public RadicalDisplay(ListDisplay <TFont, TGlyph> innerDisplay, IDownshiftableDisplay <TFont, TGlyph> glyph, PointF position, Range range)
{
Radicand = innerDisplay;
_radicalGlyph = glyph;
Position = position;
Range = range;
}
public FractionDisplay(ListDisplay <TFont, TGlyph> numeratorDisplay, ListDisplay <TFont, TGlyph> denominatorDisplay, PointF currentPosition, Range range)
{
Numerator = numeratorDisplay;
Denominator = denominatorDisplay;
_position = currentPosition;
Range = range;
UpdateNumeratorAndDenominatorPositions();
}
public void SetDegree(ListDisplay <TFont, TGlyph> degree, TFont degreeFont, FontMathTable <TFont, TGlyph> degreeFontMathTable)
{
var kernBefore = degreeFontMathTable.RadicalKernBeforeDegree(degreeFont);
var kernAfter = degreeFontMathTable.RadicalKernAfterDegree(degreeFont);
var raise = degreeFontMathTable.RadicalDegreeBottomRaise(degreeFont) * (this.Ascent - this.Descent);
Degree = degree;
_radicalShift = kernBefore + degree.Width + kernAfter;
if (_radicalShift < 0)
{
kernBefore -= _radicalShift;
_radicalShift = 0;
}
// Position of degree is relative to parent.
Degree.Position = new PointF(this.Position.X + kernBefore, this.Position.Y + raise);
// update the width by the _radicalShift
Width = _radicalShift + _radicalGlyph.Width + Radicand.Width;
_UpdateRadicandPosition();
}