/*
 * MapInfo.c -- Public include file for MapInfo interface.
 *
 * Authors		: Patrick Lecoanet.
 * Creation date	: 
 *
 * $Id$
 */

/*
 *  Copyright (c) 1993 - 1999 CENA, Patrick Lecoanet --
 *
 * This code is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This code 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this code; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */


#ifndef _MapInfo_h
#define _MapInfo_h

#ifdef __CPLUSPLUS__
extern "C" {
#endif


#include "Types.h"
#include "List.h"
  

/*
 *-----------------------------------------------------------------------
 *
 * New types
 *
 *-----------------------------------------------------------------------
 */

typedef void		*MapInfoId;

typedef enum {
  MapInfoLineSimple,
  MapInfoLineDashed,
  MapInfoLineDotted,
  MapInfoLineMixed,
  MapInfoLineMarked
} MapInfoLineStyle;

typedef enum {
  MapInfoNormalText,
  MapInfoUnderlinedText
} MapInfoTextStyle;

typedef struct {
  int	x, y;
} MapInfoPointStruct, *MapInfoPoint;
  
  
void MapInfoGetLine(MapInfoId map_info, unsigned int index, ZnPtr *tag,
		    MapInfoLineStyle *line_style, int *line_width,
		    int *x_from, int *y_from, int *x_to, int *y_to);
unsigned int MapInfoNumLines(MapInfoId map_info);
void MapInfoGetMarks(MapInfoId map_info, unsigned int index,
		     MapInfoPoint *marks, unsigned int *num_marks);
void MapInfoGetSymbol(MapInfoId map_info, unsigned int index, ZnPtr *tag,
		      int *x, int *y, char *symbol);
unsigned int MapInfoNumSymbols(MapInfoId map_info);
void MapInfoGetText(MapInfoId map_info, unsigned int index, ZnPtr *tag,
		    MapInfoTextStyle *text_style, MapInfoLineStyle *line_style,
		    int *x, int *y, char **text);
unsigned int MapInfoNumTexts(MapInfoId map_info);
void MapInfoGetArc(MapInfoId map_info, unsigned int index, ZnPtr *tag,
		   MapInfoLineStyle *line_style, int *line_width,
		   int *center_x, int *center_y, unsigned int *radius,
		   int *start_angle, int *extend);
unsigned int MapInfoNumArcs(MapInfoId map_info);


typedef void (*MapInfoChangeProc)(ClientData client_data, MapInfoId map_info);

MapInfoId ZnGetMapInfo(Tcl_Interp *interp, char *name, MapInfoChangeProc proc,
		       ClientData client_data);
void ZnFreeMapInfo(MapInfoId map_info, MapInfoChangeProc proc,
		   ClientData client_data);

int MapInfoObjCmd(ClientData client_data, Tcl_Interp *interp,
		  int argc, Tcl_Obj *CONST args[]);
int VideomapObjCmd(ClientData client_data, Tcl_Interp *interp,
		   int argc, Tcl_Obj *CONST args[]);


#ifdef __CPLUSPLUS__
}
#endif

#endif	/* _MapInfo_h */