public FREDrawingVisual(object c)
{
this.context = c.Wrap <IFrameworkRenderElementContext>();
using (var dc = RenderOpen()) {
context.Render(dc);
var controls = new[] { context }.Concat(RenderTreeHelper.RenderDescendants(context));
foreach (var ctrl in controls)
{
var rcbc = ctrl.Wrap <IRenderControlBaseContext>();
if (rcbc == null)
{
continue;
}
dc.PushTransform(rcbc.GeneralTransform);
dc.DrawRectangle(new VisualBrush(rcbc.Control), null, new Rect(new Point(0, 0), rcbc.RenderSize));
dc.Pop();
}
dc.Close();
}
}
public FREDrawingVisual(object context)
{
this.context = context;
using (var dc = this.RenderOpen()) {
DXMethods.Render(((dynamic)context).Factory, dc, context);
var controls = new object[] { context }.Concat(RenderTreeHelper.RenderDescendants(context));
foreach (object ctrl in controls)
{
if (!DXMethods.Is(ctrl, "RenderControlBaseContext", null, false))
{
continue;
}
var dctrl = ((dynamic)ctrl);
dc.PushTransform((dctrl).GeneralTransform);
dc.DrawRectangle(new VisualBrush((dctrl).Control), null, new Rect(new Point(0, 0), (dctrl).RenderSize));
dc.Pop();
}
dc.Close();
}
}
static VisualTreeItem FindNode(VisualTreeItem currentVisualTreeItem, object target)
{
// it might be faster to have a map for the lookup
// check into this at some point
Queue <VisualTreeItem> items = new Queue <VisualTreeItem>();
items.Enqueue(currentVisualTreeItem);
while (items.Count > 0)
{
currentVisualTreeItem = items.Dequeue();
if (currentVisualTreeItem.Target == target)
{
var chrome = currentVisualTreeItem.Target.Wrap <IChrome>();
if (chrome != null && target is IInputElement)
{
var root = chrome.Root;
if (root != null)
{
var child = RenderTreeHelper.HitTest(root, Mouse.GetPosition((IInputElement)target));
var node = currentVisualTreeItem.FindNode(child);
if (node != null)
{
return(node);
}
}
}
return(currentVisualTreeItem);
}
foreach (var child in currentVisualTreeItem.Children)
{
items.Enqueue(child);
}
}
return(null);
}
public static bool IsVisible(IFrameworkRenderElementContext context)
{
return(isVisible(context) && context.ElementHost != null && RenderTreeHelper.RenderAncestors(context).Select(x => x.Wrap <IFrameworkRenderElementContext>()).All(x => isVisible(x)));
}
public static bool IsVisible(object context)
{
return(isVisible(context) && RenderTreeHelper.RenderAncestors(context).All(x => isVisible(x)));
}
