コード例 #1
0
ファイル: Emf7.c プロジェクト: Jeanhwea/petzold-pw5e
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
     ENHMETAHEADER emh ;
     HDC           hdc, hdcEMF ;
     HENHMETAFILE  hemfOld, hemf ;
     PAINTSTRUCT   ps ;
     RECT          rect ;
     
     switch (message)
     {
     case WM_CREATE:
          
               // Retrieve existing metafile and header
          
          hemfOld = GetEnhMetaFile (TEXT ("..\\emf3\\emf3.emf")) ;
          
          GetEnhMetaFileHeader (hemfOld, sizeof (ENHMETAHEADER), &emh) ;
          
               // Create a new metafile DC
          
          hdcEMF = CreateEnhMetaFile (NULL, TEXT ("emf7.emf"), NULL,
                                      TEXT ("EMF7\0EMF Demo #7\0")) ;
          
               // Enumerate the existing metafile
          
          EnumEnhMetaFile (hdcEMF, hemfOld, EnhMetaFileProc, NULL,
                           (RECT *) & emh.rclBounds) ;
          
               // Clean up
          
          hemf = CloseEnhMetaFile (hdcEMF) ;
          
          DeleteEnhMetaFile (hemfOld) ;
          DeleteEnhMetaFile (hemf) ;
          return 0 ;
          
     case WM_PAINT:
          hdc = BeginPaint (hwnd, &ps) ;
          
          GetClientRect (hwnd, &rect) ;
          
          rect.left   =     rect.right  / 4 ;
          rect.right  = 3 * rect.right  / 4 ;
          rect.top    =     rect.bottom / 4 ;
          rect.bottom = 3 * rect.bottom / 4 ;
          
          hemf = GetEnhMetaFile (TEXT ("emf7.emf")) ;
          
          PlayEnhMetaFile (hdc, hemf, &rect) ;
          DeleteEnhMetaFile (hemf) ;
          EndPaint (hwnd, &ps) ;
          return 0 ;
          
     case WM_DESTROY:
          PostQuitMessage (0) ;
          return 0 ;
     }
     return DefWindowProc (hwnd, message, wParam, lParam) ;
}
コード例 #2
0
ファイル: Emf11.c プロジェクト: AaronFae/VimProject
void PaintRoutine (HWND hwnd, HDC hdc, int cxArea, int cyArea)
{
     ENHMETAHEADER emh ;
     HENHMETAFILE  hemf ;
     int           cxMms, cyMms, cxPix, cyPix, cxImage, cyImage ;
     RECT          rect ;
     
     cxMms = GetDeviceCaps (hdc, HORZSIZE) ;
     cyMms = GetDeviceCaps (hdc, VERTSIZE) ;
     cxPix = GetDeviceCaps (hdc, HORZRES) ;
     cyPix = GetDeviceCaps (hdc, VERTRES) ;
     
     hemf = GetEnhMetaFile (TEXT ("emf11.emf")) ;
     
     GetEnhMetaFileHeader (hemf, sizeof (emh), &emh) ;
     
     cxImage = emh.rclFrame.right - emh.rclFrame.left ;
     cyImage = emh.rclFrame.bottom - emh.rclFrame.top ;
     
     cxImage = cxImage * cxPix / cxMms / 100 ;
     cyImage = cyImage * cyPix / cyMms / 100 ;
     
     rect.left   = (cxArea - cxImage) / 2 ;
     rect.top    = (cyArea - cyImage) / 2 ;
     rect.right  = (cxArea + cxImage) / 2 ;
     rect.bottom = (cyArea + cyImage) / 2 ;
     
     PlayEnhMetaFile (hdc, hemf, &rect) ;
   
     DeleteEnhMetaFile (hemf) ;
}
コード例 #3
0
ファイル: Emf5.c プロジェクト: AaronFae/VimProject
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
     HDC          hdc ;
     HENHMETAFILE hemf ;
     PAINTSTRUCT  ps ;
     RECT         rect ;
     
     switch (message)
     {
     case WM_PAINT:
          hdc = BeginPaint (hwnd, &ps) ;
          
