private static DxfPoint ReadPoint(DxfCodePair xCoord, DxfCodePairBufferReader buffer, int expectedFirstCode)
{
// first value
var pair = xCoord;
Debug.Assert(pair.Code == expectedFirstCode);
var x = pair.DoubleValue;
// second value
Debug.Assert(buffer.ItemsRemain);
pair = buffer.Peek();
Debug.Assert(pair.Code == expectedFirstCode + 10);
var y = pair.DoubleValue;
buffer.Advance();
// third value
Debug.Assert(buffer.ItemsRemain);
pair = buffer.Peek();
Debug.Assert(pair.Code == expectedFirstCode + 20);
var z = pair.DoubleValue;
buffer.Advance();
return(new DxfPoint(x, y, z));
}
internal static DxfXData FromBuffer(DxfCodePairBufferReader buffer, string applicationName)
{
DxfXDataItem last = null;
var items = new List <DxfXDataItem>();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == (int)DxfXDataType.ApplicationName || pair.Code < 1000)
{
// new xdata or non-xdata
break;
}
var item = DxfXDataItem.FromBuffer(buffer);
if (item != null)
{
if (last is DxfXDataString xdataString && item is DxfXDataItemList list)
{
// re-build last and current item as named group
items.RemoveAt(items.Count - 1);
item = new DxfXDataNamedList(xdataString.Value, list.Items);
}
items.Add(item);
last = item;
}
}
return(new DxfXData(applicationName, items));
}
internal static DxfXDataItemList ListFromBuffer(DxfCodePairBufferReader buffer)
{
Debug.Assert(buffer.ItemsRemain);
DxfCodePair pair;
var items = new List <DxfXDataItem>();
while (buffer.ItemsRemain)
{
pair = buffer.Peek();
Debug.Assert(pair.Code >= 1000, "Unexpected non-XDATA code pair");
if (pair.Code == (int)DxfXDataType.ControlString && pair.StringValue == "}")
{
buffer.Advance();
break;
}
var item = DxfXDataItem.FromBuffer(buffer);
if (item != null)
{
items.Add(item);
}
}
return(new DxfXDataItemList(items));
}
internal static DxfLayer FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfLayer();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 70:
item.StandardFlags = (int)pair.ShortValue;
break;
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case 62:
item.Color = item.ReadColorValue(pair.ShortValue);
break;
case 6:
item.LineTypeName = (pair.StringValue);
break;
case 290:
item.IsLayerPlotted = (pair.BoolValue);
break;
case 370:
item.LineWeight = DxfLineWeight.FromRawValue(pair.ShortValue);
break;
case 390:
item.PlotStylePointer = UIntHandle(pair.StringValue);
break;
case 347:
item.MaterialHandle = UIntHandle(pair.StringValue);
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}
internal static DxfXDataItem FromBuffer(DxfCodePairBufferReader buffer)
{
var pair = buffer.Peek();
buffer.Advance();
switch ((DxfXDataType)pair.Code)
{
case DxfXDataType.String:
return(new DxfXDataString(pair.StringValue));
case DxfXDataType.ControlString:
return(DxfXDataItemList.ListFromBuffer(buffer));
case DxfXDataType.Layer:
return(new DxfXDataLayerName(pair.StringValue));
case DxfXDataType.BinaryData:
return(new DxfXDataBinaryData(DxfCommonConverters.HexBytes(pair.StringValue)));
case DxfXDataType.Handle:
return(new DxfXDataHandle(DxfCommonConverters.UIntHandle(pair.StringValue)));
case DxfXDataType.RealTriple:
return(new DxfXData3Reals(ReadPoint(pair, buffer, pair.Code)));
case DxfXDataType.WorldSpacePosition:
return(new DxfXDataWorldSpacePosition(ReadPoint(pair, buffer, pair.Code)));
case DxfXDataType.WorldSpaceDisplacement:
return(new DxfXDataWorldSpaceDisplacement(ReadPoint(pair, buffer, pair.Code)));
case DxfXDataType.WorldDirection:
return(new DxfXDataWorldDirection(ReadPoint(pair, buffer, pair.Code)));
case DxfXDataType.Real:
return(new DxfXDataReal(pair.DoubleValue));
case DxfXDataType.Distance:
return(new DxfXDataDistance(pair.DoubleValue));
case DxfXDataType.ScaleFactor:
