private Rectangle CreateIcon(Point origin, out Visual visual)
{
if (_category != null)
{
ImageSource src = NodeCategories.GetIcon(_category);
if (src != null)
{
DrawingVisual icon = new DrawingVisual();
icon.CacheMode = new BitmapCache(1);
DrawingContext context = icon.RenderOpen();
context.DrawImage(src, new Rect(origin.X, origin.Y, _fontSize, _fontSize));
context.Close();
visual = icon;
return(new Rectangle(origin.X, origin.Y, _fontSize, _fontSize));
}
}
visual = null;
return(new Rectangle());
}
public XNode(Node node, GraphNode gnode = null)
{
Node = node;
_vsGraphNodeInfo = gnode;
_visualObject = new LevelOfDetailsContainer();
Brush strokeBrush = CommonX.BrushFromMsaglColor(Node.Attr.Color);
_fill = CommonX.BrushFromMsaglColor(Node.Attr.FillColor);
if (gnode != null)
{
if (gnode.Categories.Count() > 0)
{
_category = gnode.Categories.ElementAt(0).ToString().Replace("CodeSchema_", "");
_fill = NodeCategories.GetFill(_category);
Brush brush = NodeCategories.GetStroke(_category);
if (brush != null)
{
strokeBrush = brush;
}
}
}
BoundaryPath = new Path {
//Data = CreatePathFromNodeBoundary(),
Stroke = strokeBrush,
Fill = _fill,
StrokeThickness = Node.Attr.LineWidth,
Tag = this
};
BoundaryCurveIsDirty = true;
Node.Attr.VisualsChanged += AttrLineWidthHasChanged;
//Node.Attr.GeometryNode.LayoutChangeEvent += GeometryNodeBeforeLayoutChangeEvent;
}