private static PagedMemoryStream smethod_0(string uri)
{
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(uri);
httpWebRequest.UserAgent = "Foo";
using (HttpWebResponse response = (HttpWebResponse)httpWebRequest.GetResponse())
{
if (response.StatusCode != HttpStatusCode.OK && response.StatusCode != HttpStatusCode.MovedPermanently)
{
if (response.StatusCode != HttpStatusCode.Found)
{
goto label_14;
}
}
if (response.ContentType.StartsWith("image", StringComparison.OrdinalIgnoreCase))
{
using (Stream responseStream = response.GetResponseStream())
{
PagedMemoryStream pagedMemoryStream = new PagedMemoryStream();
byte[] buffer = new byte[4096];
int count;
do
{
count = responseStream.Read(buffer, 0, buffer.Length);
pagedMemoryStream.Write(buffer, 0, count);
}while (count != 0);
pagedMemoryStream.Position = 0L;
return(pagedMemoryStream);
}
}
}
label_14:
return((PagedMemoryStream)null);
}
private void method_16(
DxfReader r,
Class285 objectBuilder,
ref Interface30 binaryDataReader,
ref Interface30 stringDataReader,
ref long graphicsDataSizeInBytes,
ref PagedMemoryStream graphicsData,
ref Stream currentStream)
{
string subclass = (string)r.CurrentGroup.Value;
r.method_85();
this.stream_0 = (Stream)null;
this.stream_1 = (Stream)null;
while (!r.method_92(subclass))
{
if (!this.method_17(r, objectBuilder, ref graphicsDataSizeInBytes, ref graphicsData, ref currentStream))
{
r.method_85();
}
}
if (this.stream_0 != null)
{
this.stream_0.Position = 0L;
binaryDataReader = Class444.Create(r.ModelBuilder.Version, this.stream_0);
}
if (this.stream_1 == null)
{
return;
}
this.stream_1.Position = 0L;
stringDataReader = Class444.Create(r.ModelBuilder.Version, this.stream_1);
}
internal override void vmethod_11(Class434 or, Class285 entityBuilder, long imageSize)
{
PagedMemoryStream targetStream = new PagedMemoryStream((long)(int)imageSize, System.Math.Min((int)imageSize, 65536));
or.ObjectBitStream.imethod_20((int)imageSize, targetStream);
this.proxyGraphics_0 = new ProxyGraphics();
((DxfProxyEntity.Class287)entityBuilder).ProxyGraphicsBuilder = this.proxyGraphics_0.Read((Stream)targetStream, or.Builder);
}
public static IBitmap LoadBitmap(
string filename,
string modelFilename,
int downloadTimeoutMs)
{
if (!filename.StartsWith("http://", StringComparison.InvariantCultureIgnoreCase))
{
if (!filename.StartsWith("https://", StringComparison.InvariantCultureIgnoreCase))
{
string str = filename;
if (!System.IO.File.Exists(str) && Path.IsPathRooted(str))
{
str = Path.GetFileName(filename);
}
if (!Path.IsPathRooted(str) && Path.IsPathRooted(modelFilename))
{
string directoryName = Path.GetDirectoryName(modelFilename);
str = Path.Combine(directoryName, str);
if (!System.IO.File.Exists(str))
{
str = Path.Combine(directoryName, Path.GetFileName(str));
}
}
if (System.IO.File.Exists(str))
{
MemoryStream memoryStream = new MemoryStream(System.IO.File.ReadAllBytes(str), false);
Bitmap bitmap;
try
{
bitmap = (Bitmap)System.Drawing.Image.FromStream((Stream)memoryStream);
}
catch (Exception ex)
{
return(GdiBitmap.InvalidBitmap);
}
return((IBitmap) new GdiBitmap(bitmap));
}
goto label_15;
}
}
try
{
PagedMemoryStream pagedMemoryStream = GdiBitmap.smethod_0(filename);
if (pagedMemoryStream != null)
{
return((IBitmap) new GdiBitmap(new Bitmap((Stream)pagedMemoryStream)));
}
}
catch (Exception ex)
{
}
label_15:
return(GdiBitmap.InvalidBitmap);
}
public static PagedMemoryStream smethod_1(