return(new DxfXDataScaleFactor(pair.DoubleValue));
case DxfXDataType.Integer:
return(new DxfXDataInteger(pair.ShortValue));
case DxfXDataType.Long:
return(new DxfXDataLong(pair.IntegerValue));
default:
return(null); // unexpected XDATA code pair
}
}
internal static DxfBlockRecord FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfBlockRecord();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case 340:
item.LayoutHandle = UIntHandle(pair.StringValue);
break;
case 70:
item.InsertionUnits = (DxfUnits)(pair.ShortValue);
break;
case 280:
item.Explodability = BoolShort(pair.ShortValue);
break;
case 281:
item.Scalability = BoolShort(pair.ShortValue);
break;
case 310:
item._bitmapPreviewData.Add((pair.StringValue));
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}
internal static DxfXData FromBuffer(DxfCodePairBufferReader buffer, string applicationName)
{
var items = new List <DxfXDataItem>();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == (int)DxfXDataType.ApplicationName || pair.Code < 1000)
{
// new xdata or non-xdata
break;
}
items.Add(DxfXDataItem.FromBuffer(buffer));
}
return(new DxfXData(applicationName, items));
}
internal static void PopulateFromBuffer(DxfCodePairBufferReader buffer, IDictionary <string, DxfXDataApplicationItemCollection> xdata, string applicationName)
{
xdata[applicationName] = new DxfXDataApplicationItemCollection();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == (int)DxfXDataType.ApplicationName || pair.Code < 1000)
{
return;
}
var item = DxfXDataItem.FromBuffer(buffer);
if (item != null)
{
xdata[applicationName].Add(item);
}
}
}
internal static DxfCodePairGroup FromBuffer(DxfCodePairBufferReader buffer, string groupName)
{
var items = new List <IDxfCodePairOrGroup>();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
Debug.Assert(false, "Unexpected end of section/file while parsing group.");
break;
}
buffer.Advance();
if (pair.Code == GroupCodeNumber)
{
if (pair.StringValue == "}")
{
// end of group
break;
}
else if (pair.StringValue.StartsWith("{"))
{
// nested group
var subGroupName = GetGroupName(pair.StringValue);
var subGroup = FromBuffer(buffer, subGroupName);
items.Add(subGroup);
}
else
{
throw new DxfReadException("Unexpected code pair group text", pair);
}
}
else
{
items.Add(pair);
}
}
return(new DxfCodePairGroup(groupName, items));
}
internal static DxfAppId FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfAppId();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 70:
item.StandardFlags = (int)pair.ShortValue;
break;
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}
internal static DxfStyle FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfStyle();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 70:
item.StandardFlags = (int)pair.ShortValue;
break;
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case 40:
item.TextHeight = (pair.DoubleValue);
break;
case 41:
item.WidthFactor = (pair.DoubleValue);
break;
case 50:
item.ObliqueAngle = (pair.DoubleValue);
break;
case 71:
item.TextGenerationFlags = (int)(pair.ShortValue);
break;
case 42:
item.LastHeightUsed = (pair.DoubleValue);
break;
case 3:
item.PrimaryFontFileName = (pair.StringValue);
break;
case 4:
item.BigFontFileName = (pair.StringValue);
break;
case 1071:
item.FontFlags = (pair.IntegerValue);
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}
internal static DxfClass FromBuffer(DxfCodePairBufferReader buffer, DxfAcadVersion version)
{
var cls = new DxfClass();
// version R13 has varying values for the leading 0 code pair
var pair = buffer.Peek();
Debug.Assert(pair.Code == 0);
if (version <= DxfAcadVersion.R13)
{
cls.ClassDxfRecordName = pair.StringValue;
