HGKeeper

/* This file is to be used internally by the libgstroke implementation.

It should not be installed or used elsewhere.

See the file COPYING for distribution information.

#ifndef _GSTROKE_INTERNAL_H_

#define _GSTROKE_INTERNAL_H_

/* metrics for stroke, they are used while processing a stroke, this

structure should be stored in local widget storage */

struct gstroke_metrics {

GSList *pointList; /* point list */

gint min_x;

gint min_y;

gint max_x;

gint max_y;

gint point_count;

};

#define GSTROKE_METRICS "gstroke_metrics"

/* translate stroke to sequence */

gint _gstroke_trans (gchar *sequence, struct gstroke_metrics *metrics);

gint _gstroke_canonical (gchar* sequence, struct gstroke_metrics *metrics);

/* record point in stroke */

void _gstroke_record (gint x, gint y, struct gstroke_metrics *metrics);

/* initialize stroke functions */

void _gstroke_init (struct gstroke_metrics*);

/* structure for holding point data */

struct s_point {

gint x;

gint y;

};

typedef struct s_point *p_point;

#endif