Stream source,
long length,
MemoryPageCache memoryPageCache)
{
long position = source.Position;
MemoryStream source1 = source as MemoryStream;
PagedMemoryStream pagedMemoryStream = source1 == null ? new PagedMemoryStream(source, length, memoryPageCache.PageSize, (IMemoryPageCache)memoryPageCache) : new PagedMemoryStream(source1, length);
source.Position = position;
return(pagedMemoryStream);
}
public static void smethod_2(PagedMemoryStream from, Interface29 to)
{
int length1 = (int)from.Length;
for (int index = 0; index < from.Pages.Count; ++index)
{
int length2 = System.Math.Min(length1, from.PageSize);
to.imethod_13(from.Pages[index], 0, length2);
length1 -= length2;
if (length1 <= 0)
{
break;
}
}
}
private long method_21(DxfWriter w, PagedMemoryStream binData, long binDataSizeInBits)
{
Class724 class724 = (Class724)Class724.smethod_0(Class885.smethod_4(this.dwgVersion_0), (Stream)binData, Encodings.GetEncoding((int)w.Model.Header.DrawingCodePage));
class724.imethod_47(binDataSizeInBits);
if (this.uint_0 > 0U)
{
this.stream_1.Position = 0L;
this.method_14((Interface29)class724, this.stream_1, (long)this.uint_0);
class724.imethod_50((long)this.uint_0);
}
class724.imethod_14(this.uint_0 > 0U);
binDataSizeInBits += (long)this.uint_0;
return(binDataSizeInBits);
}
internal override void Read(DxfReader r, Class259 objectBuilder)
{
base.Read(r, objectBuilder);
Class285 class285 = (Class285)objectBuilder;
Interface30 binaryDataReader = (Interface30)null;
Interface30 stringDataReader = (Interface30)null;
Stream currentStream = (Stream)null;
long graphicsDataSizeInBytes = 0;
PagedMemoryStream graphicsData = (PagedMemoryStream)null;
r.method_85();
while (r.CurrentGroup.Code != 0)
{
if (r.CurrentGroup.Code == 100)
{
switch ((string)r.CurrentGroup.Value)
{
case "AcDbZombieEntity":
case "AcDbProxyEntity":
this.method_16(r, class285, ref binaryDataReader, ref stringDataReader, ref graphicsDataSizeInBytes, ref graphicsData, ref currentStream);
continue;
case "AcDbEntity":
this.method_8(r, class285);
continue;
default:
if (this.bool_2)
{
this.method_18(r, objectBuilder);
continue;
}
continue;
}
}
else
{
this.method_9(r, class285);
}
}
this.method_13(r.ModelBuilder.Version);
if (graphicsData == null)
{
return;
}
this.proxyGraphics_0 = new ProxyGraphics();
((DxfProxyEntity.Class287)class285).ProxyGraphicsBuilder = this.proxyGraphics_0.Read((Stream)graphicsData, (Class374)r.ModelBuilder);
}
public Stream imethod_0(Class741.Class742 serializer)
{
PagedMemoryStream pagedMemoryStream = new PagedMemoryStream((long)(int)this.ulong_0);
int num = 0;
foreach (Class49.Class52.Class58.Class59 class59 in this.list_0)
{
serializer.Stream.Position = serializer.DataStoreStreamStartPosition + (long)serializer.SegmentIndex.Entries[(int)class59.SegmentIndex].Offset;
Class49.Class56 class56 = new Class49.Class56();
class56.Read(serializer);
if ((long)class56.BinaryData.Length != (long)class59.Size)
{
throw new Exception("Blob binary data size does not match expected size.");
}
StreamUtil.Forward(class56.BinaryData.Stream, class56.BinaryData.Offset, (Stream)pagedMemoryStream, class56.BinaryData.Length);
num += (int)class59.Size;
}
pagedMemoryStream.Position = 0L;
return((Stream)pagedMemoryStream);
}
public void AddSoftMask(PdfBody body)
{
int width = this.Width;
int height = this.Height;
PagedMemoryStream pagedMemoryStream = new PagedMemoryStream((long)(width * height));
bool flag = false;
