private void _Traverse(AtopBox ab)
{
EWPF.Fixup(ab.Top, _traverseType);
EWPF.Fixup(ab.Bot, _traverseType);
Leaf();
}
static public Box Measure(Expr e, double fsize, DrawingContext dc)
{
Box b = new EWPF(false).Compose(e);
b.Measure(new EDrawingContext(fsize, dc, Colors.Black));
return(b);
}
private void _Traverse(RootBox rb)
{
EWPF.Fixup(rb.Index, _traverseType);
EWPF.Fixup(rb.Radicand, _traverseType);
Leaf();
}
private void _Traverse(AlignmentBox ab)
{
foreach (Box b in ab.Boxes)
{
EWPF.Fixup(b, _traverseType);
}
Leaf();
}
private void _Traverse(VBox vb)
{
foreach (Box b in vb.Boxes)
{
EWPF.Fixup(b, _traverseType);
}
Leaf();
}
static public Geometry ComputeGeometry(Expr e, double fsize, out Rct nombbox)
{
EDrawingContext edc = new EDrawingContext(fsize, null, Colors.Black);
EWPF us = new EWPF(false);
Box b = us.Compose(e);
b.Measure(edc);
nombbox = b.nombbox;
return(b.ComputeGeometry(edc));
}
private void _Traverse(AtomBox ab)
{
EWPF.Fixup(ab.Sub, _traverseType);
if (!(ab.Nucleus is CharBox || ab.Nucleus is StringBox))
{
EWPF.Fixup(ab.Nucleus, _traverseType);
}
EWPF.Fixup(ab.Sup, _traverseType);
Leaf();
}
/// <summary>
/// Note that the y component of the point where returns is the math axis, midway between the baseline and the x-height.
/// </summary>
/// <param name="fsize">Em-height of font to use. (This is essentially the font size.)</param>
/// <param name="where">Note that the y component of the point this returns is the math axis, midway between the baseline and the x-height.</param>
/// <param name="showinvisibles">Whether to draw parentheses indicating function application slightly darker</param>
/// <returns>nominal bounding box of resulting typeset as drawn</returns>
// TJC:
static public BoxRct Draw(Expr e, double fsize, DrawingContext dc, Color color, Func <Rct, EDrawingContext, Pt> where, bool showinvisibles)
{
EDrawingContext edc = new EDrawingContext(fsize, dc, color);
EWPF us = new EWPF(showinvisibles);
edc.Brush.Opacity = Opacity; // TJC: support opacity change
Box b = us.Compose(e);
b.Measure(edc);
Pt loc = where (b.nombbox, edc);
b.Draw(edc, loc);
// TJC:
return(new BoxRct(b, b.nombbox + (Vec)loc));
}