public void Invalidate(double scale = 1)
{
if (BoundaryCurveIsDirty)
{
BoundaryPath.Data = CreatePathFromNodeBoundary();
BoundaryCurveIsDirty = false;
}
double node_scale = Scale();
Rectangle bounds = LgNodeInfo.OriginalCurveOfGeomNode.BoundingBox;
Size real_size = new Size(bounds.Width * node_scale * scale,
bounds.Height * node_scale * scale);
if (node_scale < 0.5 && (real_size.Width < _fontSize || real_size.Height < _fontSize))
{
_visualObject.LevelOfDetail = 0;
}
else
{
if (_visualObject.MaxLevelOfDetail == 0)
{
// First time becoming visible: generate visuals
InitiateContainer();
Visual visual;
Rectangle rect;
rect = CreateIcon(new Point(), out visual);
_visualObject.AddDetail(visual, rect);
rect = CreateTitle(rect.RightBottom, out visual);
_visualObject.AddDetail(visual, rect);
rect = CreateDescription(new Point(rect.Center.X, rect.Top), out visual);
_visualObject.AddDetail(visual, rect);
}
_visualObject.LevelOfDetail = _visualObject.MeasureLevelOfDetail(real_size);
CommonX.PositionElement(_visualObject, _visualObject.BoundingBox, Node.BoundingBox, 1 / scale);
}
}
public XLabel(Edge edge)
{
if (false)
{
TextBlock tb = null;
if (edge.Label != null)
{
tb = new TextBlock {
Text = edge.Label.Text
};
System.Windows.Size size = CommonX.Measure(tb);
tb.Width = size.Width;
tb.Height = size.Height;
CommonX.PositionElement(tb, edge.Label.Center, 1);
}
_visualObject = tb;
}
DrawingObject = edge;
}
public void Invalidate(double scale = 1)
{
if (BoundaryCurveIsDirty)
{
BoundaryPath.Data = CreatePathFromNodeBoundary();
BoundaryCurveIsDirty = false;
}
PositionPath(Node.BoundingBox);
var node_scale = Scale();
if (_visualObject != null)
{
if (node_scale < 0.5)
{
if (_visualObject.Visibility != Visibility.Hidden)
{
_visualObject.Visibility = Visibility.Hidden;
BoundaryPath.Fill = BoundaryPath.Stroke;
}
}
else
{
if (_visualObject.Visibility != Visibility.Visible)
{
_visualObject.Visibility = Visibility.Visible;
BoundaryPath.Fill = CommonX.BrushFromMsaglColor(Node.Attr.FillColor);
}
if (_vTitle == null)
{
Grid g = new Grid();
((Border)_visualObject).Child = g;
g.Margin = new Thickness(4);
g.VerticalAlignment = VerticalAlignment.Center;
g.HorizontalAlignment = HorizontalAlignment.Center;
g.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Auto)
});
g.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
_vTitle = new TextBlock {
Text = Node.Label.Text, Name = "Title"
};
_vTitle.VerticalAlignment = VerticalAlignment.Center;
g.Children.Add(_vTitle);
Grid.SetColumn(_vTitle, 1);
if (_category != null)
{
ImageSource src = Categories.GetIcon(_category);
if (src != null)
{
_vIcon = new Image {
Source = src
};
_vIcon.VerticalAlignment = VerticalAlignment.Center;
RenderOptions.SetBitmapScalingMode(_vIcon, BitmapScalingMode.HighQuality);
g.Children.Add(_vIcon);
}
}
}
double fontSize = Math.Min(12 / (node_scale * scale), 12);
_vTitle.FontSize = fontSize;
if (_vIcon != null)
{
_vIcon.Width = fontSize * 2;
}
CommonX.PositionElement(_visualObject, Node.BoundingBox.Center, node_scale);
}
}
}
