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Add projection functions to Java

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This commit is contained in:
Leith Bade
2015-02-16 15:25:31 -08:00
parent 4daa02987b
commit 5c79baedf9
14 changed files with 452 additions and 65 deletions
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17
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/MapView.java
View File

@@ -30,6 +30,7 @@ import android.widget.ZoomButtonsController;
import com.almeros.android.multitouch.gesturedetectors.RotateGestureDetector;
import com.almeros.android.multitouch.gesturedetectors.TwoFingerGestureDetector;
import com.mapbox.mapboxgl.lib.geometry.LatLng;
import com.mapbox.mapboxgl.lib.geometry.LatLngZoom;
import org.apache.commons.validator.routines.UrlValidator;
@@ -135,7 +136,6 @@ public class MapView extends SurfaceView {
// Check if we are in Eclipse UI editor
if (isInEditMode()) {
// TODO editor does not load properly because we don't implement this
return;
}
@@ -386,7 +386,7 @@ public class MapView extends SurfaceView {
public void removeAllClasses(long transitionDuration) {
mNativeMapView.setDefaultTransitionDuration(transitionDuration);
ArrayList<String> classes = new ArrayList<String>(0);
ArrayList<String> classes = new ArrayList<>(0);
setClasses(classes);
}
@@ -436,7 +436,7 @@ public class MapView extends SurfaceView {
outState.putBoolean(STATE_DEBUG_ACTIVE, isDebugActive());
outState.putString(STATE_STYLE_URL, mStyleUrl);
outState.putString(STATE_ACCESS_TOKEN, getAccessToken());
outState.putStringArrayList(STATE_CLASSES, new ArrayList<String>(getClasses()));
outState.putStringArrayList(STATE_CLASSES, new ArrayList<>(getClasses()));
outState.putLong(STATE_DEFAULT_TRANSITION_DURATION, mNativeMapView.getDefaultTransitionDuration());
}
@@ -531,8 +531,6 @@ public class MapView extends SurfaceView {
}
}
// TODO examine how GLSurvaceView hadles attach/detach from window
// Called when view is no longer connected
@Override
protected void onDetachedFromWindow() {
@@ -560,10 +558,6 @@ public class MapView extends SurfaceView {
// Draw events
//
// TODO: onDraw for UI editor mockup?
// By default it just shows a gray screen with "MapView"
// Not too important but perhaps we could put a static demo map image there
//
// Input events
//
@@ -782,7 +776,7 @@ public class MapView extends SurfaceView {
return false;
}
// TODO complex decision between roate or scale or both (see Google
// TODO complex decision between rotate or scale or both (see Google
// Maps app)
// Cancel any animation
@@ -1011,7 +1005,6 @@ public class MapView extends SurfaceView {
// Called for trackball events, all motions are relative in device specific
// units
// TODO: test trackball click and long click
@Override
public boolean onTrackballEvent(MotionEvent event) {
// Choose the action
@@ -1105,8 +1098,6 @@ public class MapView extends SurfaceView {
@Override @TargetApi(12)
public boolean onGenericMotionEvent(MotionEvent event) {
// Mouse events
// TODO: SOURCE_TOUCH_NAVIGATION?
// TODO: source device resolution?
//if (event.isFromSource(InputDevice.SOURCE_CLASS_POINTER)) { // this is not available before API 18
if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) == InputDevice.SOURCE_CLASS_POINTER) {
// Choose the action

41
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/NativeMapView.java
View File

