LayoutFarm.HtmlBoxes.SelectionRange.FindNearestLine C# (CSharp) Method

        static CssLineBox FindNearestLine(CssBox startBox, int globalY, int yRange)
        {
            CssLineBox latestLine = null;
            CssBox latestLineBoxOwner = null;
            float latestLineBoxGlobalYPos = 0;
            foreach (CssLineBox lineBox in BoxHitUtils.GetDeepDownLineBoxIter(startBox))
            {
                if (lineBox.CacheLineHeight == 0)
                {
                    continue;
                }
                if (latestLineBoxOwner != lineBox.OwnerBox)
                {
                    //find global position of box
                    latestLineBoxOwner = lineBox.OwnerBox;
                    //TODO: review here , duplicate GetGlobalLocation 
                    float gx, gy;
                    latestLineBoxOwner.GetGlobalLocation(out gx, out gy);
                    latestLineBoxGlobalYPos = gy;
                }

                float lineGlobalBottom = lineBox.CachedLineBottom + latestLineBoxGlobalYPos;
                if (lineGlobalBottom <= globalY)
                {
                    latestLine = lineBox;
                }
                else
                {
                    latestLine = lineBox;
                    break;
                }
            }
            return latestLine;
        }