lyx_mirror/src/mathed/math_dotsinset.C
André Pönitz 6a0b1fe001 crude support for a few more AMS constructs
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4280 a592a061-630c-0410-9148-cb99ea01b6c8
2002-05-29 15:58:26 +00:00

64 lines
1.2 KiB
C

#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "math_dotsinset.h"
#include "math_mathmlstream.h"
#include "math_streamstr.h"
#include "math_support.h"
MathDotsInset::MathDotsInset(string const & name)
: name_(name)
{}
MathInset * MathDotsInset::clone() const
{
return new MathDotsInset(*this);
}
void MathDotsInset::metrics(MathMetricsInfo const & mi) const
{
LyXFont font;
whichFont(font, LM_TC_VAR, mi);
mathed_char_dim(font, 'M', ascent_, descent_, width_);
if (name_ == "ldots" || name_ == "dotsm")
dh_ = 0;
else if (name_ == "cdots" || name_ == "dotsb"
|| name_ == "dotsm" || name_ == "dotsi")
dh_ = ascent_ / 2;
else if (name_ == "dotsc")
dh_ = ascent_ / 4;
else if (name_ == "vdots")
width_ /= 2;
else if (name_ == "ddots")
dh_ = ascent_;
}
void MathDotsInset::draw(Painter & pain, int x, int y) const
{
mathed_draw_deco(pain, x + 2, y - dh_, width_ - 2, ascent_, name_);
if (name_ == "vdots" || name_ == "ddots")
++x;
if (name_ != "vdots")
--y;
mathed_draw_deco(pain, x + 2, y - dh_, width_ - 2, ascent_, name_);
}
void MathDotsInset::write(WriteStream & os) const
{
os << '\\' << name_ << ' ';
}
void MathDotsInset::normalize(NormalStream & os) const
{
os << "[" << name_ << "] ";
}