📄 ex05aview.cpp
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// ex05aView.cpp : implementation of the CEx05aView class
//
#include "stdafx.h"
#include "ex05a.h"
#include "ex05aDoc.h"
#include "ex05aView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CEx05aView
IMPLEMENT_DYNCREATE(CEx05aView, CView)
BEGIN_MESSAGE_MAP(CEx05aView, CView)
//{{AFX_MSG_MAP(CEx05aView)
// 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
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEx05aView construction/destruction
CEx05aView::CEx05aView()
{
// TODO: add construction code here
}
CEx05aView::~CEx05aView()
{
}
BOOL CEx05aView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CEx05aView drawing
void CEx05aView::OnDraw(CDC* pDC)
{
int nPosition = 0;
for (int i = 6; i <= 24; i += 2) {
ShowFont(pDC, nPosition, i);
}
TRACE("LOGPIXELSX = %d, LOGPIXELSY = %d\n",
pDC->GetDeviceCaps(LOGPIXELSX),
pDC->GetDeviceCaps(LOGPIXELSY));
TRACE("HORZSIZE = %d, VERTSIZE = %d\n",
pDC->GetDeviceCaps(HORZSIZE),
pDC->GetDeviceCaps(VERTSIZE));
TRACE("HORZRES = %d, VERTRES = %d\n",
pDC->GetDeviceCaps(HORZRES),
pDC->GetDeviceCaps(VERTRES));
}
/////////////////////////////////////////////////////////////////////////////
// CEx05aView diagnostics
#ifdef _DEBUG
void CEx05aView::AssertValid() const
{
CView::AssertValid();
}
void CEx05aView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CEx05aDoc* CEx05aView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEx05aDoc)));
return (CEx05aDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CEx05aView message handlers
void CEx05aView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo)
{
pDC->SetMapMode(MM_ANISOTROPIC);
pDC->SetWindowExt(1440, 1440);
pDC->SetViewportExt(pDC->GetDeviceCaps(LOGPIXELSX),
-pDC->GetDeviceCaps(LOGPIXELSY));
}
void CEx05aView::ShowFont(CDC* pDC, int& nPos, int nPoints)
{
TEXTMETRIC tm;
CFont fontText;
CString strText;
CSize sizeText;
fontText.CreateFont(-nPoints * 20, 0, 0, 0, 400, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
DEFAULT_PITCH | FF_SWISS, "Arial");
CFont* pOldFont = (CFont*) pDC->SelectObject(&fontText);
pDC->GetTextMetrics(&tm);
TRACE("points = %d, tmHeight = %d, tmInternalLeading = %d,"
" tmExternalLeading = %d\n", nPoints, tm.tmHeight,
tm.tmInternalLeading, tm.tmExternalLeading);
strText.Format("This is %d-point Arial", nPoints);
sizeText = pDC->GetTextExtent(strText);
TRACE("string width = %d, string height = %d\n", sizeText.cx,
sizeText.cy);
pDC->TextOut(0, nPos, strText);
pDC->SelectObject(pOldFont);
nPos -= tm.tmHeight + tm.tmExternalLeading;
}
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