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SRVRITEM.CPP
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C/C++ Source or Header
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1994-01-01
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3KB
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107 lines
// srvritem.cpp : implementation of the COTextSrvrItem class
//
#include "stdafx.h"
#include "otext.h"
#include "otextdoc.h"
#include "srvritem.h"
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// COTextSrvrItem implementation
IMPLEMENT_DYNAMIC(COTextSrvrItem, COleServerItem)
COTextSrvrItem::COTextSrvrItem(COTextDoc* pContainerDoc)
: COleServerItem(pContainerDoc, TRUE)
{
// TODO: add one-time construction code here
// (eg, adding additional clipboard formats to the item's data source)
}
COTextSrvrItem::~COTextSrvrItem()
{
// TODO: add cleanup code here
}
void COTextSrvrItem::Serialize(CArchive& ar)
{
// COTextSrvrItem::Serialize will be called by the framework if
// the item is copied to the clipboard. This can happen automatically
// through the OLE callback OnGetClipboardData. A good default for
// the embedded item is simply to delegate to the document's Serialize
// function. If you support links, then you will want to serialize
// just a portion of the document.
if (!IsLinkedItem())
{
COTextDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
pDoc->Serialize(ar);
}
}
BOOL COTextSrvrItem::OnGetExtent(DVASPECT dwDrawAspect, CSize& rSize)
{
// Most applications, like this one, only handle drawing the content
// aspect of the item. If you wish to support other aspects, such
// as DVASPECT_THUMBNAIL (by overriding OnDrawEx), then this
// implementation of OnGetExtent should be modified to handle the
// additional aspect(s).
if (dwDrawAspect != DVASPECT_CONTENT)
return COleServerItem::OnGetExtent(dwDrawAspect, rSize);
// COTextSrvrItem::OnGetExtent is called to get the extent in
// HIMETRIC units of the entire item. The default implementation
// here simply returns a hard-coded number of units.
COTextDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: replace this arbitrary size
rSize = CSize(3000, 3000); // 3000 x 3000 HIMETRIC units
return TRUE;
}
BOOL COTextSrvrItem::OnDraw(CDC* pDC, CSize& rSize)
{
COTextDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: set mapping mode and extent
// (The extent is usually the same as the size returned from OnGetExtent)
pDC->SetMapMode(MM_ANISOTROPIC);
pDC->SetWindowOrg(0,0);
pDC->SetWindowExt(3000, 3000);
// TODO: add drawing code here. Optionally, fill in the HIMETRIC extent.
// All drawing takes place in the metafile device context (pDC).
return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
// COTextSrvrItem diagnostics
#ifdef _DEBUG
void COTextSrvrItem::AssertValid() const
{
COleServerItem::AssertValid();
}
void COTextSrvrItem::Dump(CDumpContext& dc) const
{
COleServerItem::Dump(dc);
}
#endif
/////////////////////////////////////////////////////////////////////////////