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@Delaire
Created November 14, 2014 17:02
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//the object of this methode is to create 2 rectangles, from our two objects and see they intersect or not
protected bool IsObjectHidden(FrameworkElement child, FrameworkElement scrollViewer, int Offset)
{
//Getting the information related to the scrollViewer
GeneralTransform childTransform = child.TransformToVisual(scrollViewer);
//creating out first rectangle using the object that i wish to ttrack
Rect childRectangle = childTransform.TransformBounds(new Rect(new Point(0, 0), child.RenderSize));
//creating out second rectangle using the scrollViewer
Rect ownerRectangle = new Rect(new Point(0, 0), scrollViewer.RenderSize);
//Testing
bool isInterset = IntersectsWith(childRectangle, ownerRectangle, Offset);
return !isInterset;
}
//the object of this methode is to create 2 rectangles, from our two objects and see they intersect or not
public static bool IntersectsWith(Rect rect, Rect other, int offset)
{
// Test for separating axis on the two rectangles
if (other.Bottom < rect.Top || other.Right < rect.Left
|| other.Top > rect.Bottom || other.Left > (rect.Right - offset))
{
return false;
}
return true;
}
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