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#import "MGLShapeCollection.h"
#import "MGLShape_Private.h"
#import <mbgl/style/conversion/geojson.hpp>
@implementation MGLShapeCollection
+ (instancetype)shapeCollectionWithShapes:(NS_ARRAY_OF(MGLShape *) *)shapes {
return [[self alloc] initWithShapes:shapes];
}
- (instancetype)initWithShapes:(NS_ARRAY_OF(MGLShape *) *)shapes {
if (self = [super init]) {
_shapes = shapes.copy;
}
return self;
}
- (instancetype)initWithCoder:(NSCoder *)decoder {
if (self = [super initWithCoder:decoder]) {
_shapes = [decoder decodeObjectOfClass:[NSArray class] forKey:@"shapes"];
}
return self;
}
- (void)encodeWithCoder:(NSCoder *)coder {
[super encodeWithCoder:coder];
[coder encodeObject:_shapes forKey:@"shapes"];
}
- (BOOL)isEqual:(id)other {
if (self == other) return YES;
if (![other isKindOfClass:[MGLShapeCollection class]]) return NO;
MGLShapeCollection *otherShapeCollection = other;
return [super isEqual:otherShapeCollection]
&& [_shapes isEqualToArray:otherShapeCollection.shapes];
}
- (NSUInteger)hash {
NSUInteger hash = [super hash];
for (MGLShape *shape in _shapes) {
hash += [shape hash];
}
return hash;
}
- (CLLocationCoordinate2D)coordinate {
return _shapes.firstObject.coordinate;
}
- (NSDictionary *)geoJSONDictionary {
return @{@"type": @"GeometryCollection",
@"geometries": [self geometryCollection]};
}
- (NSArray *)geometryCollection {
NSMutableArray *geometries = [[NSMutableArray alloc] initWithCapacity:self.shapes.count];
for (id shape in self.shapes) {
NSDictionary *geometry = [shape geoJSONDictionary];
[geometries addObject:geometry];
}
return [geometries copy];
}
- (mbgl::Geometry<double>)geometryObject {
mapbox::geojson::geometry_collection collection;
collection.reserve(self.shapes.count);
for (MGLShape *shape in self.shapes) {
collection.push_back([shape geometryObject]);
}
return collection;
}
@end
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