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#import "MGLMultiPoint_Private.h"
#import "MGLGeometry_Private.h"
#import <mbgl/util/geo.hpp>
mbgl::Color MGLColorObjectFromCGColorRef(CGColorRef cgColor) {
if (!cgColor) {
return {{ 0, 0, 0, 0 }};
}
NSCAssert(CGColorGetNumberOfComponents(cgColor) >= 4, @"Color must have at least 4 components");
const CGFloat *components = CGColorGetComponents(cgColor);
return {{ (float)components[0], (float)components[1], (float)components[2], (float)components[3] }};
}
@implementation MGLMultiPoint
{
CLLocationCoordinate2D *_coords;
size_t _count;
MGLCoordinateBounds _bounds;
}
- (instancetype)initWithCoordinates:(CLLocationCoordinate2D *)coords
count:(NSUInteger)count
{
self = [super init];
if (self)
{
_count = count;
_coords = (CLLocationCoordinate2D *)malloc(_count * sizeof(CLLocationCoordinate2D));
mbgl::LatLngBounds bounds = mbgl::LatLngBounds::empty();
for (NSUInteger i = 0; i < _count; i++)
{
_coords[i] = coords[i];
bounds.extend(mbgl::LatLng(coords[i].latitude, coords[i].longitude));
}
_bounds = MGLCoordinateBoundsFromLatLngBounds(bounds);
}
return self;
}
- (void)dealloc
{
free(_coords);
}
- (CLLocationCoordinate2D)coordinate
{
if ([self isMemberOfClass:[MGLMultiPoint class]])
{
[[NSException exceptionWithName:@"MGLAbstractClassException"
reason:@"MGLMultiPoint is an abstract class"
userInfo:nil] raise];
}
assert(_count > 0);
return CLLocationCoordinate2DMake(_coords[0].latitude, _coords[0].longitude);
}
- (NSUInteger)pointCount
{
if ([self isMemberOfClass:[MGLMultiPoint class]])
{
[[NSException exceptionWithName:@"MGLAbstractClassException"
reason:@"MGLMultiPoint is an abstract class"
userInfo:nil] raise];
}
return _count;
}
- (void)getCoordinates:(CLLocationCoordinate2D *)coords range:(NSRange)range
{
if ([self isMemberOfClass:[MGLMultiPoint class]])
{
[[NSException exceptionWithName:@"MGLAbstractClassException"
reason:@"MGLMultiPoint is an abstract class"
userInfo:nil] raise];
}
assert(range.location + range.length <= _count);
NSUInteger index = 0;
for (NSUInteger i = range.location; i < range.location + range.length; i++)
{
coords[index] = _coords[i];
index++;
}
}
- (MGLCoordinateBounds)overlayBounds
{
return _bounds;
}
- (BOOL)intersectsOverlayBounds:(MGLCoordinateBounds)overlayBounds
{
return MGLLatLngBoundsFromCoordinateBounds(_bounds).intersects(MGLLatLngBoundsFromCoordinateBounds(overlayBounds));
}
- (void)addShapeAnnotationObjectToCollection:(std::vector<mbgl::ShapeAnnotation> &)shapes withDelegate:(id <MGLMultiPointDelegate>)delegate {
NSUInteger count = self.pointCount;
if (count == 0) {
return;
}
CLLocationCoordinate2D *coordinates = (CLLocationCoordinate2D *)malloc(count * sizeof(CLLocationCoordinate2D));
NSAssert(coordinates, @"Unable to allocate annotation with %lu points", (unsigned long)count);
[self getCoordinates:coordinates range:NSMakeRange(0, count)];
mbgl::AnnotationSegment segment;
segment.reserve(count);
for (NSUInteger i = 0; i < count; i++) {
segment.push_back(MGLLatLngFromLocationCoordinate2D(coordinates[i]));
}
free(coordinates);
shapes.emplace_back(mbgl::AnnotationSegments {{ segment }},
[self shapeAnnotationPropertiesObjectWithDelegate:delegate]);
}
- (mbgl::ShapeAnnotation::Properties)shapeAnnotationPropertiesObjectWithDelegate:(__unused id <MGLMultiPointDelegate>)delegate {
return mbgl::ShapeAnnotation::Properties();
}
@end
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