void CGelView::OnEditCopy()
{
if ( !OpenClipboard() ) {
AfxMessageBox("Cannot Open Clipboard", MB_OK | MB_ICONEXCLAMATION);
return;
}
if ( !EmptyClipboard() ) {
AfxMessageBox("Cannot Empty Clipboard", MB_OK | MB_ICONEXCLAMATION);
return;
}
CGenedocDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
CDC* pDC = GetDC();
double xpi = (double)pDC->GetDeviceCaps(HORZSIZE) / (double)pDC->GetDeviceCaps(HORZRES);
double ypi = (double)pDC->GetDeviceCaps(VERTSIZE) / (double)pDC->GetDeviceCaps(VERTRES);
double tXSize, tYSize;
tXSize = GetGelSize().cx * xpi * 100.0;
tYSize = GetGelSize().cy * ypi * 100.0;
CRect rectView(0,0,(int)tXSize, (int)tYSize );
CMetaFileDC dcMeta;
dcMeta.CreateEnhanced(pDC, NULL, rectView, "GeneDoc\0MetaFile\0\0" );
dcMeta.SetAttribDC( pDC->m_hAttribDC );
OnPrepareDC( &dcMeta );
DrawGel( &dcMeta, rectView );
HENHMETAFILE hMeta = dcMeta.CloseEnhanced();
if ( SetClipboardData(CF_ENHMETAFILE, hMeta) == NULL ) {
AfxMessageBox( "Select Failed in SetClipBoardData", MB_OK | MB_ICONEXCLAMATION );
}
// CBitmap
//
if ( !CloseClipboard() ) {
AfxMessageBox( "CloseClipboard Failed", MB_OK | MB_ICONEXCLAMATION );
}
ReleaseDC(pDC); // Moved this down here so nt4.0 would work.
return;
}
void CFDMSView::OnEditCopy()
{
if (testGraph)
{
CMetaFileDC * pMetaDC = new CMetaFileDC();
pMetaDC->CreateEnhanced(GetDC(),NULL,NULL,testGraph->GetGraphTitle());
//draw meta file
//do what ever you want to do: bitmaps, lines, text...
if (testGraph)
testGraph->DrawGraph(pMetaDC);
//close meta file dc and prepare for clipboard;
HENHMETAFILE hMF = pMetaDC->CloseEnhanced();
//copy to clipboard
OpenClipboard();
EmptyClipboard();
::SetClipboardData(CF_ENHMETAFILE,hMF);
CloseClipboard();
//DeleteMetaFile(hMF);
delete pMetaDC;
}
}
void CMFCDCView::OnDcMetafiledc()
{
// TODO: Add your command handler code here
//1 创建
CMetaFileDC meta;
meta.Create();
//2 绘制
meta.TextOut(200,200,"Hello MetaFile");
meta.MoveTo(200,200);
meta.LineTo(400,200);
//3 关闭
m_hMetaFile=meta.Close();
//4 使用CMetaFile
CClientDC dc(this);
dc.PlayMetaFile(m_hMetaFile);
}
void CGelView::OnEditCopy()
{
if ( !OpenClipboard() ) {
AfxMessageBox("Cannot Open Clipboard", MB_OK | MB_ICONEXCLAMATION);
return;
}
if ( !EmptyClipboard() ) {
AfxMessageBox("Cannot Empty Clipboard", MB_OK | MB_ICONEXCLAMATION);
return;
}
CGenedocDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
CMetaFileDC dcMeta;
dcMeta.Create();
CDC* pDC = GetDC();
double ypi = pDC->GetDeviceCaps(LOGPIXELSY);
double xpi = pDC->GetDeviceCaps(LOGPIXELSX);
int x = (int)((double)GetGelSize().cx/100.0 * xpi);
int y = (int)((double)GetGelSize().cy/100.0 * ypi);
CSize tSize(x,y);
pDC->DPtoHIMETRIC(&tSize);
dcMeta.SetAttribDC( pDC->m_hAttribDC );
OnPrepareDC( &dcMeta );
DrawGel( &dcMeta, CRect( 0, 0, tSize.cx, tSize.cy ) );
HGLOBAL hMF = GlobalAlloc( GMEM_DDESHARE | GMEM_ZEROINIT | GMEM_MOVEABLE , sizeof(METAFILEPICT) );
METAFILEPICT *pMFP = (METAFILEPICT *)GlobalLock( hMF );
pMFP->mm = MM_ANISOTROPIC;
pMFP->xExt = tSize.cx;
pMFP->yExt = tSize.cy;
HMETAFILE hMeta = dcMeta.Close();
pMFP->hMF = hMeta;
GlobalUnlock( hMF );
if ( SetClipboardData(CF_METAFILEPICT, hMF) == NULL ) {
AfxMessageBox( "Select Failed in SetClipBoardData", MB_OK | MB_ICONEXCLAMATION );
}
// CBitmap
//
if ( !CloseClipboard() ) {
AfxMessageBox( "CloseClipboard Failed", MB_OK | MB_ICONEXCLAMATION );
}
ReleaseDC( pDC ); // Moved this down here, needs testing.
