void _pushElement(ClipElement element)
{
ClipElement prior = this._lastElement;
if (prior != null)
{
if (prior.isEmpty())
{
ObjectPool <ClipElement> .release(element);
return;
}
if (prior.saveCount == this._saveCount)
{
// can not update prior if it's cross save count.
if (prior.isRect && element.isRect)
{
var isectRect = uiRectHelper.intersect(prior.rect.Value, element.rect.Value);
if (isectRect.isEmpty)
{
prior.setEmpty();
ObjectPool <ClipElement> .release(element);
return;
}
prior.setRect(isectRect);
var priorprior = this.stack.Count > 1 ? this.stack[this.stack.Count - 2] : null;
prior.updateBoundAndGenID(priorprior);
ObjectPool <ClipElement> .release(element);
return;
}
if (!uiRectHelper.overlaps(prior.getBound(), element.getBound()))
{
prior.setEmpty();
ObjectPool <ClipElement> .release(element);
return;
}
}
}
this.stack.Add(element);
this._lastElement = element;
element.updateBoundAndGenID(prior);
}
void _pushElement(ClipElement element)
{
ClipElement prior = this.stack.LastOrDefault();
if (prior != null)
{
if (prior.isEmpty())
{
return;
}
if (prior.saveCount == this._saveCount)
{
// can not update prior if it's cross save count.
if (prior.isRect && element.isRect)
{
var isectRect = prior.rect.intersect(element.rect);
if (isectRect.isEmpty)
{
prior.setEmpty();
return;
}
prior.setRect(isectRect);
var priorprior = this.stack.Count > 1 ? this.stack[this.stack.Count - 2] : null;
prior.updateBoundAndGenID(priorprior);
return;
}
if (!prior.getBound().overlaps(element.getBound()))
{
prior.setEmpty();
return;
}
}
}
this.stack.Add(element);
element.updateBoundAndGenID(prior);
}
