예제 #1
0
void EMFRecordEditorFrame::GetRecordListFromFile()
{
    HENHMETAFILE hMeta = ReadEnhMetaFile(m_file.GetFullPath(), GetHwnd());
    if (!hMeta)
        return;

    // get meta header
    if (GetEnhMetaFileHeader(hMeta, sizeof(g_hMetaHeader), &g_hMetaHeader) != 
        sizeof(ENHMETAHEADER))
        return;

    // init data touched by the callback
    FreeEMFStuff();
    g_pHandleTable = NULL;
    g_nHandles = 0;
    g_pMetaRecords = NULL;
    g_nRecords = 0;
    g_nRecordsMax = 0;
    m_pList->DeleteAllItems();

    // get the list of meta records
    EnumEnhMetaFile( NULL, 
                     hMeta, 
                     (ENHMFENUMPROC)EnumEnhMetafileProc, 
                     (LPVOID)m_pList, 
                     NULL );

    DeleteEnhMetaFile(hMeta);

    // update GUI
    m_pList->SetColumnWidth(0, wxLIST_AUTOSIZE);
    m_pList->SetColumnWidth(1, wxLIST_AUTOSIZE);

    SetStatusText(wxString::Format(wxT("%d records"), g_nRecords), 2);
}
예제 #2
0
void EMFPreviewWindow::DrawEMF(const wxString &file)
{
    m_meta = ReadEnhMetaFile(file.c_str(), GetHwnd());
    Refresh();
}
예제 #3
0
파일: emf.c 프로젝트: 0xPr0xy/ImageMagick
static Image *ReadEMFImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  BITMAPINFO
    DIBinfo;

  HBITMAP
    hBitmap,
    hOldBitmap;

  HDC
    hDC;

  HENHMETAFILE
    hemf;

  Image
    *image;

  long
    height,
    width,
    y;

  RECT
    rect;

  register long
    x;

  register PixelPacket
    *q;

  RGBQUAD
    *pBits,
    *ppBits;

  image=AcquireImage(image_info);
  hemf=ReadEnhMetaFile(image_info->filename,&width,&height);
  if (hemf == (HENHMETAFILE) NULL)
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  if ((image->columns == 0) || (image->rows == 0))
    {
      double
        y_resolution,
        x_resolution;

      y_resolution=DefaultResolution;
      x_resolution=DefaultResolution;
      if (image->y_resolution > 0)
        {
          y_resolution=image->y_resolution;
          if (image->units == PixelsPerCentimeterResolution)
            y_resolution*=CENTIMETERS_INCH;
        }
      if (image->x_resolution > 0)
        {
          x_resolution=image->x_resolution;
          if (image->units == PixelsPerCentimeterResolution)
            x_resolution*=CENTIMETERS_INCH;
        }
      image->rows=(unsigned long) ((height/1000.0/CENTIMETERS_INCH)*
        y_resolution+0.5);
      image->columns=(unsigned long) ((width/1000.0/CENTIMETERS_INCH)*
        x_resolution+0.5);
    }
  if (image_info->size != (char *) NULL)
    {
      long
        x;

      image->columns=width;
      image->rows=height;
      x=0;
      y=0;
      (void) GetGeometry(image_info->size,&x,&y,&image->columns,&image->rows);
    }
  if (image_info->page != (char *) NULL)
    {
      char
        *geometry;

      long
        sans;

      register char
        *p;

      MagickStatusType
        flags;

