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/MapView/Map/RMTileProxy.m

http://github.com/route-me/route-me
Objective C | 60 lines | 24 code | 10 blank | 26 comment | 3 complexity | 4cd6dda395b24bd055095f7dcadb4eb6 MD5 | raw file
 1//
 2//  RMTileProxy.m
 3//
 4// Copyright (c) 2008-2009, Route-Me Contributors
 5// All rights reserved.
 6//
 7// Redistribution and use in source and binary forms, with or without
 8// modification, are permitted provided that the following conditions are met:
 9//
10// * Redistributions of source code must retain the above copyright notice, this
11//   list of conditions and the following disclaimer.
12// * Redistributions in binary form must reproduce the above copyright notice,
13//   this list of conditions and the following disclaimer in the documentation
14//   and/or other materials provided with the distribution.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26// POSSIBILITY OF SUCH DAMAGE.
27
28#import "RMTileProxy.h"
29
30@implementation RMTileProxy
31
32static UIImage *_errorTile = nil;
33static UIImage *_loadingTile = nil;
34static UIImage *_missingTile = nil;
35
36+ (UIImage*) errorTile
37{
38	if (_errorTile) return _errorTile;
39	
40	_errorTile = [[UIImage imageNamed:@"error.png"] retain];
41	return _errorTile;
42}
43
44+ (UIImage*) loadingTile
45{
46	if (_loadingTile) return _loadingTile;
47	
48	_loadingTile = [[UIImage imageNamed:@"loading.png"] retain];
49	return _loadingTile;
50}
51
52+ (UIImage*) missingTile
53{
54	if (_missingTile) return _missingTile;
55	
56	_missingTile = [[UIImage imageNamed:@"missing.png"] retain];
57	return _missingTile;
58}
59
60@end