internal void Detach(GLDrawContext context)
{
foreach (var primitive in context.Primitives)
{
_Detach(primitive);
}
}
private void _UpdateBounds(GLDrawContext context)
{
var scale = _panel.ScaleX;
_bounds = RectF.Empty;
_geometryBounds = RectF.Empty;
if (context.HasPrimitives)
{
foreach (var primitive in context.Primitives)
{
_bounds.Union(primitive.GetBounds(scale));
_geometryBounds.Union(primitive.GetGeometryBounds(scale));
}
}
}
public GLVisual()
{
_context1 = new GLDrawContext(this);
_context2 = new GLDrawContext(this);
_bounds = RectF.Empty;
_geometryBounds = RectF.Empty;
_hitTestVisible = true;
_isDeleted = true;
_fillModels = new Dictionary <Color, List <MeshModel> >();
_arrowModels = new Dictionary <Color, List <MeshModel> >();
_streamModels = new List <MeshModel>();
_lineModels = new SortedDictionary <PenF, List <MeshModel> >();
_arcModels = new SortedDictionary <PenF, List <MeshModel> >();
_pointModels = new SortedDictionary <PointPair, List <MeshModel> >();
}
public virtual bool Dispose()
{
if (IsUpdating)
{
NeedDispose = true;
return(false);
}
if (_isDisposed)
{
return(false);
}
_isDisposed = true;
NeedDispose = false;
_DisposeModels();
_context1?.Dispose();
_context1 = null;
_context2?.Dispose();
_context2 = null;
_panel = null;
return(true);
}
/// <summary> /// Actual drawing logic /// </summary> /// <param name="context"></param> protected abstract void Draw(GLDrawContext context);
