internal override DxfEntity PopulateFromBuffer(DxfCodePairBufferReader buffer)
{
while (buffer.ItemsRemain)
{
var pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
while (this.TrySetExtensionData(pair, buffer))
{
pair = buffer.Peek();
}
if (pair.Code == 0)
{
break;
}
switch (pair.Code)
{
// vertex-specific pairs
case 10:
// start a new vertex
Vertices.Add(new DxfLwPolylineVertex());
Vertices.Last().X = pair.DoubleValue;
break;
case 20:
Vertices.Last().Y = pair.DoubleValue;
break;
case 40:
Vertices.Last().StartingWidth = pair.DoubleValue;
break;
case 41:
Vertices.Last().EndingWidth = pair.DoubleValue;
break;
case 42:
Vertices.Last().Bulge = pair.DoubleValue;
break;
case 91:
Vertices.Last().Identifier = pair.IntegerValue;
break;
// all other pairs
case 39:
Thickness = pair.DoubleValue;
break;
case 43:
ConstantWidth = pair.DoubleValue;
break;
case 70:
Flags = pair.ShortValue;
break;
case 210:
ExtrusionDirection = ExtrusionDirection.WithUpdatedX(pair.DoubleValue);
break;
case 220:
ExtrusionDirection = ExtrusionDirection.WithUpdatedY(pair.DoubleValue);
break;
case 230:
ExtrusionDirection = ExtrusionDirection.WithUpdatedZ(pair.DoubleValue);
break;
default:
if (!base.TrySetPair(pair))
{
ExcessCodePairs.Add(pair);
}
break;
}
buffer.Advance();
}
return(PostParse());
}
protected override IEnumerable <DxfPoint> GetExtentsPoints()
{
yield return(InsertionPoint);
yield return(InsertionPoint + XAxisDirection.Normalize() * HorizontalWidth + ExtrusionDirection.Cross(XAxisDirection).Normalize() * VerticalHeight);
}
