www.pudn.com > VTK-MFC-SDI.rar > 123Doc.cpp

// 123Doc.cpp : implementation of the CMy123Doc class 
// 
 
#include "stdafx.h" 
#include "123.h" 
 
#include "123Doc.h" 
#include "123View.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CMy123Doc 
 
IMPLEMENT_DYNCREATE(CMy123Doc, CDocument) 
 
BEGIN_MESSAGE_MAP(CMy123Doc, CDocument) 
	//{{AFX_MSG_MAP(CMy123Doc) 
		// NOTE - the ClassWizard will add and remove mapping macros here. 
		//    DO NOT EDIT what you see in these blocks of generated code! 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMy123Doc construction/destruction 
 
CMy123Doc::CMy123Doc() 
{ 
	// TODO: add one-time construction code here 
	this->pvtkDataSetReader  = NULL; 
	 
	// Create the the objects used to form the visualisation. 
	this->pvtkDataSetMapper  = vtkDataSetMapper::New(); 
	this->pvtkActor      = vtkActor::New(); 
	this->pvtkActor2D    = vtkActor2D::New(); 
	this->pvtkTextMapper  = vtkTextMapper::New(); 
} 
 
CMy123Doc::~CMy123Doc() 
{ 
} 
 
BOOL CMy123Doc::OnNewDocument() 
{ 
	if (!CDocument::OnNewDocument()) 
		return FALSE; 
 
	// TODO: add reinitialization code here 
	// (SDI documents will reuse this document) 
	 
	// remove old actors 
	RemoveActors(); 
	 
	// execute object pipeline 
	ExecutePipeline(); 
 
	return TRUE; 
} 
 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CMy123Doc serialization 
 
void CMy123Doc::Serialize(CArchive& ar) 
{ 
	if (ar.IsStoring()) 
	{ 
		// TODO: add storing code here 
	} 
	else 
	{ 
		// TODO: add loading code here 
	} 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CMy123Doc diagnostics 
 
#ifdef _DEBUG 
void CMy123Doc::AssertValid() const 
{ 
	CDocument::AssertValid(); 
} 
 
void CMy123Doc::Dump(CDumpContext& dc) const 
{ 
	CDocument::Dump(dc); 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CMy123Doc commands 
void CMy123Doc::RemoveActors() 
{ 
	// get our renderer first 
	POSITION pos = this->GetFirstViewPosition(); 
	CMy123View *p123View = NULL; 
	 
	if (pos) 
	{ 
		p123View = (CMy123View *)GetNextView(pos); 
	} 
	else  // return 
	{ 
		ASSERT(FALSE); 
		return; 
	} 
	 
	// remove old actors 
	p123View->GetRenderer()->RemoveActor(this->pvtkActor); 
	p123View->GetRenderer()->RemoveActor(this->pvtkActor2D); 
} 
 
BOOL CMy123Doc::OnOpenDocument(LPCTSTR lpszPathName)  
{ 
	if (!CDocument::OnOpenDocument(lpszPathName)) 
		return FALSE; 
	 
	// remove old actors 
	RemoveActors(); 
	 
	// create new data reader 
	this->pvtkDataSetReader = vtkDataSetReader::New(); 
	this->pvtkDataSetReader->SetFileName(lpszPathName); 
	 
	// execute object pipeline 
	ExecutePipeline(); 
	 
	return TRUE; 
} 
 
void CMy123Doc::OnCloseDocument()  
{ 
	// delete data 
 
	if (this->pvtkDataSetReader)  	this->pvtkDataSetReader->Delete(); 
//	AfxMessageBox("lidan dandan.");	 
	// Delete the the objects used to form the visualisation. 
	if (this->pvtkDataSetMapper)  this->pvtkDataSetMapper->Delete(); 
	if (this->pvtkActor)      this->pvtkActor->Delete(); 
	if (this->pvtkActor2D)      this->pvtkActor2D->Delete(); 
	if (this->pvtkTextMapper)    this->pvtkTextMapper->Delete(); 
	 
	CDocument::OnCloseDocument(); 
} 
 
void CMy123Doc::ExecutePipeline() 
{ 
	// get our renderer first 
	POSITION pos = this->GetFirstViewPosition(); 
	CMy123View *p123View = NULL; 
	 
	if (pos) 
	{ 
		p123View = (CMy123View *)GetNextView(pos); 
	} 
	else  // return 
	{ 
		ASSERT(FALSE); 
		return; 
	} 
	 
	if (pvtkDataSetReader)  // have file 
	{ 
		this->pvtkDataSetMapper->SetInput(this->pvtkDataSetReader->GetOutput()); 
		this->pvtkActor->SetMapper(this->pvtkDataSetMapper); 
		 
		this->pvtkTextMapper->SetInput(this->pvtkDataSetReader->GetFileName()); 
		this->pvtkTextMapper->GetTextProperty()->SetFontSize(12); 
		this->pvtkActor2D->SetMapper(this->pvtkTextMapper); 
		 
		p123View->GetRenderer()->SetBackground(0.0,0.0,0.4); 
		p123View->GetRenderer()->AddActor(this->pvtkActor); 
		p123View->GetRenderer()->AddActor(this->pvtkActor2D); 
		p123View->GetRenderer()->ResetCamera(); 
		this->pvtkDataSetReader->Delete(); 
		this->pvtkDataSetReader = NULL; 
	} 
	else  // have no file 
	{ 
		this->pvtkTextMapper->SetInput("Hello World"); 
		this->pvtkTextMapper->GetTextProperty()->SetFontSize(24); 
		this->pvtkActor2D->SetMapper(this->pvtkTextMapper); 
		 
		p123View->GetRenderer()->SetBackground(0.0,0.0,0.4); 
		p123View->GetRenderer()->AddActor(this->pvtkActor2D); 
		p123View->GetRenderer()->ResetCamera(); 
	} 
}