          GetClientRect (hwnd, &rect) ;
          
          rect.left   =     rect.right  / 4 ;
          rect.right  = 3 * rect.right  / 4 ;
          rect.top    =     rect.bottom / 4 ;
          rect.bottom = 3 * rect.bottom / 4 ;
          
          hemf = GetEnhMetaFile (TEXT ("..\\emf3\\emf3.emf")) ;
          
          EnumEnhMetaFile (hdc, hemf, EnhMetaFileProc, NULL, &rect) ;
          DeleteEnhMetaFile (hemf) ;
          EndPaint (hwnd, &ps) ;
          return 0 ;
          
     case WM_DESTROY:
          PostQuitMessage (0) ;
          return 0 ;
     }
     return DefWindowProc (hwnd, message, wParam, lParam) ;
}
コード例 #4
0
ファイル: OSiSP1.cpp プロジェクト: LisP94/OSiSP
void OpenEnhMetaFile(HWND hWnd)
{
	OPENFILENAME LFile;
	WCHAR FileName[MAX_PATH], FilePath[MAX_PATH];
	FileName[0] = '\0';
 	FilePath[0] = '\0';
	LFile.lStructSize = sizeof(OPENFILENAME);
	LFile.hwndOwner = hWnd;
	LFile.lpstrFilter =L"EMF (*.emf)\0";
	LFile.lpstrCustomFilter = 0;
	LFile.lpstrFile = FilePath;
	LFile.nMaxFile = MAX_PATH * sizeof(WCHAR);
	LFile.lpstrFileTitle = FileName;
	LFile.nMaxFileTitle = MAX_PATH * sizeof(WCHAR);
	LFile.lpstrInitialDir = 0;
	LFile.lpstrDefExt = L"emf\0";
	LFile.lpstrTitle = L"Open file from:";
	LFile.Flags = OFN_PATHMUSTEXIST;
	GetOpenFileName(&LFile);
	HENHMETAFILE enhFile = GetEnhMetaFile(LFile.lpstrFile);
	RECT client;
	GetClientRect(hWnd, &client);
	client.left += scrhor / 3;
	client.top += scrvert / 3;
	client.right += scrhor / 3;
	client.bottom += scrvert / 3;
	PlayEnhMetaFile(hdc1, enhFile, &client);
	PlayEnhMetaFile(hdc2, enhFile, &client);
	DeleteEnhMetaFile(enhFile);
	InvalidateRect(hWnd, NULL, false);
}
コード例 #5
0
ファイル: ClipBoard.c プロジェクト: tobynet/clcl
/*
 * clipboard_file_to_data - ファイルからデータを作成
 */
HANDLE clipboard_file_to_data(const TCHAR *file_name, TCHAR *format_name, DWORD *ret_size, TCHAR *err_str)
{
	HANDLE ret = NULL;
	BYTE *data;
	BYTE *mem;
	DWORD size;

	switch (clipboard_get_format(0, format_name)) {
	case CF_OWNERDISPLAY:
		return NULL;

	case CF_DSPMETAFILEPICT:
	case CF_METAFILEPICT:
		// メタファイル
		if ((ret = GlobalAlloc(GHND, sizeof(METAFILEPICT))) == NULL) {
			message_get_error(GetLastError(), err_str);
			return NULL;
		}
		if ((mem = GlobalLock(ret)) == NULL) {
			message_get_error(GetLastError(), err_str);
			GlobalFree(ret);
			return NULL;
		}
		if ((((METAFILEPICT *)mem)->hMF = GetMetaFile(file_name)) == NULL) {
			message_get_error(GetLastError(), err_str);
			GlobalUnlock(ret);
			GlobalFree(ret);
			return NULL;
		}
		size = GetMetaFileBitsEx(((METAFILEPICT *)mem)->hMF, 0, NULL);
		GlobalUnlock(ret);
		break;

	case CF_DSPENHMETAFILE:
	case CF_ENHMETAFILE:
		if ((ret = GetEnhMetaFile(file_name)) == NULL) {
			message_get_error(GetLastError(), err_str);
		}
		size = GetEnhMetaFileBits(ret, 0, NULL);
		break;

