RMMapLayer.m
2.22 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
//
// RMMapLayer.m
//
// Copyright (c) 2008-2009, Route-Me Contributors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#import "RMMapLayer.h"
#import "RMPixel.h"
@implementation RMMapLayer
- (id) init
{
if (![super init])
return nil;
return self;
}
- (id)initWithLayer:(id)layer
{
if (![super initWithLayer:layer])
return nil;
return self;
}
/// \bug why return nil for the "position" and "bounds" actionForKey? Does this do anything besides block Core Animation?
- (id<CAAction>)actionForKey:(NSString *)key
{
if ([key isEqualToString:@"position"]
|| [key isEqualToString:@"bounds"])
return nil;
else return [super actionForKey:key];
}
- (void)moveBy: (CGSize) delta
{
self.position = RMTranslateCGPointBy(self.position, delta);
}
- (void)zoomByFactor: (float) zoomFactor near:(CGPoint) pivot
{
self.position = RMScaleCGPointAboutPoint(self.position, zoomFactor, pivot);
self.bounds = RMScaleCGRectAboutPoint(self.bounds, zoomFactor, self.anchorPoint);
}
@end