/* draw_hf_dialog.h - headers for HF pen (dotted stroke)
 *
 * Copyright (C) 2003 Patrice St-Gelais
 *         patrstg@users.sourceforge.net
 *         www.oricom.ca/patrice.st-gelais
 *
 * 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 _DRAW_HF_DIALOG
#define _DRAW_HF_DIALOG 1

#include <gtk/gtk.h>
#include "hf.h"

typedef struct {
	gpointer *hf;	// The pen is a height field wrapper
	gint level;	// Right shift (division) of the pen before applying it;  from -2 (>>4) to 2 (>>0)
	gint merge;  	// ADD, SUBTRACT, SMOOTH_OP
	gint wrap;	// TILING_AUTO, TILING_YES, TILING_NO
	GtkWidget *size_toolbar;
	gboolean control_spacing; 	// Initializes a check button,
						// controlling the activation of the spacing scale
	gint spacing; 			// A % of pen size, from 0 to 100
	GtkObject *adj_spacing; 	// A scale
} draw_hf_struct;

//	Prototypes

GtkWidget* draw_hf_dialog_new (GtkWidget *window, GtkTooltips *tooltips, 
	draw_hf_struct *hf_pen,  dist_matrix_struct *dist_matrix, gpointer data);
draw_hf_struct *hf_pen_new();
void hf_pen_free(draw_hf_struct *hf_pen);
void instantiate_hf_pen (gpointer hfw, gpointer pen);

// "hfw" is a hf_wrapper_struct*

void stroke_dot (gpointer hfw, draw_hf_struct *pen, gint x, gint y);
gboolean draw_hf_line (gpointer hfw, draw_hf_struct *pen,
	gint begin_x, gint begin_y, gint *end_x_ptr, gint *end_y_ptr);

#endif // DRAW_HF_DIALOG