public static MathListIndex IndexForPoint <TFont, TGlyph>(
this IGlyphDisplay <TFont, TGlyph> self,
TypesettingContext <TFont, TGlyph> _,
PointF point) where TFont : IFont <TGlyph> =>
point.X > self.Position.X + self.Width / 2
? MathListIndex.Level0Index(self.Range.End)
: MathListIndex.Level0Index(self.Range.Location);
public RadicalDisplay(ListDisplay <TFont, TGlyph> innerDisplay, IGlyphDisplay <TFont, TGlyph> glyph, PointF position, Range range)
{
Radicand = innerDisplay;
_radicalGlyph = glyph;
Position = position;
Range = range;
}
public InnerDisplay(ListDisplay <TFont, TGlyph> inner, IGlyphDisplay <TFont, TGlyph>?left, IGlyphDisplay <TFont, TGlyph>?right, Range range)
{
Inner = inner;
Left = left;
Right = right;
Range = range;
}
public static void HighlightCharacterAt <TFont, TGlyph>(
this IGlyphDisplay <TFont, TGlyph> self,
MathListIndex index, Color color) where TFont : IFont <TGlyph>
{
if (index.SubIndexType != MathListSubIndexType.None)
{
throw new ArgumentException
("The subindex must be none to get the highlight a character in it.", nameof(index));
}
self.Highlight(color);
}
public static PointF?PointForIndex <TFont, TGlyph>(
this IGlyphDisplay <TFont, TGlyph> self,
TypesettingContext <TFont, TGlyph> _,
MathListIndex index) where TFont : IFont <TGlyph> =>
index.SubIndexType != MathListSubIndexType.None
? throw new ArgumentException
("The subindex must be none to get the closest point for it.", nameof(index))
: index.AtomIndex == self.Range.End
// draw a caret after the glyph
? self.Position.Plus(new PointF(self.DisplayBounds().Right, 0))
// draw a caret before the glyph
: self.Position;
public static void Highlight <TFont, TGlyph>(
this IGlyphDisplay <TFont, TGlyph> self, Color color) where TFont : IFont <TGlyph>
{
self.TextColor = color;
}
