lyx_mirror/src/mathed/math_stringinset.C
André Pönitz 858355fb69 - reduce sizeof(MathCharInset) by 20 by better font caching
(lots of subsequent changes)
- ascii art drawing for \frac and \sqrt


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3780 a592a061-630c-0410-9148-cb99ea01b6c8
2002-03-19 16:55:58 +00:00

130 lines
2.4 KiB
C

#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "math_stringinset.h"
#include "math_mathmlstream.h"
#include "math_streamstr.h"
#include "LColor.h"
#include "Painter.h"
#include "math_support.h"
#include "math_parser.h"
#include "LaTeXFeatures.h"
#include "debug.h"
#include <cctype>
MathStringInset::MathStringInset()
: str_(), code_(LM_TC_MIN)
{}
MathStringInset::MathStringInset(string const & s, MathTextCodes t)
: str_(s), code_(t)
{}
MathInset * MathStringInset::clone() const
{
return new MathStringInset(*this);
}
int MathStringInset::ascent() const
{
return mathed_string_ascent(font_, str_);
}
int MathStringInset::descent() const
{
return mathed_string_descent(font_, str_);
}
int MathStringInset::width() const
{
return mathed_string_width(font_, str_);
}
void MathStringInset::validate(LaTeXFeatures & features) const
{
//lyxerr << "stringinset amssymb" << endl;
if (code_ == LM_TC_MSA || code_ == LM_TC_MSB)
features.require("amssymb");
}
void MathStringInset::metrics(MathMetricsInfo const & mi) const
{
whichFont(font_, code_, mi);
}
void MathStringInset::draw(Painter & pain, int x, int y) const
{
//lyxerr << "drawing '" << str_ << "' code: " << code_ << endl;
drawStr(pain, font_, x, y, str_);
}
void MathStringInset::normalize(NormalStream & os) const
{
os << "[string " << str_ << ' ' << "mathalpha" << "]";
}
void MathStringInset::maplize(MapleStream & os) const
{
if (code_ != LM_TC_VAR || str_.size() <= 1) {
os << ' ' << str_ << ' ';
return;
}
// insert '*' between adjacent chars if type is LM_TC_VAR
os << str_[0];
for (string::size_type i = 1; i < str_.size(); ++i)
os << '*' << str_[i];
}
void MathStringInset::octavize(OctaveStream & os) const
{
if (code_ != LM_TC_VAR || str_.size() <= 1) {
os << ' ' << str_ << ' ';
return;
}
// insert '*' between adjacent chars if type is LM_TC_VAR
os << str_[0];
for (string::size_type i = 1; i < str_.size(); ++i)
os << '*' << str_[i];
}
void MathStringInset::mathmlize(MathMLStream & os) const
{
if (code_ == LM_TC_VAR)
os << "<mi> " << str_ << " </mi>";
else if (code_ == LM_TC_CONST)
os << "<mn> " << str_ << " </mn>";
else if (code_ == LM_TC_RM || code_ == LM_TC_TEXTRM)
os << "<mtext> " << str_ << " </mtext>";
else
os << str_;
}
void MathStringInset::write(WriteStream & os) const
{
if (math_font_name(code_))
os << '\\' << math_font_name(code_) << '{' << str_ << '}';
else
os << str_;
}