diff options
Diffstat (limited to 'platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java')
-rw-r--r-- | platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java | 70 |
1 files changed, 50 insertions, 20 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java index ae559189ad..f35355533d 100644 --- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java +++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java @@ -9,6 +9,9 @@ import com.mapbox.mapboxsdk.geometry.LatLngBounds; import com.mapbox.mapboxsdk.geometry.ProjectedMeters; import com.mapbox.mapboxsdk.geometry.VisibleRegion; +import java.util.ArrayList; +import java.util.List; + /** * A projection is used to translate between on screen location and geographic coordinates on * the surface of the Earth. Screen location is in screen pixels (not display pixels) @@ -24,25 +27,17 @@ public class Projection { this.contentPadding = new int[] {0, 0, 0, 0}; } - void setContentPadding(int[] contentPadding, int[] userLocationViewPadding) { + void setContentPadding(int[] contentPadding) { this.contentPadding = contentPadding; - - int[] padding = new int[] { - contentPadding[0] + userLocationViewPadding[0], - contentPadding[1] + userLocationViewPadding[1], - contentPadding[2] + userLocationViewPadding[2], - contentPadding[3] + userLocationViewPadding[3] - }; - - nativeMapView.setContentPadding(padding); + nativeMapView.setContentPadding(contentPadding); } int[] getContentPadding() { return contentPadding; } - public void invalidateContentPadding(int[] userLocationViewPadding) { - setContentPadding(contentPadding, userLocationViewPadding); + public void invalidateContentPadding() { + setContentPadding(contentPadding); } /** @@ -103,14 +98,49 @@ public class Projection { LatLng bottomRight = fromScreenLocation(new PointF(right, bottom)); LatLng bottomLeft = fromScreenLocation(new PointF(left, bottom)); - return new VisibleRegion(topLeft, topRight, bottomLeft, bottomRight, - new LatLngBounds.Builder() - .include(topRight) - .include(bottomLeft) - .include(bottomRight) - .include(topLeft) - .build() - ); + // Map can be rotated, find correct LatLngBounds that encompasses the visible region (that might be rotated) + List<LatLng> boundsPoints = new ArrayList<>(); + boundsPoints.add(topLeft); + boundsPoints.add(topRight); + boundsPoints.add(bottomRight); + boundsPoints.add(bottomLeft); + + // order so that two most northern point are put first + while ((boundsPoints.get(0).getLatitude() < boundsPoints.get(3).getLatitude()) + || (boundsPoints.get(1).getLatitude() < boundsPoints.get(2).getLatitude())) { + LatLng first = boundsPoints.remove(0); + boundsPoints.add(first); + } + + double north = boundsPoints.get(0).getLatitude(); + if (north < boundsPoints.get(1).getLatitude()) { + north = boundsPoints.get(1).getLatitude(); + } + + double south = boundsPoints.get(2).getLatitude(); + if (south > boundsPoints.get(3).getLatitude()) { + south = boundsPoints.get(3).getLatitude(); + } + + double firstLon = boundsPoints.get(0).getLongitude(); + double secondLon = boundsPoints.get(1).getLongitude(); + double thridLon = boundsPoints.get(2).getLongitude(); + double fourthLon = boundsPoints.get(3).getLongitude(); + + // if it does not go over the date line + if (secondLon > fourthLon && firstLon < thridLon) { + return new VisibleRegion(topLeft, topRight, bottomLeft, bottomRight, + LatLngBounds.from(north, + secondLon > thridLon ? secondLon : thridLon, + south, + firstLon < fourthLon ? firstLon : fourthLon)); + } else { + return new VisibleRegion(topLeft, topRight, bottomLeft, bottomRight, + LatLngBounds.from(north, + secondLon < thridLon ? secondLon : thridLon, + south, + firstLon > fourthLon ? firstLon : fourthLon)); + } } /** |