	default:
		// その他
		// ファイルの読み込み
		if ((data = file_read_buf(file_name, &size, err_str)) == NULL) {
			return NULL;
		}
		// バイト列をデータに変換
		ret = clipboard_bytes_to_data(format_name, data, &size);
		mem_free(&data);
		break;
	}
	if (ret_size != NULL) {
		*ret_size = size;
	}
	return ret;
}
コード例 #6
0
VOID OpenImage(HWND hWnd, LPCWSTR fileName)
{
	HDC windowDC = GetDC(hWnd);
	HENHMETAFILE hemf = GetEnhMetaFile(fileName);  
	GetClientRect(hWnd, &rect); 
	ClearWindow(memoryDC);
	RefreshMetafileDC(hWnd);
	PlayEnhMetaFile(memoryDC, hemf, &rect);
	PlayEnhMetaFile(metafileDC, hemf, &rect);
	ReleaseDC(hWnd, windowDC); 
	DeleteEnhMetaFile(hemf);
}
コード例 #7
0
ファイル: emf.cpp プロジェクト: b2kguga/CodesAndNotes
HENHMETAFILE QueryOpenEMFFile(TCHAR szFileName[])
{
	KFileDialog fd;

	if ( fd.GetOpenFileName(NULL, _T("emf|spl"), _T("Enhanced Metafiles|Win NT/2000 EMF Spool Files")) )
	{
		if ( szFileName )
			_tcscpy(szFileName, fd.m_TitleName);
		
		return  GetEnhMetaFile(fd.m_TitleName);
	}
	else
		return NULL;
}
コード例 #8
0
ファイル: enhmeta.cpp プロジェクト: gitrider/wxsj2
void wxEnhMetaFile::Init()
{
    if ( m_filename.empty() )
    {
        m_hMF = 0;
    }
    else // have valid file name, load metafile from it
    {
        m_hMF = GetEnhMetaFile(m_filename);
        if ( !m_hMF )
            wxLogSysError(_("Failed to load metafile from file \"%s\"."),
                          m_filename.c_str());
    }
}
コード例 #9
0
ファイル: CANVAS.CPP プロジェクト: wcardozo/fengyuan
BOOL KCanvasWindow::LoadEmfFile(const char *filename)
{
	HENHMETAFILE  hNew;
	int			  len;

	hNew = GetEnhMetaFile(filename);
	
	if (hNew!=NULL)							// standard EMF file
	{
		len = GetEnhMetaFileHeader(hNew, sizeof(MetaHeader), &MetaHeader);
		assert(len != 0);
	}
	else
	{
		KInputFile * ntemf = new KInputFile;

		if (ntemf==NULL)
			return FALSE;

		if (!ntemf->Open(filename))
			return FALSE;

		if (!CheckNTSpoolEmfFile(ntemf, & MetaHeader))
		{
			ntemf->Close();
			return FALSE;
		}

		if (hNTMetaFile)
			delete hNTMetaFile;

		hNTMetaFile = ntemf;
	}

	if (hMetaFile)
		DeleteEnhMetaFile(hMetaFile);
	hMetaFile = hNew;

	strcpy(CurEmfFileName, filename);
	
	// make sure canvas window in visible and big enough, by resizing it's parent
	EmfScope.WakeUp();
	SetScaleColor(0, 0);	// force redraw with current scale

	return TRUE;
}
コード例 #10
0
ファイル: gretlwin32.c プロジェクト: HelioGuilherme66/gretl
int emf_to_clipboard (char *emfname)
{
    HWND mainw;
    HENHMETAFILE hemf, hemfclip;
    HANDLE htest;

    mainw = GDK_WINDOW_HWND(mdata->main->window);
    if (mainw == NULL) {
	errbox("Got NULL HWND");
	return 1;
    }	

    if (!OpenClipboard(mainw)) {
	errbox(_("Cannot open the clipboard"));
	return 1;
    }

