protected void DoWriteLatex(string text, LatexOptions options)
{
options ??= new LatexOptions();
var book = options.Book?.Document ?? Document;
using (new UsingProcessor(() => book.BeginUpdate(), () => book.EndUpdate()))
{
DocumentPosition rangeStart = null, rangeEnd = null;
var parser = new TexFormulaParser();
var formula = parser.Parse(text);
var renderer = formula.GetRenderer(TexStyle.Text, options.FontSize, "Tahoma");
var geometry = renderer.RenderToGeometry(0, 0);
var converter = new SVGConverter();
var svgPathText = converter.ConvertGeometry(geometry);
var svgText = AddSVGHeader(svgPathText);
var imageLatex = PaintSVG(svgText, options.DPI);
AddUserCommentsToImage(imageLatex, text);
var image = book.Images.Append(imageLatex);
image.ScaleX = options.Scale;
image.ScaleY = options.Scale;
var rangeImage = image.Range;
if (rangeStart == null)
{
rangeStart = rangeImage.Start;
}
if (!options.NoLineBreaks)
{
rangeImage = book.AppendText(Environment.NewLine);
}
rangeEnd = rangeImage.End;
if (rangeStart != null && rangeEnd != null)
{
var range = book.CreateRange(rangeStart, rangeEnd.ToInt() - rangeStart.ToInt());
if (!string.IsNullOrWhiteSpace(options.ParagraphStyle))
{
var style = book.ParagraphStyles[options.ParagraphStyle] ?? throw new Exception($"Paragraph style '{options.ParagraphStyle}' does not exist.");
var pp = book.BeginUpdateParagraphs(range);
try
{
pp.Style = style;
}
finally
{
book.EndUpdateParagraphs(pp);
}
}
Script.Book.SCBook.AddComments(book, range, options);
WriteRangeToConsole(book, range);
}
if (rangeEnd != null)
{
book.CaretPosition = rangeEnd;
Script.Book.SCBook.ResetBookFormatting(book, rangeEnd);
ScrollToCaret();
}
}
public SCBook WriteLatex(string text, LatexOptions options = null)
{
ExecuteSynchronized(options, () => DoWriteLatex(text, options));
return(this);
}