/// <summary>
/// Creates this object and sets all its properties
/// </summary>
/// <param name="storage">The OLE version 2.0 object as a <see cref="CFStorage" /></param>
internal Ole10Native(CFStorage storage)
{
if (storage == null)
throw new ArgumentNullException("storage");
var ole10Native = storage.GetStream("\x0001Ole10Native");
var compObj = storage.GetStream("\x0001CompObj");
var compObjStream = new CompObjStream(compObj);
AnsiUserType = compObjStream.AnsiUserType;
StringFormat = compObjStream.StringFormat;
ClipboardFormat = compObjStream.ClipboardFormat;
switch (compObjStream.AnsiUserType)
{
case "OLE Package":
var ole10NativeSize = (int) ole10Native.Size - 4;
var data = ole10Native.GetData(4, ref ole10NativeSize);
var package = new Package(data);
Format = package.Format;
FileName = Path.GetFileName(package.FileName);
FilePath = package.FilePath;
NativeData = package.Data;
break;
case "PBrush":
case "Pakket":
// Ignore
break;
default:
throw new OEObjectTypeNotSupported("Unsupported OleNative AnsiUserType '" +
compObjStream.AnsiUserType + "' found");
}
}
/// <summary>
/// Creates this object and sets all its properties
/// </summary>
/// <param name="storage">The OLE version 2.0 object as a <see cref="CFStorage" /></param>
internal Ole10Native(CFStorage storage)
{
if (storage == null)
{
throw new ArgumentNullException("storage");
}
var ole10Native = storage.GetStream("\x0001Ole10Native");
var compObj = storage.GetStream("\x0001CompObj");
var compObjStream = new CompObjStream(compObj);
AnsiUserType = compObjStream.AnsiUserType;
StringFormat = compObjStream.StringFormat;
ClipboardFormat = compObjStream.ClipboardFormat;
switch (compObjStream.AnsiUserType)
{
case "OLE Package":
var olePackageSize = (int)ole10Native.Size - 4;
var olePackageData = new byte[olePackageSize];
ole10Native.Read(olePackageData, 4, olePackageSize);
var package = new Package(olePackageData);
Format = package.Format;
FileName = Path.GetFileName(package.FileName);
FilePath = package.FilePath;
NativeData = package.Data;
break;
case "PBrush":
var pbBrushSize = (int)ole10Native.Size - 4;
var pbBrushData = new byte[pbBrushSize];
ole10Native.Read(pbBrushData, 4, pbBrushSize);
FileName = "Embedded PBrush image.bmp";
Format = OleFormat.File;
NativeData = pbBrushData;
break;
case "Pakket":
// Ignore
break;
default:
throw new OEObjectTypeNotSupported("Unsupported OleNative AnsiUserType '" +
compObjStream.AnsiUserType + "' found");
}
}
/// <summary>
/// Creates this object and sets all its properties
/// </summary>
/// <param name="storage">The OLE version 2.0 object as a <see cref="CFStorage" /></param>
internal Ole10Native(CFStorage storage)
{
if (storage == null)
{
throw new ArgumentNullException(nameof(storage));
}
var ole10Native = storage.GetStream("\x0001Ole10Native");
var compObj = storage.GetStream("\x0001CompObj");
var compObjStream = new CompObjStream(compObj);
AnsiUserType = compObjStream.AnsiUserType;
StringFormat = compObjStream.StringFormat;
ClipboardFormat = compObjStream.ClipboardFormat;
switch (compObjStream.AnsiUserType)
{
case "OLE Package":
var olePackageSize = (int)ole10Native.Size - 4;
if (olePackageSize <= 0)
{
break;
}
var olePackageData = new byte[olePackageSize];
ole10Native.Read(olePackageData, 4, olePackageSize);
var package = new Package(olePackageData);
Format = package.Format;
FileName = Path.GetFileName(package.FileName);
FilePath = package.FilePath;
NativeData = package.Data;
break;
case "PBrush":
case "Paintbrush-afbeelding":
var pbBrushSize = (int)ole10Native.Size - 4;
if (pbBrushSize <= 0)
{
break;
}
var pbBrushData = new byte[pbBrushSize];
ole10Native.Read(pbBrushData, 4, pbBrushSize);
FileName = "Embedded PBrush image.bmp";
Format = OleFormat.File;
NativeData = pbBrushData;
break;
case "Pakket":
// Ignore
break;
// MathType (http://docs.wiris.com/en/mathtype/start) is a equations editor
// The data is stored in the MTEF format within image file formats (PICT, WMF, EPS, GIF) or Office documents
// as kind of pickaback data. (http://docs.wiris.com/en/mathtype/mathtype_desktop/mathtype-sdk/mtefstorage).
// Within Office, a placeholder image shows the created equation.
// Because MathType does not support storing equations in a separate MTEF file, a export of the data is not
// directly possible and would require a conversion into the mentioned file formats.
// Due that facts, it make no sense try to export the data.
case "MathType 5.0 Equation":
break;
// Used by the depreciated Microsoft Office ClipArt Gallery
// supposedly to store some metadata
case "MS_ClipArt_Gallery":
case "Microsoft ClipArt Gallery":
break;
default:
throw new OEObjectTypeNotSupported("Unsupported OleNative AnsiUserType '" +
compObjStream.AnsiUserType + "' found");
}
}