    EmptyClipboard();

    hemf = GetEnhMetaFile(emfname);
    if (hemf == NULL) {
	errbox("Couldn't get handle to graphic metafile");
	return 1;
    }

    hemfclip = CopyEnhMetaFile(hemf, NULL);
    if (hemfclip == NULL) {
	errbox("Couldn't copy graphic metafile");
	return 1;
    }    

    htest = SetClipboardData(CF_ENHMETAFILE, hemfclip);
    if (htest == NULL) {
	errbox("Failed to put data on clipboard");
	return 1;
    }  	

    CloseClipboard();
    DeleteEnhMetaFile(hemf);

    return 0;
}
コード例 #11
0
ファイル: femmplotDoc.cpp プロジェクト: philm001/Omni-FEM
BOOL CFemmplotDoc::OnOpenDocument(LPCTSTR lpszPathName) 
{
	if (!CDocument::OnOpenDocument(lpszPathName))
		return FALSE;
	
	// clear out any old metafile;
	DeleteEnhMetaFile(hMetaPlot);
	HasBoundingBox=FALSE;
	HENHMETAFILE hMetaPlotFile = GetEnhMetaFile(lpszPathName);
	if (hMetaPlotFile!=NULL){
		DWORD len =(DWORD) GetEnhMetaFileBits(hMetaPlotFile,NULL,NULL);
		unsigned char *buff=(unsigned char *) malloc(len);
		if(GetEnhMetaFileBits(hMetaPlotFile,len,buff)==0)
			MsgBox("MetaFile not copied");
		hMetaPlot=SetEnhMetaFileBits(len,buff);
	}
	else MsgBox("Problem opening specified file");

	DeleteEnhMetaFile(hMetaPlotFile);

	// TODO: Add your specialized creation code here
	
	return TRUE;
}
コード例 #12
0
ファイル: emf.c プロジェクト: 0xPr0xy/ImageMagick
static HENHMETAFILE ReadEnhMetaFile(const char *path,long *width,
  long *height)
{
#pragma pack( push )
#pragma pack( 2 )
  typedef struct
  {
    DWORD dwKey;
    WORD hmf;
    SMALL_RECT bbox;
    WORD wInch;
    DWORD dwReserved;
    WORD wCheckSum;
  } APMHEADER, *PAPMHEADER;
#pragma pack( pop )

  DWORD
    dwSize;

  ENHMETAHEADER
    emfh;

  HANDLE
    hFile;

  HDC
    hDC;

  HENHMETAFILE
    hTemp;

  LPBYTE
    pBits;

  METAFILEPICT
    mp;

  HMETAFILE
    hOld;

  *width=512;
  *height=512;
  hTemp=GetEnhMetaFile(path);
#if defined(MAGICKCORE_HAVE__WFOPEN)
  if (hTemp == (HENHMETAFILE) NULL)
    {
      wchar_t
        *unicode_path;

