/**
* format a script area. This is an area with a base, and
* optional super and subscript areas.
*/
public static Area Script(IFormattingContext context, Area baseArea,
Area subArea, Length subMinShift, Area superArea, Length superMinShift)
{
// we might have a italic base where we have an overhang at the top, in this
// case we need to add a space for the script elements
float right = baseArea.RightEdge;
// index where to put script elements
int scriptIndex;
// horz area, length = 2, base + scripts or length = 3: base + space + scripts
Area[] horz;
float subShift, superShift;
if(right < 0)
{
scriptIndex = 2;
horz = new Area[3];
horz[1] = new HorizontalSpaceArea(-right);
}
else
{
scriptIndex = 1;
horz = new Area[2];
}
// set the base
horz[0] = baseArea;
CalculateScriptShift(context,
baseArea.BoundingBox,
subArea != null ? subArea.BoundingBox : BoundingBox.New(),
subMinShift,
superArea != null ? superArea.BoundingBox : BoundingBox.New(),
superMinShift,
out subShift, out superShift);
// the script areas go in an overlap area
if(subArea != null && superArea != null)
{
Area[] overlap = new Area[2];
overlap[0] = Shift(-subShift, subArea);
overlap[1] = Shift(superShift, superArea);
horz[scriptIndex] = Overlap(overlap);
}
else if(subArea != null)
{
horz[scriptIndex] = Shift(-subShift, subArea);
}
else if(superArea != null)
{
horz[scriptIndex] = Shift(superShift, superArea);
}
else
{
// no script areas, this is not good, but deal with it anyway
Debug.WriteLine("Warning, no script areas while create a script area, creating default glyph area");
horz[scriptIndex] = String(context, "?");
}
// make a horizontal area out of these
return Horizontal(horz);
}
/**
* format a script area. This is an area with a base, and
* optional super and subscript areas.
*/
public static Area Script(IFormattingContext context, Area baseArea,
Area subArea, Length subMinShift, Area superArea, Length superMinShift)
{
// we might have a italic base where we have an overhang at the top, in this
// case we need to add a space for the script elements
float right = baseArea.RightEdge;
// index where to put script elements
int scriptIndex;
// horz area, length = 2, base + scripts or length = 3: base + space + scripts
Area[] horz;
float subShift, superShift;
if (right < 0)
{
scriptIndex = 2;
horz = new Area[3];
horz[1] = new HorizontalSpaceArea(-right);
}
else
{
scriptIndex = 1;
horz = new Area[2];
}
// set the base
horz[0] = baseArea;
CalculateScriptShift(context,
baseArea.BoundingBox,
subArea != null ? subArea.BoundingBox : BoundingBox.New(),
subMinShift,
superArea != null ? superArea.BoundingBox : BoundingBox.New(),
superMinShift,
out subShift, out superShift);
// the script areas go in an overlap area
if (subArea != null && superArea != null)
{
Area[] overlap = new Area[2];
overlap[0] = Shift(-subShift, subArea);
overlap[1] = Shift(superShift, superArea);
horz[scriptIndex] = Overlap(overlap);
}
else if (subArea != null)
{
horz[scriptIndex] = Shift(-subShift, subArea);
}
else if (superArea != null)
{
horz[scriptIndex] = Shift(superShift, superArea);
}
else
{
// no script areas, this is not good, but deal with it anyway
Debug.WriteLine("Warning, no script areas while create a script area, creating default glyph area");
horz[scriptIndex] = String(context, "?");
}
// make a horizontal area out of these
return(Horizontal(horz));
}
