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MGLGeometry_Private.h
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MGLGeometry_Private.h
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#import "MGLGeometry.h"
#import <TargetConditionals.h>
#if TARGET_OS_IPHONE
#import <UIKit/UIKit.h>
#endif
#import <mbgl/util/geo.hpp>
#import <mbgl/util/geometry.hpp>
/// Returns the smallest rectangle that contains both the given rectangle and
/// the given point.
CGRect MGLExtendRect(CGRect rect, CGPoint point);
mbgl::LatLng MGLLatLngFromLocationCoordinate2D(CLLocationCoordinate2D coordinate);
NS_INLINE mbgl::Point<double> MGLPointFromLocationCoordinate2D(CLLocationCoordinate2D coordinate) {
return mbgl::Point<double>(coordinate.longitude, coordinate.latitude);
}
NS_INLINE CLLocationCoordinate2D MGLLocationCoordinate2DFromLatLng(mbgl::LatLng latLng) {
return CLLocationCoordinate2DMake(latLng.latitude(), latLng.longitude());
}
NS_INLINE MGLCoordinateBounds MGLCoordinateBoundsFromLatLngBounds(mbgl::LatLngBounds latLngBounds) {
return MGLCoordinateBoundsMake(MGLLocationCoordinate2DFromLatLng(latLngBounds.southwest()),
MGLLocationCoordinate2DFromLatLng(latLngBounds.northeast()));
}
NS_INLINE mbgl::LatLngBounds MGLLatLngBoundsFromCoordinateBounds(MGLCoordinateBounds coordinateBounds) {
return mbgl::LatLngBounds::hull(MGLLatLngFromLocationCoordinate2D(coordinateBounds.sw),
MGLLatLngFromLocationCoordinate2D(coordinateBounds.ne));
}
#if TARGET_OS_IPHONE
NS_INLINE mbgl::EdgeInsets MGLEdgeInsetsFromNSEdgeInsets(UIEdgeInsets insets) {
return { insets.top, insets.left, insets.bottom, insets.right };
}
#else
NS_INLINE mbgl::EdgeInsets MGLEdgeInsetsFromNSEdgeInsets(NSEdgeInsets insets) {
return { insets.top, insets.left, insets.bottom, insets.right };
}
#endif
/** Converts a map zoom level to a camera altitude.
@param zoomLevel The zoom level to convert.
@param pitch The camera pitch, measured in degrees.
@param latitude The latitude of the point at the center of the viewport.
@param size The size of the viewport.
@return An altitude measured in meters. */
CLLocationDistance MGLAltitudeForZoomLevel(double zoomLevel, CGFloat pitch, CLLocationDegrees latitude, CGSize size);
/** Converts a camera altitude to a map zoom level.
@param altitude The altitude to convert, measured in meters.
@param pitch The camera pitch, measured in degrees.
@param latitude The latitude of the point at the center of the viewport.
@param size The size of the viewport.
@return A zero-based zoom level. */
double MGLZoomLevelForAltitude(CLLocationDistance altitude, CGFloat pitch, CLLocationDegrees latitude, CGSize size);