void InsetMathEnsureMath::metrics(MetricsInfo & mi, Dimension & dim) const
{
bool really_change_font = isTextFont(from_ascii(mi.base.fontname));
FontSetChanger dummy(mi.base, "mathnormal", really_change_font);
cell(0).metrics(mi, dim);
metricsMarkers(dim);
}
void InsetMathLefteqn::metrics(MetricsInfo & mi, Dimension & dim) const
{
cell(0).metrics(mi, dim);
dim.asc += 2;
dim.des += 2;
dim.wid = 4;
metricsMarkers(dim);
}
void InsetMathSqrt::metrics(MetricsInfo & mi, Dimension & dim) const
{
cell(0).metrics(mi, dim);
dim.asc += 4;
dim.des += 2;
dim.wid += 12;
metricsMarkers(dim);
}
void InsetMathBrace::metrics(MetricsInfo & mi, Dimension & dim) const
{
Dimension dim0;
cell(0).metrics(mi, dim0);
FontInfo font = mi.base.font;
augmentFont(font, from_ascii("mathnormal"));
Dimension t = theFontMetrics(font).dimension('{');
dim.asc = max(dim0.asc, t.asc);
dim.des = max(dim0.des, t.des);
dim.wid = dim0.width() + 2 * t.wid;
metricsMarkers(dim);
}
void InsetMathXArrow::metrics(MetricsInfo & mi, Dimension & dim) const
{
ScriptChanger dummy(mi.base);
Dimension dim0;
cell(0).metrics(mi, dim0);
Dimension dim1;
cell(1).metrics(mi, dim1);
dim.wid = max(dim0.width(), dim1.width()) + 10;
dim.asc = dim0.height() + 10;
dim.des = dim1.height();
metricsMarkers(dim);
}
void InsetMathUnderset::metrics(MetricsInfo & mi, Dimension & dim) const
{
Dimension dim1;
cell(1).metrics(mi, dim1);
FracChanger dummy(mi.base);
Dimension dim0;
cell(0).metrics(mi, dim0);
dim.wid = max(dim0.width(), dim1.width()) + 4;
dim.asc = dim1.ascent();
dim.des = dim1.descent() + dim0.height() + 4;
metricsMarkers(dim);
}
void InsetMathComment::metrics(MetricsInfo & mi, Dimension & dim) const
{
cell(0).metrics(mi, dim);
metricsMarkers(dim);
}
void InsetMathSize::metrics(MetricsInfo & mi, Dimension & dim) const
{
StyleChanger dummy(mi.base, style_);
cell(0).metrics(mi, dim);
metricsMarkers(dim);
}
void InsetMathFrac::metrics(MetricsInfo & mi, Dimension & dim) const
{
Dimension dim0, dim1, dim2;
if (kind_ == UNIT || (kind_ == UNITFRAC && nargs() == 3)) {
if (nargs() == 1) {
ShapeChanger dummy2(mi.base.font, UP_SHAPE);
cell(0).metrics(mi, dim0);
dim.wid = dim0.width()+ 3;
dim.asc = dim0.asc;
dim.des = dim0.des;
} else if (nargs() == 2) {
cell(0).metrics(mi, dim0);
ShapeChanger dummy2(mi.base.font, UP_SHAPE);
cell(1).metrics(mi, dim1);
dim.wid = dim0.width() + dim1.wid + 5;
dim.asc = max(dim0.asc, dim1.asc);
dim.des = max(dim0.des, dim1.des);
} else {
cell(2).metrics(mi, dim2);
ShapeChanger dummy2(mi.base.font, UP_SHAPE);
FracChanger dummy(mi.base);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
dim.wid = dim0.width() + dim1.wid + dim2.wid + 10;
dim.asc = max(dim2.asc, dim0.height() + 5);
dim.des = max(dim2.des, dim1.height() - 5);
}
} else {
// general cell metrics used for \frac
FracChanger dummy(mi.base);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
if (nargs() == 3)
cell(2).metrics(mi, dim2);
// metrics for special fraction types
if (kind_ == NICEFRAC) {
dim.wid = dim0.width() + dim1.wid + 5;
dim.asc = dim0.height() + 5;
dim.des = dim1.height() - 5;
} else if (kind_ == UNITFRAC) {
ShapeChanger dummy2(mi.base.font, UP_SHAPE);
dim.wid = dim0.width() + dim1.wid + 5;
dim.asc = dim0.height() + 5;
dim.des = dim1.height() - 5;
} else {
if (kind_ == CFRAC || kind_ == CFRACLEFT
|| kind_ == CFRACRIGHT || kind_ == DFRAC) {
// \cfrac and \dfrac are always in display size
StyleChanger dummy2(mi.base, LM_ST_DISPLAY);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
} else if (kind_ == TFRAC) {
// tfrac is in always in text size
StyleChanger dummy2(mi.base, LM_ST_SCRIPT);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
}
dim.wid = max(dim0.wid, dim1.wid) + 2;
dim.asc = dim0.height() + 2 + 5;
dim.des = dim1.height() + 2 - 5;
}
}
metricsMarkers(dim);
}