src/mathed/math_kerninset.C

   1 #include <config.h>
   2
   3 #ifdef __GNUG__
   4 #pragma implementation
   5 #endif
   6
   7 #include "math_kerninset.h"
   8 #include "math_extern.h"
   9 #include "math_mathmlstream.h"
  10 #include "math_streamstr.h"
  11 #include "math_support.h"
  12 #include "lyxrc.h"
  13
  14
  15 MathKernInset::MathKernInset()
  16 {}
  17
  18
  19 MathKernInset::MathKernInset(LyXLength const & w)
  20         : wid_(w)
  21 {}
  22
  23
  24 MathKernInset::MathKernInset(string const & s)
  25         : wid_(s)
  26 {}
  27
  28
  29 MathInset * MathKernInset::clone() const
  30 {
  31         return new MathKernInset(*this);
  32 }
  33
  34
  35 void MathKernInset::metrics(MathMetricsInfo & /*mi*/) const
  36 {
  37 #ifdef WITH_WARNINGS
  38 #warning fix this once the interface to LyXLength has improved
  39 #endif
  40         // this uses the numerical valu in pixels, even if the unit is cm or ex!
  41         width_   = static_cast<int>(wid_.value());
  42         width_   = (width_*static_cast<int>(lyxrc.zoom))/150;
  43         ascent_  = 0;
  44         descent_ = 0;
  45         //cerr << "handling kern of width " << wid_.value() << "\n";
  46 }
  47
  48
  49 void MathKernInset::draw(MathPainterInfo &, int, int) const
  50 {}
  51
  52
  53 void MathKernInset::write(WriteStream & os) const
  54 {
  55         os << "\\kern" << wid_.asLatexString() << " ";
  56 }
  57
  58
  59 void MathKernInset::normalize(NormalStream & os) const
  60 {
  61         os << "[kern " << wid_.asLatexString() << "]";
  62 }