post.h

   1 /* predefined array limits */
   2 #define PATHLEN         1024    /* path length */
   3 #define NFONTS          32      /* number of fonts */
   4 #define NGLYPHS         1024    /* glyphs in fonts */
   5 #define FNLEN           64      /* font name length */
   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 id[GNLEN];         /* device-dependent glyph identifier */
  22         char name[GNLEN];       /* the first character mapped to this glyph */
  23         struct font *font;      /* glyph font */
  24         int wid;                /* character width */
  25         int type;               /* character type; ascender/descender */
  26         int pos;                /* glyph code */
  27 };
  28
  29 struct font {
  30         char name[FNLEN];
  31         char fontname[FNLEN];
  32         struct glyph glyphs[NGLYPHS];
  33         int nglyphs;
  34         int spacewid;
  35         int special;
  36         int cs, bd;                     /* for .cs and .bd requests */
  37         /* glyph list based on the first character of their id fields in glyphs[] */
  38         int ghead[256];                 /* glyph list head */
  39         int gnext[NGLYPHS];             /* next item in glyph list */
  40         /* charset section characters */
  41         char c[NGLYPHS][GNLEN];         /* character names in charset */
  42         struct glyph *g[NGLYPHS];       /* character glyphs in charset */
  43         int n;                          /* number of characters in charset */
  44         /* glyph list based on the first character of glyph names in c[] */
  45         int chead[256];                 /* glyph list head */
  46         int cnext[NGLYPHS];             /* next item in glyph list */
  47 };
  48
  49 /* output device functions */
  50 int dev_open(char *dir, char *dev);
  51 void dev_close(void);
  52 int dev_mnt(int pos, char *id, char *name);
  53 struct font *dev_font(int fn);
  54 int dev_fontid(struct font *fn);
  55 int charwid(int wid, int sz);
  56 struct glyph *dev_glyph(char *c, int fn);
  57
  58 /* font-related functions */
  59 struct font *font_open(char *path);
  60 void font_close(struct font *fn);
  61 struct glyph *font_glyph(struct font *fn, char *id);
  62 struct glyph *font_find(struct font *fn, char *name);
  63
  64 /* output functions */
  65 void out(char *s, ...);
  66 void outc(char *s);
  67 void outh(int h);
  68 void outv(int v);
  69 void outrel(int h, int v);
  70 void outfont(int f);
  71 void outsize(int s);
  72 void outcolor(int c);
  73 void outpage(void);
  74 void outmnt(int f);
  75 extern char o_fonts[];
  76
  77 void drawbeg(void);
  78 void drawend(int close, int fill);
  79 void drawmbeg(char *s);
  80 void drawmend(char *s);
  81 void drawl(int h, int v);
  82 void drawc(int c);
  83 void drawe(int h, int v);
  84 void drawa(int h1, int v1, int h2, int v2);
  85 void draws(int h1, int v1, int h2, int v2);
  86
  87 /* postscript functions */
  88 void ps_header(void);
  89 void ps_trailer(int pages, char *fonts);
  90 void ps_pagebeg(int n);
  91 void ps_pageend(int n);
  92
  93 /* colors */
  94 #define CLR_R(c)                (((c) >> 16) & 0xff)
  95 #define CLR_G(c)                (((c) >> 8) & 0xff)
  96 #define CLR_B(c)                ((c) & 0xff)
  97 #define CLR_RGB(r, g, b)        (((r) << 16) | ((g) << 8) | (b))
  98
  99 char *clr_str(int c);
 100 int clr_get(char *s);