IEnumerable<Page> Layout(Lines root)
{
var pagedDocument = new List<Page>();
var currentPage = Page.First();
var currentPageNumer = 1;
foreach (var line in from lines in root.FitTo(pageHeight, pageHeight)
from line in lines
select line)
{
if (line.Top >= TopOfNextPage(currentPageNumer))
{
pagedDocument.Add(currentPage);
currentPage = currentPage.Next();
currentPageNumer++;
}
currentPage.Add(line, TopOfPage(currentPageNumer));
}
pagedDocument.Add(currentPage);
return pagedDocument;
}