[android] Add ImageSource bindings

1 files changed, 137 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/ImageSource.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/ImageSource.java
new file mode 100644
index 0000000000..84e5e96fa4
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/ImageSource.java
@@ -0,0 +1,137 @@
+package com.mapbox.mapboxsdk.style.sources;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.DrawableRes;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.annotation.UiThread;
+import android.support.v4.content.ContextCompat;
+
+import com.mapbox.mapboxsdk.Mapbox;
+import com.mapbox.mapboxsdk.geometry.LatLngQuad;
+
+import java.net.URL;
+
+
+/**
+ * Image source, allows a georeferenced raster image to be shown on the map.
+ * <p>
+ * The georeferenced image scales and rotates as the user zooms and rotates the map.
+ * The geographic location of the raster image content, supplied with `LatLngQuad`,
+ * can be non-axis aligned.
+ * </p>
+ * * @see <a href="https://www.mapbox.com/mapbox-gl-style-spec/#sources-image">the style specification</a>
+ */
+@UiThread
+public class ImageSource extends Source {
+
+  /**
+   * Internal use
+   *
+   * @param nativePtr - pointer to native peer
+   */
+  public ImageSource(long nativePtr) {
+    super(nativePtr);
+  }
+
+  /**
+   * Create an ImageSource from coordinates and an image URL
+   *
+   * @param id          The source id
+   * @param coordinates The Latitude and Longitude of the four corners of the image
+   * @param url         remote json file
+   */
+  public ImageSource(String id, LatLngQuad coordinates, URL url) {
+    initialize(id, coordinates);
+    setUrl(url);
+  }
+
+  /**
+   * Create an ImageSource from coordinates and a bitmap image
+   *
+   * @param id          The source id
+   * @param coordinates The Latitude and Longitude of the four corners of the image
+   * @param bitmap      A Bitmap image
+   */
+  public ImageSource(String id, LatLngQuad coordinates, @NonNull android.graphics.Bitmap bitmap) {
+    initialize(id, coordinates);
+    setImage(bitmap);
+  }
+
+  /**
+   * Create an ImageSource from coordinates and a bitmap image resource
+   *
+   * @param id          The source id
+   * @param coordinates The Latitude and Longitude of the four corners of the image
+   * @param resourceId  The resource ID of a Bitmap image
+   */
+  public ImageSource(String id, LatLngQuad coordinates, @DrawableRes int resourceId) {
+    initialize(id, coordinates);
+    setImage(resourceId);
+  }
+
+  /**
+   * Updates the source image url
+   *
+   * @param url An Image url
+   */
+  public void setUrl(URL url) {
+    setUrl(url.toExternalForm());
+  }
+
+  /**
+   * Updates the source image url
+   *
+   * @param url An image url
+   */
+  public void setUrl(String url) {
+    nativeSetUrl(url);
+  }
+
+  /**
+   * Updates the source image to a bitmap
+   *
+   * @param bitmap A Bitmap image
+   */
+  public void setImage(@NonNull android.graphics.Bitmap bitmap) {
+    nativeSetImage(bitmap);
+  }
+
+  /**
+   * Updates the source image to a bitmap image resource
+   *
+   * @param resourceId The resource ID of a Bitmap image
+   */
+  public void setImage(@DrawableRes int resourceId) throws IllegalArgumentException {
+    Context context = Mapbox.getApplicationContext();
+    Drawable drawable = ContextCompat.getDrawable(context, resourceId);
+    if (drawable instanceof BitmapDrawable) {
+      BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
+      nativeSetImage(bitmapDrawable.getBitmap());
+    } else {
+      throw new IllegalArgumentException("Failed to decode image. The resource provided must be a Bitmap.");
+    }
+  }
+
+  /**
+   * @return The url or null
+   */
+  @Nullable
+  public String getUrl() {
+    return nativeGetUrl();
+  }
+
+  protected native void initialize(String layerId, LatLngQuad payload);
+
+  protected native void nativeSetUrl(String url);
+
+  protected native String nativeGetUrl();
+
+  protected native void nativeSetImage(Bitmap bitmap);
+
+  @Override
+  protected native void finalize() throws Throwable;
+}