}
else
{
// swallow (0, CLASS)
Debug.Assert(pair.StringValue == ClassText);
}
buffer.Advance();
while (buffer.ItemsRemain)
{
pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 1:
if (version <= DxfAcadVersion.R13)
{
cls.CppClassName = pair.StringValue;
}
else
{
cls.ClassDxfRecordName = pair.StringValue;
}
break;
case 2:
if (version <= DxfAcadVersion.R13)
{
cls.ApplicationName = pair.StringValue;
}
else
{
cls.CppClassName = pair.StringValue;
}
break;
case 3:
if (version >= DxfAcadVersion.R14)
{
cls.ApplicationName = pair.StringValue;
}
break;
case 90:
if (version <= DxfAcadVersion.R13)
{
cls.ClassVersionNumber = pair.IntegerValue;
}
else
{
cls.ProxyCapabilities = new DxfProxyCapabilities(pair.IntegerValue);
}
break;
case 91:
cls.InstanceCount = pair.IntegerValue;
break;
case 280:
cls.WasClassLoadedWithFile = !DxfCommonConverters.BoolShort(pair.ShortValue);
break;
case 281:
cls.IsEntity = DxfCommonConverters.BoolShort(pair.ShortValue);
break;
}
}
return(cls);
}
internal static DxfView FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfView();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 70:
item.StandardFlags = (int)pair.ShortValue;
break;
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case 40:
item.ViewHeight = (pair.DoubleValue);
break;
case 10:
item.ViewCenterPoint.X = (pair.DoubleValue);
break;
case 20:
item.ViewCenterPoint.Y = (pair.DoubleValue);
break;
case 41:
item.ViewWidth = (pair.DoubleValue);
break;
case 11:
item.ViewDirection.X = (pair.DoubleValue);
break;
case 21:
item.ViewDirection.Y = (pair.DoubleValue);
break;
case 31:
item.ViewDirection.Z = (pair.DoubleValue);
break;
case 12:
item.TargetPoint.X = (pair.DoubleValue);
break;
case 22:
item.TargetPoint.Y = (pair.DoubleValue);
break;
case 32:
item.TargetPoint.Z = (pair.DoubleValue);
break;
case 42:
item.LensLength = (pair.DoubleValue);
break;
case 43:
item.FrontClippingPlane = (pair.DoubleValue);
break;
case 44:
item.BackClippingPlane = (pair.DoubleValue);
break;
case 50:
item.TwistAngle = (pair.DoubleValue);
break;
case 71:
item.ViewMode = (pair.ShortValue);
break;
case 281:
item.RenderMode = (DxfViewRenderMode)(pair.ShortValue);
break;
case 72:
item.IsAssociatedUCSPresent = BoolShort(pair.ShortValue);
break;
case 73:
item.IsCameraPlottable = BoolShort(pair.ShortValue);
break;
case 332:
item.BackgroundObjectPointer = UIntHandle(pair.StringValue);
break;
case 334:
item.SelectionObjectPointer = UIntHandle(pair.StringValue);
break;
case 348:
item.VisualStyleObjectPointer = UIntHandle(pair.StringValue);
break;
case 361:
item.SunOwnershipPointer = UIntHandle(pair.StringValue);
break;
case 110:
item.UCSOrigin.X = (pair.DoubleValue);
break;
case 120:
item.UCSOrigin.Y = (pair.DoubleValue);
break;
case 130:
item.UCSOrigin.Z = (pair.DoubleValue);
break;
case 111:
item.UCSXAxis.X = (pair.DoubleValue);
break;
case 121:
item.UCSXAxis.Y = (pair.DoubleValue);
break;
case 131:
item.UCSXAxis.Z = (pair.DoubleValue);
break;
case 112:
item.UCSYAxis.X = (pair.DoubleValue);
break;
case 122:
item.UCSYAxis.Y = (pair.DoubleValue);
break;
case 132:
item.UCSYAxis.Z = (pair.DoubleValue);
break;
case 79:
item.OrthographicViewType = (DxfOrthographicViewType)(pair.ShortValue);
break;
case 146:
item.UCSElevation = (pair.DoubleValue);
break;
case 345:
item.UCSHandle = UIntHandle(pair.StringValue);
break;
case 346:
item.BaseUCSHandle = UIntHandle(pair.StringValue);
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}
internal static DxfUcs FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfUcs();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 70:
item.StandardFlags = (int)pair.ShortValue;
break;
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case 10:
