private void RedrawMolecule(Molecule molecule, Rect?boundingBox = null)
{
if (chemicalVisuals.ContainsKey(molecule))
{
var doomed = chemicalVisuals[molecule];
DeleteVisual(doomed);
chemicalVisuals.Remove(molecule);
}
bool showBrackets = molecule.ShowMoleculeBrackets.HasValue && molecule.ShowMoleculeBrackets.Value ||
molecule.Count.HasValue && molecule.Count.Value > 0 ||
molecule.FormalCharge.HasValue && molecule.FormalCharge.Value != 0 ||
molecule.SpinMultiplicity.HasValue && molecule.SpinMultiplicity.Value > 1;
var groupKey = molecule.GetGroupKey();
if (chemicalVisuals.ContainsKey(groupKey)) //it's already in the list
{
var doomed = chemicalVisuals[groupKey];
DeleteVisual(doomed);
chemicalVisuals.Remove(groupKey);
}
var footprint = GetExtents(molecule);
if (molecule.IsGrouped && ShowGroups)
{
//we may be passing in a null bounding box here
chemicalVisuals[groupKey] = new GroupVisual(molecule, footprint);
var gv = (GroupVisual)chemicalVisuals[groupKey];
gv.ChemicalVisuals = chemicalVisuals;
gv.Render();
AddVisual(gv);
}
if (boundingBox == null)
{
boundingBox = Rect.Empty;
}
if (showBrackets)
{
boundingBox.Value.Union(footprint);
var mv = new MoleculeVisual(molecule, footprint);
chemicalVisuals[molecule] = mv;
mv.Render();
AddVisual(mv);
boundingBox.Value.Union(mv.ContentBounds);
}
}
public Rect GetDrawnBoundingBox(Molecule molecule)
{
var bb = GetExtents(molecule);
foreach (var m in molecule.Molecules.Values)
{
if (chemicalVisuals.TryGetValue(m.GetGroupKey(), out DrawingVisual molVisual))
{
GroupVisual gv = (GroupVisual)molVisual;
bb.Union(gv.ContentBounds);
bb.Inflate(Spacing, Spacing);
}
else
{
bb.Union(GetDrawnBoundingBox(m));
}
}
return(bb);
}
public GroupHoverAdorner(UIElement adornedElement, GroupVisual targetedVisual) : this(adornedElement)
{
_targetedVisual = targetedVisual;
}
VisualSelection model;// = new VisualSelection();
public MainWindow()
{
InitializeComponent();
GroupVisual host = new GroupVisual();
// 单一图形
Rectangle rect = new Rectangle(new Rect(20, 20, 40, 40), 0, 0);
GeomVisual g1 = new GeomVisual(rect);
g1.Fill = Brushes.Blue.CloneCurrentValue();
g1.Angle = 20;
g1.Origin = new Point(30, 30);
host.AddIntoGroup(g1);
Rectangle rrr = new Rectangle(new Rect(50, 50, 40, 40), 0, 0);
GeomVisual g2 = new GeomVisual(rrr);
//g2.Fill = Brushes.Blue.CloneCurrentValue();
g2.Angle = 0;
g2.Origin = new Point(50, 50);
host.AddIntoGroup(g2);
//Rect r1 = g1.ContentBounds;
//Rect r2 = g1.DescendantBounds;
//r1.Transform(g1.Transform.Value);
// 组合图形
GroupVisual group = new GroupVisual();
GeomVisual ga = new GeomVisual(
new Rectangle(new Rect(250, 250, 50, 50), 0, 0));
group.AddIntoGroup(ga);
GeomVisual gb = new GeomVisual(
new Rectangle(new Rect(200, 300, 20, 80), 0, 0));
group.AddIntoGroup(gb);
host.AddIntoGroup(group);
group.Angle = 30;
canvas.DataContext = host;
//r1 = group.ContentBounds;
//r2 = group.DescendantBounds;
//b = g1;
//model = new VisualEditViewModel();
model = canvas.VisualSelection;
List <GraphicVisual> list = new List <GraphicVisual>()
{
g1, g2
};
model.AddIntoSelection(list);
model.AddIntoSelection(g1);
//model.AddIntoSelection(g2);
//model.AddIntoSelection(group);
Loaded += MainWindow_Loaded;
}
