src/Spacing.h

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1995 Matthias Ettrich
   8  *           Copyright 1995-1999 The LyX Team.
   9  *
  10  * ======================================================*/
  11
  12 #ifndef SPACING_H
  13 #define SPACING_H
  14
  15 #include <cstdio>
  16
  17 ///
  18 class Spacing {
  19 public:
  20         ///
  21         enum Space {
  22                 ///
  23                 Single,
  24                 ///
  25                 Onehalf,
  26                 ///
  27                 Double,
  28                 ///
  29                 Other
  30         };
  31         ///
  32         Spacing()
  33         {
  34                 space = Single;
  35                 value = getValue();
  36         }
  37         ///
  38         float getValue() const
  39         {
  40                 switch(space) {
  41                 case Single: return 1.0;
  42                 case Onehalf: return 1.25;
  43                 case Double: return 1.667;
  44                 case Other: return value;
  45                 }
  46                 return 1.0;
  47         }
  48         ///
  49         Spacing::Space getSpace() const
  50         {
  51                 return space;
  52         }
  53         ///
  54         void set(Spacing::Space sp, float val= 1.0)
  55         {
  56                 space = sp;
  57                 if (sp == Other) {
  58                         switch(int(val*1000 + 0.5)) {
  59                         case 1000: space = Single; break;
  60                         case 1250: space = Onehalf; break;
  61                         case 1667: space = Double; break;
  62                         default: value = val; break;
  63                         }
  64                 }
  65         }
  66         ///
  67         void set(Spacing::Space sp, char const* val)
  68         {
  69                 float fval;
  70                 sscanf(val,"%f",&fval);
  71                 set(sp,fval);
  72         }
  73         ///
  74         void writeFile(FILE *file);
  75         ///
  76         friend bool operator!=(Spacing const &a, Spacing const &b)
  77         {
  78                 if (a.space == b.space && a.getValue() == b.getValue())
  79                         return false;
  80                 return true;
  81         }
  82 private:
  83         ///
  84         Space space;
  85         ///
  86         float value;
  87 };
  88
  89 #endif