxy=w->pp[0].y;
			   for( int s=1;s<w->count;s++)
			   { 
				   if( minx>w->pp[s].x ) minx=w->pp[s].x;
				   if( maxx<w->pp[s].x ) maxx=w->pp[s].x;
				   if( miny>w->pp[s].y ) miny=w->pp[s].y;
				   if( maxy<w->pp[s].y ) maxy=w->pp[s].y;
			   }
			   fill_choice=FALSE;
			   if( point.x>minx && point.x<maxx && point.y>miny && point.y<maxy )
			   {
                     fill_choice=TRUE;
					 type=3;
                     m_ptrGL=w;
					 ishave=1;
				//	 MessageBox(L"choice");
					CPoint a=CPoint(minx,miny);
					CPoint b=CPoint(maxx,maxy);
					dc.LPtoDP(&a);
					dc.LPtoDP(&b);
					 CRect rect(a.x,a.y,b.x,b.y);
					 CDC*pDC=GetDC();
					 pDC->DrawFocusRect(rect);
					 ReleaseDC(pDC);
					 	    select=1;
 			         start_point=point;
					 SetCapture();
					 goto f1;
			   }
		   }
	}
	m_LButton=0;
	m_ptrGL=NULL;
    select=0;
f1:
	if( !hide )
	{
			if( !ishave )
			{
				  select=0;
				  if( whichshow )
				  {		
					/*  CDC *pdc=GetDC();
				      deletepoint(pdc, *tmppre);
					  ReleaseDC(pdc);*/
					  CMainFrame*   MainFrame   =   (CMainFrame*)AfxGetMainWnd();	
					  MainFrame->m_wndSplitter.DeleteView(1,0);
					  MainFrame->m_wndSplitter.CreateView(1,0,RUNTIME_CLASS(BgInfos),CSize(400,10),NULL);
					  MainFrame->m_wndSplitter.RecalcLayout();
					  BgInfos* bg=(BgInfos*)MainFrame->m_wndSplitter.GetPane(1,0);
					  CWnd *pWnd=bg->GetDlgItem(IDC_BG);
					  CDC *pDC=pWnd->GetDC ();
					  pDC->FillRect (CRect(1,1,89,46),&CBrush(bg_color));
					  ReleaseDC(pDC);
					  whichshow=0;
		bg->SetDlgItemInt(IDC_WIDTH,width);
		bg->SetDlgItemInt(IDC_HEIGHT,height);
				  }
			}
			else  
			{	
				if( type==0)
				{
				    select=1;
					if( !whichshow || whichshow==2 || whichshow==3)
					{
					/*	CDC *pdc=GetDC();
					    if( update )
							update=false;
						else	
							deletepoint(pdc,*tmppre);
						ShowGU(pdc,*m_ptrGL,RGB(255,0,0));
						ReleaseDC(pdc);*/
						tmppre=m_ptrGL;
						CMainFrame*   MainFrame   =   (CMainFrame*)AfxGetMainWnd();	
						MainFrame->m_wndSplitter.DeleteView(1,0);
						MainFrame->m_wndSplitter.CreateView(1,0,RUNTIME_CLASS(LinePro2),CSize(400,10),NULL);
						MainFrame->m_wndSplitter.RecalcLayout();
						LinePro2  *line2=(LinePro2*)MainFrame->m_wndSplitter.GetPane(1,0);
						choice=1;
					    whichshow=1;
					}
				}
				else if( type==1)
				{
				    select=1;
				   if( !whichshow || whichshow==1 ||whichshow==3 )
					{
						tmppre=m_ptrGL;
						CMainFrame*   MainFrame   =   (CMainFrame*)AfxGetMainWnd();	
						MainFrame->m_wndSplitter.DeleteView(1,0);
						MainFrame->m_wndSplitter.CreateView(1,0,RUNTIME_CLASS(CCirclePro),CSize(400,10),NULL);
						MainFrame->m_wndSplitter.RecalcLayout();
					    whichshow=2;
					}
				}
				else if( type==2 || type==3)
				{
					    select=1;
						tmppre=m_ptrGL;
						CMainFrame*   MainFrame   =   (CMainFrame*)AfxGetMainWnd();	
						MainFrame->m_wndSplitter.DeleteView(1,0);
						MainFrame->m_wndSplitter.CreateView(1,0,RUNTIME_CLASS(CPolPro),CSize(400,10),NULL);
						MainFrame->m_wndSplitter.RecalcLayout();
					    whichshow=3;
						//MessageBox(L"OK");
				}
			  }
	    }
	}
}

void CGDrawView::OnMouseMove(UINT nFlags, CPoint point)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	CClientDC dc(this);
	OnPrepareDC(&dc);
	dc.DPtoLP(&point);
	if( !whichshow )
	{
		 CMainFrame*   MainFrame   =   (CMainFrame*)AfxGetMainWnd();	
		 BgInfos  *mouse=(BgInfos*) MainFrame->m_wndSplitter.GetPane(1,0);
		 UpdateData(true);
		 mouse->SetDlgItemInt(IDC_EDIT3,point.x,1);
		 mouse->SetDlgItemInt(IDC_EDIT4,point.y,1);
	}
	if( choice )
	{
		CDC*PDC=GetDC();
		PDC->SetROP2(R2_XORPEN);
		if( !editpnt )
		{
			int sel=0;
			list<Graph_Union>::iterator  w;
			for(w=m_graphlist.begin ();w!=m_graphlist.end();w++)
			{
				for(int i=0;i<w->count;i++)
				{
					if( abs(point.x-w->pp[i].x)<5 && abs(point.y-w->pp[i].y)<5)
					{
						if( isdraw )
						{
							 CPoint a=CPoint(start_point.x,start_point.y);
							 dc.LPtoDP(&a);
							 CRect rect2(a.x-10,a.y-10,a.x+10,a.y+10);
							 PDC->DrawFocusRect(rect2);
						}
						else isdraw=TRUE;
						choicep_num=i;
						start_point=w->pp[i];
						m_ptrGL=w;
						CPoint b=CPoint(start_point.x,start_point.y);
					    dc.LPtoDP(&b);
						CRect rect(b.x-10,b.y-10,b.x+10,b.y+10);
						PDC->DrawFocusRect(rect);
						sel=1;
						break;