@@ -1,8 +1,11 @@
package com.mapbox.mapboxgl.lib;
import android.graphics.PointF;
import android.view.Surface;
import com.mapbox.mapboxgl.lib.geometry.LatLng;
import com.mapbox.mapboxgl.lib.geometry.LatLngZoom;
import com.mapbox.mapboxgl.lib.geometry.ProjectedMeters;
import java.util.List;
@@ -392,6 +395,30 @@ class NativeMapView {
nativeSetReachability(mNativeMapViewPtr, status);
}
//public void getWorldBoundsMeters();
//public void getWorldBoundsLatLng();
public double getMetersPerPixelAtLatitude(double lat, double zoom) {
return nativeGetMetersPerPixelAtLatitude(mNativeMapViewPtr, lat, zoom);
}
public ProjectedMeters projectedMetersForLatLng(LatLng latLng) {
return nativeProjectedMetersForLatLng(mNativeMapViewPtr, latLng);
}
public LatLng latLngForProjectedMeters(ProjectedMeters projectedMeters) {
return nativeLatLngForProjectedMeters(mNativeMapViewPtr, projectedMeters);
}
public PointF pixelForLatLng(LatLng latLng) {
return nativePixelForLatLng(mNativeMapViewPtr, latLng);
}
public LatLng latLngForPixel(PointF pixel) {
return nativeLatLngForPixel(mNativeMapViewPtr, pixel);
}
//
// Callbacks
//
@@ -553,4 +580,18 @@ class NativeMapView {
private native boolean nativeGetDebug(long nativeMapViewPtr);
private native void nativeSetReachability(long nativeMapViewPtr, boolean status);
//private native void nativeGetWorldBoundsMeters(long nativeMapViewPtr);
//private native void nativeGetWorldBoundsLatLng(long nativeMapViewPtr);
private native double nativeGetMetersPerPixelAtLatitude(long nativeMapViewPtr, double lat, double zoom);
private native ProjectedMeters nativeProjectedMetersForLatLng(long nativeMapViewPtr, LatLng latLng);
private native LatLng nativeLatLngForProjectedMeters(long nativeMapViewPtr, ProjectedMeters projectedMeters);
private native PointF nativePixelForLatLng(long nativeMapViewPtr, LatLng latLng);
private native LatLng nativeLatLngForPixel(long nativeMapViewPtr, PointF pixel);
}

2
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/constants/GeoConstants.java
View File

@@ -1,6 +1,6 @@
package com.mapbox.mapboxgl.lib.constants;
public interface GeoConstants {
public class GeoConstants {
// http://en.wikipedia.org/wiki/Earth_radius#Equatorial_radius
public static final int RADIUS_EARTH_METERS = 6378137;
public static final double MIN_LATITUDE = -85.05112878;

2
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/constants/MathConstants.java
View File

@@ -1,6 +1,6 @@
package com.mapbox.mapboxgl.lib.constants;
public interface MathConstants {
public class MathConstants {
public static final double DEG2RAD = (Math.PI / 180.0);
public static final double RAD2DEG = (180.0 / Math.PI);

3
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/geometry/BoundingBox.java
View File

@@ -2,6 +2,7 @@ package com.mapbox.mapboxgl.lib.geometry;
import android.os.Parcel;
import android.os.Parcelable;
import java.io.Serializable;
import java.util.List;
@@ -10,8 +11,6 @@ import java.util.List;
*/
public final class BoundingBox implements Parcelable, Serializable {
static final long serialVersionUID = 2L;
private final double mLatNorth;
private final double mLatSouth;
private final double mLonEast;

6
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/geometry/CoordinateRegion.java
View File

@@ -7,7 +7,7 @@ public class CoordinateRegion {
private LatLng center;
private CoordinateSpan span;
public CoordinateRegion(LatLng center, CoordinateSpan span) {
public CoordinateRegion(final LatLng center, final CoordinateSpan span) {
this.center = center;
this.span = span;
}
@@ -16,7 +16,7 @@ public class CoordinateRegion {
return center;
}
public void setCenter(LatLng center) {
public void setCenter(final LatLng center) {
this.center = center;
}
@@ -24,7 +24,7 @@ public class CoordinateRegion {
return span;
}
public void setSpan(CoordinateSpan span) {
public void setSpan(final CoordinateSpan span) {
this.span = span;
}
}

8
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/geometry/CoordinateSpan.java
View File