      unicode_path=ConvertUTF8ToUTF16(path);
      if (unicode_path != (wchar_t *) NULL)
        {
          hTemp=GetEnhMetaFileW(unicode_path);
          unicode_path=(wchar_t *) RelinquishMagickMemory(unicode_path);
        }
    }
#endif
  if (hTemp != (HENHMETAFILE) NULL)
    {
      /*
        Enhanced metafile.
      */
      GetEnhMetaFileHeader(hTemp,sizeof(ENHMETAHEADER),&emfh);
      *width=emfh.rclFrame.right-emfh.rclFrame.left;
      *height=emfh.rclFrame.bottom-emfh.rclFrame.top;
      return(hTemp);
    }
  hOld=GetMetaFile(path);
  if (hOld != (HMETAFILE) NULL)
    {
      /*
        16bit windows metafile.
      */
      dwSize=GetMetaFileBitsEx(hOld,0,NULL);
      if (dwSize == 0)
        {
          DeleteMetaFile(hOld);
          return((HENHMETAFILE) NULL);
        }
      pBits=(LPBYTE) AcquireQuantumMemory(dwSize,sizeof(*pBits));
      if (pBits == (LPBYTE) NULL)
        {
          DeleteMetaFile(hOld);
          return((HENHMETAFILE) NULL);
        }
      if (GetMetaFileBitsEx(hOld,dwSize,pBits) == 0)
        {
          pBits=(BYTE *) DestroyString((char *) pBits);
          DeleteMetaFile(hOld);
          return((HENHMETAFILE) NULL);
        }
      /*
        Make an enhanced metafile from the windows metafile.
      */
      mp.mm=MM_ANISOTROPIC;
      mp.xExt=1000;
      mp.yExt=1000;
      mp.hMF=NULL;
      hDC=GetDC(NULL);
      hTemp=SetWinMetaFileBits(dwSize,pBits,hDC,&mp);
      ReleaseDC(NULL,hDC);
      DeleteMetaFile(hOld);
      pBits=(BYTE *) DestroyString((char *) pBits);
      GetEnhMetaFileHeader(hTemp,sizeof(ENHMETAHEADER),&emfh);
      *width=emfh.rclFrame.right-emfh.rclFrame.left;
      *height=emfh.rclFrame.bottom-emfh.rclFrame.top;
      return(hTemp);
    }
  /*
    Aldus Placeable metafile.
  */
  hFile=CreateFile(path,GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,
    NULL);
  if (hFile == INVALID_HANDLE_VALUE)
    return(NULL);
  dwSize=GetFileSize(hFile,NULL);
  pBits=(LPBYTE) AcquireQuantumMemory(dwSize,sizeof(*pBits));
  ReadFile(hFile,pBits,dwSize,&dwSize,NULL);
  CloseHandle(hFile);
  if (((PAPMHEADER) pBits)->dwKey != 0x9ac6cdd7l)
    {
      pBits=(BYTE *) DestroyString((char *) pBits);
      return((HENHMETAFILE) NULL);
    }
  /*
    Make an enhanced metafile from the placable metafile.
  */
  mp.mm=MM_ANISOTROPIC;
  mp.xExt=((PAPMHEADER) pBits)->bbox.Right-((PAPMHEADER) pBits)->bbox.Left;
  *width=mp.xExt;
  mp.xExt=(mp.xExt*2540l)/(DWORD) (((PAPMHEADER) pBits)->wInch);
  mp.yExt=((PAPMHEADER)pBits)->bbox.Bottom-((PAPMHEADER) pBits)->bbox.Top;
  *height=mp.yExt;
  mp.yExt=(mp.yExt*2540l)/(DWORD) (((PAPMHEADER) pBits)->wInch);
  mp.hMF=NULL;
  hDC=GetDC(NULL);
  hTemp=SetWinMetaFileBits(dwSize,&(pBits[sizeof(APMHEADER)]),hDC,&mp);
  ReleaseDC(NULL,hDC);
  pBits=(BYTE *) DestroyString((char *) pBits);
  return(hTemp);
}
コード例 #13
0
ファイル: pvdWMF.cpp プロジェクト: FarManagerLegacy/PicView
BOOL __stdcall pvdFileOpen2(void *pContext, const wchar_t *pFileName, INT64 lFileSize, const BYTE *pBuf, UINT32 lBuf, pvdInfoImage2 *pImageInfo)
{
	_ASSERTE(pImageInfo->cbSize >= sizeof(pvdInfoImage2));

	WmfContext *pw = (WmfContext*)CALLOC(sizeof(WmfContext));
	if (!pw) {
		pImageInfo->nErrNumber = PWE_NOT_ENOUGH_MEMORY;
		return FALSE;
	}
	//pw->h = GetEnhMetaFile ( pFileName+4 );

	const wchar_t *p = GetExtension(pFileName);
	if (!p) {
		pImageInfo->nErrNumber = PWE_NO_EXTENSION;
		return FALSE;
	}

	pImageInfo->nErrNumber = PWE_WIN32_ERROR; // заранее

	//if (pImageInfo->PreferredSize.cx && pImageInfo->PreferredSize.cy) {
	//	pw->PreferredSize = pImageInfo->PreferredSize;
	//} else {
	pw->PreferredSize.cx = 1000; pw->PreferredSize.cy = 1000;
	//}

