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/*
* TransFig: Facility for Translating Fig code
* Copyright (c) 1991 by Micah Beck
* Parts Copyright (c) 1985-1988 by Supoj Sutanthavibul
* Parts Copyright (c) 1989-2002 by Brian V. Smith
*
* Any party obtaining a copy of these files is granted, free of charge, a
* full and unrestricted irrevocable, world-wide, paid up, royalty-free,
* nonexclusive right and license to deal in this software and
* documentation files (the "Software"), including without limitation the
* rights to use, copy, modify, merge, publish and/or distribute copies of
* the Software, and to permit persons who receive copies from any such
* party to do so, with the only requirement being that this copyright
* notice remain intact.
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include "patchlevel.h"
#include <math.h>
#include <sys/file.h>
#include <signal.h>
#include <string.h>
#include <pwd.h>
#include <errno.h>
#include <time.h>
#include <unistd.h>
#include "pi.h"
/* location for temporary files */
#define TMPDIR "/tmp"
typedef char Boolean;
#define NO 2
#define False 0
#define True 1
#define DEFAULT_FONT_SIZE 11
#ifndef MIN
#define MIN(A, B) ((A) < (B) ? (A) : (B))
#define MAX(A, B) ((A) > (B) ? (A) : (B))
#endif
#ifdef USE_INLINE
#define INLINE inline
#else
#define INLINE
#endif /* USE_INLINE */
/* include ctype.h for isascii() and isxdigit() macros */
#include <ctype.h>
#ifndef X_NOT_STDC_ENV
# include <string.h>
#else
# ifdef SYSV
# include <string.h>
# else
# include <strings.h>
# ifndef strchr
# define strchr index
# endif
# ifndef strrchr
# define strrchr rindex
# endif
# endif /* SYSV else */
#endif /* !X_NOT_STDC_ENV else */
#if defined(hpux) || defined(SYSV) || defined(SVR4)
#include <sys/types.h>
#define bzero(s,n) memset((s),'\0',(n))
#endif
extern double atof();
#define round(x) ((int) ((x) + ((x >= 0)? 0.5: -0.5)))
#define NUM_STD_COLS 32
#define MAX_USR_COLS 512
#define NUMSHADES 21
#define NUMTINTS 20
#define NUMPATTERNS 22
#ifndef RGB_H
#define RGB_H
typedef struct _RGB {
unsigned short red, green, blue;
} RGB;
#endif /* RGB_H */
/*
* Device driver interface structure
*/
struct driver {
void (*option)(); /* interpret driver-specific options */
void (*start)(); /* output file header */
void (*grid)(); /* draw grid */
void (*arc)(); /* object generators */
void (*ellipse)();
void (*line)();
void (*spline)();
void (*text)();
int (*end)(); /* output file trailer (returns status) */
int text_include; /* include text length in bounding box */
#define INCLUDE_TEXT 1
#define EXCLUDE_TEXT 0
};
extern float rgb2luminance();
extern void put_msg(char *fmt, ...);
extern void unpsfont();
extern void print_comments();
extern int lookup_X_color();
extern char Err_badarg[];
extern char Err_mem[];
extern char *PSfontnames[];
extern int PSisomap[];
extern char *prog, *from, *to;
extern char *name;
extern double font_size;
Boolean correct_font_size; /* use correct font size */
extern double mag, fontmag;
extern FILE *tfp;
extern double ppi; /* Fig file resolution (e.g. 1200) */
extern int llx, lly, urx, ury;
extern Boolean landscape;
extern Boolean center;
extern Boolean multi_page; /* multiple page option for PostScript */
extern Boolean overlap; /* overlap pages in multiple page output */
extern Boolean orientspec; /* true if the command-line args specified land or port */
extern Boolean centerspec; /* true if the command-line args specified -c or -e */
extern Boolean magspec; /* true if the command-line args specified -m */
extern Boolean transspec; /* set if the user specs. the GIF transparent color */
extern Boolean paperspec; /* true if the command-line args specified -z */
extern Boolean boundingboxspec;/* true if the command-line args specified -B or -R */
extern Boolean multispec; /* true if the command-line args specified -M */
extern Boolean metric; /* true if the file contains Metric specifier */
extern char gif_transparent[]; /* GIF transp color hex name (e.g. #ff00dd) */
extern char papersize[]; /* paper size */
extern char boundingbox[]; /* boundingbox */
extern float THICK_SCALE; /* convert line thickness from screen res. */
extern char lang[]; /* selected output language */
extern char *Fig_color_names[]; /* hex names for Fig colors */
extern RGB background; /* background (if specified by -g) */
extern Boolean bgspec; /* flag to say -g was specified */
extern float grid_minor_spacing; /* grid minor spacing (if any) */
extern float grid_major_spacing; /* grid major spacing (if any) */
extern char gscom[]; /* to build up a command for ghostscript */
extern Boolean psencode_header_done; /* if we have already emitted PSencode header */
extern Boolean transp_header_done; /* if we have already emitted transparent image header */
extern Boolean grayonly; /* convert colors to grayscale (-N option) */
struct paperdef
{
char *name; /* name for paper size */
int width; /* paper width in points */
int height; /* paper height in points */
};
#define NUMPAPERSIZES 29
extern struct paperdef paperdef[];
/* user-defined colors */
typedef struct{
int c,r,g,b;
}
User_color;
extern User_color user_colors[MAX_USR_COLS];
extern int user_col_indx[MAX_USR_COLS];
extern int num_usr_cols;
extern Boolean pats_used, pattern_used[NUMPATTERNS];
extern void gendev_null();
extern void gs_broken_pipe();
/* for GIF files */
#define MAXCOLORMAPSIZE 256
struct Cmap {
unsigned short red, green, blue;
unsigned long pixel;
};
/* define PATH_MAX if not already defined */
/* taken from the X11R5 server/os/osfonts.c file */
#ifndef X_NOT_POSIX
#ifdef _POSIX_SOURCE
#include <limits.h>
#else
#if !defined(sun) || defined(sparc)
#define _POSIX_SOURCE
#include <limits.h>
#undef _POSIX_SOURCE
#endif /* !defined(sun) || defined(sparc) */
#endif /* _POSIX_SOURCE */
#endif /* X_NOT_POSIX */
#ifndef PATH_MAX
#include <sys/param.h>
#ifdef MAXPATHLEN
#define PATH_MAX MAXPATHLEN
#else
#define PATH_MAX 1024
#endif /* MAXPATHLEN */
#endif /* PATH_MAX */
#if ( !defined(__NetBSD__) && !defined(__DARWIN__) && !defined(__FreeBSD) )
extern int sys_nerr, errno;
#endif
#if ( !(defined(BSD) && (BSD >= 199306)) && !defined(__NetBSD__) && \
!defined(__GNU_LIBRARY__) && !defined(__FreeBSD__) && \
!defined(__GLIBC__) && !defined(__CYGWIN__) && !defined(__DARWIN__))
extern char *sys_errlist[];
#endif
typedef struct _point
{
int x,y;
} Point;
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