/// <summary>
/// Convert latex formula and render it.
/// </summary>
public void ConvertFormula()
{
if (IsRendering)
{
return;
}
PreConvert();
var dump = outputMath.Source;
outputMath.Source = null;
// Get the formula latex.
var tex = txtInputFomula.Text.Trim();
if (Regex.IsMatch(tex, @"^\s*$"))
{
PostConvert("[ERROR] Empty formula.");
return;
}
// Record last text for not converting.
if (!IsForcing && currentLatexText == tex)
{
PostConvert($"[REJECT] Text not changed.\nTry angin in {ForceDelayTime / 1000.0}s to force to convert.");
// Wait sometime for force converting.
TaskCancel = new CancellationTokenSource();
var x = new Thread(new ThreadStart(ForceConvertEnd));
x.IsBackground = true;
x.Start();
outputMath.Source = dump;
return;
}
// Stop wait for force converting.
if (TaskCancel != null)
{
TaskCancel.Cancel();
}
currentLatexText = tex;
IsForcing = false;
// Implement mathjax parser.
string svgtext, mmltext;
try {
svgtext = MathjaxParser.GetInstance().Run(tex, out mmltext);
} catch (Exception e) {
PostConvert("[ERROR] Incorrect formula:\n" + e);
return;
}
outpuMML.Text = mmltext;
// Render SvgImage to ImageSource for showing
// TODO: I still wonder how to use async well
Render(svgtext);
}
public winMain(winSplash splash = null)
{
InitializeComponent();
DataContext = this;
if (splash != null)
{
splash.InvokeUpdate("Loading application settings ...");
}
_FormulaZoom = Settings.Default.FormulaScale;
ClipBgColor.SelectedColor = Settings.Default.BgColorToClip;
JpgBgColor.SelectedColor = Settings.Default.BgColorToJpg;
if (splash != null)
{
splash.InvokeUpdate("Loading V8 javascipt engine ...");
}
_ = MathjaxParser.GetInstance();
if (splash != null)
{
splash.InvokeUpdate("Loading application resouces ...");
}
//InitializeFontSelector();
//formulaFontName = ((FontFamily)eFontFamily.GetFirstCheckedItem().Tag).ToString();
//formulaFontSize = (double)eFontSize.EditValue;
DataObject.AddCopyingHandler(txtInputFomula, OnInputFomulaCopying);
if (Clipboard.ContainsText())
{
myClipboard.Add(Clipboard.GetText());
}
if (splash != null)
{
splash.InvokeUpdate("Loading latex resources ...");
}
LoadSymbols();
if (splash != null)
{
splash.InvokeUpdate("Show window ...");
}
AddNotifiactions();
Application.Current.Exit += OnApplicationExit;
}
