private string[] Paginate(StringBuilder fullText, CairoFont font, double pageWidth, double pageHeight, double lineHeight)
{
TextSizeProber prober = new TextSizeProber();
Stack <string> lines = new Stack <string>(prober.InsertAutoLineBreaks(font, fullText, pageWidth).Reverse());
double lineheight = prober.GetLineHeight(font, lineHeight);
int maxlinesPerPage = (int)(pageHeight / lineheight);
List <string> pagesTemp = new List <string>();
StringBuilder pageBuilder = new StringBuilder();
while (lines.Count > 0)
{
int currentPageLines = 0;
while (currentPageLines < maxlinesPerPage && lines.Count > 0)
{
string line = lines.Pop();
string[] parts = line.Split(new string[] { "___NEWPAGE___" }, 2, StringSplitOptions.None);
if (parts.Length > 1)
{
pageBuilder.AppendLine(parts[0]);
if (parts[1].Length > 0)
{
lines.Push(parts[1]);
}
break;
}
currentPageLines++;
pageBuilder.AppendLine(line);
}
string pageText = pageBuilder.ToString().TrimEnd();
if (pageText.Length > 0)
{
pagesTemp.Add(pageText);
}
pageBuilder.Clear();
}
return(pagesTemp.ToArray());
}