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[core] Fix screen coordinates when crossing the antimeridian (#2)

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Added missing case. Really fixes #4155 this time.
This commit is contained in:
Bruno de Oliveira Abinader
2016-03-11 02:38:48 +02:00
parent 4bcc24d5af
commit f73beb5913
3 changed files with 18 additions and 2 deletions
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16
test/map/transform.cpp
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@@ -318,4 +318,20 @@ TEST(Transform, Antimeridian) {
ScreenCoordinate pixelSFForwards = transform.latLngToScreenCoordinate(coordinateSanFrancisco);
ASSERT_DOUBLE_EQ(pixelSFBackwards.x, pixelSFForwards.x);
ASSERT_DOUBLE_EQ(pixelSFBackwards.y, pixelSFForwards.y);
const LatLng coordinateWaikiri{ -16.9310, 179.9787 };
transform.setLatLngZoom(coordinateWaikiri, 10);
ScreenCoordinate pixelWaikiri = transform.latLngToScreenCoordinate(coordinateWaikiri);
ASSERT_DOUBLE_EQ(500.00000000007759, pixelWaikiri.x);
ASSERT_DOUBLE_EQ(500, pixelWaikiri.y);
transform.setLatLng({ coordinateWaikiri.latitude, 180.0213 });
ScreenCoordinate pixelWaikiriForwards = transform.latLngToScreenCoordinate(coordinateWaikiri);
ASSERT_DOUBLE_EQ(437.95953728819512, pixelWaikiriForwards.x);
ASSERT_DOUBLE_EQ(pixelWaikiri.y, pixelWaikiriForwards.y);
transform.setLatLng({ coordinateWaikiri.latitude, -179.9787 });
ScreenCoordinate pixelWaikiriBackwards = transform.latLngToScreenCoordinate(coordinateWaikiri);
ASSERT_DOUBLE_EQ(pixelWaikiriForwards.x, pixelWaikiriBackwards.x);
ASSERT_DOUBLE_EQ(pixelWaikiriForwards.y, pixelWaikiriBackwards.y);
}