ex05bvw.cpp

visual c++技术内幕范例的源代码

// ex05bvw.cpp : implementation of the CEx05bView class
//

#include "stdafx.h"
#include "ex05b.h"

#include "ex05bdoc.h"
#include "ex05bvw.h"

#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif


void CEx05bView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo /* = NULL */)
{   // called by the application framework prior to OnDraw
    CRect clientRect;
    
    GetClientRect(&clientRect);
    pDC->SetMapMode(MM_ANISOTROPIC); // +y = down
    pDC->SetWindowExt(400, 400);
    pDC->SetViewportExt(clientRect.right, clientRect.bottom);
    pDC->SetViewportOrg(0, 0);
}


void CEx05bView::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);
}


/////////////////////////////////////////////////////////////////////////////
// CEx05bView

IMPLEMENT_DYNCREATE(CEx05bView, CView)

BEGIN_MESSAGE_MAP(CEx05bView, CView)
    //{{AFX_MSG_MAP(CEx05bView)
        // 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
    // Standard printing commands
    ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
    ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEx05bView construction/destruction

CEx05bView::CEx05bView()
{
    // TODO: add construction code here
}

CEx05bView::~CEx05bView()
{
}

/////////////////////////////////////////////////////////////////////////////
// CEx05bView drawing

void CEx05bView::OnDraw(CDC* pDC)
{
    CFont testFont1, testFont2, testFont3, testFont4;
    
    testFont1.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(&testFont1);
    TraceMetrics(pDC);
    pDC->TextOut(0, 0, "This is Arial, default width");
    
    testFont2.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(&testFont2);
    TraceMetrics(pDC);
    pDC->TextOut(0, 100, "This is Courier, default width");
    
    testFont3.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(&testFont3);
    TraceMetrics(pDC);
    pDC->TextOut(0, 200, "This is generic Roman, default width");
    
    testFont4.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(&testFont4);
    TraceMetrics(pDC);
    pDC->TextOut(0, 300, "This is LinePrinter, default width");

    pDC->SelectObject(pOldFont);
}


/////////////////////////////////////////////////////////////////////////////
// CEx05bView printing

BOOL CEx05bView::OnPreparePrinting(CPrintInfo* pInfo)
{
    // default preparation
    return DoPreparePrinting(pInfo);
}

void CEx05bView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
    // TODO: add extra initialization before printing
}

void CEx05bView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
    // TODO: add cleanup after printing
}




/////////////////////////////////////////////////////////////////////////////
// CEx05bView diagnostics

#ifdef _DEBUG
void CEx05bView::AssertValid() const
{
    CView::AssertValid();
}

void CEx05bView::Dump(CDumpContext& dc) const
{
    CView::Dump(dc);
}

CEx05bDoc* CEx05bView::GetDocument() // non-debug version is inline
{
    ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEx05bDoc)));
    return (CEx05bDoc*) m_pDocument;
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CEx05bView message handlers