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 FractionDisplay(ListDisplay <TFont, TGlyph> numeratorDisplay, ListDisplay <TFont, TGlyph> denominatorDisplay, PointF currentPosition, Range range)
{
Numerator = numeratorDisplay;
Denominator = denominatorDisplay;
_position = currentPosition;
Range = range;
UpdateNumeratorAndDenominatorPositions();
}
public LargeOpLimitsDisplay(IDisplay <TFont, TGlyph> nucleusDisplay,
ListDisplay <TFont, TGlyph>?upperLimit,
float upperLimitGap,
ListDisplay <TFont, TGlyph>?lowerLimit,
float lowerLimitGap,
float limitShift,
int extraPadding)
{
NucleusDisplay = nucleusDisplay;
UpperLimit = upperLimit;
_upperLimitGap = upperLimitGap;
LowerLimit = lowerLimit;
_lowerLimitGap = lowerLimitGap;
_limitShift = limitShift;
_extraPadding = extraPadding; // corresponds to \xi_13 in TeX.
Width =
Math.Max(nucleusDisplay?.Width ?? 0f,
Math.Max(upperLimit?.Width ?? 0f, lowerLimit?.Width ?? 0f));
UpdateComponentPositions();
}
public void SetDegree(ListDisplay <TFont, TGlyph> degree, TFont degreeFont, FontMathTable <TFont, TGlyph> degreeFontMathTable)
{
var kernBefore = degreeFontMathTable.RadicalKernBeforeDegree(degreeFont);
Degree = degree;
_radicalShift = kernBefore + degree.Width +
degreeFontMathTable.RadicalKernAfterDegree(degreeFont);
if (_radicalShift < 0)
{
kernBefore -= _radicalShift;
_radicalShift = 0;
}
// Position of degree is relative to parent.
Degree.Position =
new PointF(Position.X + kernBefore, Position.Y +
degreeFontMathTable.RadicalDegreeBottomRaise(degreeFont) * (Ascent - Descent));
// update the width by the _radicalShift
Width = _radicalShift + _radicalGlyph.Width + Radicand.Width;
UpdateRadicandPosition();
}
