RMPolygonAnnotation.m
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//
// 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;
return self;
}
- (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];
[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