this.ibitmap_0.LockBits();
try
{
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
byte alpha = this.GetAlpha(x, y);
if (alpha != byte.MaxValue)
{
flag = true;
}
pagedMemoryStream.WriteByte(alpha);
}
}
}
finally
{
this.ibitmap_0.UnlockBits();
}
if (flag)
{
PdfIndirectObject pdfIndirectObject = new PdfIndirectObject((IPdfObject) new PdfSoftMaskImage()
{
Width = this.Width, Height = this.Height, OpacityStream = (Stream)pagedMemoryStream
});
body.IndirectObjects.Add((IPdfIndirectObject)pdfIndirectObject);
this.Dictionary["SMask"] = (IPdfObject) new PdfReference((IPdfIndirectObject)pdfIndirectObject);
}
else
{
pagedMemoryStream.Dispose();
}
}
internal override void vmethod_12(Class432 ow)
{
Interface29 objectWriter = ow.ObjectWriter;
objectWriter.imethod_14(this.proxyGraphics_0 != null);
if (this.proxyGraphics_0 == null)
{
return;
}
PagedMemoryStream from = new PagedMemoryStream(4096L, 4096);
this.proxyGraphics_0.Write((Stream)from, ow.Model);
if (ow.Version < DxfVersion.Dxf24)
{
objectWriter.imethod_19((int)from.Length);
}
else
{
objectWriter.imethod_34(from.Length);
}
from.Position = 0L;
Class724.smethod_2(from, objectWriter);
}
internal override void Write(DxfWriter w)
{
base.Write(w);
if (this.method_24(true, w.Version))
{
this.method_20(w);
}
else
{
if (w.Version < DxfVersion.Dxf14)
{
w.method_234("AcDbZombieEntity");
}
else
{
w.method_234(this.AcClass);
}
w.Write(90, (object)(this.dxfClass_0 == null ? 498 : (int)this.dxfClass_0.ItemClassId));
w.Write(91, (object)(this.dxfClass_0 == null ? 568 : (int)this.dxfClass_0.ClassNumber));
if (w.Version > DxfVersion.Dxf14)
{
w.Write(95, (object)(int)(this.dwgVersion_0 | (DwgVersion)((int)this.short_1 << 16)));
w.method_221(70, this.bool_2);
}
if (this.proxyGraphics_0 != null)
{
PagedMemoryStream pagedMemoryStream = new PagedMemoryStream(4096L, 4096);
this.proxyGraphics_0.Write((Stream)pagedMemoryStream, w.Model);
pagedMemoryStream.Position = 0L;
this.method_22(w, 92, 160, pagedMemoryStream.Length);
w.method_145(310, (Stream)pagedMemoryStream, (int)pagedMemoryStream.Length);
}
else
{
this.method_22(w, 92, 160, 8L);
DxfWriter dxfWriter = w;
byte[] numArray1 = new byte[8];
numArray1[0] = (byte)8;
byte[] numArray2 = numArray1;
dxfWriter.Write(310, (object)numArray2);
}
if (this.bool_2)
{
this.method_20(w);
}
else
{
PagedMemoryStream stream0 = this.stream_0 as PagedMemoryStream;
PagedMemoryStream binData;
if (stream0 == null)
{
binData = new PagedMemoryStream((long)(int)this.stream_0.Length);
this.stream_0.Position = 0L;
binData.Write(this.stream_0, (int)this.stream_0.Length);
}
else
{
binData = stream0.Clone();
}
long binDataSizeInBits = this.long_0;
if (w.Version >= DxfVersion.Dxf21)
{
if (this.uint_0 > 0U)
{
this.method_22(w, 96, 162, (long)this.uint_0);
this.stream_1.Position = 0L;
w.method_145(311, this.stream_1, (int)(this.uint_0 + 7U >> 3));
}
}
else if (this.dwgVersion_0 > DwgVersion.Dwg1018)
{
binDataSizeInBits = this.method_21(w, binData, binDataSizeInBits);
}
this.method_22(w, 93, 161, binDataSizeInBits);
binData.Position = 0L;
w.method_145(310, (Stream)binData, (int)(binDataSizeInBits + 7L >> 3));
if (this.list_0.Count <= 0)
{
return;
}
foreach (DxfTypedObjectReference typedObjectReference in this.list_0)
{
int code;
switch (typedObjectReference.ReferenceType)
{
case ReferenceType.SoftPointerReference:
code = 330;
break;
case ReferenceType.HardPointerReference:
code = 340;
break;
