private static GroupedText GetClosest(IBoundingBox txt, List <GroupedText> groups)
{
double mindist = double.MaxValue;
GroupedText closest = null;
foreach (GroupedText set in groups)
{
double xdist = 0;
double ydist = 0;
double dist = 0;
if (!BoundingBox.IsAlignedVertically(txt, set.Boundary))
{
if (txt.Left < set.Boundary.Left)
{
xdist = set.Boundary.Left - (txt.Left + txt.Width);
}
else
{
xdist = txt.Left - (set.Boundary.Left + set.Boundary.Width);
}
}
if (!BoundingBox.IsAlignedHorizontally(txt, set.Boundary))
{
if (txt.Top < set.Boundary.Top)
{
ydist = set.Boundary.Top - (txt.Top + txt.Height);
}
else
{
ydist = txt.Top - (set.Boundary.Top + set.Boundary.Height);
}
}
dist = Math.Sqrt(xdist * xdist + ydist * ydist);
if (dist < mindist)
{
mindist = dist;
closest = set;
}
}
return(closest);
}
//private static List<GroupedText> GetGroups(IEnumerable<Tree> text)
//{
// List<GroupedText> groups = new List<GroupedText>();
// if (text.Count() > 0)
// {
// groups.Add(new GroupedText(text.First()));
// text = text.Skip(1);
// foreach (Tree txt in text)
// {
// GroupedText nearest = GetClosest(txt, groups);
// int right = nearest.Boundary.Left + nearest.Boundary.Width;
// int bottom = nearest.Boundary.Top + nearest.Boundary.Height;
// if ((txt.Left < right + MAX_SPACE_DIST) && (txt.Top < bottom + MAX_ROW_DIST))
// nearest.Add(txt);
// else
// {
// GroupedText next = new GroupedText(txt);
// groups.Add(next);
// }
// }
// }
// foreach (GroupedText group in groups)
// group.Group.Sort(BoundingBox.CompareByTopThenLeft);
// groups.Sort( CompareGroupBoundingBoxTopTheLeft );
// return groups;
//}
private static int CompareGroupBoundingBoxTopTheLeft(GroupedText g1, GroupedText g2)
{
return BoundingBox.CompareByTopThenLeft(g1.Boundary, g2.Boundary);
}
//private static List<GroupedText> GetGroups(IEnumerable<Tree> text)
//{
// List<GroupedText> groups = new List<GroupedText>();
// if (text.Count() > 0)
// {
// groups.Add(new GroupedText(text.First()));
// text = text.Skip(1);
// foreach (Tree txt in text)
// {
// GroupedText nearest = GetClosest(txt, groups);
// int right = nearest.Boundary.Left + nearest.Boundary.Width;
// int bottom = nearest.Boundary.Top + nearest.Boundary.Height;
// if ((txt.Left < right + MAX_SPACE_DIST) && (txt.Top < bottom + MAX_ROW_DIST))
// nearest.Add(txt);
// else
// {
// GroupedText next = new GroupedText(txt);
// groups.Add(next);
// }
// }
// }
// foreach (GroupedText group in groups)
// group.Group.Sort(BoundingBox.CompareByTopThenLeft);
// groups.Sort( CompareGroupBoundingBoxTopTheLeft );
// return groups;
//}
private static int CompareGroupBoundingBoxTopTheLeft(GroupedText g1, GroupedText g2)
{
return(BoundingBox.CompareByTopThenLeft(g1.Boundary, g2.Boundary));
}