RMPolygonAnnotation.m
3.27 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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
//
// RMPolygonAnnotation.m
// MapView
//
// Copyright (c) 2008-2012, 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 "RMPolygonAnnotation.h"
#import "RMShape.h"
@implementation RMPolygonAnnotation
@synthesize interiorPolygons=_interiorPolygons;
- (id)initWithMapView:(RMMapView *)aMapView points:(NSArray *)points
{
return [self initWithMapView:aMapView points:points interiorPolygons:nil];
}
- (id)initWithMapView:(RMMapView *)aMapView points:(NSArray *)points interiorPolygons:(NSArray *)interiorPolygons
{
if (!(self = [super initWithMapView:aMapView points:points]))
return nil;
_interiorPolygons = [interiorPolygons retain];
return self;
}
- (void)dealloc
{
[_interiorPolygons release]; _interiorPolygons = nil;
[super dealloc];
}
- (void)setLayer:(RMMapLayer *)newLayer
{
if ( ! newLayer)
[super setLayer:nil];
else
RMLog(@"Setting a custom layer on an %@ is a no-op", [self class]);
}
- (RMMapLayer *)layer
{
if ( ! [super layer])
{
RMShape *shape = [[[RMShape alloc] initWithView:self.mapView] autorelease];
[shape performBatchOperations:^(RMShape *aShape)
{
[aShape moveToCoordinate:self.coordinate];
for (CLLocation *point in self.points)
[aShape addLineToCoordinate:point.coordinate];
[aShape closePath];
if (self.interiorPolygons)
{
for (RMPolygonAnnotation *interiorPolygon in self.interiorPolygons)
{
[aShape moveToCoordinate:interiorPolygon.coordinate];
for (CLLocation *point in interiorPolygon.points)
[aShape addLineToCoordinate:point.coordinate];
[aShape closePath];
}
aShape.fillColor = [UIColor colorWithRed:0 green:0 blue:1 alpha:0.2];
aShape.fillRule = kCAFillRuleEvenOdd;
}
}];
super.layer = shape;
}
return [super layer];
}
@end