element.cpp

这个是计算机图形学的课程设计的全部 内容。

// Element.cpp: implementation of the Element class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Graph.h"
#include "Element.h"

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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

Element::Element()
{//m_bBegin=false;
iPeak=0;

}

Element::~Element()
{

}

void Element::draw(CDC *pDC)
 {
 
 }

void Element::BoundaryFill8(CDC *pDC, int x, int y, COLORREF crFill, COLORREF crBoundary)
{
COLORREF crCur;
crCur=pDC->GetPixel(x,y);
if(crCur!=crFill&&crCur!=crBoundary)
{pDC->SetPixel(x,y,crFill);
 BoundaryFill8(pDC,x-1,y+1,crFill,crBoundary);
 BoundaryFill8(pDC,x,y+1,crFill,crBoundary);
 BoundaryFill8(pDC,x+1,y+1,crFill,crBoundary);
 BoundaryFill8(pDC,x-1,y,crFill,crBoundary);
 BoundaryFill8(pDC,x+1,y,crFill,crBoundary);
 BoundaryFill8(pDC,x-1,y-1,crFill,crBoundary);
 BoundaryFill8(pDC,x,y-1,crFill,crBoundary);
 BoundaryFill8(pDC,x+1,y-1,crFill,crBoundary);
}
}

void Element::BoundaryFill4(CDC *pDC, int x, int y, COLORREF crFill, COLORREF crBoundary)
{
COLORREF crCur;
crCur=pDC->GetPixel(x,y);
if(crCur!=crFill&&crCur!=crBoundary)
{pDC->SetPixel(x,y,crFill);
 //BoundaryFill8(pDC,x-1,y+1,crFill,crBoundary);
 BoundaryFill4(pDC,x,y+1,crFill,crBoundary);
 //BoundaryFill8(pDC,x+1,y+1,crFill,crBoundary);
 BoundaryFill4(pDC,x-1,y,crFill,crBoundary);
 BoundaryFill4(pDC,x+1,y,crFill,crBoundary);
 //BoundaryFill8(pDC,x-1,y-1,crFill,crBoundary);
 BoundaryFill4(pDC,x,y-1,crFill,crBoundary);
 //BoundaryFill8(pDC,x+1,y-1,crFill,crBoundary);
}
}