public Drawing(DrawingSettings settings, ReadOnlyTree <string, Layer> layers, string author)
: this(settings, layers, layers.GetKeys().OrderBy(x => x).First(), author)
{
}
public Task <ReadDrawingResult> ReadDrawing(string fileName, Stream fileStream, Func <string, Task <byte[]> > contentResolver)
{
ReadOnlyTree <string, Layer> layers = null;
using (var reader = new StreamReader(fileStream, encoding: Encoding.UTF8, detectEncodingFromByteOrderMarks: true, bufferSize: 1024, leaveOpen: true))
{
var json = reader.ReadToEnd();
var jsonDrawing = JsonConvert.DeserializeObject <JsonDrawing>(json, Settings);
var layerList = new List <Layer>();
foreach (var jsonLayer in jsonDrawing.Floorplan.Layers)
{
var layer = new Layer(jsonLayer.Name, color: CadColor.FromArgb(255, jsonLayer.R, jsonLayer.G, jsonLayer.B));
layerList.Add(layer);
}
layers = ReadOnlyTree <string, Layer> .FromEnumerable(layerList, l => l.Name);
void AddEntityToLayer(string layerName, Entity entity)
{
var layer = layers.GetValue(layerName);
layer = layer.Add(entity);
layers = layers.Insert(layerName, layer);
}
foreach (var block in jsonDrawing.Floorplan.Blocks)
{
switch (block.Name.ToUpperInvariant())
{
case "*MODEL_SPACE":
foreach (var jsonEntity in block.Entities)
{
switch (jsonEntity)
{
case JsonArc jsonArc:
var arc = new Arc(jsonArc.Center, jsonArc.Radius, jsonArc.StartAngle * MathHelper.RadiansToDegrees, jsonArc.EndAngle * MathHelper.RadiansToDegrees, Vector.ZAxis);
AddEntityToLayer(jsonEntity.Layer, arc);
break;
case JsonLine jsonLine:
for (int i = 0; i < jsonLine.Points.Count - 1; i++)
{
AddEntityToLayer(jsonEntity.Layer, new Line(jsonLine.Points[i], jsonLine.Points[i + 1]));
}
if (jsonLine.Points.Count > 2)
{
AddEntityToLayer(jsonEntity.Layer, new Line(jsonLine.Points.Last(), jsonLine.Points.First()));
}
break;
default:
break;
}
}
break;
// TODO: handle other blocks?
}
}
}
var drawing = new Drawing().Update(layers: layers);
return(Task.FromResult(ReadDrawingResult.Succeeded(drawing, null)));
}
public Layer(string name, IEnumerable <Entity> entities, CadColor?color = null, bool isVisible = true)
: this(name, ReadOnlyTree <uint, Entity> .FromEnumerable(entities, (ent) => ent.Id), color, isVisible)
{
}
