protected override void Write([NotNull] WpfRenderer renderer, [NotNull] EmphasisInline obj)
{
Span span = null;
switch (obj.DelimiterChar)
{
case '*':
case '_':
span = obj.IsDouble ? (Span) new Bold() : new Italic();
break;
case '~':
span = new Span();
if (obj.IsDouble)
{
renderer.Styles.ApplyStrikeThroughStyle(span);
}
else
{
renderer.Styles.ApplySubscriptStyle(span);
if (span.FontSize < 1)
{
span.FontSize = renderer.CurrentFontSize() * span.FontSize;
}
}
break;
case '^':
span = new Span();
renderer.Styles.ApplySuperscriptStyle(span);
if (span.FontSize < 1)
{
span.FontSize = renderer.CurrentFontSize() * span.FontSize;
}
break;
case '+':
span = new Span();
renderer.Styles.ApplyInsertedStyle(span);
break;
case '=':
span = new Span();
renderer.Styles.ApplyMarkedStyle(span);
break;
}
if (span != null)
{
span.Tag = obj;
renderer.Push(span);
renderer.WriteChildren(obj);
renderer.Pop();
}
else
{
renderer.WriteChildren(obj);
}
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] MathInline obj)
{
var text = obj.Content.Text.Substring(obj.Content.Start, obj.Content.Length);
TexFormula formula = null;
try
{
formula = formulaParser.Parse(text);
}
catch (Exception)
{
renderer.WriteInline(new Run("[!!FORMULA PARSE ERROR!!]")
{
Tag = obj
});
return;
}
var fontSize = renderer.CurrentFontSize();
var formulaRenderer = formula.GetRenderer(TexStyle.Display, fontSize, "Arial");
var geo = formulaRenderer.RenderToGeometry(0, 0);
var geoD = new System.Windows.Media.GeometryDrawing(Brushes.Black, null, geo);
var di = new DrawingImage(geoD);
var uiImage = new System.Windows.Controls.Image()
{
Source = di
};
uiImage.Height = formulaRenderer.RenderSize.Height; // size image to match rendersize -> get a zoom of 100%
uiImage.Margin = new System.Windows.Thickness(0, 0, 0, -formulaRenderer.RenderSize.Height * formulaRenderer.RelativeDepth); // Move image so that baseline matches that of text
var uiInline = new System.Windows.Documents.InlineUIContainer()
{
Child = uiImage,
Background = Brushes.Yellow,
BaselineAlignment = System.Windows.BaselineAlignment.Baseline,
Tag = obj,
};
renderer.WriteInline(uiInline);
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] MathBlock obj)
{
string text = string.Empty; // obj.Content.Text.Substring(obj.Content.Start, obj.Content.Length);
for (int i = 0; i < obj.Lines.Count; ++i)
{
var l = obj.Lines.Lines[i];
text += l.Slice.Text.Substring(l.Slice.Start, l.Slice.Length);
}
if (string.IsNullOrEmpty(text))
{
return;
}
TexFormula formula = null;
try
{
formula = formulaParser.Parse(text);
}
catch (Exception)
{
var paragraph = new Paragraph()
{
Tag = obj
};
renderer.Push(paragraph);
renderer.WriteInline(new Run("[!!FORMULA PARSE ERROR!!]")
{
Tag = obj
});
renderer.Pop();
return;
}
var fontSize = renderer.CurrentFontSize();
if (fontSize <= 0)
{
throw new InvalidProgramException();
}
var formulaRenderer = formula.GetRenderer(TexStyle.Display, fontSize, "Arial");
var geo = formulaRenderer.RenderToGeometry(0, 0);
var geoD = new System.Windows.Media.GeometryDrawing(Brushes.Black, null, geo);
var di = new DrawingImage(geoD);
var uiImage = new System.Windows.Controls.Image()
{
Source = di
};
uiImage.Height = formulaRenderer.RenderSize.Height; // size image to match rendersize -> get a zoom of 100%
// uiImage.Margin = new System.Windows.Thickness(0, 0, 0, -formulaRenderer.RenderSize.Height * formulaRenderer.RelativeDepth); // Move image so that baseline matches that of text
var uiBlock = new System.Windows.Documents.BlockUIContainer()
{
Child = uiImage,
Tag = obj,
};
renderer.WriteBlock(uiBlock);
}
