Application: gvSIG desktop » gvSIG raster

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

#ifndef POTRACE_RASTER_H

#define POTRACE_RASTER_H

#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;

#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

/* 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;

/* 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;

double* vectorizarBuffer(const long *cbufferIn, int width, int height, int argc, char *argv[]);

#endif /* POTRACE_RASTER_H */