www.pudn.com > final_6.rar > PerView.cpp

// PerView.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "CG.h" 
#include "PerView.h" 
#include"Shape.h" 
#include"CGDoc.h" 
#include "Operation.h" 
#include "math.h" 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CPerView 
 
IMPLEMENT_DYNCREATE(CPerView, CView) 
 
CPerView::CPerView() 
{ 
	bOpView = false; 
    g_pPerView=this; 
} 
 
CPerView::~CPerView() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CPerView, CView) 
	//{{AFX_MSG_MAP(CPerView) 
	ON_WM_LBUTTONDOWN() 
	ON_WM_MOUSEMOVE() 
	ON_WM_LBUTTONUP() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CPerView drawing 
 
void CPerView::OnDraw(CDC* pDC) 
{ 
	CDocument* pDoc = GetDocument(); 
	// TODO: add draw code here 
    // pDC->TextOut(10,10,"Perspective View"); 
    CRect rc; 
	GetClientRect(&rc); 
   	pDC->FillRect(rc,backBrush); 
  	pDC->TextOut(10,10,"Perspective View"); 
	pDC->SetViewportOrg(rc.right/2,rc.bottom/2); 
    pDC->SelectObject(frame); 
//	pDC->MoveTo(0,0);pDC->LineTo(0,1000); 
//	pDC->MoveTo(0,0);pDC->LineTo(1000,0); 
//	pDC->MoveTo(0,0);pDC->LineTo(-1000,0); 
//    pDC->MoveTo(0,0);pDC->LineTo(0,-1000); 
//    pDC->MoveTo(0,0);pDC->LineTo(500,-500); 
//    pDC->MoveTo(0,0);pDC->LineTo(-500,500); 
	 //Íø¸ñ 
	{ 
		double startx = -500; 
		double startz = -500; 
		double deltax = -startx/10; 
		double deltaz = -startz/10; 
		CGPoint net[21][21]; 
		SPoint netview[21][21]; 
		for(int i=0;i<21;i++) 
			for(int j=0;j<21;j++) 
			{ 
				net[i][j].x = startx + i*deltax; 
				net[i][j].y = 0; 
				net[i][j].z = startz + j*deltaz; 
				COperation::PerspectiveCal(&net[i][j],&netview[i][j]); 
			} 
		for(i=0;i<20;i++) 
			for(int j=0;j<20;j++) 
			{ 
				pDC->MoveTo((int)netview[i][j].x,(int)netview[i][j].y); 
				pDC->LineTo((int)netview[i+1][j].x,(int)netview[i+1][j].y); 
				pDC->MoveTo((int)netview[i][j].x,(int)netview[i][j].y); 
				pDC->LineTo((int)netview[i][j+1].x,(int)netview[i][j+1].y); 
			} 
	} 
 
	 int x; 
 	for (x=0;xSelectObject(bePointed); 
	   else 
		   pDC->SelectObject(shape); 
		CShape* mShape; 
	    mShape=(CShape*)g_pDoc->m_ShapeArray[x]; 
		COperation::PerViewPoints(mShape); 
		mShape->DrawPer(pDC,&rc); 
   	} 
	 
   CPen light(PS_DASH,2,RGB(255,100,100)); 
   CPen *pOldPen=pDC->SelectObject(&light); 
   	for (x=0;xSelectObject(bePointed); 
	      else	  pDC->SelectObject(light); 
	       CGLight *mLight; 
		   mLight=(CGLight *)g_pDoc->m_LightArray[x]; 
		   mLight->DrawPer(pDC); 
	} 
 
   
 
 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CPerView diagnostics 
 
#ifdef _DEBUG 
void CPerView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CPerView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CPerView message handlers 
 
void CPerView::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
    switch (drawMode) 
	{ 
	case dmZoomView: 
		{ 
			prePoint = point; 
			bOpView = true; 
			break; 
		} 
	case dmRotateView: 
		{ 
			prePoint = point; 
			bOpView = true; 
			break; 
		} 
	case dmAddPointL: 
		{ 
		    g_pDoc->m_LightArray.Add((CObject *)new CGLight((point.x-395/2+14.16),(point.y-160-14.16),40)); 
            lightIndex++; 
            g_pDoc->UpdateAllViews(NULL); 
			break; 
		} 
	default: 
		{ 
		 
		 
		} 
	 
	} 
	CView::OnLButtonDown(nFlags, point); 
} 
 
void CPerView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)  
{ 
	Invalidate(FALSE); 
} 
 
void CPerView::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	switch(drawMode) 
	{ 
	case dmZoomView: 
		{ 
			if(bOpView) 
			{ 
				d += 2*(prePoint.x - point.x); 
				if(d<0) 
					d = 1; 
				g_pDoc->UpdateAllViews(NULL); 
			} 
			prePoint = point; 
			break; 
		} 
	case dmRotateView: 
		{ 
			if(bOpView) 
			{ 
				Oe->x += (prePoint.x - point.x); 
				Oe->y += (prePoint.y - point.y); 
				Oe->z = sqrt(680000 - Oe->x*Oe->x - Oe->y*Oe->y); 
				g_pDoc->UpdateAllViews(NULL); 
			} 
			prePoint = point; 
			break; 
		} 
	} 
	CView::OnMouseMove(nFlags, point); 
} 
 
void CPerView::OnLButtonUp(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	bOpView = false; 
	CView::OnLButtonUp(nFlags, point); 
}