shithub: neatpost

ref: 50e2d0333a13835c9f80c3c65d645eb256869dbb
dir: /post.h/

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/* predefined array limits */
#define PATHLEN		1024	/* path length */
#define NFONTS		32	/* number of fonts */
#define NGLYPHS		1024	/* glyphs in fonts */
#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 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 id[GNLEN];		/* device-dependent glyph identifier */
	char name[GNLEN];	/* the first character mapped to this glyph */
	struct font *font;	/* glyph font */
	int wid;		/* character width */
	int type;		/* character type; ascender/descender */
	int pos;		/* glyph code */
};

struct font {
	char name[FNLEN];
	char fontname[FNLEN];
	struct glyph glyphs[NGLYPHS];
	int nglyphs;
	int spacewid;
	int special;
	int cs, bd;			/* for .cs and .bd requests */
	/* glyph list based on the first character of their id fields in glyphs[] */
	int ghead[256];			/* glyph list head */
	int gnext[NGLYPHS];		/* next item in glyph list */
	/* charset section characters */
	char c[NGLYPHS][GNLEN];		/* character names in charset */
	struct glyph *g[NGLYPHS];	/* character glyphs in charset */
	int n;				/* number of characters in charset */
	/* glyph list based on the first character of glyph names in c[] */
	int chead[256];			/* glyph list head */
	int cnext[NGLYPHS];		/* next item in glyph list */
};

/* output device functions */
int dev_open(char *dir, char *dev);
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);

/* 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);

/* 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(void);
void drawend(int close, int fill);
void drawmbeg(char *s);
void drawmend(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);