@@ -3,12 +3,12 @@ package com.mapbox.mapboxgl.lib.geometry;
/**
* Implementation of iOS MKCoordinateSpan
*/
public final class CoordinateSpan {
public class CoordinateSpan {
private double latitudeSpan;
private double longitudeSpan;
public CoordinateSpan(double latitudeSpan, double longitudeSpan) {
public CoordinateSpan(final double latitudeSpan, final double longitudeSpan) {
this.latitudeSpan = latitudeSpan;
this.longitudeSpan = longitudeSpan;
}
@@ -17,7 +17,7 @@ public final class CoordinateSpan {
return latitudeSpan;
}
public void setLatitudeSpan(double latitudeSpan) {
public void setLatitudeSpan(final double latitudeSpan) {
this.latitudeSpan = latitudeSpan;
}
@@ -25,7 +25,7 @@ public final class CoordinateSpan {
return longitudeSpan;
}
public void setLongitudeSpan(double longitudeSpan) {
public void setLongitudeSpan(final double longitudeSpan) {
this.longitudeSpan = longitudeSpan;
}
}

7
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/geometry/IProjectedMeters.java Normal file
View File

@@ -0,0 +1,7 @@
package com.mapbox.mapboxgl.lib.geometry;
public interface IProjectedMeters {
double getNorthing();
double getEasting();
}

49
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/geometry/LatLng.java
View File

@@ -3,11 +3,13 @@ package com.mapbox.mapboxgl.lib.geometry;
import android.location.Location;
import android.os.Parcel;
import android.os.Parcelable;
import com.mapbox.mapboxgl.lib.constants.GeoConstants;
import com.mapbox.mapboxgl.lib.constants.MathConstants;
import java.io.Serializable;
public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable, Serializable {
public class LatLng implements ILatLng, Parcelable, Serializable {
public static final Parcelable.Creator<LatLng> CREATOR = new Parcelable.Creator<LatLng>() {
public LatLng createFromParcel(Parcel in) {
@@ -26,7 +28,7 @@ public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable,
/**
* Construct a new latitude, longitude point given float arguments
* @param latitude Latitude in degrees
* @param longitude Longitude in degress
* @param longitude Longitude in degrees
*/
public LatLng(double latitude, double longitude) {
this.latitude = latitude;
@@ -39,7 +41,7 @@ public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable,
* @param longitude Longitude in degress
* @param altitude Altitude in meters
*/
public LatLng(final double latitude, final double longitude, final double altitude) {
public LatLng(double latitude, double longitude, double altitude) {
this.latitude = latitude;
this.longitude = longitude;
this.altitude = altitude;
@@ -49,7 +51,7 @@ public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable,
* Transform a Location into a LatLng point
* @param location Android Location
*/
public LatLng(final Location location) {
public LatLng(Location location) {
this(location.getLatitude(), location.getLongitude(), location.getAltitude());
}
@@ -57,15 +59,15 @@ public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable,
* Clone an existing latitude longitude point
* @param aLatLng LatLng
*/
public LatLng(final LatLng aLatLng) {
public LatLng(LatLng aLatLng) {
this.latitude = aLatLng.latitude;
this.longitude = aLatLng.longitude;
this.altitude = aLatLng.altitude;
}
protected LatLng(Parcel in) {
longitude = in.readDouble();
latitude = in.readDouble();
longitude = in.readDouble();
altitude = in.readDouble();
}
@@ -86,14 +88,25 @@ public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable,
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
LatLng latLng = (LatLng) o;
if (Double.compare(latLng.altitude, altitude) != 0) return false;
if (Double.compare(latLng.latitude, latitude) != 0) return false;
if (Double.compare(latLng.longitude, longitude) != 0) return false;
if (Double.compare(latLng.altitude, altitude) != 0) {
return false;
}
if (Double.compare(latLng.latitude, latitude) != 0) {
return false;
}
if (Double.compare(latLng.longitude, longitude) != 0) {
return false;
}
return true;
}
@@ -123,8 +136,8 @@ public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable,
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeDouble(longitude);
out.writeDouble(latitude);
out.writeDouble(longitude);
out.writeDouble(altitude);
}
@@ -133,12 +146,12 @@ public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable,
* @param other Other LatLng to compare to
* @return distance in meters
*/
public double distanceTo(final LatLng other) {
public double distanceTo(LatLng other) {
final double a1 = DEG2RAD * this.latitude;
final double a2 = DEG2RAD * this.longitude;
final double b1 = DEG2RAD * other.getLatitude();
final double b2 = DEG2RAD * other.getLongitude();
final double a1 = MathConstants.DEG2RAD * this.latitude;
final double a2 = MathConstants.DEG2RAD * this.longitude;
final double b1 = MathConstants.DEG2RAD * other.getLatitude();
final double b2 = MathConstants.DEG2RAD * other.getLongitude();
final double cosa1 = Math.cos(a1);
final double cosb1 = Math.cos(b1);
@@ -148,6 +161,6 @@ public class LatLng implements ILatLng, GeoConstants, MathConstants, Parcelable,
final double t3 = Math.sin(a1) * Math.sin(b1);
final double tt = Math.acos(t1 + t2 + t3);
return RADIUS_EARTH_METERS * tt;
return GeoConstants.RADIUS_EARTH_METERS * tt;
}
}