item.Origin = item.Origin.WithUpdatedX(pair.DoubleValue);
break;
case 20:
item.Origin = item.Origin.WithUpdatedY(pair.DoubleValue);
break;
case 30:
item.Origin = item.Origin.WithUpdatedZ(pair.DoubleValue);
break;
case 11:
item.XAxis = item.XAxis.WithUpdatedX(pair.DoubleValue);
break;
case 21:
item.XAxis = item.XAxis.WithUpdatedY(pair.DoubleValue);
break;
case 31:
item.XAxis = item.XAxis.WithUpdatedZ(pair.DoubleValue);
break;
case 12:
item.YAxis = item.YAxis.WithUpdatedX(pair.DoubleValue);
break;
case 22:
item.YAxis = item.YAxis.WithUpdatedY(pair.DoubleValue);
break;
case 32:
item.YAxis = item.YAxis.WithUpdatedZ(pair.DoubleValue);
break;
case 79:
item.OrthographicViewType = (DxfOrthographicViewType)(pair.ShortValue);
break;
case 146:
item.Elevation = (pair.DoubleValue);
break;
case 346:
item.BaseUcsHandle = UIntHandle(pair.StringValue);
break;
case 71:
item.OrthographicType = (DxfOrthographicViewType)(pair.ShortValue);
break;
case 13:
item.OrthographicOrigin = item.OrthographicOrigin.WithUpdatedX(pair.DoubleValue);
break;
case 23:
item.OrthographicOrigin = item.OrthographicOrigin.WithUpdatedY(pair.DoubleValue);
break;
case 33:
item.OrthographicOrigin = item.OrthographicOrigin.WithUpdatedZ(pair.DoubleValue);
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}
internal static DxfLineType FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfLineType();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 70:
item.StandardFlags = pair.ShortValue;
break;
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case 3:
item.Description = (pair.StringValue);
break;
case 72:
item.AlignmentCode = (pair.ShortValue);
break;
case 73:
item._elementCount = (pair.ShortValue);
break;
case 40:
item.TotalPatternLength = (pair.DoubleValue);
break;
case 49:
// start a new element
item.Elements.Add(new DxfLineTypeElement()
{
DashDotSpaceLength = pair.DoubleValue
});
break;
case 74:
// add to last element
if (item.Elements.Count > 0)
{
item.Elements.Last().ComplexFlags = pair.ShortValue;
}
break;
case 75:
// add to last element
if (item.Elements.Count > 0)
{
item.Elements.Last().ShapeNumber = pair.ShortValue;
}
break;
case 340:
// add to last element
if (item.Elements.Count > 0)
{
item.Elements.Last().StylePointer.Handle = UIntHandle(pair.StringValue);
}
break;
case 46:
// add to last element
if (item.Elements.Count > 0)
{
item.Elements.Last().ScaleValues.Add(pair.DoubleValue);
}
break;
case 50:
// add to last element
if (item.Elements.Count > 0)
{
item.Elements.Last().RotationAngle = pair.DoubleValue;
}
break;
case 44:
// add to last element, start a new offset value
if (item.Elements.Count > 0)
{
item.Elements.Last().Offsets.Add(new DxfVector(pair.DoubleValue, 0.0, 0.0));
}
break;
case 45:
// add to last element, add to last offset value
if (item.Elements.Count > 0 && item.Elements.Last().Offsets.Count > 0)
{
item.Elements.Last().Offsets.Last().Y = pair.DoubleValue;
}
break;
case 9:
// add to last element
if (item.Elements.Count > 0)
{
item.Elements.Last().TextString = pair.StringValue;
}
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}
internal static DxfViewPort FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfViewPort();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 70:
item.StandardFlags = (int)pair.ShortValue;
break;
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case 10:
item.LowerLeft.X = (pair.DoubleValue);
break;
case 20:
item.LowerLeft.Y = (pair.DoubleValue);
break;
case 11:
item.UpperRight.X = (pair.DoubleValue);
break;
case 21:
item.UpperRight.Y = (pair.DoubleValue);
break;
case 12:
item.ViewCenter.X = (pair.DoubleValue);
break;
case 22:
