public static DxfOle.Type OleItemType(DxfOle ole)
{
try
{
object o = OleHelper.smethod_0(ole);
if (o == null)
{
return(DxfOle.Type.Unknown);
}
IntPtr iunknownForObject = Marshal.GetIUnknownForObject(o);
if (iunknownForObject != IntPtr.Zero)
{
Guid iid = new Guid("0000011d-0000-0000-C000-000000000046");
IntPtr ppv;
Marshal.QueryInterface(iunknownForObject, ref iid, out ppv);
if (ppv != IntPtr.Zero)
{
Marshal.Release(ppv);
Marshal.Release(iunknownForObject);
return(DxfOle.Type.Link);
}
OleHelper.Interface20 objectForIunknown = Marshal.GetObjectForIUnknown(iunknownForObject) as OleHelper.Interface20;
Marshal.Release(iunknownForObject);
uint dwStatus = 0;
return(objectForIunknown.imethod_19(1U, ref dwStatus) == 0 && ((int)dwStatus & 8) == 0 ? DxfOle.Type.Embedded : DxfOle.Type.Static);
}
}
catch (Exception ex)
{
}
return(DxfOle.Type.Unknown);
}
public override void CopyFrom(DxfHandledObject from, CloneContext cloneContext)
{
base.CopyFrom(from, cloneContext);
DxfOle dxfOle = (DxfOle)from;
this.qualityType_0 = dxfOle.Quality;
this.int_0 = dxfOle.OleDataVersion;
this.int_1 = dxfOle.UnknownLong;
this.byte_0 = dxfOle.UnknownByte1;
this.byte_1 = dxfOle.UnknownByte2;
this.point3D_0 = dxfOle.UpperLeft;
this.point3D_1 = dxfOle.UpperRight;
this.point3D_2 = dxfOle.LowerRight;
this.point3D_3 = dxfOle.LowerLeft;
this.short_1 = dxfOle.HimetricWidth;
this.short_2 = dxfOle.HimetricHeight;
this.int_2 = dxfOle.OleItemVersion;
this.int_3 = (int)dxfOle.Model.UniqueOleItemCounter();
this.aspect_0 = dxfOle.AdviseType;
this.bool_2 = dxfOle.Moniker;
this.aspect_1 = dxfOle.DrawAspect;
this.string_0 = dxfOle.UserType;
this.type_0 = dxfOle.OleObjectType;
this.dxfOleXData_0 = dxfOle.dxfOleXData_0;
this.byte_2 = dxfOle.OleData;
}
public static Bitmap Preview(DxfOle ole, int width, int height)
{
object obj = OleHelper.smethod_0(ole);
if (obj == null || width <= 0 || height <= 0)
{
return((Bitmap)null);
}
Rectangle lprcBounds = new Rectangle(0, 0, width, height);
Bitmap bitmap = new Bitmap(width, height);
int num;
using (Graphics graphics = Graphics.FromImage((Image)bitmap))
{
IntPtr hdc = graphics.GetHdc();
try
{
num = OleHelper.OleDraw(obj, (uint)ole.DrawAspect, hdc, ref lprcBounds);
}
finally
{
Marshal.FinalReleaseComObject(obj);
graphics.ReleaseHdc(hdc);
}
}
if (num == 0)
{
return(bitmap);
}
bitmap.Dispose();
return((Bitmap)null);
}
private static object smethod_0(DxfOle ole)
{
if (ole.OleData == null)
{
return((object)null);
}
object obj;
try
{
obj = OleHelper.smethod_1(ole);
}
catch (Exception ex)
{
obj = (object)null;
}
if (obj == null)
{
try
{
obj = OleHelper.smethod_1(ole);
}
catch (Exception ex)
{
obj = (object)null;
}
}
return(obj);
}
public static string OleUserType(DxfOle ole)
{
object o = OleHelper.smethod_0(ole);
if (o != null)
{
IntPtr iunknownForObject = Marshal.GetIUnknownForObject(o);
if (iunknownForObject != IntPtr.Zero)
{
OleHelper.Interface20 objectForIunknown = Marshal.GetObjectForIUnknown(iunknownForObject) as OleHelper.Interface20;
Marshal.Release(iunknownForObject);