case ReferenceType.SoftOwnershipReference:
code = 350;
break;
case ReferenceType.HardOwnershipReference:
code = 360;
break;
default:
throw new Exception("Unexpected reference type " + (object)typedObjectReference.ReferenceType + ".");
}
w.method_218(code, (DxfHandledObject)typedObjectReference.ObjectReference.Value);
}
w.Write(94, (object)0);
}
}
}
private bool method_17(
DxfReader r,
Class285 objectBuilder,
ref long graphicsDataSizeInBytes,
ref PagedMemoryStream graphicsData,
ref Stream currentStream)
{
switch (r.CurrentGroup.Code)
{
case 1:
string cPlusPlusClassName = (string)r.CurrentGroup.Value;
this.dxfClass_0 = r.Model.Classes.GetClassWithCPlusPlusName(cPlusPlusClassName);
break;
case 70:
this.bool_2 = (short)r.CurrentGroup.Value != (short)0;
break;
case 90:
int num1 = (int)r.CurrentGroup.Value;
break;
case 91:
int num2 = (int)r.CurrentGroup.Value;
this.dxfClass_0 = r.Model.Classes.GetClassWithClassNumber((short)num2);
break;
case 92:
graphicsDataSizeInBytes = (long)(int)r.CurrentGroup.Value;
if (graphicsData == null)
{
graphicsData = new PagedMemoryStream((long)(int)graphicsDataSizeInBytes, System.Math.Min((int)graphicsDataSizeInBytes, 65536));
}
else
{
graphicsData.SetLength(graphicsDataSizeInBytes);
}
currentStream = (Stream)graphicsData;
break;
case 93:
this.long_0 = (long)(int)r.CurrentGroup.Value;
if (this.long_0 != 0L)
{
int val1 = (int)this.long_0 + 7 >> 3;
if (this.stream_0 == null)
{
this.stream_0 = (Stream) new PagedMemoryStream((long)val1, System.Math.Min(val1, 65536));
}
else
{
this.stream_0.SetLength((long)val1);
}
}
currentStream = this.stream_0;
break;
case 94:
int num3 = (int)r.CurrentGroup.Value;
break;
case 95:
int num4 = (int)r.CurrentGroup.Value;
this.dwgVersion_0 = (DwgVersion)(num4 & (int)ushort.MaxValue);
this.short_1 = (short)(num4 >> 16);
break;
case 96:
this.uint_0 = (uint)(int)r.CurrentGroup.Value;
if (this.uint_0 != 0U)
{
int val1 = (int)(this.uint_0 + 7U >> 3);
if (this.stream_1 == null)
{
this.stream_1 = (Stream) new PagedMemoryStream((long)val1, System.Math.Min(val1, 65536));
}
else
{
this.stream_1.SetLength((long)val1);
}
}
currentStream = this.stream_1;
break;
case 160:
graphicsDataSizeInBytes = (long)r.CurrentGroup.Value;
if (graphicsData == null)
{
graphicsData = new PagedMemoryStream((long)(int)graphicsDataSizeInBytes, System.Math.Min((int)graphicsDataSizeInBytes, 65536));
}
else
{
graphicsData.SetLength(graphicsDataSizeInBytes);
}
currentStream = (Stream)graphicsData;
break;
case 161:
this.long_0 = (long)r.CurrentGroup.Value;
if (this.long_0 != 0L)
{
int val1 = (int)this.long_0 + 7 >> 3;
if (this.stream_0 == null)
{
this.stream_0 = (Stream) new PagedMemoryStream((long)val1, System.Math.Min(val1, 65536));
}
else
{
this.stream_0.SetLength((long)val1);
}
}
currentStream = this.stream_0;
break;
case 162:
this.uint_0 = (uint)(long)r.CurrentGroup.Value;
if (this.uint_0 != 0U)
{
int val1 = (int)this.uint_0 + 7 >> 3;
if (this.stream_1 == null)
{
this.stream_1 = (Stream) new PagedMemoryStream((long)val1, System.Math.Min(val1, 65536));
}
else
{
this.stream_1.SetLength((long)val1);
}
}
currentStream = this.stream_1;
break;
case 310:
if (currentStream == null)
{
throw new Exception("No stream size specified.");
}
byte[] buffer1 = (byte[])r.CurrentGroup.Value;
currentStream.Write(buffer1, 0, buffer1.Length);
break;
case 311:
if (currentStream == null)
{
throw new Exception("No stream size specified.");
}
if (currentStream != this.stream_1)