return;
}
BOOL COleServerItem::GetMetafileData(LPFORMATETC lpFormatEtc, LPSTGMEDIUM lpStgMedium)
{
ASSERT_VALID(this);
ASSERT(AfxIsValidAddress(lpFormatEtc, sizeof(FORMATETC), FALSE));
ASSERT(AfxIsValidAddress(lpStgMedium, sizeof(STGMEDIUM)));
ASSERT(lpStgMedium->tymed == TYMED_NULL); // GetDataHere not valid
ASSERT(lpStgMedium->pUnkForRelease == NULL);
// medium must be TYMED_MFPICT -- cannot fill in existing HGLOBAL
if (!(lpFormatEtc->tymed & TYMED_MFPICT) || lpStgMedium->hGlobal != NULL)
return FALSE;
// create appropriate memory metafile DC
CMetaFileDC dc;
if (!dc.Create())
return FALSE;
// create attribute DC according to lpFormatEtc->ptd
HDC hAttribDC = _AfxOleCreateDC(lpFormatEtc->ptd);
if (hAttribDC == NULL)
return FALSE;
dc.SetAttribDC(hAttribDC);
// Paint directly into the metafile.
CSize size(0, 0);
BOOL bResult = OnDrawEx(&dc, (DVASPECT)lpFormatEtc->dwAspect, size);
// attribute DC is no longer necessary
dc.SetAttribDC(NULL);
::DeleteDC(hAttribDC);
if (!bResult)
{
#ifdef _DEBUG
if (afxTraceFlags & traceOle)
TRACE0("calling COleServerItem::OnDrawEx()failed.\n");
#endif
return FALSE;
}
HMETAFILE hMF = dc.Close();
if (hMF == NULL)
return FALSE;
HGLOBAL hPict;
if ((hPict =
::GlobalAlloc(GMEM_SHARE|GMEM_MOVEABLE, sizeof(METAFILEPICT))) == NULL)
{
DeleteMetaFile(hMF);
return FALSE;
}
LPMETAFILEPICT lpPict;
if ((lpPict = (LPMETAFILEPICT)::GlobalLock(hPict)) == NULL)
{
DeleteMetaFile(hMF);
::GlobalFree(hPict);
return FALSE;
}
// set the metafile size
lpPict->mm = MM_ANISOTROPIC;
lpPict->hMF = hMF;
if (size.cx == 0 && size.cy == 0 &&
!OnGetExtent((DVASPECT)lpFormatEtc->dwAspect, size))
{
TRACE0("Warning: OnGetExtent failed during OnDrawEx --\n");
TRACE0("\tpresentation metafile may be badly formed!\n");
}
lpPict->xExt = size.cx;
lpPict->yExt = size.cy; // HIMETRIC height
if (lpPict->yExt < 0)
{
TRACE0("Warning: HIMETRIC natural size is negative.\n");
lpPict->yExt = -lpPict->yExt; // backward compatibility fix
}
#ifdef _DEBUG
if (lpPict->xExt == 0 || lpPict->yExt == 0)
{
// usually the natural extent is set to something interesting
TRACE0("Warning: COleServerItem has no natural size --\n");
TRACE0("\twill not work with some apps like MS Write.\n");
}
#endif
// return the medium with the hGlobal to the METAFILEPICT
::GlobalUnlock(hPict);
lpStgMedium->hGlobal = hPict;
lpStgMedium->tymed = TYMED_MFPICT;
return TRUE;
}
