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 GNFMT           "%31s"  /* glyph name scanf format */
   7 #define ILNLEN          1000    /* line limit of input files */
   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 struct font *dev_fontopen(char *name);
  36
  37 /* font-related functions */
  38 struct font *font_open(char *path);
  39 void font_close(struct font *fn);
  40 struct glyph *font_glyph(struct font *fn, char *id);
  41 struct glyph *font_find(struct font *fn, char *name);
  42 int font_wid(struct font *fn, int sz, int w);
  43 int font_swid(struct font *fn, int sz);
  44 char *font_name(struct font *fn);
  45 char *font_path(struct font *fn);
  46 int font_glnum(struct font *fn, struct glyph *g);
  47 struct glyph *font_glget(struct font *fn, int id);
  48 char *font_desc(struct font *fn);
  49
  50 /* output functions */
  51 void out(char *s, ...);
  52 void outc(char *s);
  53 void outh(int h);
  54 void outv(int v);
  55 void outrel(int h, int v);
  56 void outfont(int f);
  57 void outsize(int s);
  58 void outcolor(int c);
  59 void outrotate(int deg);
  60 void outeps(char *eps, int hwid, int vwid);
  61 void outpdf(char *pdf, int hwid, int vwid);
  62 void outlink(char *dst, int hwid, int vwid);
  63 void outmark(int n, char (*desc)[256], int *page, int *off, int *level);
  64 void outname(int n, char (*desc)[64], int *page, int *off);
  65 void outinfo(char *kwd, char *val);
  66 void outset(char *var, char *val);
  67 void outpage(void);
  68 void outmnt(int f);
  69 void outgname(int g);
  70
  71 void drawbeg(void);
  72 void drawend(int close, int fill);
  73 void drawmbeg(char *s);
  74 void drawmend(char *s);
  75 void drawl(int h, int v);
  76 void drawc(int c);
  77 void drawe(int h, int v);
  78 void drawa(int h1, int v1, int h2, int v2);
  79 void draws(int h1, int v1, int h2, int v2);
  80
  81 void docheader(char *title, int pagewidth, int pageheight, int linewidth);
  82 void doctrailer(int pages);
  83 void docpagebeg(int n);
  84 void docpageend(int n);
  85
  86 /* colors */
  87 #define CLR_R(c)                (((c) >> 16) & 0xff)
  88 #define CLR_G(c)                (((c) >> 8) & 0xff)
  89 #define CLR_B(c)                ((c) & 0xff)
  90 #define CLR_RGB(r, g, b)        (((r) << 16) | ((g) << 8) | (b))
  91
  92 char *clr_str(int c);
  93 int clr_get(char *s);
  94
  95 /* mapping integers to sets */
  96 struct iset *iset_make(void);
  97 void iset_free(struct iset *iset);
  98 int *iset_get(struct iset *iset, int key);
  99 void iset_put(struct iset *iset, int key, int ent);
 100 int iset_len(struct iset *iset, int key);
 101
 102 /* mapping strings to longs */
 103 struct dict *dict_make(int notfound, int dupkeys, int hashlen);
 104 void dict_free(struct dict *d);
 105 void dict_put(struct dict *d, char *key, int val);
 106 int dict_get(struct dict *d, char *key);
 107 int dict_idx(struct dict *d, char *key);
 108 char *dict_key(struct dict *d, int idx);
 109 int dict_val(struct dict *d, int idx);
 110 int dict_prefix(struct dict *d, char *key, int *idx);
 111
 112 /* memory allocation */
 113 void *mextend(void *old, long oldsz, long newsz, int memsz);
 114 /* helper functions */
 115 char *pdftext_static(char *s);
 116
 117 /* string buffers */
 118 struct sbuf *sbuf_make(void);
 119 char *sbuf_buf(struct sbuf *sb);
 120 char *sbuf_done(struct sbuf *sb);
 121 void sbuf_free(struct sbuf *sb);
 122 int sbuf_len(struct sbuf *sbuf);
 123 void sbuf_str(struct sbuf *sbuf, char *s);
 124 void sbuf_printf(struct sbuf *sbuf, char *s, ...);
 125 void sbuf_chr(struct sbuf *sbuf, int c);
 126 void sbuf_mem(struct sbuf *sbuf, char *s, int len);
 127 void sbuf_cut(struct sbuf *sb, int len);
 128
 129 /* reading PDF files */
 130 int pdf_ws(char *pdf, int len, int pos);
 131 int pdf_len(char *pdf, int len, int pos);
 132 int pdf_type(char *pdf, int len, int pos);
 133 int pdf_dval(char *pdf, int len, int pos, char *key);
 134 int pdf_dkey(char *pdf, int len, int pos, int key);
 135 int pdf_lval(char *pdf, int len, int pos, int idx);
 136 int pdf_trailer(char *pdf, int len);
 137 int pdf_obj(char *pdf, int len, int pos, int *obj, int *rev);
 138 int pdf_find(char *pdf, int len, int obj, int rev);
 139 int pdf_ref(char *pdf, int len, int pos);
 140 int pdf_dval_val(char *pdf, int len, int pos, char *key);
 141 int pdf_dval_obj(char *pdf, int len, int pos, char *key);