tr2ps/gen.h

   1 /*
   2  *
   3  * A few definitions that shouldn't have to change. Used by most programs in
   4  * this package.
   5  *
   6  */
   7
   8 #define NON_FATAL       0
   9 #define FATAL           1
  10 #define USER_FATAL      2
  11
  12 #define OFF             0
  13 #define ON              1
  14
  15 #define FALSE           0
  16 #define TRUE            1
  17
  18 #define BYTE            8
  19 #define BMASK           0377
  20
  21 #define POINTS          72.3
  22
  23 #ifndef PI
  24 #define PI              3.141592654
  25 #endif
  26
  27 #define ONEBYTE         0
  28 #define UTFENCODING     1
  29
  30 #define READING         ONEBYTE
  31 #define WRITING         ONEBYTE
  32
  33 /*
  34  *
  35  * DOROUND controls whether some translators include file ROUNDPAGE (path.h)
  36  * after the prologue. Used to round page dimensions obtained from the clippath
  37  * to know paper sizes. Enabled by setting DOROUND to TRUE (or 1).
  38  *
  39  */
  40
  41 #ifndef DOROUND
  42 #define DOROUND         TRUE
  43 #endif
  44
  45 /*
  46  *
  47  * Default resolution and the height and width of a page (in case we need to get
  48  * to upper left corner) - only used in BoundingBox calculations!!
  49  *
  50  */
  51
  52 #define DEFAULT_RES     72
  53 #define PAGEHEIGHT      11.0 * DEFAULT_RES
  54 #define PAGEWIDTH       8.5 * DEFAULT_RES
  55
  56 /*
  57  *
  58  * Simple macros.
  59  *
  60  */
  61
  62 #define ABS(A)          ((A) >= 0 ? (A) : -(A))
  63 #define MIN(A, B)       ((A) < (B) ? (A) : (B))
  64 #define MAX(A, B)       ((A) > (B) ? (A) : (B))
  65