item.ViewCenter.Y = (pair.DoubleValue);
break;
case 13:
item.SnapBasePoint.X = (pair.DoubleValue);
break;
case 23:
item.SnapBasePoint.Y = (pair.DoubleValue);
break;
case 14:
item.SnapSpacing.X = (pair.DoubleValue);
break;
case 24:
item.SnapSpacing.Y = (pair.DoubleValue);
break;
case 15:
item.GridSpacing.X = (pair.DoubleValue);
break;
case 25:
item.GridSpacing.Y = (pair.DoubleValue);
break;
case 16:
item.ViewDirection.X = (pair.DoubleValue);
break;
case 26:
item.ViewDirection.Y = (pair.DoubleValue);
break;
case 36:
item.ViewDirection.Z = (pair.DoubleValue);
break;
case 17:
item.TargetViewPoint.X = (pair.DoubleValue);
break;
case 27:
item.TargetViewPoint.Y = (pair.DoubleValue);
break;
case 37:
item.TargetViewPoint.Z = (pair.DoubleValue);
break;
case 40:
item.ViewHeight = (pair.DoubleValue);
break;
case 41:
item.ViewPortAspectRatio = (pair.DoubleValue);
break;
case 42:
item.LensLength = (pair.DoubleValue);
break;
case 43:
item.FrontClippingPlane = (pair.DoubleValue);
break;
case 44:
item.BackClippingPlane = (pair.DoubleValue);
break;
case 45:
item.ViewHeight = (pair.DoubleValue);
break;
case 50:
item.SnapRotationAngle = (pair.DoubleValue);
break;
case 51:
item.ViewTwistAngle = (pair.DoubleValue);
break;
case 71:
item.ViewMode = (DxfViewMode)(pair.ShortValue);
break;
case 72:
item.CircleSides = (int)(pair.ShortValue);
break;
case 73:
item.FastZoom = BoolShort(pair.ShortValue);
break;
case 74:
item.UCSIcon = (pair.ShortValue);
break;
case 75:
item.SnapOn = BoolShort(pair.ShortValue);
break;
case 76:
item.GridOn = BoolShort(pair.ShortValue);
break;
case 77:
item.SnapStyle = (DxfSnapStyle)(pair.ShortValue);
break;
case 78:
item.SnapIsometricPlane = (DxfSnapIsometricPlane)(pair.ShortValue);
break;
case 1:
item.PlotStyleSheet = (pair.StringValue);
break;
case 281:
item.RenderMode = (DxfViewRenderMode)(pair.ShortValue);
break;
case 65:
item.HasOwnUCS = BoolShort(pair.ShortValue);
break;
case 110:
item.UCSOrigin.X = (pair.DoubleValue);
break;
case 120:
item.UCSOrigin.Y = (pair.DoubleValue);
break;
case 130:
item.UCSOrigin.Z = (pair.DoubleValue);
break;
case 111:
item.UCSXAxis.X = (pair.DoubleValue);
break;
case 121:
item.UCSXAxis.Y = (pair.DoubleValue);
break;
case 131:
item.UCSXAxis.Z = (pair.DoubleValue);
break;
case 112:
item.UCSYAxis.X = (pair.DoubleValue);
break;
case 122:
item.UCSYAxis.Y = (pair.DoubleValue);
break;
case 132:
item.UCSYAxis.Z = (pair.DoubleValue);
break;
case 79:
item.OrthographicViewType = (DxfOrthographicViewType)(pair.ShortValue);
break;
case 146:
item.UCSElevation = (pair.DoubleValue);
break;
case 345:
item.UCSHandle = UIntHandle(pair.StringValue);
break;
case 346:
item.BaseUCSHandle = UIntHandle(pair.StringValue);
break;
case 170:
item.ShadePlotSetting = (DxfShadeEdgeMode)(pair.ShortValue);
break;
case 61:
item.MajorGridLines = BoolShort(pair.ShortValue);
break;
case 332:
item.BackgroundObjectPointer = UIntHandle(pair.StringValue);
break;
case 333:
item.ShadePlotObjectPointer = UIntHandle(pair.StringValue);
break;
case 348:
item.VisualStyleObjectPointer = UIntHandle(pair.StringValue);
break;
case 292:
item.IsDefaultLightingOn = (pair.BoolValue);
break;
case 282:
item.DefaultLightingType = (DxfDefaultLightingType)(pair.ShortValue);
break;
case 141:
item.Brightness = (pair.DoubleValue);
break;
case 142:
item.Contrast = (pair.DoubleValue);
break;
case 62:
item.AmbientColor = DxfColor.FromRawValue(pair.ShortValue);
break;
case 421:
item.AmbientColorInt = (pair.IntegerValue);
break;
case 431:
item.AmbientColorName = (pair.StringValue);
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}
internal static DxfFile LoadFromReader(IDxfCodePairReader reader)
{
var file = new DxfFile();
file.Clear();
