/* Copyright (C) 2020-2024 José Rebelo, Petr Vaněk
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.activities;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ImageView;
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import androidx.annotation.Nullable;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Objects;
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import java.util.stream.Collectors;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.model.ActivityPoint;
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import nodomain.freeyourgadget.gadgetbridge.model.GPSCoordinate;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.FitFile;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.RecordData;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitRecord;
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import nodomain.freeyourgadget.gadgetbridge.util.gpx.GpxParseException;
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import nodomain.freeyourgadget.gadgetbridge.util.gpx.GpxParser;
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import static android.graphics.Bitmap.createBitmap;
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public class ActivitySummariesGpsFragment extends AbstractGBFragment {
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private static final Logger LOG = LoggerFactory.getLogger(ActivitySummariesGpsFragment.class);
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private ImageView gpsView;
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private final int CANVAS_SIZE = 360;
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private File inputFile;
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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View rootView = inflater.inflate(R.layout.fragment_gps, container, false);
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gpsView = rootView.findViewById(R.id.activitygpsview);
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if (inputFile != null) {
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processInBackgroundThread();
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}
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return rootView;
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}
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public void set_data(File inputFile) {
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this.inputFile = inputFile;
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if (gpsView != null) { //first fragment inflate is AFTER this is called
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processInBackgroundThread();
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}
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}
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private void processInBackgroundThread() {
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final Canvas canvas = createCanvas(gpsView);
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new Thread(() -> {
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final List<GPSCoordinate> points = getActivityPoints(inputFile)
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.stream()
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.map(ActivityPoint::getLocation)
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.filter(Objects::nonNull)
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.collect(Collectors.toList());
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if (!points.isEmpty()) {
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drawTrack(canvas, points);
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}
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}).start();
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}
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public static List<ActivityPoint> getActivityPoints(final File trackFile) {
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final List<ActivityPoint> points = new ArrayList<>();
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if (trackFile.getName().endsWith(".gpx")) {
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try (FileInputStream inputStream = new FileInputStream(trackFile)) {
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final GpxParser gpxParser = new GpxParser(inputStream);
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points.addAll(gpxParser.getGpxFile().getActivityPoints());
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} catch (final IOException e) {
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LOG.error("Failed to open {}", trackFile, e);
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} catch (final GpxParseException e) {
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LOG.error("Failed to parse gpx file", e);
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}
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} else if (trackFile.getName().endsWith(".fit")) {
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try {
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FitFile fitFile = FitFile.parseIncoming(trackFile);
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for (final RecordData record : fitFile.getRecords()) {
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if (record instanceof FitRecord) {
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points.add(((FitRecord) record).toActivityPoint());
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}
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}
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} catch (final IOException e) {
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LOG.error("Failed to open {}", trackFile, e);
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} catch (final Exception e) {
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LOG.error("Failed to parse fit file", e);
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}
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} else {
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LOG.warn("Unknown file type {}", trackFile.getName());
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}
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return points;
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}
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private void drawTrack(Canvas canvas, List<? extends GPSCoordinate> trackPoints) {
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double maxLat = (Collections.max(trackPoints, new GPSCoordinate.compareLatitude())).getLatitude();
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double minLat = (Collections.min(trackPoints, new GPSCoordinate.compareLatitude())).getLatitude();
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double maxLon = (Collections.max(trackPoints, new GPSCoordinate.compareLongitude())).getLongitude();
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double minLon = (Collections.min(trackPoints, new GPSCoordinate.compareLongitude())).getLongitude();
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double maxAlt = (Collections.max(trackPoints, new GPSCoordinate.compareElevation())).getAltitude();
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double minAlt = (Collections.min(trackPoints, new GPSCoordinate.compareElevation())).getAltitude();
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float scale_factor_w = (float) ((maxLon - minLon) / (maxLat - minLat));
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float scale_factor_h = (float) ((maxLat - minLat) / (maxLon - minLon));
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if (scale_factor_h > scale_factor_w) { //scaling to draw proportionally
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scale_factor_h = 1;
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} else {
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scale_factor_w = 1;
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}
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Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
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paint.setStrokeWidth(1);
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paint.setColor(getResources().getColor(R.color.chart_activity_light));
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for (GPSCoordinate p : trackPoints) {
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float lat = (float) ((p.getLatitude() - minLat) / (maxLat - minLat));
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float lon = (float) ((p.getLongitude() - minLon) / (maxLon - minLon));
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float alt = (float) ((p.getAltitude() - minAlt) / (maxAlt - minAlt));
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paint.setStrokeWidth(1 + alt); //make thicker with higher altitude, we could do more here
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canvas.drawPoint(CANVAS_SIZE * lon * scale_factor_w, CANVAS_SIZE * lat * scale_factor_h, paint);
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}
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}
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private Canvas createCanvas(ImageView imageView) {
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Bitmap bitmap = createBitmap(CANVAS_SIZE, CANVAS_SIZE, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(bitmap);
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canvas.drawColor(GBApplication.getWindowBackgroundColor(requireActivity()));
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//frame around, but it doesn't look so nice
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/*
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Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
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paint.setStrokeWidth(0);
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paint.setStyle(Paint.Style.STROKE);
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paint.setColor(getResources().getColor(R.color.chart_activity_light));
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canvas.drawRect(0,0,360,360,paint);
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*/
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imageView.setImageBitmap(bitmap);
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imageView.setScaleY(-1f); //flip the canvas
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return canvas;
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}
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@Nullable
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@Override
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protected CharSequence getTitle() {
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return null;
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}
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}
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