/// <summary>Splits the document basing on the given size.</summary>
/// <param name="size"><strog>Preferred</strog> size for splitting.</param>
/// <returns>
/// The documents which the source document was split into.
/// Be warned that these documents are not closed.
/// </returns>
public virtual IList <PdfDocument> SplitBySize(long size)
{
IList <PageRange> splitRanges = new List <PageRange>();
int currentPage = 1;
int numOfPages = pdfDocument.GetNumberOfPages();
while (currentPage <= numOfPages)
{
PageRange nextRange = GetNextRange(currentPage, numOfPages, size);
splitRanges.Add(nextRange);
IList <int> allPages = nextRange.GetAllPages();
currentPage = (int)allPages[allPages.Count - 1] + 1;
}
return(ExtractPageRanges(splitRanges));
}