post.h

   1 /* predefined array limits */
   2 #define PATHLEN         1024    /* path length */
   3 #define NFONTS          32      /* 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
  45 /* output functions */
  46 void out(char *s, ...);
  47 void outc(char *s);
  48 void outh(int h);
  49 void outv(int v);
  50 void outrel(int h, int v);
  51 void outfont(int f);
  52 void outsize(int s);
  53 void outcolor(int c);
  54 void outrotate(int deg);
  55 void outeps(char *eps);
  56 void outpage(void);
  57 void outmnt(int f);
  58 void outgname(int g);
  59 extern char o_fonts[];
  60
  61 void drawbeg(void);
  62 void drawend(int close, int fill);
  63 void drawmbeg(char *s);
  64 void drawmend(char *s);
  65 void drawl(int h, int v);
  66 void drawc(int c);
  67 void drawe(int h, int v);
  68 void drawa(int h1, int v1, int h2, int v2);
  69 void draws(int h1, int v1, int h2, int v2);
  70
  71 /* postscript functions */
  72 void ps_header(int pagewidth, int pageheight, int linewidth);
  73 void ps_trailer(int pages, char *fonts);
  74 void ps_pagebeg(int n);
  75 void ps_pageend(int n);
  76
  77 /* colors */
  78 #define CLR_R(c)                (((c) >> 16) & 0xff)
  79 #define CLR_G(c)                (((c) >> 8) & 0xff)
  80 #define CLR_B(c)                ((c) & 0xff)
  81 #define CLR_RGB(r, g, b)        (((r) << 16) | ((g) << 8) | (b))
  82
  83 char *clr_str(int c);
  84 int clr_get(char *s);
  85
  86 /* mapping integers to sets */
  87 struct iset *iset_make(void);
  88 void iset_free(struct iset *iset);
  89 int *iset_get(struct iset *iset, int key);
  90 void iset_put(struct iset *iset, int key, int ent);
  91 int iset_len(struct iset *iset, int key);
  92
  93 /* mapping strings to longs */
  94 struct dict *dict_make(int notfound, int dupkeys);
  95 void dict_free(struct dict *d);
  96 void dict_put(struct dict *d, char *key, int val);
  97 int dict_get(struct dict *d, char *key);
  98 int dict_idx(struct dict *d, char *key);
  99 char *dict_key(struct dict *d, int idx);
 100 int dict_val(struct dict *d, int idx);
 101 int dict_prefix(struct dict *d, char *key, int *idx);
 102
 103 /* memory allocation */
 104 void *xmalloc(long len);
 105 void *mextend(void *old, long oldsz, long newsz, int memsz);