var buffer = new DxfCodePairBufferReader(reader);
var version = DxfAcadVersion.R14;
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (DxfCodePair.IsSectionStart(pair))
{
buffer.Advance(); // swallow (0, SECTION) pair
var section = DxfSection.FromBuffer(buffer, file, version);
if (section != null)
{
switch (section.Type)
{
case DxfSectionType.Blocks:
file.BlocksSection = (DxfBlocksSection)section;
break;
case DxfSectionType.Entities:
file.EntitiesSection = (DxfEntitiesSection)section;
break;
case DxfSectionType.Classes:
file.ClassSection = (DxfClassesSection)section;
break;
case DxfSectionType.Header:
file.HeaderSection = (DxfHeaderSection)section;
version = file.Header.Version;
break;
case DxfSectionType.Objects:
file.ObjectsSection = (DxfObjectsSection)section;
break;
case DxfSectionType.Tables:
file.TablesSection = (DxfTablesSection)section;
break;
case DxfSectionType.Thumbnail:
file.ThumbnailImageSection = (DxfThumbnailImageSection)section;
break;
}
}
}
else if (DxfCodePair.IsEof(pair))
{
// swallow and quit
buffer.Advance();
break;
}
else if (DxfCodePair.IsComment(pair))
{
// swallow comments
buffer.Advance();
}
else
{
// swallow unexpected code pair
buffer.Advance();
}
}
Debug.Assert(!buffer.ItemsRemain);
DxfPointer.BindPointers(file);
return(file);
}
internal static DxfDimStyle FromBuffer(DxfCodePairBufferReader buffer)
{
var item = new DxfDimStyle();
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 70:
item.StandardFlags = (int)pair.ShortValue;
break;
case DxfCodePairGroup.GroupCodeNumber:
var groupName = DxfCodePairGroup.GetGroupName(pair.StringValue);
item.ExtensionDataGroups.Add(DxfCodePairGroup.FromBuffer(buffer, groupName));
break;
case 3:
item.DimensioningSuffix = (pair.StringValue);
break;
case 4:
item.AlternateDimensioningSuffix = (pair.StringValue);
break;
case 5:
item.ArrowBlockName = (pair.StringValue);
break;
case 6:
item.FirstArrowBlockName = (pair.StringValue);
break;
case 7:
item.SecondArrowBlockName = (pair.StringValue);
break;
case 40:
item.DimensioningScaleFactor = (pair.DoubleValue);
break;
case 41:
item.DimensioningArrowSize = (pair.DoubleValue);
break;
case 42:
item.DimensionExtensionLineOffset = (pair.DoubleValue);
break;
case 43:
item.DimensionLineIncrement = (pair.DoubleValue);
break;
case 44:
item.DimensionExtensionLineExtension = (pair.DoubleValue);
break;
case 45:
item.DimensionDistanceRoundingValue = (pair.DoubleValue);
break;
case 46:
item.DimensionLineExtension = (pair.DoubleValue);
break;
case 47:
item.DimensionPlusTolerance = (pair.DoubleValue);
break;
case 48:
item.DimensionMinusTolerance = (pair.DoubleValue);
break;
case 71:
item.GenerateDimensionTolerances = BoolShort(pair.ShortValue);
break;
case 72:
item.GenerateDimensionLimits = BoolShort(pair.ShortValue);
break;
case 73:
item.DimensionTextInsideHorizontal = BoolShort(pair.ShortValue);
break;
case 74:
item.DimensionTextOutsideHorizontal = BoolShort(pair.ShortValue);
break;
case 75:
item.SuppressFirstDimensionExtensionLine = BoolShort(pair.ShortValue);
break;
case 76:
item.SuppressSecondDimensionExtensionLine = BoolShort(pair.ShortValue);
break;
case 77:
item.TextAboveDimensionLine = BoolShort(pair.ShortValue);
break;
case 78:
item.DimensionUnitZeroSuppression = (DxfUnitZeroSuppression)(pair.ShortValue);
break;
case 79:
item.DimensionAngleZeroSuppression = (DxfUnitZeroSuppression)(pair.ShortValue);
break;
case 140:
item.DimensioningTextHeight = (pair.DoubleValue);
break;
case 141:
item.CenterMarkSize = (pair.DoubleValue);
break;
case 142:
item.DimensioningTickSize = (pair.DoubleValue);
break;
case 143:
item.AlternateDimensioningScaleFactor = (pair.DoubleValue);
break;
case 144:
