61 lines
1.8 KiB
Java
61 lines
1.8 KiB
Java
package com.example.mangowalking.overlay;
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/**
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* 地图服务工具类
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*/
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import android.graphics.Bitmap;
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import com.amap.api.maps.model.LatLng;
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import com.amap.api.services.core.LatLonPoint;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.List;
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class AMapServicesUtil {
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public static int BUFFER_SIZE = 2048;
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public static byte[] inputStreamToByte(InputStream in) throws IOException {
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ByteArrayOutputStream outStream = new ByteArrayOutputStream();
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byte[] data = new byte[BUFFER_SIZE];
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int count = -1;
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while ((count = in.read(data, 0, BUFFER_SIZE)) != -1){
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outStream.write(data, 0, count);
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}
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data = null;
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return outStream.toByteArray();
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}
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public static LatLonPoint convertToLatLonPoint(LatLng latlon) {
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return new LatLonPoint(latlon.latitude, latlon.longitude);
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}
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public static LatLng convertToLatLng(LatLonPoint latLonPoint) {
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return new LatLng(latLonPoint.getLatitude(), latLonPoint.getLongitude());
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}
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public static ArrayList<LatLng> convertArrList(List<LatLonPoint> shapes) {
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ArrayList<LatLng> lineShapes = new ArrayList<LatLng>();
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for (LatLonPoint point : shapes) {
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LatLng latLngTemp = AMapServicesUtil.convertToLatLng(point);
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lineShapes.add(latLngTemp);
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}
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return lineShapes;
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}
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public static Bitmap zoomBitmap(Bitmap bitmap, float res) {
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if (bitmap == null) {
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return null;
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}
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int width, height;
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width = (int) (bitmap.getWidth() * res);
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height = (int) (bitmap.getHeight() * res);
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Bitmap newbmp = Bitmap.createScaledBitmap(bitmap, width, height, true);
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return newbmp;
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}
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}
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