public Box createBox(TeXEnvironment env) {
double tw = env.getTextwidth();
if (tw == Float.POSITIVE_INFINITY || type == GATHERED) {
return new MatrixAtom(isPartial, column, "").createBox(env);
}
VerticalBox vb = new VerticalBox();
Atom at = column.array.get(0).get(0);
int alignment = type == GATHER ? TeXConstants.ALIGN_CENTER : TeXConstants.ALIGN_LEFT;
if (at.alignment != -1) {
alignment = at.alignment;
}
vb.add(new HorizontalBox(at.createBox(env), tw, alignment));
Box Vsep = vsep_in.createBox(env);
for (int i = 1; i < column.row - 1; i++) {
at = column.array.get(i).get(0);
alignment = TeXConstants.ALIGN_CENTER;
if (at.alignment != -1) {
alignment = at.alignment;
}
vb.add(Vsep);
vb.add(new HorizontalBox(at.createBox(env), tw, alignment));
}
if (column.row > 1) {
at = column.array.get(column.row - 1).get(0);
alignment = type == GATHER ? TeXConstants.ALIGN_CENTER : TeXConstants.ALIGN_RIGHT;
if (at.alignment != -1) {
alignment = at.alignment;
}
vb.add(Vsep);
vb.add(new HorizontalBox(at.createBox(env), tw, alignment));
}
double height = vb.getHeight() + vb.getDepth();
vb.setHeight(height / 2);
vb.setDepth(height / 2);
return vb;
}
public Box createBox(TeXEnvironment env) {
TeXFont tf = env.getTeXFont();
int style = env.getStyle();
Box b = base != null ? base.createBox(env) : new StrutBox(0, 0, 0, 0);
float sep = new SpaceAtom(TeXConstants.UNIT_POINT, 1f, 0, 0).createBox(env).getWidth();
Box arrow;
if (dble) {
arrow = XLeftRightArrowFactory.create(env, b.getWidth());
sep = 4 * sep;
} else {
arrow = XLeftRightArrowFactory.create(left, env, b.getWidth());
sep = -sep;
}
VerticalBox vb = new VerticalBox();
if (over) {
vb.add(arrow);
vb.add(new HorizontalBox(b, arrow.getWidth(), TeXConstants.ALIGN_CENTER));
float h = vb.getDepth() + vb.getHeight();
vb.setDepth(b.getDepth());
vb.setHeight(h - b.getDepth());
} else {
vb.add(new HorizontalBox(b, arrow.getWidth(), TeXConstants.ALIGN_CENTER));
vb.add(new StrutBox(0, sep, 0, 0));
vb.add(arrow);
float h = vb.getDepth() + vb.getHeight();
vb.setDepth(h - b.getHeight());
vb.setHeight(b.getHeight());
}
return vb;
}
