public object GetFileSettingsFromDrawing(Drawing drawing)
{
var settings = new DxfFileSettings();
var dxfFile = drawing.Tag as DxfFile;
if (dxfFile != null)
{
settings.FileVersion = dxfFile.Header.Version.ToFileVersion();
}
return(settings);
}
public INotifyPropertyChanged GetFileSettingsFromDrawing(Drawing drawing)
{
var settings = new DxfFileSettings();
var dxfFile = drawing.Tag as DxfFile;
if (dxfFile != null)
{
settings.FileVersion = dxfFile.Header.Version.ToFileVersion();
}
return(settings);
}
public static DxfFile ToDxfFile(Drawing drawing, ViewPort viewPort, DxfFileSettings settings)
{
var file = new DxfFile();
file.Layers.Clear();
if (drawing.Tag is DxfFile oldFile)
{
// preserve settings from the original file
file.Header.CreationDate = oldFile.Header.CreationDate;
file.Header.CreationDateUniversal = oldFile.Header.CreationDateUniversal;
file.Header.Version = oldFile.Header.Version;
}
if (settings is object)
{
file.Header.Version = settings.FileVersion.ToDxfFileVersion();
}
// save layers and entities
file.Header.CurrentLayer = drawing.CurrentLayer.Name;
file.Header.UnitFormat = drawing.Settings.UnitFormat.ToDxfUnitFormat();
file.Header.UnitPrecision = (short)drawing.Settings.UnitPrecision;
file.Header.AngleUnitPrecision = (short)drawing.Settings.AnglePrecision;
foreach (var layer in drawing.GetLayers().OrderBy(x => x.Name))
{
if (!file.Layers.Any(l => l.Name == layer.Name))
{
file.Layers.Add(new DxfLayer(layer.Name, layer.Color.ToDxfColor())
{
IsLayerOn = layer.IsVisible
});
}
foreach (var item in layer.GetEntities().OrderBy(e => e.Id))
{
if (item.Kind == EntityKind.Aggregate)
{
// dxf files treat aggregate entities as separate items
var agg = (AggregateEntity)item;
var block = new DxfBlock();
block.Layer = layer.Name;
foreach (var child in agg.Children.Select(c => c.ToDxfEntity(layer)))
{
block.Entities.Add(child);
}
file.Blocks.Add(block);
}
else
{
var entity = item.ToDxfEntity(layer);
if (entity != null)
{
file.Entities.Add(entity);
}
}
}
}
// save viewport
// TODO: use `DxfFile.ActiveViewPort` when available
file.ViewPorts.Clear();
file.ViewPorts.Add(new DxfViewPort(DxfViewPort.ActiveViewPortName)
{
LowerLeft = viewPort.BottomLeft.ToDxfPoint(),
ViewDirection = viewPort.Sight.ToDxfVector(),
ViewHeight = viewPort.ViewHeight
});
return(file);
}