27
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/LatLngZoom.java → android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/geometry/LatLngZoom.java
View File

@@ -1,10 +1,11 @@
package com.mapbox.mapboxgl.lib;
package com.mapbox.mapboxgl.lib.geometry;
import android.os.Parcel;
import android.os.Parcelable;
import com.mapbox.mapboxgl.lib.geometry.LatLng;
public class LatLngZoom extends LatLng implements Parcelable {
import java.io.Serializable;
public class LatLngZoom extends LatLng implements Parcelable, Serializable {
public static final Parcelable.Creator<LatLngZoom> CREATOR = new Parcelable.Creator<LatLngZoom>() {
public LatLngZoom createFromParcel(Parcel in) {
@@ -18,8 +19,8 @@ public class LatLngZoom extends LatLng implements Parcelable {
private double zoom;
public LatLngZoom(double lat, double lon, double zoom) {
super(lat, lon);
public LatLngZoom(double latitude, double longitude, double zoom) {
super(latitude, longitude);
this.zoom = zoom;
}
@@ -43,13 +44,21 @@ public class LatLngZoom extends LatLng implements Parcelable {
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
if (!super.equals(o)) {
return false;
}
LatLngZoom that = (LatLngZoom) o;
if (Double.compare(that.zoom, zoom) != 0) return false;
if (Double.compare(that.zoom, zoom) != 0) {
return false;
}
return true;
}

95
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/lib/geometry/ProjectedMeters.java Normal file
View File

@@ -0,0 +1,95 @@
package com.mapbox.mapboxgl.lib.geometry;
import android.os.Parcel;
import android.os.Parcelable;
import java.io.Serializable;
public class ProjectedMeters implements IProjectedMeters, Parcelable, Serializable {
public static final Creator<ProjectedMeters> CREATOR = new Creator<ProjectedMeters>() {
public ProjectedMeters createFromParcel(Parcel in) {
return new ProjectedMeters(in);
}
public ProjectedMeters[] newArray(int size) {
return new ProjectedMeters[size];
}
};
private double northing;
private double easting;
public ProjectedMeters(double northing, double easting) {
this.northing = northing;
this.easting = easting;
}
public ProjectedMeters(ProjectedMeters aProjectedMeters) {
this.northing = aProjectedMeters.northing;
this.easting = aProjectedMeters.easting;
}
protected ProjectedMeters(Parcel in) {
northing = in.readDouble();
easting = in.readDouble();
}
@Override
public double getNorthing() {
return northing;
}
@Override
public double getEasting() {
return easting;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ProjectedMeters projectedMeters = (ProjectedMeters) o;
if (Double.compare(projectedMeters.easting, easting) != 0) {
return false;
}
if (Double.compare(projectedMeters.northing, northing) != 0) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result;
long temp;
temp = Double.doubleToLongBits(easting);
result = (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(northing);
result = 31 * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public String toString() {
return "ProjectedMeters [northing=" + northing + ", easting=" + easting + "]";
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeDouble(northing);
out.writeDouble(easting);
}
}