www.pudn.com > OpenGL实现三维绘图.rar > ProjectView.cpp

// ProjectView.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "Test1.h" 
#include "ProjectView.h" 
#include "MainFrm.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
extern GLfloat Databuf[ArrayOne][ArrayTwo]; 
extern bool gbIsGetData; 
extern GLfloat  xrof,yrof,zrof;//各坐标轴倾角 
///////////////////////////////////////////////////////////////////////////// 
// CProjectView 
 
IMPLEMENT_DYNCREATE(CProjectView, CView) 
 
CProjectView::CProjectView() 
{ 
	m_WitchPro = 0; 
	this->m_ProName = "";	 
	m_pDC = NULL; 
	m_bShowBmp = false; 
} 
 
CProjectView::~CProjectView() 
{ 
	if (m_pDC) 
	{ 
		delete m_pDC; 
		m_pDC = NULL; 
	} 
} 
 
 
BEGIN_MESSAGE_MAP(CProjectView, CView) 
	//{{AFX_MSG_MAP(CProjectView) 
	ON_WM_ERASEBKGND() 
	ON_WM_MOUSEMOVE() 
	//}}AFX_MSG_MAP 
	ON_MESSAGE(MESSAGE_ANGLECHANGING,AngleChanging) 
	ON_MESSAGE(MESSAGE_BMPHASBECOPIED,ShowBmpMessageFun) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CProjectView drawing 
 
void CProjectView::OnDraw(CDC* pDC) 
{ 
	CDocument* pDoc = GetDocument(); 
	// TODO: add draw code here 
	CFont *OldFont = pDC->SelectObject(&this->m_pfr->m_13Font); 
 
	this->DrawCoordinate(pDC); 
//	this->DrawRect(pDC); 
	if (this->m_bShowBmp) 
	{ 
		HBITMAP hBmp = this->m_pfr->m_pView->m_hBmp; 
		this->ShowSelArear(hBmp,pDC); 
	} 
	pDC->SelectObject(OldFont);	 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CProjectView diagnostics 
 
#ifdef _DEBUG 
void CProjectView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CProjectView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CProjectView message handlers 
 
void CProjectView::OnInitialUpdate()  
{ 
	CView::OnInitialUpdate();	 
	m_pfr = (CMainFrame*)AfxGetApp()->m_pMainWnd; 
} 
 
BOOL CProjectView::OnEraseBkgnd(CDC* pDC)  
{ 
	TEXTMETRIC tm; 
	pDC->GetTextMetrics(&tm); 
	CBrush Brush (BLACK);  
    CBrush* pOldBrush = pDC->SelectObject(&Brush);      
	CRect ViewClip;  
	pDC->GetClipBox(&ViewClip);      
	pDC->PatBlt(ViewClip.left,ViewClip.top,ViewClip.Width(),ViewClip.Height(),PATCOPY);     
	pDC->SelectObject (pOldBrush ); 
	return TRUE; 
} 
 
void CProjectView::DrawRect(CDC *pDC) 
{ 
	CRect rc; 
	this->GetClientRect(&rc); 
	int cx = rc.right; 
	int cy = rc.bottom; 
 
	TEXTMETRIC tm; 
	pDC->GetTextMetrics(&tm); 
	int yStart = 10; 
	int nCharWith = tm.tmHeight; 
 
	CPen Brightpen(PS_SOLID, 1, RED); 
	CPen *pOldPen = pDC->SelectObject(&Brightpen); 
 
	pDC->SetTextAlign(TA_RIGHT); 
 
	pDC->MoveTo(cx - nCharWith*5 - 2, 0); 
	pDC->LineTo(cx - nCharWith*5 - 2, rc.bottom-30); 
 
	pDC->TextOut(cx ,10, "成图参数表"); 
	pDC->SetTextColor(BLUE); 
 
	pDC->MoveTo(cx - nCharWith*5 - 1, 10 + nCharWith + 1); 
	pDC->LineTo(cx , 10 + nCharWith + 1); 
 