{
throw new Exception("Wrong stream");
}
byte[] buffer2 = (byte[])r.CurrentGroup.Value;
currentStream.Write(buffer2, 0, buffer2.Length);
break;
case 330:
this.method_19(r, (Class259)objectBuilder, ReferenceType.SoftPointerReference);
break;
case 340:
this.method_19(r, (Class259)objectBuilder, ReferenceType.HardPointerReference);
break;
case 350:
this.method_19(r, (Class259)objectBuilder, ReferenceType.SoftOwnershipReference);
break;
case 360:
this.method_19(r, (Class259)objectBuilder, ReferenceType.HardOwnershipReference);
break;
default:
return(this.method_9(r, objectBuilder));
}
r.method_85();
return(true);
}
public uint imethod_21(PagedMemoryStream targetStream)
{
return(this.interface30_0.imethod_21(targetStream));
}
public void imethod_20(int length, PagedMemoryStream targetStream)
{
this.interface30_0.imethod_20(length, targetStream);
}
public static PagedMemoryStream smethod_0(PagedMemoryStream source)
{
return(new PagedMemoryStream(source));
}
private void method_14(Interface29 w, Stream stream, long dataSizeInBits)
{
int length1 = (int)(dataSizeInBits >> 3);
int num1 = (int)dataSizeInBits & 7;
PagedMemoryStream pagedMemoryStream = stream as PagedMemoryStream;
if (pagedMemoryStream != null)
{
int val2 = length1;
foreach (byte[] page in pagedMemoryStream.Pages)
{
int length2 = System.Math.Min(page.Length, val2);
if (length2 > 0)
{
w.imethod_13(page, 0, length2);
}
val2 -= length2;
if (val2 <= 0)
{
break;
}
}
}
else
{
MemoryStream memoryStream = stream as MemoryStream;
if (memoryStream != null)
{
w.imethod_13(memoryStream.GetBuffer(), 0, length1);
}
else
{
byte[] numArray = new byte[1024];
int num2 = length1 / 1024;
for (int index = 0; index < num2; ++index)
{
stream.Read(numArray, 0, 1024);
w.imethod_13(numArray, 0, 1024);
}
int num3 = length1 % 1024;
if (num3 > 0)
{
stream.Read(numArray, 0, num3);
w.imethod_13(numArray, 0, num3);
}
}
}
if (num1 == 0)
{
return;
}
stream.Position = (long)length1;
int num4 = stream.ReadByte();
for (; num1 > 0; --num1)
{
w.imethod_14((num4 & 128) != 0);
num4 <<= 1;
}
stream.Position = 0L;
}
protected override bool vmethod_0(DxfReader r)
{
bool flag;
if (!(flag = base.vmethod_0(r)))
{
flag = true;
switch (this.DataType)
{
case Enum26.const_0:
case Enum26.const_1:
case Enum26.const_2:
case Enum26.const_3:
case Enum26.const_4:
case Enum26.const_5:
case Enum26.const_6:
case Enum26.const_7:
case Enum26.const_8:
case Enum26.const_10:
case Enum26.const_11:
this.Data = new Struct18(r.CurrentGroup.Code, r.CurrentGroup.Value);
r.method_85();
break;
case Enum26.const_9:
if (r.CurrentGroup.Code == 161)
{
this.Data = new Struct18(r.CurrentGroup.Code, r.CurrentGroup.Value);
}
else
{
this.Data = new Struct18(r.CurrentGroup.Code, (object)DxfHandledObject.Parse(r.CurrentGroup.ValueString));
}
r.method_85();
break;
case Enum26.const_12:
break;
case Enum26.const_14:
int num = (int)r.CurrentGroup.Value;
r.method_85();
PagedMemoryStream pagedMemoryStream = (PagedMemoryStream)null;
while (r.CurrentGroup.Code == 310)
{
if (pagedMemoryStream == null)
{
pagedMemoryStream = new PagedMemoryStream((long)num);
this.Data = new Struct18(r.CurrentGroup.Code, (object)pagedMemoryStream);
}
byte[] buffer = (byte[])r.CurrentGroup.Value;
pagedMemoryStream.Write(buffer, 0, buffer.Length);
r.method_85();
}
if (pagedMemoryStream != null)
{
pagedMemoryStream.Position = 0L;
break;
}
break;
default:
flag = false;
break;
}
}
return(flag);
}