      geometry=GetPageGeometry(image_info->page);
      p=strchr(geometry,'>');
      if (p == (char *) NULL)
        {
          flags=ParseMetaGeometry(geometry,&sans,&sans,&image->columns,
            &image->rows);
          if (image->x_resolution != 0.0)
            image->columns=(unsigned long) ((image->columns*
              image->x_resolution)+0.5);
          if (image->y_resolution != 0.0)
            image->rows=(unsigned long) ((image->rows*image->y_resolution)+0.5);
        }
      else
        {
          *p='\0';
          flags=ParseMetaGeometry(geometry,&sans,&sans,&image->columns,
            &image->rows);
          if (image->x_resolution != 0.0)
            image->columns=(unsigned long) (((image->columns*
              image->x_resolution)/DefaultResolution)+0.5);
          if (image->y_resolution != 0.0)
            image->rows=(unsigned long) (((image->rows*image->y_resolution)/
              DefaultResolution)+0.5);
        }
      geometry=DestroyString(geometry);
    }
  hDC=GetDC(NULL);
  if (hDC == (HDC) NULL)
    {
      DeleteEnhMetaFile(hemf);
      ThrowReaderException(ResourceLimitError,"UnableToCreateADC");
    }
  /*
    Initialize the bitmap header info.
  */
  (void) ResetMagickMemory(&DIBinfo,0,sizeof(BITMAPINFO));
  DIBinfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
  DIBinfo.bmiHeader.biWidth=image->columns;
  DIBinfo.bmiHeader.biHeight=(-1)*image->rows;
  DIBinfo.bmiHeader.biPlanes=1;
  DIBinfo.bmiHeader.biBitCount=32;
  DIBinfo.bmiHeader.biCompression=BI_RGB;
  hBitmap=CreateDIBSection(hDC,&DIBinfo,DIB_RGB_COLORS,(void **) &ppBits,
    NULL,0);
  ReleaseDC(NULL,hDC);
  if (hBitmap == (HBITMAP) NULL)
    {
      DeleteEnhMetaFile(hemf);
      ThrowReaderException(ResourceLimitError,"UnableToCreateBitmap");
    }
  hDC=CreateCompatibleDC(NULL);
  if (hDC == (HDC) NULL)
    {
      DeleteEnhMetaFile(hemf);
      DeleteObject(hBitmap);
      ThrowReaderException(ResourceLimitError,"UnableToCreateADC");
    }
  hOldBitmap=(HBITMAP) SelectObject(hDC,hBitmap);
  if (hOldBitmap == (HBITMAP) NULL)
    {
      DeleteEnhMetaFile(hemf);
      DeleteDC(hDC);
      DeleteObject(hBitmap);
      ThrowReaderException(ResourceLimitError,"UnableToCreateBitmap");
    }
  /*
    Initialize the bitmap to the image background color.
  */
  pBits=ppBits;
  for (y=0; y < (long) image->rows; y++)
  {
    for (x=0; x < (long) image->columns; x++)
    {
      pBits->rgbRed=ScaleQuantumToChar(image->background_color.red);
      pBits->rgbGreen=ScaleQuantumToChar(image->background_color.green);
      pBits->rgbBlue=ScaleQuantumToChar(image->background_color.blue);
      pBits++;
    }
  }
  rect.top=0;
  rect.left=0;
  rect.right=image->columns;
  rect.bottom=image->rows;
  /*
    Convert metafile pixels.
  */
  PlayEnhMetaFile(hDC,hemf,&rect);
  pBits=ppBits;
  for (y=0; y < (long) image->rows; y++)
  {
    q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (PixelPacket *) NULL)
      break;
    for (x=0; x < (long) image->columns; x++)
    {
      q->red=ScaleCharToQuantum(pBits->rgbRed);
      q->green=ScaleCharToQuantum(pBits->rgbGreen);
      q->blue=ScaleCharToQuantum(pBits->rgbBlue);
      q->opacity=OpaqueOpacity;
      pBits++;
      q++;
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
  }
  DeleteEnhMetaFile(hemf);
  SelectObject(hDC,hOldBitmap);
  DeleteDC(hDC);
  DeleteObject(hBitmap);
  return(GetFirstImageInList(image));
}
예제 #4
0
static Image *ReadEMFImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  BITMAPINFO
    DIBinfo;

  HBITMAP
    hBitmap,
    hOldBitmap;

  HDC
    hDC;

  HENHMETAFILE
    hemf;

  Image
    *image;

  long
    height,
    width,
    y;

  RECT
    rect;

  register long
    x;

  register PixelPacket
    *q;

  RGBQUAD
    *pBits,
    *ppBits;

  image=AllocateImage(image_info);
  hemf=ReadEnhMetaFile(image_info->filename,&width,&height);
  if (!hemf)
    ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
  if ((image->columns == 0) || (image->rows == 0))
    {
      double
        y_resolution = 72.0,
        x_resolution = 72.0;

      if (image->y_resolution > 0)
        {
          y_resolution=image->y_resolution;
          if (image->units == PixelsPerCentimeterResolution)
            y_resolution*=CENTIMETERS_INCH;
        }
      if (image->x_resolution > 0)
        {
          x_resolution=image->x_resolution;
          if (image->units == PixelsPerCentimeterResolution)
            x_resolution*=CENTIMETERS_INCH;
        }
      image->rows=ceil((height*CENTIMETERS_INCH)/1000*y_resolution);
      image->columns=ceil((width*CENTIMETERS_INCH)/1000*x_resolution);
    }
  if (image_info->size != (char *) NULL)
    {
      long
        x;

      image->columns=width;
      image->rows=height;
      x=0;
      y=0;
      (void) GetGeometry(image_info->size,&x,&y,&image->columns,&image->rows);
    }
  if (image_info->page != (char *) NULL)
    {
      char
        *geometry;

      long
        sans;

      register char
        *p;