	pDC->MoveTo(cx - nCharWith*5 - 1, rc.bottom-30); 
	pDC->LineTo(cx , rc.bottom-30); 
 
	pDC->SetTextAlign(TA_LEFT); 
	 
	pDC->TextOut(cx - nCharWith*5, 10 + nCharWith + 2, "○X轴倾角"); 
	pDC->TextOut(cx - nCharWith*5, 10 + nCharWith*3 + 4, "○Y轴倾角"); 
	pDC->TextOut(cx - nCharWith*5, 10 + nCharWith*5 + 6, "○Z轴倾角"); 
 
	pDC->SetTextColor(BRIGHT); 
	pDC->TextOut(cx - nCharWith*5, 10 + nCharWith*2 + 2, this->GetAngle(xrof)); 
	pDC->TextOut(cx - nCharWith*5, 10 + nCharWith*4 + 4, this->GetAngle(yrof)); 
	pDC->TextOut(cx - nCharWith*5, 10 + nCharWith*6 + 6, this->GetAngle(zrof)); 
	 
	pDC->SelectObject(pOldPen); 
} 
 
void CProjectView::DrawCoordinate(CDC *pDC) 
{ 
	CRect rc; 
	GetClientRect(&rc); 
	pDC->SetTextAlign(TA_CENTER); 
	pDC->SetTextColor(YELLOW); 
	pDC->SetBkMode(1); 
	 
	CPen Greenpen(PS_SOLID,1,GREEN); 
	CPen *pOldPen = pDC->SelectObject(&Greenpen); 
 
	CString Show = "选取部位投影窗口" + m_ProName; 
	pDC->TextOut(rc.right/2,2,Show); 
 
	//x轴 
	pDC->MoveTo(10,rc.bottom-20); 
	pDC->LineTo(rc.right-30,rc.bottom-20); 
	pDC->MoveTo(rc.right-30,rc.bottom-20); 
	pDC->LineTo(rc.right-30-5,rc.bottom-20-5); 
	pDC->MoveTo(rc.right-30,rc.bottom-20); 
	pDC->LineTo(rc.right-30-5,rc.bottom-20+5); 
	//y轴 
	pDC->MoveTo(10,rc.bottom-20); 
	pDC->LineTo(10,25); 
	pDC->MoveTo(10,25); 
	pDC->LineTo(5,30); 
	pDC->MoveTo(10,25); 
	pDC->LineTo(15,30); 
 
	if (::gbIsGetData) 
		return; 
 
	pDC->SelectObject(pOldPen); 
} 
 
CString CProjectView::GetAngle(int Angle) 
{ 
	CString strAngle = "0"; 
	if (Angle > -360 && Angle < 360) 
		strAngle.Format("%d度", Angle); 
	else 
		strAngle.Format("%d度",Angle%360); 
	return strAngle; 
} 
 
void CProjectView::AngleChanging(LPARAM lp, WPARAM wp) 
{ 
	this->InvalidatethisRect(); 
}	 
 
void CProjectView::InvalidatethisRect() 
{ 
	CRect rc; 
	GetClientRect(&rc); 
	int cx = rc.right; 
	int cy = rc.bottom; 
	this->InvalidateRect(CRect(15,21,cx-15,cy-30)); 
} 
 
 
 
void CProjectView::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	this->SetFocus();	 
	CView::OnMouseMove(nFlags, point); 
} 
 
void CProjectView::ShowSelArear(HBITMAP hBmp, CDC *pDC) 
{ 
	HBITMAP OldBitmap; 
	CDC MemDC; 
	MemDC.CreateCompatibleDC(pDC); 
 
	CRect rect; 
	GetClientRect(rect); 
	OldBitmap=(HBITMAP)MemDC.SelectObject(hBmp); 
	pDC->BitBlt(20,20,rect.right,rect.bottom,&MemDC,0,0,SRCCOPY); 
 
	MemDC.SelectObject(OldBitmap); 
} 
 
void CProjectView::ShowBmpMessageFun(LPARAM lp, WPARAM wp) 
{ 
	m_bShowBmp = true; 
	this->InvalidatethisRect(); 
}