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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();
}
/**
* Updates the latitude and longitude of the four corners of the image
*
* @param latLngQuad latitude and longitude of the four corners of the image
*/
public void setCoordinates(LatLngQuad latLngQuad) {
nativeSetCoordinates(latLngQuad);
}
protected native void initialize(String layerId, LatLngQuad payload);
protected native void nativeSetUrl(String url);
protected native String nativeGetUrl();
protected native void nativeSetImage(Bitmap bitmap);
protected native void nativeSetCoordinates(LatLngQuad latLngQuad);
@Override
protected native void finalize() throws Throwable;
}
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