fractralview.cpp

用Visual C++实现的分形图像

// FractralView.cpp : implementation of the CFractralView class
//

#include "stdafx.h"
#include "Fractral.h"

#include "FractralDoc.h"
#include "FractralView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CFractralView

IMPLEMENT_DYNCREATE(CFractralView, CView)

BEGIN_MESSAGE_MAP(CFractralView, CView)
	//{{AFX_MSG_MAP(CFractralView)
	ON_COMMAND(ID_COUCH, OnCouch)
	ON_COMMAND(ID_FLOOR, OnFloor)
	ON_COMMAND(ID_TREE, OnTree)
	ON_COMMAND(ID_RECT, OnRect)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFractralView construction/destruction

CFractralView::CFractralView()
{
	// TODO: add construction code here
	nType=0;

}

CFractralView::~CFractralView()
{
}

BOOL CFractralView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CFractralView drawing

void CFractralView::OnDraw(CDC* pDC)
{
	CFractralDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	switch(nType)
	{
	case 0:
		Couch(pDC,0,300,300,300,6);
		break;
	case 1:
		pDC->MoveTo(150,20);
		pDC->LineTo(20,280);
		pDC->LineTo(280,280);
		pDC->LineTo(150,20);
		Floor(pDC,150,20,20,280,280,280,6);
		break;
	case 2:
		Rect(pDC,100,100,200,100,6);
		Rect(pDC,200,100,200,200,6);
		Rect(pDC,200,200,100,200,6);
		Rect(pDC,100,200,100,100,6);
		break;
	case 3:
		Tree(pDC,150,250,150,50,6);
		break;
	}
}

/////////////////////////////////////////////////////////////////////////////
// CFractralView printing

BOOL CFractralView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CFractralView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CFractralView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CFractralView diagnostics

#ifdef _DEBUG
void CFractralView::AssertValid() const
{
	CView::AssertValid();
}

void CFractralView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CFractralDoc* CFractralView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CFractralDoc)));
	return (CFractralDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CFractralView message handlers

void CFractralView::OnCouch() 
{
	// TODO: Add your command handler code here
	nType=0;
	Invalidate(TRUE);
	
}

void CFractralView::OnFloor() 
{
	// TODO: Add your command handler code here
	nType=1;
	Invalidate(TRUE);
	
}

void CFractralView::OnRect() 
{
	// TODO: Add your command handler code here
	nType=2;
	Invalidate(TRUE);	
}

void CFractralView::OnTree() 
{
	// TODO: Add your command handler code here
	nType=3;
	Invalidate(TRUE);
	
}