home *** CD-ROM | disk | FTP | other *** search
- //
- // $Id: MapPathView.m,v 1.7 1997/10/31 04:51:51 nygard Exp $
- //
-
- //
- // This file is a part of Empire, a game of exploration and conquest.
- // Copyright (C) 1996 Steve Nygard
- //
- // 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- //
- // You may contact the author by:
- // e-mail: nygard@telusplanet.net
- //
-
- #import "Empire.h"
-
- RCSID ("$Id: MapPathView.m,v 1.7 1997/10/31 04:51:51 nygard Exp $");
-
- #import "MapPathView.h"
- #import "PathSegment.h"
-
- //======================================================================
- // This adds the ability to show a set of paths on top of the map.
- //======================================================================
-
- @implementation MapPathView
-
- - initWithFrame:(NSRect)frameRect
- {
- [super initWithFrame:frameRect];
-
- pathList = nil;
-
- return self;
- }
-
- //----------------------------------------------------------------------
-
- - (void) dealloc
- {
- SNRelease (pathList);
-
- [super dealloc];
- }
-
- //----------------------------------------------------------------------
-
- - (void) drawRect:(NSRect)rect
- {
- [super drawRect:rect];
-
- if (pathList != nil)
- {
- NSEnumerator *enumerator = [pathList objectEnumerator];
- id object;
-
- PSsetgray (NSWhite);
- PSsetlinewidth (0);
-
- while (object = [enumerator nextObject])
- {
- [object drawPath];
- }
-
- PSstroke ();
- }
- }
-
- //----------------------------------------------------------------------
-
- - (void) usePathList:(NSArray *)newPathList
- {
- SNRelease (pathList);
-
- pathList = [newPathList retain];
-
- [self setNeedsDisplay:YES];
- }
-
- @end
-