item.DimensionLinearMeasurementScaleFactor = (pair.DoubleValue);
break;
case 145:
item.DimensionVerticalTextPosition = (pair.DoubleValue);
break;
case 146:
item.DimensionToleranceDisplaceScaleFactor = (pair.DoubleValue);
break;
case 147:
item.DimensionLineGap = (pair.DoubleValue);
break;
case 148:
item.AlternateDimensioningUnitRounding = (pair.DoubleValue);
break;
case 170:
item.UseAlternateDimensioning = BoolShort(pair.ShortValue);
break;
case 171:
item.AlternateDimensioningDecimalPlaces = (pair.ShortValue);
break;
case 172:
item.ForceDimensionLineExtensionsOutsideIfTextExists = BoolShort(pair.ShortValue);
break;
case 173:
item.UseSeparateArrowBlocksForDimensions = BoolShort(pair.ShortValue);
break;
case 174:
item.ForceDimensionTextInsideExtensions = BoolShort(pair.ShortValue);
break;
case 175:
item.SuppressOutsideExtensionDimensionLines = BoolShort(pair.ShortValue);
break;
case 176:
item.DimensionLineColor = DxfColor.FromRawValue(pair.ShortValue);
break;
case 177:
item.DimensionExtensionLineColor = DxfColor.FromRawValue(pair.ShortValue);
break;
case 178:
item.DimensionTextColor = DxfColor.FromRawValue(pair.ShortValue);
break;
case 179:
item.AngularDimensionPrecision = (pair.ShortValue);
break;
case 270:
item.DimensionUnitFormat = (DxfUnitFormat)(pair.ShortValue);
break;
case 271:
item.DimensionUnitToleranceDecimalPlaces = (pair.ShortValue);
break;
case 272:
item.DimensionToleranceDecimalPlaces = (pair.ShortValue);
break;
case 273:
item.AlternateDimensioningUnits = (DxfUnitFormat)(pair.ShortValue);
break;
case 274:
item.AlternateDimensioningToleranceDecimalPlaces = (pair.ShortValue);
break;
case 275:
item.DimensioningAngleFormat = (DxfAngleFormat)(pair.ShortValue);
break;
case 276:
item.DimensionFractionFormat = (DxfDimensionFractionFormat)(pair.ShortValue);
break;
case 277:
item.DimensionNonAngularUnits = (DxfNonAngularUnits)(pair.ShortValue);
break;
case 278:
item.DimensionDecimalSeparatorChar = (char)(pair.ShortValue);
break;
case 279:
item.DimensionTextMovementRule = (DxfDimensionTextMovementRule)(pair.ShortValue);
break;
case 280:
item.DimensionTextJustification = (DxfDimensionTextJustification)(pair.ShortValue);
break;
case 281:
item.SuppressFirstDimensionExtensionLine = BoolShort(pair.ShortValue);
break;
case 282:
item.SuppressSecondDimensionExtensionLine = BoolShort(pair.ShortValue);
break;
case 283:
item.DimensionToleranceVerticalJustification = (DxfJustification)(pair.ShortValue);
break;
case 284:
item.DimensionToleranceZeroSuppression = (DxfUnitZeroSuppression)(pair.ShortValue);
break;
case 285:
item.AlternateDimensioningZeroSupression = (DxfUnitZeroSuppression)(pair.ShortValue);
break;
case 286:
item.AlternateDimensioningToleranceZeroSupression = (DxfUnitZeroSuppression)(pair.ShortValue);
break;
case 287:
item.DimensionTextAndArrowPlacement = (DxfDimensionFit)(pair.ShortValue);
break;
case 288:
item.DimensionCursorControlsTextPosition = BoolShort(pair.ShortValue);
break;
case 289:
item.DimensionTextAndArrowPlacement = (DxfDimensionFit)(pair.ShortValue);
break;
case 340:
item.DimensionTextStyle = (pair.StringValue);
break;
case 341:
item.DimensionLeaderBlockName = (pair.StringValue);
break;
case 342:
item.ArrowBlockName = (pair.StringValue);
break;
case 343:
item.FirstArrowBlockName = (pair.StringValue);
break;
case 344:
item.SecondArrowBlockName = (pair.StringValue);
break;
case 371:
item.DimensionLineWeight = DxfLineWeight.FromRawValue(pair.ShortValue);
break;
case 372:
item.DimensionExtensionLineWeight = DxfLineWeight.FromRawValue(pair.ShortValue);
break;
case (int)DxfXDataType.ApplicationName:
item.XData = DxfXData.FromBuffer(buffer, pair.StringValue);
break;
default:
item.TrySetPair(pair);
break;
}
}
return(item);
}