#pragma	src	"/sys/src/libfb"#pragma	lib	"libfb.a" /* * picfile * * Not working: TYPE=ccitt-g31, TYPE=ccitt-g32, TYPE=ccitt-g4, TYPE=ccir601. * picconf.c has unimplemented TYPEs commented out. */typedef struct PICFILE PICFILE;struct PICFILE{	int fd;	int nchan;	int x, y;	int width, height;	char *type;	char *chan;	char *cmap;	int argc;	char **argv;	int flags;	int line;	int depth;			/* TYPE=plan9 only */	unsigned char *buf;	unsigned char *ebuf;	unsigned char *bufp;	int (*rd)(PICFILE *, void *);	int (*wr)(PICFILE *, void *);	int (*cl)(PICFILE *);};#define	PIC_NCHAN(p)		((p)->nchan)#define	PIC_WIDTH(p)		((p)->width)#define	PIC_HEIGHT(p)		((p)->height)#define	PIC_XOFFS(p)		((p)->x)#define	PIC_YOFFS(p)		((p)->y)#define	PIC_RECT(p)		Rect((p)->x, (p)->y, (p)->x+(p)->width, (p)->y+(p)->height)	/* needs <geometry.h> */#define	PIC_SAMEARGS(p)		(p)->type, (p)->x, (p)->y, (p)->width, (p)->height, (p)->chan, argv, (p)->cmap#define	picread(f, buf)		(*(f)->rd)(f, buf)#define	picwrite(f, buf)	(*(f)->wr)(f, buf)PICFILE *picopen_r(char *);PICFILE *picopen_w(char *, char *, int, int, int, int, char *, char *[], char *);PICFILE *picputprop(PICFILE *, char *, char *);char *picgetprop(PICFILE *, char *);void picclose(PICFILE *);void picpack(PICFILE *, char *, char *, ...);void picunpack(PICFILE *, char *, char *, ...);	/* wrong? */int getcmap(char *, unsigned char *);/* * Private data */char *_PICcommand;void _PWRheader(PICFILE *);int _PICplan9header(PICFILE *, char *);int _PICgifheader(PICFILE *, char *);int _PICread(int, void *, int);#define	PIC_NOCLOSE	1	/* don't close p->fd on picclose */#define	PIC_INPUT	2	/* open for input */struct _PICconf{	char *type;	int (*rd)(PICFILE *, void *);	int (*wr)(PICFILE *, void *);	int (*cl)(PICFILE *);	int nchan;}_PICconf[];/* * getflags */#define	NFLAG	128#define	NCMDLINE	512#define	NGETFLAGSARGV	256extern char **flag[NFLAG];extern char cmdline[NCMDLINE+1];extern char *cmdname;extern char *flagset[];extern char *getflagsargv[NGETFLAGSARGV+2];extern getflags(int, char **, char *);extern void usage(char *);/* * rdpicfile, wrpicfile */Bitmap *rdpicfile(PICFILE *, int);int wrpicfile(PICFILE *, Bitmap *);