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Fixed underline offset (#70) #75

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Fixed underline offset (#70) #75

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2 changes: 1 addition & 1 deletion src/Avalonia.HtmlRenderer/Adapters/FontAdapter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@ public FontAdapter(Typeface font, double size)
#pragma warning disable CS0618 // Type or member is obsolete
var emHeight = _glyphTypeface.Metrics.DesignEmHeight;
_height = 96d / 72d * (_size / emHeight) * _glyphTypeface.Metrics.LineSpacing;
_underlineOffset = 96d / 72d * (_size / emHeight) * (_glyphTypeface.Metrics.LineSpacing + _glyphTypeface.Metrics.UnderlinePosition);
_underlineOffset = 96d / 72d * (_size / emHeight) * (-_glyphTypeface.Metrics.Ascent + _glyphTypeface.Metrics.UnderlinePosition);

TextRunProperties = new GenericTextRunProperties(font, 96d / 72d * size, null, null, null, BaselineAlignment.Baseline, CultureInfo.CurrentCulture);
TextParagraphProperties = new GenericTextParagraphProperties(TextRunProperties, textWrap: TextWrapping.Wrap);
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