post.h

   1 /* predefined array limits */
   2 #define PATHLEN         1024    /* path length */
   3 #define NFONTS          32      /* number of fonts */
   4 #define FNLEN           32      /* font name length */
   5 #define NGLYPHS         512     /* glyphs in fonts */
   6 #define GNLEN           32      /* glyph name length */
   7 #define ILNLEN          1000    /* line limit of input files */
   8 #define LNLEN           4000    /* line buffer length (ren.c/out.c) */
   9
  10 #define MIN(a, b)       ((a) < (b) ? (a) : (b))
  11 #define MAX(a, b)       ((a) < (b) ? (b) : (a))
  12 #define LEN(a)          (sizeof(a) / sizeof((a)[0]))
  13
  14 /* device related variables */
  15 extern int dev_res;
  16 extern int dev_uwid;
  17 extern int dev_hor;
  18 extern int dev_ver;
  19
  20 struct glyph {
  21         char name[FNLEN];       /* name of the glyph */
  22         char id[FNLEN];         /* device-dependent glyph identifier */
  23         struct font *font;      /* glyph font */
  24         int wid;                /* character width */
  25         int type;               /* character type; ascender/descender */
  26 };
  27
  28 struct font {
  29         char name[FNLEN];
  30         char psname[FNLEN];
  31         struct glyph glyphs[NGLYPHS];
  32         int nglyphs;
  33         int spacewid;
  34         int special;
  35         char c[NGLYPHS][FNLEN];         /* character names in charset */
  36         struct glyph *g[NGLYPHS];       /* character glyphs in charset */
  37         int n;                          /* number of characters in charset */
  38 };
  39
  40 /* output device functions */
  41 int dev_open(char *path);
  42 void dev_close(void);
  43 int dev_mnt(int pos, char *id, char *name);
  44 struct font *dev_font(int fn);
  45 int dev_fontid(struct font *fn);
  46 int charwid(int wid, int sz);
  47 struct glyph *dev_glyph(char *c, int fn);
  48 struct glyph *dev_glyph_byid(char *id, int fn);
  49
  50 /* font-related functions */
  51 struct font *font_open(char *path);
  52 void font_close(struct font *fn);
  53 struct glyph *font_glyph(struct font *fn, char *id);
  54 struct glyph *font_find(struct font *fn, char *name);
  55
  56 /* output functions */
  57 void out(char *s, ...);
  58 void outc(char *s);
  59 void outh(int h);
  60 void outv(int v);
  61 void outrel(int h, int v);
  62 void outfont(int f);
  63 void outsize(int s);
  64 void outpage(void);
  65 extern char o_fonts[];
  66
  67 void drawbeg(char *s);
  68 void drawend(char *s);
  69 void drawl(int h, int v);
  70 void drawc(int c);
  71 void drawe(int h, int v);
  72 void drawa(int h1, int v1, int h2, int v2);
  73 void draws(int h1, int v1, int h2, int v2);
  74
  75 /* postscript functions */
  76 void ps_header(void);
  77 void ps_trailer(int pages, char *fonts);
  78 void ps_pagebeg(int n);
  79 void ps_pageend(int n);