/* RCSid: $Id: font.h,v 2.4 2003/02/22 02:07:22 greg Exp $ */
/*
 * Header file for font handling routines
 */

/* ====================================================================
 * The Radiance Software License, Version 1.0
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 * through Lawrence Berkeley National Laboratory.   All rights reserved.
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 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
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 *               (http://www.lbl.gov/)."
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typedef unsigned char  GORD;

typedef struct {
	short  nverts;			/* number of vertices */
	GORD  left, right, top, bottom;	/* glyph extent */
					/* followed by vertex list */
}  GLYPH;

#define gvlist(g)	((GORD *)((g)+1))

typedef struct font {
	int  nref;			/* number of references */
	GLYPH  *fg[256];		/* font glyphs */
	short  mwidth, mheight;		/* mean glyph width and height */
	char  *name;			/* font file name */
	struct font  *next;		/* next font in list */
}  FONT;

extern int	retainfonts;		/* retain loaded fonts? */

#ifdef NOPROTO

extern FONT  *getfont();
extern void  freefont();
extern int  uniftext();
extern int  squeeztext();
extern int  proptext();

#else

extern FONT  *getfont(char *fname);
extern void  freefont(FONT *f);
extern int  uniftext(short *sp, char *tp, FONT *f);
extern int  squeeztext(short *sp, char *tp, FONT *f, int cis);
extern int  proptext(short *sp, char *tp, FONT *f, int cis, int nsi);

#endif