	// First try to read it as an enhanced metafile
	// If it works, simply return the handle
	pw->h = SetEnhMetaFileBits(lBuf, pBuf);
	gnLastWin32Error = GetLastError();

	if (!pw->h) {
		pw->h = GetEnhMetaFile( pFileName );
		gnLastWin32Error = GetLastError();
	}

	if (!pw->h) {
		HMETAFILE		hOld;
		DWORD			dwSize;
		LPBYTE			pBits;
		METAFILEPICT	mp;
		HDC				hDC;

		if( (hOld = GetMetaFile( pFileName )) != NULL )
		{
			// Ok, it is a 16bit windows metafile
			// How big are the bits?
			if( (dwSize = GetMetaFileBitsEx( hOld, 0, NULL )) == 0 )
			{
				gnLastWin32Error = GetLastError();
				DeleteMetaFile( hOld );
				//MessageBox( hWndParent, "Failed to Get MetaFile Bits Size", "Error Reading MetaFile", MB_OK );
			} else {
				// Allocate that much memory
				if( (pBits = (LPBYTE)CALLOC( dwSize )) == NULL )
				{
					pImageInfo->nErrNumber = PWE_NOT_ENOUGH_MEMORY;
					gnLastWin32Error = GetLastError();
					DeleteMetaFile( hOld );
					//MessageBox( hWndParent, "Failed to Allocate Memory for Metafile Bits", "Error Reading MetaFile", MB_OK );
					//return NULL;
				} else {
					// Get the metafile bits
					if( GetMetaFileBitsEx( hOld, dwSize, pBits ) == 0 )
					{
						gnLastWin32Error = GetLastError();
						FREE( pBits );
						DeleteMetaFile( hOld );
						//MessageBox( hWndParent, "Failed to Get MetaFile Bits", "Error Reading MetaFile", MB_OK );
						//return NULL;
					} else {
						// Fill out a METAFILEPICT structure
						mp.mm = MM_ANISOTROPIC;
						mp.xExt = 1000;
						mp.yExt = 1000;
						mp.hMF = NULL;
						// Get a reference DC
						hDC = GetDC( NULL );
						// Make an enhanced metafile from the windows metafile
						pw->h = SetWinMetaFileBits( dwSize, pBits, hDC, &mp );
						gnLastWin32Error = GetLastError();
						// Clean up
						ReleaseDC( NULL, hDC );
						DeleteMetaFile( hOld );
						FREE( pBits );
					}
				}
			}
		}
	}

	if (!pw->h) {
		DWORD			dwSize = lBuf;
		LPBYTE			pBits = (LPBYTE)pBuf;
		METAFILEPICT	mp;
		HDC				hDC;

		// Is it a placeable metafile? (check the key)
		if( ((PAPMHEADER)pBits)->dwKey != 0x9ac6cdd7l )
		{
			// Not a metafile that we know how to recognise - bail out
			//MessageBox( hWndParent, "Not a Valid Metafile", szFileName, MB_OK );
			//return NULL;
			pImageInfo->nErrNumber = PWE_NOT_VALID_METAFILE;
		} else {
			// Ok, its a placeable metafile
			// Fill out a METAFILEPICT structure
			mp.mm = MM_ANISOTROPIC;
			mp.xExt = ((PAPMHEADER)pBits)->bbox.Right - ((PAPMHEADER)pBits)->bbox.Left;
			mp.xExt = ( mp.xExt * 2540l ) / (DWORD)(((PAPMHEADER)pBits)->wInch);
			mp.yExt = ((PAPMHEADER)pBits)->bbox.Bottom - ((PAPMHEADER)pBits)->bbox.Top;
			mp.yExt = ( mp.yExt * 2540l ) / (DWORD)(((PAPMHEADER)pBits)->wInch);
			mp.hMF = NULL;
			// Get a reference DC
			hDC = GetDC( NULL );
			// Create an enhanced metafile from the bits
			pw->h = SetWinMetaFileBits( dwSize, &(pBits[sizeof(APMHEADER)]), hDC, &mp );
			gnLastWin32Error = GetLastError();
			// Clean up
			ReleaseDC( NULL, hDC );
			//free( pBits );
			//if( hTemp == NULL )
			//	MessageBox( hWndParent, "Failed to Create MetaFile from Bits", "Error Reading MetaFile", MB_OK );
			//return hTemp;
		}
	}