if (objectForIunknown == null)
{
return((string)null);
}
string str = (string)null;
try
{
str = objectForIunknown.imethod_13(1U);
}
catch (COMException ex)
{
}
return(str);
}
}
return((string)null);
}
public static void FinishCreate(DxfOle ole)
{
object pUnk = OleHelper.smethod_0(ole);
if (pUnk == null)
{
return;
}
OleHelper.OleSetContainedObject(pUnk, true);
}
public override IGraphCloneable Clone(CloneContext cloneContext)
{
DxfOle dxfOle = (DxfOle)cloneContext.GetExistingClone((IGraphCloneable)this);
if (dxfOle == null)
{
dxfOle = new DxfOle();
cloneContext.RegisterClone((IGraphCloneable)this, (IGraphCloneable)dxfOle);
dxfOle.CopyFrom((DxfHandledObject)this, cloneContext);
}
return((IGraphCloneable)dxfOle);
}
public static string OleLinkPath(DxfOle ole)
{
object o = OleHelper.smethod_0(ole);
if (o != null)
{
IntPtr iunknownForObject = Marshal.GetIUnknownForObject(o);
if (iunknownForObject != IntPtr.Zero)
{
OleHelper.Interface21 objectForIunknown = Marshal.GetObjectForIUnknown(iunknownForObject) as OleHelper.Interface21;
Marshal.Release(iunknownForObject);
return(objectForIunknown?.imethod_5());
}
}
return((string)null);
}
private static object smethod_1(DxfOle ole)
{
int length = ole.OleData.Length;
if (length == 0)
{
return((object)null);
}
IntPtr num = OleHelper.GlobalAlloc(34, length);
if (num == IntPtr.Zero)
{
return((object)null);
}
object ppvObj;
try
{
IntPtr destination = OleHelper.GlobalLock(num);
if (destination == IntPtr.Zero)
{
return((object)null);
}
Marshal.Copy(ole.OleData, 0, destination, ole.OleData.Length);
OleHelper.GlobalUnlock(num);
OleHelper.Interface17 ppLkbyt;
OleHelper.Interface19 ppstgOpen;
if (OleHelper.CreateILockBytesOnHGlobal(num, true, out ppLkbyt) != 0 || OleHelper.StgOpenStorageOnILockBytes(ppLkbyt, (OleHelper.Interface19)null, 16U, IntPtr.Zero, 0U, out ppstgOpen) != 0)
{
return((object)null);
}
if (OleHelper.OleLoad(ppstgOpen, ref OleHelper.guid_0, (OleHelper.Interface16)null, out ppvObj) != 0)
{
return((object)null);
}
}
finally
{
OleHelper.GlobalFree(num);
}
return(ppvObj);
}
public static void OleHiMetrics(DxfOle ole, out int width, out int height)
{
width = 1000;
height = 1000;
object o = OleHelper.smethod_0(ole);
if (o == null)
{
return;
}
IntPtr iunknownForObject = Marshal.GetIUnknownForObject(o);
if (!(iunknownForObject != IntPtr.Zero))
{
return;
}
OleHelper.Interface20 objectForIunknown = Marshal.GetObjectForIUnknown(iunknownForObject) as OleHelper.Interface20;
Marshal.Release(iunknownForObject);
if (objectForIunknown == null)
{
return;
}
if (ole.OleObjectType == DxfOle.Type.Link && objectForIunknown.imethod_11() == 0U)
{
objectForIunknown.imethod_10();
}
if (ole.OleObjectType == DxfOle.Type.Static)
{
return;
}
Size psizel = new Size();
objectForIunknown.imethod_15((uint)ole.DrawAspect, ref psizel);
width = psizel.Width;
height = psizel.Height;
}
public virtual void Visit(DxfOle ole)
{
}
public DxfOleXData(DxfOle ole)
{
this.dxfOle_0 = ole;
}
public virtual void Visit(DxfOle ole)
{
this.VisitEntity((DxfEntity)ole);
}
