post.h

   1 /* predefined array limits */
   2 #define PATHLEN         1024    /* path length */
   3 #define NFONTS          1024    /* number of fonts */
   4 #define FNLEN           64      /* font name length */
   5 #define GNLEN           32      /* glyph name length */
   6 #define ILNLEN          1000    /* line limit of input files */
   7 #define LNLEN           4000    /* line buffer length (ren.c/out.c) */
   8
   9 #define MIN(a, b)       ((a) < (b) ? (a) : (b))
  10 #define MAX(a, b)       ((a) < (b) ? (b) : (a))
  11 #define LEN(a)          (sizeof(a) / sizeof((a)[0]))
  12
  13 /* device related variables */
  14 extern int dev_res;
  15 extern int dev_uwid;
  16 extern int dev_hor;
  17 extern int dev_ver;
  18
  19 struct glyph {
  20         char id[GNLEN];         /* device-dependent glyph identifier */
  21         char name[GNLEN];       /* the first character mapped to this glyph */
  22         struct font *font;      /* glyph font */
  23         int wid;                /* character width */
  24         int type;               /* character type; ascender/descender */
  25         int pos;                /* glyph code */
  26 };
  27
  28 /* output device functions */
  29 int dev_open(char *dir, char *dev);
  30 void dev_close(void);
  31 int dev_mnt(int pos, char *id, char *name);
  32 struct font *dev_font(int fn);
  33 int dev_fontid(struct font *fn);
  34 struct glyph *dev_glyph(char *c, int fn);
  35
  36 /* font-related functions */
  37 struct font *font_open(char *path);
  38 void font_close(struct font *fn);
  39 struct glyph *font_glyph(struct font *fn, char *id);
  40 struct glyph *font_find(struct font *fn, char *name);
  41 int font_wid(struct font *fn, int sz, int w);
  42 int font_swid(struct font *fn, int sz);
  43 char *font_name(struct font *fn);
  44 char *font_path(struct font *fn);
  45 int font_glnum(struct font *fn, struct glyph *g);
  46 struct glyph *font_glget(struct font *fn, int id);
  47
  48 /* output functions */
  49 void out(char *s, ...);
  50 void outc(char *s);
  51 void outh(int h);
  52 void outv(int v);
  53 void outrel(int h, int v);
  54 void outfont(int f);
  55 void outsize(int s);
  56 void outcolor(int c);
  57 void outrotate(int deg);
  58 void outeps(char *eps);
  59 void outlink(char *spec);
  60 void outpage(void);
  61 void outmnt(int f);
  62 void outgname(int g);
  63
  64 void drawbeg(void);
  65 void drawend(int close, int fill);
  66 void drawmbeg(char *s);
  67 void drawmend(char *s);
  68 void drawl(int h, int v);
  69 void drawc(int c);
  70 void drawe(int h, int v);
  71 void drawa(int h1, int v1, int h2, int v2);
  72 void draws(int h1, int v1, int h2, int v2);
  73
  74 /* postscript functions */
  75 void ps_header(char *title, int pagewidth, int pageheight, int linewidth);
  76 void ps_trailer(int pages);
  77 void ps_pagebeg(int n);
  78 void ps_pageend(int n);
  79
  80 /* colors */
  81 #define CLR_R(c)                (((c) >> 16) & 0xff)
  82 #define CLR_G(c)                (((c) >> 8) & 0xff)
  83 #define CLR_B(c)                ((c) & 0xff)
  84 #define CLR_RGB(r, g, b)        (((r) << 16) | ((g) << 8) | (b))
  85
  86 char *clr_str(int c);
  87 int clr_get(char *s);
  88
  89 /* mapping integers to sets */
  90 struct iset *iset_make(void);
  91 void iset_free(struct iset *iset);
  92 int *iset_get(struct iset *iset, int key);
  93 void iset_put(struct iset *iset, int key, int ent);
  94 int iset_len(struct iset *iset, int key);
  95
  96 /* mapping strings to longs */
  97 struct dict *dict_make(int notfound, int dupkeys);
  98 void dict_free(struct dict *d);
  99 void dict_put(struct dict *d, char *key, int val);
 100 int dict_get(struct dict *d, char *key);
 101 int dict_idx(struct dict *d, char *key);
 102 char *dict_key(struct dict *d, int idx);
 103 int dict_val(struct dict *d, int idx);
 104 int dict_prefix(struct dict *d, char *key, int *idx);
 105
 106 /* memory allocation */
 107 void *mextend(void *old, long oldsz, long newsz, int memsz);
 108
 109 /* string buffers */
 110 struct sbuf *sbuf_make(void);
 111 char *sbuf_buf(struct sbuf *sb);
 112 char *sbuf_done(struct sbuf *sb);
 113 void sbuf_free(struct sbuf *sb);
 114 int sbuf_len(struct sbuf *sbuf);
 115 void sbuf_str(struct sbuf *sbuf, char *s);
 116 void sbuf_printf(struct sbuf *sbuf, char *s, ...);
 117 void sbuf_chr(struct sbuf *sbuf, int c);