	//if (pw->h) {
	//	//pw->hCompDC = CreateCompatibleDC(NULL);
	//	pw->mfp.mm = MM_ISOTROPIC;
	//	pw->mfp.xExt = pw->PreferredSize.cx;
	//	pw->mfp.yExt = pw->PreferredSize.cy;
	//	pw->h = (HENHMETAFILE)SetMetaFileBitsEx (lBuf, pBuf);
	//	gnLastWin32Error = GetLastError();
	//	pw->h = SetWinMetaFileBits(lBuf, pBuf, NULL, NULL); //pw->hCompDC, &pw->mfp);
	//	gnLastWin32Error = GetLastError();
	//}

	if (!pw->h) {
		//gnLastWin32Error = GetLastError(); -- уже
		FREE(pw);
		return FALSE;
	}

	pw->AddRef();
	_ASSERTE(pw->nRefCount == 1);

	ENHMETAHEADER	emh = {0};
	DWORD			PixelsX, PixelsY, MMX, MMY;
	emh.nSize = sizeof(ENHMETAHEADER);
	if( GetEnhMetaFileHeader( pw->h, sizeof( ENHMETAHEADER ), &emh ) )
	{
		// Get the characteristics of the output device
		HDC hDC = GetDC(NULL);
		PixelsX = GetDeviceCaps( hDC, HORZRES );
		PixelsY = GetDeviceCaps( hDC, VERTRES );
		MMX = GetDeviceCaps( hDC, HORZSIZE ) * 100;
		MMY = GetDeviceCaps( hDC, VERTSIZE ) * 100;
		ReleaseDC(NULL, hDC);

		// Calculate the rect in which to draw the metafile based on the
		// intended size and the current output device resolution
		// Remember that the intended size is given in 0.01mm units, so
		// convert those to device units on the target device
		//pw->PreferredSize.cx = (int)((float)(emh.rclFrame.right - emh.rclFrame.left) * PixelsX / (MMX));
		//pw->PreferredSize.cy = (int)((float)(emh.rclFrame.bottom - emh.rclFrame.top) * PixelsY / (MMY));
		pw->PreferredSize.cx = ip.MulDivI32((emh.rclFrame.right - emh.rclFrame.left), PixelsX, MMX);
		pw->PreferredSize.cy = ip.MulDivI32((emh.rclFrame.bottom - emh.rclFrame.top), PixelsY, MMY);
		_ASSERTE(pw->PreferredSize.cx>0 && pw->PreferredSize.cy>0);
		if (pw->PreferredSize.cx < 0) pw->PreferredSize.cx = -pw->PreferredSize.cx;
		if (pw->PreferredSize.cy < 0) pw->PreferredSize.cy = -pw->PreferredSize.cy;
	}

	pImageInfo->pImageContext = pw;
	pImageInfo->nPages = 1;
	pImageInfo->Flags = 0;
	pImageInfo->pFormatName = L"WMF";
	pImageInfo->pCompression = NULL;
	pImageInfo->pComments = NULL;

	return TRUE;
}
コード例 #14
0
ファイル: emf.c プロジェクト: CliffsDover/graphicsmagick
static HENHMETAFILE ReadEnhMetaFile(const char *szFileName,long *width,
  long *height)
{
#pragma pack( push, 2 )
  typedef struct
  {
    DWORD dwKey;
    WORD hmf;
    SMALL_RECT bbox;
    WORD wInch;
    DWORD dwReserved;
    WORD wCheckSum;
  } APMHEADER, *PAPMHEADER;
#pragma pack( pop )

  DWORD
    dwSize;

