File indexing completed on 2024-12-22 04:04:13

 /* Copyright (C) 2001-2019 Peter Selinger.
    This file is part of Potrace. It is free software and it is covered
    by the GNU General Public License. See the file COPYING for details. */
 
 
 #ifndef MAIN_H
 #define MAIN_H
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
 
 #include "potracelib.h"
 #include "progress_bar.h"
 #include "auxiliary.h"
 #include "trans.h"
 
 /* structure to hold a dimensioned value */
 struct dim_s {
   double x; /* value */
   double d; /* dimension (in pt), or 0 if not given */
 };
 typedef struct dim_s dim_t;
 
 #define DIM_IN (72)
 #define DIM_CM (72 / 2.54)
 #define DIM_MM (72 / 25.4)
 #define DIM_PT (1)
 
 /* set some configurable defaults */
 
 #ifdef USE_METRIC
 #define DEFAULT_DIM DIM_CM
 #define DEFAULT_DIM_NAME "centimeters"
 #else
 #define DEFAULT_DIM DIM_IN
 #define DEFAULT_DIM_NAME "inches"
 #endif
 
 #ifdef USE_A4
 #define DEFAULT_PAPERWIDTH 595
 #define DEFAULT_PAPERHEIGHT 842
 #define DEFAULT_PAPERFORMAT "a4"
 #else
 #define DEFAULT_PAPERWIDTH 612
 #define DEFAULT_PAPERHEIGHT 792
 #define DEFAULT_PAPERFORMAT "letter"
 #endif
 
 #ifdef DUMB_TTY
 #define DEFAULT_PROGRESS_BAR progress_bar_simplified
 #else
 #define DEFAULT_PROGRESS_BAR progress_bar_vt100
 #endif
 
 
 
 struct backend_s;
 
 /* structure to hold command line options */
 struct info_s {
   struct backend_s *backend;  /* type of backend (eps,ps,pgm etc) */
   potrace_param_t *param;  /* tracing parameters, see potracelib.h */
   int debug;         /* type of output (0-2) (for BACKEND_PS/EPS only) */
   dim_t width_d;     /* desired width of image */
   dim_t height_d;    /* desired height of image */
   double rx;         /* desired x resolution (in dpi) */
   double ry;         /* desired y resolution (in dpi) */
   double sx;         /* desired x scaling factor */
   double sy;         /* desired y scaling factor */
   double stretch;    /* ry/rx, if not otherwise determined */
   dim_t lmar_d, rmar_d, tmar_d, bmar_d;   /* margins */
   double angle;      /* rotate by this many degrees */
   int paperwidth, paperheight;  /* paper size for ps backend (in pt) */
   int tight;         /* should bounding box follow actual vector outline? */
   double unit;       /* granularity of output grid */
   int compress;      /* apply compression? */
   int pslevel;       /* postscript level to use: affects only compression */
   int color;         /* rgb color code 0xrrggbb: line color */
   int fillcolor;     /* rgb color code 0xrrggbb: fill color */
   double gamma;      /* gamma value for pgm backend */
   int longcoding;    /* do not optimize for file size? */
   char *outfile;     /* output filename, if given */
   char **infiles;    /* array of input filenames */
   int infilecount;   /* number of input filenames */
   int some_infiles;  /* do we process a list of input filenames? */
   double blacklevel; /* 0 to 1: black/white cutoff in input file */
   int invert;        /* invert bitmap? */
   int opaque;        /* paint white shapes opaquely? */
   int grouping;      /* 0=flat; 1=connected components; 2=hierarchical */
   int progress;      /* should we display a progress bar? */
   progress_bar_t *progress_bar;  /* which progress bar to use */
 };
 typedef struct info_s info_t;
 
 extern info_t info;
 
 /* structure to hold per-image information, set e.g. by calc_dimensions */
 struct imginfo_s {
   int pixwidth;        /* width of input pixmap */
   int pixheight;       /* height of input pixmap */
   double width;        /* desired width of image (in pt or pixels) */
   double height;       /* desired height of image (in pt or pixels) */
   double lmar, rmar, tmar, bmar;   /* requested margins (in pt) */
   trans_t trans;        /* specify relative position of a tilted rectangle */
 };
 typedef struct imginfo_s imginfo_t;
 
 #endif /* MAIN_H */