hx_jk0602view.cpp

计算机图形学,用VC实现的画直线方法

// hx_jk0602View.cpp : implementation of the CHx_jk0602View class
//

#include "stdafx.h"
#include "hx_jk0602.h"

#include "hx_jk0602Doc.h"
#include "hx_jk0602View.h"
#include "SetDlg.h"
#include "huangxu.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CHx_jk0602View

IMPLEMENT_DYNCREATE(CHx_jk0602View, CView)

BEGIN_MESSAGE_MAP(CHx_jk0602View, CView)
	//{{AFX_MSG_MAP(CHx_jk0602View)
	ON_COMMAND(IDC_Bresenham, OnBresenham)
	ON_COMMAND(IDC_DDA, OnDda)
	ON_COMMAND(IDC_MID, OnMid)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CHx_jk0602View construction/destruction

CHx_jk0602View::CHx_jk0602View()
{
	// TODO: add construction code here

}

CHx_jk0602View::~CHx_jk0602View()
{
}

BOOL CHx_jk0602View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CHx_jk0602View drawing

void CHx_jk0602View::OnDraw(CDC* pDC)
{
	CHx_jk0602Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CHx_jk0602View printing

BOOL CHx_jk0602View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CHx_jk0602View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CHx_jk0602View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CHx_jk0602View diagnostics

#ifdef _DEBUG
void CHx_jk0602View::AssertValid() const
{
	CView::AssertValid();
}

void CHx_jk0602View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CHx_jk0602Doc* CHx_jk0602View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CHx_jk0602Doc)));
	return (CHx_jk0602Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CHx_jk0602View message handlers

void CHx_jk0602View::OnBresenham() 
{
	// TODO: Add your command handler code here
	CSetDlg dlg;
	if(dlg.DoModal()==IDOK)
	{
		huangxu hx;
		CDC *pDC=GetDC();
		hx.Bresenham(pDC,dlg.m_xa,dlg.m_ya,dlg.m_xb,dlg.m_yb,dlg.m_rvalue,dlg.m_gvalue,dlg.m_bvalue);
		ReleaseDC(pDC);
//		Invalidate();
	}
}

void CHx_jk0602View::OnDda() 
{
	// TODO: Add your command handler code here
	CSetDlg dlg;
	if(dlg.DoModal()==IDOK)
	{
		huangxu hx;
		CDC* pDC=GetDC();
		hx.DDA(pDC,dlg.m_xa,dlg.m_ya,dlg.m_xb,dlg.m_yb,dlg.m_rvalue,dlg.m_gvalue,dlg.m_bvalue);
		ReleaseDC(pDC);
//		Invalidate();
	}
}

void CHx_jk0602View::OnMid() 
{
	// TODO: Add your command handler code here
	CSetDlg dlg;
	if(dlg.DoModal()==IDOK)
	{
		huangxu hx;
		CDC*pDC=GetDC();
		hx.MID(pDC,dlg.m_xa,dlg.m_ya,dlg.m_xb,dlg.m_yb,dlg.m_rvalue,dlg.m_gvalue,dlg.m_bvalue);
		ReleaseDC(pDC);
//		Invalidate();
	}
}