1/*
2    PPGridPatternPresets.m
3
4    Copyright 2013-2018 Josh Freeman
5    http://www.twilightedge.com
6
7    This file is part of PikoPixel for Mac OS X and GNUstep.
8    PikoPixel is a graphical application for drawing & editing pixel-art images.
9
10    PikoPixel is free software: you can redistribute it and/or modify it under
11    the terms of the GNU Affero General Public License as published by the
12    Free Software Foundation, either version 3 of the License, or (at your
13    option) any later version approved for PikoPixel by its copyright holder (or
14    an authorized proxy).
15
16    PikoPixel is distributed in the hope that it will be useful, but WITHOUT ANY
17    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18    FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
19    details.
20
21    You should have received a copy of the GNU Affero General Public License
22    along with this program. If not, see <http://www.gnu.org/licenses/>.
23*/
24
25#import "PPGridPatternPresets.h"
26
27#import "PPGridPattern.h"
28
29
30#define kStoredGridPatternPresetsFilename       @"GridPatternPresets"
31
32#define kGridPatternPresetsFiletype             @"pikogrid"
33
34
35@implementation PPGridPatternPresets
36
37+ sharedPresets
38{
39    static PPGridPatternPresets *sharedPresets = nil;
40
41    if (!sharedPresets)
42    {
43        sharedPresets =
44                [[self alloc] initWithPresettablePatternClass: [PPGridPattern class]
45                                storedPresetsFilename: kStoredGridPatternPresetsFilename
46                                presetsFiletype: kGridPatternPresetsFiletype];
47    }
48
49    return sharedPresets;
50}
51
52@end
53