/*
* File: math_root.C
- * Purpose: Implementation of the root object
- * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
+ * Purpose: Implementation of the root object
+ * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
* Created: January 1999
* Description: Root math object
*
* the GNU General Public Licence version 2 or later.
*/
-#ifdef __GNUG__
-#pragma implementation
-#endif
#include "math_rootinset.h"
-#include "support/LOstream.h"
-#include "Painter.h"
+#include "math_mathmlstream.h"
+#include "frontends/Painter.h"
+
+
+using std::max;
+using std::auto_ptr;
+
MathRootInset::MathRootInset()
: MathNestInset(2)
{}
-MathInset * MathRootInset::clone() const
+auto_ptr<InsetBase> MathRootInset::clone() const
{
- return new MathRootInset(*this);
+ return auto_ptr<InsetBase>(new MathRootInset(*this));
}
-void MathRootInset::metrics(MathStyles st) const
+void MathRootInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
- MathNestInset::metrics(st);
- size_ = st;
- ascent_ = std::max(xcell(0).ascent() + 5, xcell(1).ascent()) + 2;
- descent_ = std::max(xcell(1).descent() + 5, xcell(0).descent()) + 2;
- width_ = xcell(0).width() + xcell(1).width() + 10;
+ MathNestInset::metrics(mi);
+ dim_.asc = max(cell(0).ascent() + 5, cell(1).ascent()) + 2;
+ dim_.des = max(cell(1).descent() + 5, cell(0).descent()) + 2;
+ dim_.wid = cell(0).width() + cell(1).width() + 10;
+ metricsMarkers(1);
+ dim = dim_;
}
-void MathRootInset::draw(Painter & pain, int x, int y) const
+void MathRootInset::draw(PainterInfo & pi, int x, int y) const
{
- xo(x);
- yo(y);
- int const w = xcell(0).width();
- xcell(0).draw(pain, x, y - 5 - xcell(0).descent()); // the "exponent"
- xcell(1).draw(pain, x + w + 8, y); // the "base"
- int const a = ascent();
- int const d = descent();
+ int const w = cell(0).width();
+ // the "exponent"
+ cell(0).draw(pi, x, y - 5 - cell(0).descent());
+ // the "base"
+ cell(1).draw(pi, x + w + 8, y);
+ int const a = dim_.ascent();
+ int const d = dim_.descent();
int xp[5];
int yp[5];
- xp[0] = x + width_; yp[0] = y - a + 1;
- xp[1] = x + w + 4; yp[1] = y - a + 1;
- xp[2] = x + w; yp[2] = y + d;
- xp[3] = x + w - 2; yp[3] = y + (d - a)/2 + 2;
- xp[4] = x; yp[4] = y + (d - a)/2 + 2;
- pain.lines(xp, yp, 5, LColor::mathline);
+ xp[0] = x + dim_.width(); yp[0] = y - a + 1;
+ xp[1] = x + w + 4; yp[1] = y - a + 1;
+ xp[2] = x + w; yp[2] = y + d;
+ xp[3] = x + w - 2; yp[3] = y + (d - a)/2 + 2;
+ //xp[4] = x; yp[4] = y + (d - a)/2 + 2;
+ xp[4] = x + w - 5; yp[4] = y + (d - a)/2 + 4;
+ pi.pain.lines(xp, yp, 5, LColor::math);
+ drawMarkers(pi, x, y);
}
-void MathRootInset::write(std::ostream & os, bool fragile) const
+void MathRootInset::write(WriteStream & os) const
{
- os << "\\sqrt[";
- cell(0).write(os, fragile);
- os << "]{";
- cell(1).write(os, fragile);
- os << '}';
+ os << "\\sqrt[" << cell(0) << "]{" << cell(1) << '}';
}
-void MathRootInset::writeNormal(std::ostream & os) const
+void MathRootInset::normalize(NormalStream & os) const
{
- os << "[root ";
- cell(1).writeNormal(os);
- os << " ";
- cell(0).writeNormal(os);
- os << "] ";
+ os << "[root " << cell(0) << ' ' << cell(1) << ']';
}
-bool MathRootInset::idxUp(int & idx, int & pos) const
+
+bool MathRootInset::idxUpDown(idx_type & idx, pos_type & pos, bool up, int) const
{
- if (idx == 0)
+ bool target = !up; // up ? 0 : 1;
+ if (idx == target)
return false;
- idx = 0;
- pos = 0;
+ idx = target;
+ pos = target ? 0 : cell(0).size();
return true;
}
-bool MathRootInset::idxDown(int & idx, int & pos) const
+
+void MathRootInset::maple(MapleStream & os) const
{
- if (idx == 1)
- return false;
- idx = 1;
- pos = 0;
- return true;
+ os << '(' << cell(1) << ")^(1/(" << cell(0) <<"))";
+}
+
+
+void MathRootInset::octave(OctaveStream & os) const
+{
+ os << "root(" << cell(1) << ',' << cell(0) << ')';
+}
+
+
+void MathRootInset::mathmlize(MathMLStream & os) const
+{
+ os << MTag("mroot") << cell(1) << cell(0) << ETag("mroot");
}