Application: gvSIG desktop » gvSIG raster

/* Copyright (C) 2001-2007 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. */

/* $Id: main.h 147 2007-04-09 00:44:09Z selinger $ */

#ifndef MAIN_H

#define MAIN_H

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include "potracelib.h"

/* structure to hold a tilted rectangle */

struct rect_s {

  double bb[2];    /* dimensions of bounding box */

  double orig[2];  /* origin relative to bounding box */

};

typedef struct rect_s rect_t;

/* 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 regional 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

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) */

  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 */

  double blacklevel; /* 0 to 1: black/white cutoff in input file */

  int invert;        /* invert bitmap? */

  int opaque;        /* paint white shapes opaquely? */

  int group;         /* group paths together? */

  int progress;      /* should we display a progress bar? */

};

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) */

  rect_t trans;        /* specify relative position of a tilted rectangle */

};

typedef struct imginfo_s imginfo_t;

#endif /* MAIN_H */