  ENHMETAHEADER
    emfh;

  HANDLE
    hFile;

  HDC
    hDC;

  HENHMETAFILE
    hTemp;

  LPBYTE
    pBits;

  METAFILEPICT
    mp;

  HMETAFILE
    hOld;

  *width=512;
  *height=512;
  hTemp=GetEnhMetaFile(szFileName);
  if (hTemp != (HENHMETAFILE) NULL)
    {
      /*
        Enhanced metafile.
      */
      GetEnhMetaFileHeader(hTemp,sizeof(ENHMETAHEADER),&emfh);
      *width=emfh.rclFrame.right-emfh.rclFrame.left;
      *height=emfh.rclFrame.bottom-emfh.rclFrame.top;
      return(hTemp);
    }
  hOld=GetMetaFile(szFileName);
  if (hOld != (HMETAFILE) NULL)
    {
      /*
        16bit windows metafile.
      */
      dwSize=GetMetaFileBitsEx(hOld,0,NULL);
      if (dwSize == 0)
        {
          DeleteMetaFile(hOld);
          return((HENHMETAFILE) NULL);
        }
      pBits=MagickAllocateMemory(LPBYTE,dwSize);
      if (pBits == (LPBYTE) NULL)
        {
          DeleteMetaFile(hOld);
          return((HENHMETAFILE) NULL);
        }
      if (GetMetaFileBitsEx(hOld,dwSize,pBits) == 0)
        {
          MagickFreeMemory(pBits);
          DeleteMetaFile(hOld);
          return((HENHMETAFILE) NULL);
        }
      /*
        Make an enhanced metafile from the windows metafile.
      */
      mp.mm=MM_ANISOTROPIC;
      mp.xExt=1000;
      mp.yExt=1000;
      mp.hMF=NULL;
      hDC=GetDC(NULL);
      hTemp=SetWinMetaFileBits(dwSize,pBits,hDC,&mp);
      ReleaseDC(NULL,hDC);
      DeleteMetaFile(hOld);
      MagickFreeMemory(pBits);
      GetEnhMetaFileHeader(hTemp,sizeof(ENHMETAHEADER),&emfh);
      *width=emfh.rclFrame.right-emfh.rclFrame.left;
      *height=emfh.rclFrame.bottom-emfh.rclFrame.top;
      return(hTemp);
    }
  /*
    Aldus Placeable metafile.
  */
  hFile=CreateFile(szFileName,GENERIC_READ,0,NULL,OPEN_EXISTING,
    FILE_ATTRIBUTE_NORMAL,NULL);
  if (hFile == INVALID_HANDLE_VALUE)
    return(NULL);
  dwSize=GetFileSize(hFile,NULL);
  pBits=MagickAllocateMemory(LPBYTE,dwSize);
  ReadFile(hFile,pBits,dwSize,&dwSize,NULL);
  CloseHandle(hFile);
  if (((PAPMHEADER) pBits)->dwKey != 0x9ac6cdd7l)
    {
      MagickFreeMemory(pBits);
      return((HENHMETAFILE) NULL);
    }
  /*
    Make an enhanced metafile from the placable metafile.
  */
  mp.mm=MM_ANISOTROPIC;
  mp.xExt=((PAPMHEADER) pBits)->bbox.Right-((PAPMHEADER) pBits)->bbox.Left;
  *width=mp.xExt;
  mp.xExt=(mp.xExt*2540l)/(DWORD) (((PAPMHEADER) pBits)->wInch);
  mp.yExt=((PAPMHEADER)pBits)->bbox.Bottom-((PAPMHEADER) pBits)->bbox.Top;
  *height=mp.yExt;
  mp.yExt=(mp.yExt*2540l)/(DWORD) (((PAPMHEADER) pBits)->wInch);
  mp.hMF=NULL;
  hDC=GetDC(NULL);
  hTemp=SetWinMetaFileBits(dwSize,&(pBits[sizeof(APMHEADER)]),hDC,&mp);
  ReleaseDC(NULL,hDC);
  MagickFreeMemory(pBits);
  return(hTemp);
}