ex06bview.cpp

主要用于交通系统

// Ex06bView.cpp : implementation of the CEx06bView class
//

#include "stdafx.h"
#include "Ex06b.h"

#include "Ex06bDoc.h"
#include "Ex06bView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CEx06bView

IMPLEMENT_DYNCREATE(CEx06bView, CView)

BEGIN_MESSAGE_MAP(CEx06bView, CView)
END_MESSAGE_MAP()

// CEx06bView construction/destruction

CEx06bView::CEx06bView()
{
	// TODO: add construction code here

}

CEx06bView::~CEx06bView()
{
}

BOOL CEx06bView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

// CEx06bView drawing

void CEx06bView::OnDraw(CDC* pDC)
{
    CFont fontTest1, fontTest2, fontTest3, fontTest4;

    fontTest1.CreateFont(50, 0, 0, 0, 400, FALSE, FALSE, 0,
                         ANSI_CHARSET, OUT_DEFAULT_PRECIS,
                         CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
                         DEFAULT_PITCH | FF_SWISS, "Arial");
    CFont* pOldFont = pDC->SelectObject(&fontTest1);
    TraceMetrics(pDC);
    pDC->TextOut(0, 0, "This is Arial, default width");
    
     fontTest2.CreateFont(50, 0, 0, 0, 400, FALSE, FALSE, 0,
                         ANSI_CHARSET, OUT_DEFAULT_PRECIS,
                         CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
                         DEFAULT_PITCH | FF_MODERN, "Courier");
                         // not TrueType
    pDC->SelectObject(&fontTest2);
    TraceMetrics(pDC);
    pDC->TextOut(0, 100, "This is Courier, default width");
    
    fontTest3.CreateFont(50, 10, 0, 0, 400, FALSE, FALSE, 0,
                         ANSI_CHARSET, OUT_DEFAULT_PRECIS,
                         CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
                         DEFAULT_PITCH | FF_ROMAN, NULL);
    pDC->SelectObject(&fontTest3);
    TraceMetrics(pDC);
    pDC->TextOut(0, 200, "This is generic Roman, variable width");

    fontTest4.CreateFont(50, 0, 0, 0, 400, FALSE, FALSE, 0,
                         ANSI_CHARSET, OUT_DEFAULT_PRECIS,
                         CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
                         DEFAULT_PITCH | FF_MODERN, "LinePrinter");
    pDC->SelectObject(&fontTest4);
    TraceMetrics(pDC);
    pDC->TextOut(0, 300, "This is LinePrinter, default width");
    pDC->SelectObject(pOldFont);
}


// CEx06bView diagnostics

#ifdef _DEBUG
void CEx06bView::AssertValid() const
{
	CView::AssertValid();
}

void CEx06bView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CEx06bDoc* CEx06bView::GetDocument() const // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEx06bDoc)));
	return (CEx06bDoc*)m_pDocument;
}
#endif //_DEBUG


// CEx06bView message handlers

void CEx06bView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo)
{
    CRect clientRect;

    GetClientRect(clientRect);
    pDC->SetMapMode(MM_ANISOTROPIC); // +y = down
    pDC->SetWindowExt(400, 450);
    pDC->SetViewportExt(clientRect.right, clientRect.bottom);
    pDC->SetViewportOrg(0, 0);
}

void CEx06bView::TraceMetrics(CDC* pDC)
{
    TEXTMETRIC tm;
    char       szFaceName[100];

    pDC->GetTextMetrics(&tm);
    pDC->GetTextFace(99, szFaceName);
    TRACE("font = %s, tmHeight = %d, tmInternalLeading = %d,"
          " tmExternalLeading = %d\n", szFaceName, tm.tmHeight,
          tm.tmInternalLeading, tm.tmExternalLeading);
}