public HorizontalBox(Box box, double width, TexAlignment alignment)
: this()
{
var extraWidth = width - box.Width;
if (alignment == TexAlignment.Center)
{
var strutBox = new StrutBox(extraWidth / 2, 0, 0, 0);
Add(strutBox);
Add(box);
Add(strutBox);
}
else if (alignment == TexAlignment.Left)
{
Add(box);
Add(new StrutBox(extraWidth, 0, 0, 0));
}
else if (alignment == TexAlignment.Right)
{
Add(new StrutBox(extraWidth, 0, 0, 0));
Add(box);
}
}
public VerticalBox(Box box, double rest, TexAlignment alignment)
: this()
{
Add(box);
if (alignment == TexAlignment.Center)
{
var strutBox = new StrutBox(0, rest / 2, 0, 0);
base.Add(0, strutBox);
this.Height += rest / 2;
this.Depth += rest / 2;
base.Add(strutBox);
}
else if (alignment == TexAlignment.Top)
{
this.Depth += rest;
base.Add(new StrutBox(0, rest, 0, 0));
}
else if (alignment == TexAlignment.Bottom)
{
this.Height += rest;
base.Add(0, new StrutBox(0, rest, 0, 0));
}
}
public HorizontalBox(Box box, double width, TexAlignment alignment)
: this()
{
var extraWidth = width - box.Width;
if (alignment == TexAlignment.Center)
{
var strutBox = new StrutBox(extraWidth / 2, 0, 0, 0);
Add(strutBox);
Add(box);
Add(strutBox);
}
else if (alignment == TexAlignment.Left)
{
Add(box);
Add(new StrutBox(extraWidth, 0, 0, 0));
}
else if (alignment == TexAlignment.Right)
{
Add(new StrutBox(extraWidth, 0, 0, 0));
Add(box);
}
}
public VerticalBox(Box box, double rest, TexAlignment alignment)
: this()
{
Add(box);
if (alignment == TexAlignment.Center)
{
var strutBox = new StrutBox(0, rest / 2, 0, 0);
base.Add(0, strutBox);
this.Height += rest / 2;
this.Depth += rest / 2;
base.Add(strutBox);
}
else if (alignment == TexAlignment.Top)
{
this.Depth += rest;
base.Add(new StrutBox(0, rest, 0, 0));
}
else if (alignment == TexAlignment.Bottom)
{
this.Height += rest;
base.Add(0, new StrutBox(0, rest, 0, 0));
}
}
protected override Box CreateBoxCore(TexEnvironment environment)
{
var texFont = environment.MathFont;
var style = environment.Style;
// Calculate minimum clearance amount.
double clearance;
var defaultRuleThickness = texFont.GetDefaultLineThickness(style);
if (style < TexStyle.Text)
{
clearance = texFont.GetXHeight(style, texFont.GetCharInfo(sqrtSymbol, style).Value.FontId);
}
else
{
clearance = defaultRuleThickness;
}
clearance = defaultRuleThickness + Math.Abs(clearance) / 4;
// Create box for base atom, in cramped style.
var baseBox = this.BaseAtom == null? StrutBox.Empty: this.BaseAtom.CreateBox(environment.GetCrampedStyle());
// Create box for radical sign.
var totalHeight = baseBox.Height + baseBox.Depth;
var radicalSignBox = DelimiterFactory.CreateBox(sqrtSymbol, totalHeight + clearance + defaultRuleThickness, environment, Source);
radicalSignBox.Source = Source;
// Add half of excess height to clearance.
var delta = radicalSignBox.Depth - (totalHeight + clearance);
clearance += delta / 2;
// Create box for root base containing base box.
var overBar = new OverBar(environment, baseBox, clearance, radicalSignBox.Height)
{
Shift = -defaultRuleThickness,
};
//Create box to hold the radical and the degree atom(if it exists)
var radicalContainerBox = new VerticalBox();
//Create a box for creating a space for the radical sign box's left shift and width
var horizoverlapbox = new StrutBox(0, 0, 0, 0);
radicalContainerBox.Add(horizoverlapbox);
radicalContainerBox.Add(radicalSignBox);
// Create box for root atom.
var radrootBox = this.DegreeAtom == null ?(this.DegreeSpecified? StrutBox.Empty:NullAtom.NullBox) : this.DegreeAtom.CreateBox(environment.GetRootStyle());
var bottomShift = scale * (radicalSignBox.Height + radicalSignBox.Depth);
var rcbItemsdiff = radicalSignBox.TotalHeight - radrootBox.TotalHeight;
bottomShift = rcbItemsdiff;
radrootBox.Shift = 0;
if (radrootBox.TotalHeight < radicalSignBox.TotalHeight / 2)
{
bottomShift = (radicalSignBox.TotalHeight / 2) + radrootBox.TotalHeight;
}
var Vnegspace = new StrutBox(0, -bottomShift, 0, 0);
radicalContainerBox.Add(Vnegspace);
radicalContainerBox.Add(radrootBox);
var leftshift = this.DegreeAtom == null? 0: radrootBox.TotalWidth - radicalSignBox.TotalWidth / 2;
if (radrootBox.TotalWidth < (radicalSignBox.TotalWidth / 2))
{
leftshift = 0;
}
radicalSignBox.Shift = leftshift;
//increase the left overlap width
horizoverlapbox.Width = leftshift + radicalSignBox.Width;
// Create result box.
var resultBox = new HorizontalBox();
resultBox.Add(radicalContainerBox);
//adjust the vertical shift of the radicalContainerBox
radicalContainerBox.Shift = -defaultRuleThickness - radicalContainerBox.Depth;
var leftpad = radicalContainerBox.TotalWidth - radicalSignBox.Shift - radicalSignBox.TotalWidth;
resultBox.Add(new StrutBox(leftpad, 0, 0, 0));
overBar.Shift = -defaultRuleThickness - radicalContainerBox.Depth;
resultBox.Add(overBar);
return(resultBox);
}
