ref: ab23fc1f6565fff715163acc6e5db0584ddd3536
dir: /post.h/
/* predefined array limits */
#define PATHLEN 1024 /* path length */
#define NFONTS 32 /* number of fonts */
#define NGLYPHS 1024 /* glyphs in fonts */
#define NLIGS 32 /* number of font ligatures */
#define NKERNS 512 /* number of font pairwise kerning pairs */
#define FNLEN 64 /* font name length */
#define GNLEN 32 /* glyph name length */
#define ILNLEN 1000 /* line limit of input files */
#define LNLEN 4000 /* line buffer length (ren.c/out.c) */
#define LIGLEN 4 /* length of ligatures */
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a) / sizeof((a)[0]))
/* device related variables */
extern int dev_res;
extern int dev_uwid;
extern int dev_hor;
extern int dev_ver;
struct glyph {
char name[GNLEN]; /* name of the glyph */
char id[GNLEN]; /* device-dependent glyph identifier */
struct font *font; /* glyph font */
int wid; /* character width */
int type; /* character type; ascender/descender */
};
struct font {
char name[FNLEN];
char fontname[FNLEN];
struct glyph glyphs[NGLYPHS];
int nglyphs;
int spacewid;
int special;
char c[NGLYPHS][FNLEN]; /* character names in charset */
struct glyph *g[NGLYPHS]; /* character glyphs in charset */
int n; /* number of characters in charset */
/* font ligatures */
char lig[NLIGS][LIGLEN * GNLEN];
int nlig;
/* glyph list based on the first character of glyph names */
int head[256]; /* glyph list head */
int next[NGLYPHS]; /* next item in glyph list */
/* kerning pair list per glyph */
int knhead[NGLYPHS]; /* kerning pairs of glyphs[] */
int knnext[NKERNS]; /* next item in knhead[] list */
int knpair[NKERNS]; /* kerning pair 2nd glyphs */
int knval[NKERNS]; /* font pairwise kerning value */
int knn; /* number of kerning pairs */
};
/* output device functions */
int dev_open(char *path);
void dev_close(void);
int dev_mnt(int pos, char *id, char *name);
struct font *dev_font(int fn);
int dev_fontid(struct font *fn);
int charwid(int wid, int sz);
struct glyph *dev_glyph(char *c, int fn);
struct glyph *dev_glyph_byid(char *id, int fn);
/* font-related functions */
struct font *font_open(char *path);
void font_close(struct font *fn);
struct glyph *font_glyph(struct font *fn, char *id);
struct glyph *font_find(struct font *fn, char *name);
int font_lig(struct font *fn, char **c, int n);
int font_kern(struct font *fn, char *c1, char *c2);
/* output functions */
void out(char *s, ...);
void outc(char *s);
void outh(int h);
void outv(int v);
void outrel(int h, int v);
void outfont(int f);
void outsize(int s);
void outcolor(int c);
void outpage(void);
void outmnt(int f);
extern char o_fonts[];
void drawbeg(char *s);
void drawend(char *s);
void drawl(int h, int v);
void drawc(int c);
void drawe(int h, int v);
void drawa(int h1, int v1, int h2, int v2);
void draws(int h1, int v1, int h2, int v2);
/* postscript functions */
void ps_header(void);
void ps_trailer(int pages, char *fonts);
void ps_pagebeg(int n);
void ps_pageend(int n);
/* colors */
#define CLR_R(c) (((c) >> 16) & 0xff)
#define CLR_G(c) (((c) >> 8) & 0xff)
#define CLR_B(c) ((c) & 0xff)
#define CLR_RGB(r, g, b) (((r) << 16) | ((g) << 8) | (b))
char *clr_str(int c);
int clr_get(char *s);