lily/include/dimensions.hh

   1 #ifndef DIMENSIONS_HH
   2 #define DIMENSIONS_HH
   3
   4 #include "real.hh"
   5 #include "std-string.hh"
   6
   7 const Real INCH_TO_PT = 72.270;
   8 const Real CM_TO_PT = (INCH_TO_PT / 2.54);
   9 const Real MM_TO_PT = (CM_TO_PT / 10);
  10 const Real PT_TO_PT = 1.0;
  11 const Real INCH_TO_BP = 72;
  12 const Real BIGPOINT_TO_POINT = (INCH_TO_PT / INCH_TO_BP);
  13 const Real CHAR_TO_PT = 1.0;
  14 const Real PT_TO_MM = (1.0 / MM_TO_PT);
  15
  16 #ifdef POINTS
  17
  18 #define INTERNAL_UNIT "pt"
  19
  20 #define PT *(PT_TO_PT)
  21 #define MM *(MM_TO_PT)
  22 #define CM *(CM_TO_PT)
  23 #define INCH *(INCH_TO_PT)
  24 #define BIGPOINT *(BIGPOINT_TO_POINT)
  25 #define CHAR *(CHAR_TO_PT)
  26
  27 #else // mm
  28
  29 #define INTERNAL_UNIT "mm"
  30
  31 #define PT *(PT_TO_PT *PT_TO_MM)
  32 #define MM *(MM_TO_PT *PT_TO_MM)
  33 #define CM *(CM_TO_PT *PT_TO_MM)
  34 #define INCH *(INCH_TO_PT *PT_TO_MM)
  35 #define BIGPOINT *(BIGPOINT_TO_POINT *PT_TO_MM)
  36 #define CHAR *(CHAR_TO_PT *PT_TO_MM)
  37
  38 #endif
  39
  40 string print_dimen (Real);
  41 const Real point_constant = 1 PT;
  42 const Real inch_constant = 1 INCH;
  43 const Real cm_constant = 1 CM;
  44 const Real mm_constant = 1 MM;
  45 const Real bigpoint_constant = 1 BIGPOINT;
  46
  47 #endif /* DIMENSIONS_HH */
  48