/*       unsigned int */
/*         flags; */

      geometry=GetPageGeometry(image_info->page);
      p=strchr(geometry,'>');
      if (!p)
        {
          /*flags=*/ (void) GetMagickGeometry(geometry,&sans,&sans,&image->columns,
            &image->rows);
          if (image->x_resolution != 0.0)
            image->columns=(unsigned int)
              ((image->columns*image->x_resolution)+0.5);
          if (image->y_resolution != 0.0)
            image->rows=(unsigned int)
              ((image->rows*image->y_resolution)+0.5);
        }
      else
        {
          *p='\0';
          /*flags=*/ (void) GetMagickGeometry(geometry,&sans,&sans,&image->columns,
            &image->rows);
          if (image->x_resolution != 0.0)
            image->columns=(unsigned int)
              (((image->columns*image->x_resolution)/72.0)+0.5);
          if (image->y_resolution != 0.0)
            image->rows=(unsigned int)
              (((image->rows*image->y_resolution)/72.0)+0.5);
        }
      MagickFreeMemory(geometry);
    }
  hDC=GetDC(NULL);
  if (!hDC)
    ThrowReaderException(CoderError,UnableToCreateADC,image);
  /*
    Initialize the bitmap header info.
  */
  (void) memset(&DIBinfo,0,sizeof(BITMAPINFO));
  DIBinfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
  DIBinfo.bmiHeader.biWidth=image->columns;
  DIBinfo.bmiHeader.biHeight=(-1)*image->rows;
  DIBinfo.bmiHeader.biPlanes=1;
  DIBinfo.bmiHeader.biBitCount=32;
  DIBinfo.bmiHeader.biCompression=BI_RGB;
  hBitmap=
    CreateDIBSection(hDC,&DIBinfo,DIB_RGB_COLORS,(void **) &ppBits,NULL,0);
  ReleaseDC(NULL,hDC);
  if (!hBitmap)
    ThrowReaderException(CoderError,UnableToCreateBitmap,image);
  hDC=CreateCompatibleDC(NULL);
  if (!hDC)
    {
      DeleteObject(hBitmap);
      ThrowReaderException(CoderError,UnableToCreateADC,image);
    }
  hOldBitmap=(HBITMAP) SelectObject(hDC,hBitmap);
  if (!hOldBitmap)
    {
      DeleteDC(hDC);
      DeleteObject(hBitmap);
      ThrowReaderException(CoderError,UnableToCreateBitmap,image);
    }
  /*
    Initialize the bitmap to the image background color.
  */
  pBits=ppBits;
  for (y=0; y < (long) image->rows; y++)
  {
    for (x=0; x < (long) image->columns; x++)
    {
      pBits->rgbRed=ScaleQuantumToChar(image->background_color.red);
      pBits->rgbGreen=ScaleQuantumToChar(image->background_color.green);
      pBits->rgbBlue=ScaleQuantumToChar(image->background_color.blue);
      pBits++;
    }
  }
  rect.top=0;
  rect.left=0;
  rect.right=image->columns;
  rect.bottom=image->rows;
  /*
    Convert metafile pixels.
  */
  PlayEnhMetaFile(hDC,hemf,&rect);
  pBits=ppBits;
  for (y=0; y < (long) image->rows; y++)
  {
    q=SetImagePixels(image,0,y,image->columns,1);
    if (q == (PixelPacket *) NULL)
      break;
    for (x=0; x < (long) image->columns; x++)
    {
      q->red=ScaleCharToQuantum(pBits->rgbRed);
      q->green=ScaleCharToQuantum(pBits->rgbGreen);
      q->blue=ScaleCharToQuantum(pBits->rgbBlue);
      q->opacity=OpaqueOpacity;
      pBits++;
      q++;
    }
    if (!SyncImagePixels(image))
      break;
  }
  if (hemf)
    DeleteEnhMetaFile(hemf);
  SelectObject(hDC,hOldBitmap);
  DeleteDC(hDC);
  DeleteObject(hBitmap);
  return(image);
}