126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
// ScribItm.cpp : implementation of the CScribbleItem class
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//
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// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992-1997 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and related
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// electronic documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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#include "stdafx.h"
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#include "Scribble.h"
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#include "ScribDoc.h"
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#include "ScribItm.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CScribbleItem implementation
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IMPLEMENT_DYNAMIC(CScribbleItem, COleServerItem)
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CScribbleItem::CScribbleItem(CScribbleDoc* pContainerDoc)
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: COleServerItem(pContainerDoc, TRUE)
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{
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// TODO: add one-time construction code here
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// (eg, adding additional clipboard formats to the item's data source)
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}
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CScribbleItem::~CScribbleItem()
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{
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// TODO: add cleanup code here
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}
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void CScribbleItem::Serialize(CArchive& ar)
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{
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// CScribbleItem::Serialize will be called by the framework if
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// the item is copied to the clipboard. This can happen automatically
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// through the OLE callback OnGetClipboardData. A good default for
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// the embedded item is simply to delegate to the document's Serialize
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// function. If you support links, then you will want to serialize
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// just a portion of the document.
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if (!IsLinkedItem())
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{
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CScribbleDoc* pDoc = GetDocument();
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ASSERT_VALID(pDoc);
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pDoc->Serialize(ar);
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}
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}
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BOOL CScribbleItem::OnGetExtent(DVASPECT dwDrawAspect, CSize& rSize)
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{
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// Most applications, like this one, only handle drawing the content
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// aspect of the item. If you wish to support other aspects, such
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// as DVASPECT_THUMBNAIL (by overriding OnDrawEx), then this
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// implementation of OnGetExtent should be modified to handle the
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// additional aspect(s).
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if (dwDrawAspect != DVASPECT_CONTENT)
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return COleServerItem::OnGetExtent(dwDrawAspect, rSize);
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// CScribbleItem::OnGetExtent is called to get the extent in
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// HIMETRIC units of the entire item. The default implementation
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// here simply returns a hard-coded number of units.
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CScribbleDoc* pDoc = GetDocument();
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ASSERT_VALID(pDoc);
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rSize = pDoc->GetDocSize();
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CClientDC dc(NULL);
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// use a mapping mode based on logical units
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// (we can't use MM_LOENGLISH because MM_LOENGLISH uses physical inches)
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dc.SetMapMode(MM_ANISOTROPIC);
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dc.SetViewportExt(dc.GetDeviceCaps(LOGPIXELSX), dc.GetDeviceCaps(LOGPIXELSY));
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dc.SetWindowExt(100, -100);
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dc.LPtoHIMETRIC(&rSize);
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return TRUE;
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}
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BOOL CScribbleItem::OnDraw(CDC* pDC, CSize& /* rSize */)
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{
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CScribbleDoc* pDoc = GetDocument();
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ASSERT_VALID(pDoc);
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pDC->SetMapMode(MM_ANISOTROPIC);
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CSize sizeDoc = pDoc->GetDocSize();
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sizeDoc.cy = -sizeDoc.cy;
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pDC->SetWindowOrg(0,0);
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pDC->SetWindowExt(sizeDoc);
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CTypedPtrList<CObList,CStroke*>& strokeList = pDoc->m_strokeList;
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POSITION pos = strokeList.GetHeadPosition();
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while (pos != NULL)
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{
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strokeList.GetNext(pos)->DrawStroke(pDC);
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}
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return TRUE;
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}
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/////////////////////////////////////////////////////////////////////////////
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// CScribbleItem diagnostics
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#ifdef _DEBUG
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void CScribbleItem::AssertValid() const
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{
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COleServerItem::AssertValid();
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}
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void CScribbleItem::Dump(CDumpContext& dc) const
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{
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COleServerItem::Dump(dc);
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}
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#endif
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/////////////////////////////////////////////////////////////////////////////
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