1999-09-27 18:44:28 +00:00
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/*
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* File: math_root.C
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2002-03-21 17:42:56 +00:00
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* Purpose: Implementation of the root object
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* Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
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1999-09-27 18:44:28 +00:00
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* Created: January 1999
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* Description: Root math object
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*
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2000-03-09 03:36:48 +00:00
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* Copyright: 1999 Alejandro Aguilar Sierra
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1999-09-27 18:44:28 +00:00
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*
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* You are free to use and modify this code under the terms of
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* the GNU General Public Licence version 2 or later.
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*/
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#ifdef __GNUG__
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#pragma implementation
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#endif
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2001-07-17 07:38:41 +00:00
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#include "math_rootinset.h"
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2001-11-08 12:06:56 +00:00
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#include "math_mathmlstream.h"
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2002-05-23 09:21:32 +00:00
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#include "frontends/Painter.h"
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1999-09-27 18:44:28 +00:00
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2001-10-22 15:37:49 +00:00
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2002-02-16 15:59:55 +00:00
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using std::max;
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2001-06-25 00:06:33 +00:00
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MathRootInset::MathRootInset()
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2001-08-03 17:10:22 +00:00
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: MathNestInset(2)
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2001-02-28 11:56:36 +00:00
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{}
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1999-09-27 18:44:28 +00:00
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2001-06-28 10:25:20 +00:00
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MathInset * MathRootInset::clone() const
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1999-09-27 18:44:28 +00:00
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{
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2001-06-25 00:06:33 +00:00
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return new MathRootInset(*this);
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1999-09-27 18:44:28 +00:00
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}
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2002-05-30 07:09:54 +00:00
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void MathRootInset::metrics(MathMetricsInfo & mi) const
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1999-09-27 18:44:28 +00:00
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{
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2001-10-22 15:37:49 +00:00
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MathNestInset::metrics(mi);
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2002-08-02 14:29:42 +00:00
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dim_.a = max(cell(0).ascent() + 5, cell(1).ascent()) + 2;
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dim_.d = max(cell(1).descent() + 5, cell(0).descent()) + 2;
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dim_.w = cell(0).width() + cell(1).width() + 10;
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2002-07-30 13:56:02 +00:00
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metricsMarkers();
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1999-09-27 18:44:28 +00:00
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}
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2002-07-26 13:13:20 +00:00
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void MathRootInset::draw(MathPainterInfo & pi, int x, int y) const
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2000-02-10 17:53:36 +00:00
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{
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2002-08-02 14:29:42 +00:00
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int const w = cell(0).width();
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2002-02-16 15:59:55 +00:00
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// the "exponent"
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2002-08-02 14:29:42 +00:00
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cell(0).draw(pi, x, y - 5 - cell(0).descent());
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2002-02-16 15:59:55 +00:00
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// the "base"
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2002-08-02 14:29:42 +00:00
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cell(1).draw(pi, x + w + 8, y);
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2001-06-25 00:06:33 +00:00
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int const a = ascent();
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int const d = descent();
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int xp[5];
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int yp[5];
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2002-07-11 11:27:24 +00:00
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xp[0] = x + width(); yp[0] = y - a + 1;
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2001-06-25 00:06:33 +00:00
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xp[1] = x + w + 4; yp[1] = y - a + 1;
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xp[2] = x + w; yp[2] = y + d;
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xp[3] = x + w - 2; yp[3] = y + (d - a)/2 + 2;
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2002-08-05 08:44:08 +00:00
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//xp[4] = x; yp[4] = y + (d - a)/2 + 2;
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xp[4] = x + w - 5; yp[4] = y + (d - a)/2 + 4;
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2002-07-26 13:13:20 +00:00
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pi.pain.lines(xp, yp, 5, LColor::math);
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2002-07-30 13:56:02 +00:00
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drawMarkers(pi, x, y);
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1999-09-27 18:44:28 +00:00
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}
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2001-11-09 08:35:57 +00:00
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void MathRootInset::write(WriteStream & os) const
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2000-03-07 01:14:37 +00:00
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{
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2001-10-19 11:25:48 +00:00
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os << "\\sqrt[" << cell(0) << "]{" << cell(1) << '}';
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1999-09-27 18:44:28 +00:00
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}
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2001-04-25 15:43:57 +00:00
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2001-04-27 12:35:55 +00:00
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2001-11-09 08:35:57 +00:00
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void MathRootInset::normalize(NormalStream & os) const
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2001-04-25 15:43:57 +00:00
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{
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2002-03-21 09:48:46 +00:00
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os << "[root " << cell(0) << ' ' << cell(1) << ']';
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2001-04-25 15:43:57 +00:00
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}
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2001-06-25 00:06:33 +00:00
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2001-10-12 12:02:49 +00:00
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2002-07-30 13:56:02 +00:00
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bool MathRootInset::idxUpDown(idx_type & idx, pos_type & pos, bool up, int) const
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2001-06-25 00:06:33 +00:00
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{
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2002-03-21 09:48:46 +00:00
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bool target = !up; // up ? 0 : 1;
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if (idx == target)
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2001-06-25 00:06:33 +00:00
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return false;
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2002-03-21 09:48:46 +00:00
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idx = target;
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2002-07-30 13:56:02 +00:00
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pos = target ? 0 : cell(0).size();
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2001-06-25 00:06:33 +00:00
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return true;
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}
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2001-11-07 13:15:59 +00:00
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2002-10-28 17:15:19 +00:00
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void MathRootInset::maplize(MapleStream & os) const
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{
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os << "(" << cell(1) << ")^(1/(" << cell(0) <<"))";
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}
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2001-11-07 17:30:26 +00:00
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void MathRootInset::octavize(OctaveStream & os) const
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2001-11-07 13:15:59 +00:00
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{
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2001-11-07 17:30:26 +00:00
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os << "root(" << cell(1) << ',' << cell(0) <<')';
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}
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void MathRootInset::mathmlize(MathMLStream & os) const
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{
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2001-11-09 08:35:57 +00:00
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os << MTag("mroot") << cell(1) << cell(0) << ETag("mroot");
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2001-11-07 13:15:59 +00:00
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}
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