#include "MathData.h"
#include "MathStream.h"
+#include "MathSupport.h"
#include "Cursor.h"
#include "LaTeXFeatures.h"
void InsetMathRoot::metrics(MetricsInfo & mi, Dimension & dim) const
{
- InsetMathNest::metrics(mi);
- Dimension const & dim0 = cell(0).dimension(*mi.base.bv);
- Dimension const & dim1 = cell(1).dimension(*mi.base.bv);
- dim.asc = max(dim0.ascent() + 5, dim1.ascent()) + 2;
- dim.des = max(dim0.descent() - 5, dim1.descent()) + 2;
- dim.wid = dim0.width() + dim1.width() + 10;
- metricsMarkers(dim);
+ Changer dummy = mi.base.changeEnsureMath();
+ Dimension dim0;
+ {
+ Changer script = mi.base.font.changeStyle(LM_ST_SCRIPTSCRIPT);
+ cell(0).metrics(mi, dim0);
+ // make sure that the dim is high enough for any character
+ Dimension fontDim;
+ math_font_max_dim(mi.base.font, fontDim.asc, fontDim.des);
+ dim0 += fontDim;
+ }
+
+ Dimension dim1;
+ cell(1).metrics(mi, dim1);
+ // make sure that the dim is high enough for any character
+ Dimension fontDim;
+ math_font_max_dim(mi.base.font, fontDim.asc, fontDim.des);
+ dim1 += fontDim;
+
+ dim.asc = max(dim0.ascent() + 5, dim1.ascent()) + 1;
+ dim.des = max(dim0.descent() - 5, dim1.descent());
+ dim.wid = dim0.width() + dim1.width() + 4;
}
void InsetMathRoot::draw(PainterInfo & pi, int x, int y) const
{
+ Changer dummy = pi.base.changeEnsureMath();
+ Dimension const dim = dimension(*pi.base.bv);
+ int const a = dim.ascent();
+ int const d = dim.descent();
Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
int const w = dim0.width();
// the "exponent"
- cell(0).draw(pi, x, y - 5 - dim0.descent());
+ {
+ Changer script = pi.base.font.changeStyle(LM_ST_SCRIPTSCRIPT);
+ cell(0).draw(pi, x, y + (d - a)/2 - dim0.descent());
+ }
// the "base"
- cell(1).draw(pi, x + w + 8, y);
- Dimension const dim = dimension(*pi.base.bv);
- int const a = dim.ascent();
- int const d = dim.descent();
+ cell(1).draw(pi, x + w + 4, y);
int xp[4];
int yp[4];
pi.pain.line(x + dim.width(), y - a + 1,
xp[2] = x + w - 2; yp[2] = y + (d - a)/2 + 2;
xp[3] = x + w - 5; yp[3] = y + (d - a)/2 + 4;
pi.pain.lines(xp, yp, 4, pi.base.font.color());
- drawMarkers(pi, x, y);
}
{
os << MTag("span", "class='root'")
<< MTag("sup") << cell(0) << ETag("sup")
- << from_ascii("√")
- << MTag("span", "class='rootof'") << cell(1) << ETag("span")
+ << from_ascii("√")
+ << MTag("span", "class='rootof'") << cell(1) << ETag("span")
<< ETag("span");
}