diff options
Diffstat (limited to 'platform/ios/src/MGLMapView.mm')
| -rw-r--r-- | platform/ios/src/MGLMapView.mm | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm index 77fd810e16..0b0bf4a34b 100644 --- a/platform/ios/src/MGLMapView.mm +++ b/platform/ios/src/MGLMapView.mm @@ -1556,10 +1556,12 @@ public: if (doubleTap.state == UIGestureRecognizerStateEnded) { MGLMapCamera *oldCamera = self.camera; - + + double newZoom = round(self.zoomLevel) + 1.0; + CGPoint gesturePoint = [self anchorPointForGesture:doubleTap]; - - MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:self.zoomLevel + 1.0 aroundAnchorPoint:gesturePoint]; + + MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:newZoom aroundAnchorPoint:gesturePoint]; if (![self.delegate respondsToSelector:@selector(mapView:shouldChangeFromCamera:toCamera:)] || [self.delegate mapView:self shouldChangeFromCamera:oldCamera toCamera:toCamera]) @@ -1567,7 +1569,7 @@ public: [self trackGestureEvent:MGLEventGestureDoubleTap forRecognizer:doubleTap]; mbgl::ScreenCoordinate center(gesturePoint.x, gesturePoint.y); - _mbglMap->scaleBy(2, center, MGLDurationInSecondsFromTimeInterval(MGLAnimationDuration)); + _mbglMap->setZoom(newZoom, center, MGLDurationInSecondsFromTimeInterval(MGLAnimationDuration)); __weak MGLMapView *weakSelf = self; @@ -1595,16 +1597,17 @@ public: { MGLMapCamera *oldCamera = self.camera; - double zoom = self.zoomLevel; + double newZoom = round(self.zoomLevel) - 1.0; + CGPoint gesturePoint = [self anchorPointForGesture:twoFingerTap]; - - MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:zoom - 1.0 aroundAnchorPoint:gesturePoint]; + + MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:newZoom aroundAnchorPoint:gesturePoint]; if (![self.delegate respondsToSelector:@selector(mapView:shouldChangeFromCamera:toCamera:)] || [self.delegate mapView:self shouldChangeFromCamera:oldCamera toCamera:toCamera]) { mbgl::ScreenCoordinate center(gesturePoint.x, gesturePoint.y); - _mbglMap->scaleBy(0.5, center, MGLDurationInSecondsFromTimeInterval(MGLAnimationDuration)); + _mbglMap->setZoom(newZoom, center, MGLDurationInSecondsFromTimeInterval(MGLAnimationDuration)); __weak MGLMapView *weakSelf = self; |