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| author | Asheem Mamoowala <asheem.mamoowala@mapbox.com> | 2017-12-18 17:11:43 -0800 |
|---|---|---|
| committer | Asheem Mamoowala <asheem.mamoowala@mapbox.com> | 2018-04-05 18:04:25 -0700 |
| commit | cc01781db7281032f8c0c5eae54281187522a861 (patch) | |
| tree | c12b23f6b69f8499a4d3db476b0f30c693c654e2 /platform/darwin/src/MGLGeometry.h | |
| parent | dc495e1c9d831ccf928381845ffcb409c5d91271 (diff) | |
| download | qtlocation-mapboxgl-cc01781db7281032f8c0c5eae54281187522a861.tar.gz | |
[ios, macos] Projection Matrix and LatLng projection to Mercator methods
Diffstat (limited to 'platform/darwin/src/MGLGeometry.h')
| -rw-r--r-- | platform/darwin/src/MGLGeometry.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/platform/darwin/src/MGLGeometry.h b/platform/darwin/src/MGLGeometry.h index 7c68033abf..5d8e7eccd5 100644 --- a/platform/darwin/src/MGLGeometry.h +++ b/platform/darwin/src/MGLGeometry.h @@ -14,6 +14,16 @@ typedef struct __attribute__((objc_boxable)) MGLCoordinateSpan { CLLocationDegrees longitudeDelta; } MGLCoordinateSpan; +/* Defines a point on the map in Mercator projection for a specific zoom level. */ +typedef struct __attribute__((objc_boxable)) MGLMapPoint { + /** X coordinate representing a longitude in Mercator projection. */ + CGFloat x; + /** Y coordinate representing a latitide in Mercator projection. */ + CGFloat y; + /** Zoom level at which the X and Y coordinates are valid. */ + CGFloat zoomLevel; +} MGLMapPoint; + /** Creates a new `MGLCoordinateSpan` from the given latitudinal and longitudinal deltas. @@ -181,4 +191,7 @@ NS_INLINE CLLocationDegrees MGLDegreesFromRadians(CGFloat radians) { return radians * 180 / M_PI; } +/** Returns Mercator projection of a WGS84 coordinate at the specified zoom level. */ +extern MGL_EXPORT MGLMapPoint MGLMapPointMake(CLLocationCoordinate2D coordinate, double zoomLevel); + NS_ASSUME_NONNULL_END |