public void Update(Rectangle area)
{
rectProjector = new ViewRectProjector(viewWidget, area);
var viewProjectors = new List <ViewProjector>();
Process(viewWidget, viewProjectors);
imageCombinerStack.Clear();
}
private static ContentSizeComponent ProcessWidget(Widget widget, Dictionary <Node, ContentSizeComponent> children)
{
var animationDuration = 0;
foreach (var child in widget.Nodes)
{
foreach (var animator in child.Animators)
{
animationDuration = Math.Max(animationDuration, animator.Duration);
}
}
var animationFrame = widget.DefaultAnimation.Frame;
var projector = new ViewRectProjector(widget, Rectangle.Empty);
var aabb = new Rectangle(float.MaxValue, float.MaxValue, float.MinValue, float.MinValue);
var isEmpty = true;
for (var frame = 0; frame <= animationDuration; frame++)
{
widget.DefaultAnimation.Frame = frame;
widget.Update(0);
foreach (var child in children)
{
var childWidget = (Widget)child.Key;
if (!childWidget.Visible || childWidget.Color.A == 0)
{
continue;
}
isEmpty = false;
var size = child.Value.Size.ForProjection(child.Key);
size = projector.Project(child.Key, size);
var childAabb = ((ContentRectangle)size).Data;
aabb = Rectangle.Bounds(aabb, childAabb);
}
}
widget.DefaultAnimation.Frame = animationFrame;
if (isEmpty)
{
return(ProcessEmptyNode(widget));
}
var selfSize = widget.Components.GetOrAdd <ContentSizeComponent>();
selfSize.Size = new ContentRectangle(aabb, Vector2.One / widget.Size);
return(selfSize);
}
