/// <summary>
///
/// </summary>
/// <param name="gfx"></param>
/// <param name="layer"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object gfx, Layer layer, ImmutableArray<ShapeProperty> db, Record r)
{
foreach (var shape in layer.Shapes)
{
if (shape.State.HasFlag(_state.DrawShapeState))
{
shape.Draw(gfx, this, 0, 0, db, r);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="layer"></param>
public void Add(Layer layer)
{
if (layer == null)
return;
layer.PropertyChanged += LayerObserver;
Verbose("Add Layer: " + layer.Name);
if (layer.Shapes != null)
{
Add(layer.Shapes);
}
}
/// <summary>
///
/// </summary>
private void Initialize()
{
if (_layer != null)
{
DeInitialize();
}
var layer = DataContext as Layer;
if (layer != null)
{
_layer = layer;
_layer.InvalidateLayer += Invalidate;
}
}
/// <summary>
///
/// </summary>
/// <param name="layer"></param>
public void Remove(Layer layer)
{
if (layer == null)
return;
layer.PropertyChanged -= LayerObserver;
Verbose("Remove Layer: " + layer.Name);
if (layer.Shapes != null)
{
Remove(layer.Shapes);
}
}
/// <summary>
///
/// </summary>
private void DeInitialize()
{
if (_layer != null)
{
_layer.InvalidateLayer -= Invalidate;
_layer = default(Layer);
}
}