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#import "MGLMultiPoint_Private.h"
#import "MGLGeometry_Private.h"
#import "MGLShape_Private.h"
#import "NSCoder+MGLAdditions.h"
#import "MGLTypes.h"
@implementation MGLMultiPoint
{
mbgl::optional<mbgl::LatLngBounds> _bounds;
std::vector<CLLocationCoordinate2D> _coordinates;
}
- (instancetype)initWithCoordinates:(const CLLocationCoordinate2D *)coords count:(NSUInteger)count
{
self = [super init];
if (self)
{
if (!count) {
[NSException raise:NSInvalidArgumentException
format:@"A multipoint must have at least one vertex."];
}
_coordinates = { coords, coords + count };
}
return self;
}
- (instancetype)initWithCoder:(NSCoder *)decoder
{
if (self = [super initWithCoder:decoder]) {
_coordinates = [decoder mgl_decodeLocationCoordinates2DForKey:@"coordinates"];
}
return self;
}
- (void)encodeWithCoder:(NSCoder *)coder
{
[super encodeWithCoder:coder];
[coder mgl_encodeLocationCoordinates2D:_coordinates forKey:@"coordinates"];
}
- (BOOL)isEqual:(id)other
{
if (self == other) return YES;
if (![other isKindOfClass:[MGLMultiPoint class]]) return NO;
MGLMultiPoint *otherMultipoint = other;
return ([super isEqual:otherMultipoint]
&& _coordinates == otherMultipoint->_coordinates);
}
- (NSUInteger)hash
{
NSUInteger hash = [super hash];
for (auto coord : _coordinates) {
hash += @(coord.latitude+coord.longitude).hash;
}
return hash;
}
- (CLLocationCoordinate2D)coordinate
{
NSAssert([self pointCount] > 0, @"A multipoint must have coordinates");
return _coordinates.at(0);
}
- (NSUInteger)pointCount
{
return _coordinates.size();
}
+ (NS_SET_OF(NSString *) *)keyPathsForValuesAffectingPointCount
{
return [NSSet setWithObjects:@"coordinates", nil];
}
- (CLLocationCoordinate2D *)coordinates
{
return _coordinates.data();
}
- (void)getCoordinates:(CLLocationCoordinate2D *)coords range:(NSRange)range
{
if (range.location + range.length > [self pointCount])
{
[NSException raise:NSRangeException
format:@"Invalid coordinate range %@ extends beyond current coordinate count of %ld",
NSStringFromRange(range), (unsigned long)[self pointCount]];
}
std::copy(_coordinates.begin() + range.location, _coordinates.begin() + NSMaxRange(range), coords);
}
- (void)setCoordinates:(CLLocationCoordinate2D *)coords count:(NSUInteger)count {
if (!count) {
[NSException raise:NSInvalidArgumentException
format:@"A multipoint must have at least one vertex."];
}
[self willChangeValueForKey:@"coordinates"];
_coordinates = { coords, coords + count };
_bounds = {};
[self didChangeValueForKey:@"coordinates"];
}
- (void)insertCoordinates:(const CLLocationCoordinate2D *)coords count:(NSUInteger)count atIndex:(NSUInteger)index {
if (!count) {
return;
}
if (index > _coordinates.size()) {
[NSException raise:NSRangeException
format:@"Invalid index %lu for existing coordinate count %ld",
(unsigned long)index, (unsigned long)[self pointCount]];
}
[self willChangeValueForKey:@"coordinates"];
_coordinates.insert(_coordinates.begin() + index, count, *coords);
_bounds = {};
[self didChangeValueForKey:@"coordinates"];
}
- (void)appendCoordinates:(const CLLocationCoordinate2D *)coords count:(NSUInteger)count
{
[self insertCoordinates:coords count:count atIndex:_coordinates.size()];
}
- (void)replaceCoordinatesInRange:(NSRange)range withCoordinates:(const CLLocationCoordinate2D *)coords
{
[self replaceCoordinatesInRange:range withCoordinates:coords count:range.length];
}
- (void)replaceCoordinatesInRange:(NSRange)range withCoordinates:(const CLLocationCoordinate2D *)coords count:(NSUInteger)count {
if (!count && !range.length) {
return;
}
if (NSMaxRange(range) > _coordinates.size()) {
[NSException raise:NSRangeException
format:@"Invalid range %@ for existing coordinate count %ld",
NSStringFromRange(range), (unsigned long)[self pointCount]];
}
[self willChangeValueForKey:@"coordinates"];
std::copy(coords, coords + MIN(count, range.length), _coordinates.begin() + range.location);
if (count >= range.length) {
_coordinates.insert(_coordinates.begin() + NSMaxRange(range), coords, coords + count - range.length);
} else {
_coordinates.erase(_coordinates.begin() + range.location + count, _coordinates.begin() + NSMaxRange(range));
}
_bounds = {};
[self didChangeValueForKey:@"coordinates"];
}
- (void)removeCoordinatesInRange:(NSRange)range {
CLLocationCoordinate2D coords;
[self replaceCoordinatesInRange:range withCoordinates:&coords count:0];
}
- (MGLCoordinateBounds)overlayBounds
{
if (!_bounds) {
mbgl::LatLngBounds bounds = mbgl::LatLngBounds::empty();
for (auto coordinate : _coordinates) {
if (!CLLocationCoordinate2DIsValid(coordinate)) {
bounds = mbgl::LatLngBounds::empty();
break;
}
bounds.extend(MGLLatLngFromLocationCoordinate2D(coordinate));
}
_bounds = bounds;
}
return MGLCoordinateBoundsFromLatLngBounds(*_bounds);
}
- (BOOL)intersectsOverlayBounds:(MGLCoordinateBounds)overlayBounds
{
return MGLCoordinateBoundsIntersectsCoordinateBounds(self.overlayBounds, overlayBounds);
}
- (mbgl::Annotation)annotationObjectWithDelegate:(__unused id <MGLMultiPointDelegate>)delegate
{
NSAssert(NO, @"Cannot add an annotation from an instance of %@", NSStringFromClass([self class]));
return mbgl::SymbolAnnotation({mbgl::Point<double>()});
}
- (NSString *)description
{
return [NSString stringWithFormat:@"<%@: %p; count = %lu; bounds = %@>",
NSStringFromClass([self class]), (void *)self, (unsigned long)[self pointCount],
MGLStringFromCoordinateBounds(self.overlayBounds)];
}
@end
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