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Share: removed Google's chart generator

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This commit is contained in:
Dennis Guse
2019-06-25 06:19:25 +02:00
parent 5a479c6dfe
commit f33db6c766
5 changed files with 0 additions and 344 deletions
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myTracks/src/main/java/com/google/android/apps/mytracks/content/DescriptionGeneratorImpl.java
-7
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@@ -20,7 +20,6 @@ import android.content.Context;
import android.support.annotation.VisibleForTesting;
import com.google.android.apps.mytracks.stats.TripStatistics;
import com.google.android.apps.mytracks.util.ChartURLGenerator;
import com.google.android.apps.mytracks.util.StringUtils;
import com.google.android.apps.mytracks.util.UnitConversions;
import com.google.android.maps.mytracks.R;
@@ -65,12 +64,6 @@ public class DescriptionGeneratorImpl implements DescriptionGenerator {
writeString(track.getDescription(), builder, R.string.generic_description_line, lineBreak);
builder.append(generateTripStatisticsDescription(track.getTripStatistics(), html));
// Elevation chart
if (html && distances != null && elevations != null) {
builder.append("<img border=\"0\" src=\""
+ ChartURLGenerator.getChartUrl(distances, elevations, track, context) + "\"/>");
builder.append(HTML_LINE_BREAK);
}
return builder.toString();
}
myTracks/src/main/java/com/google/android/apps/mytracks/util/ChartURLGenerator.java
-164
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@@ -1,164 +0,0 @@
/*
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.android.apps.mytracks.util;
import android.content.Context;
import android.support.annotation.VisibleForTesting;
import com.google.android.apps.mytracks.content.Track;
import com.google.android.apps.mytracks.stats.TripStatistics;
import com.google.android.maps.mytracks.R;
import java.util.Vector;
/**
* This class will generate google chart server url's.
*
* @author Sandor Dornbush
*/
public class ChartURLGenerator {
private static final String CHARTS_BASE_URL = "http://chart.apis.google.com/chart?";
private ChartURLGenerator() {}
/**
* Gets a chart of a track.
*
* @param distances An array of distance measurements
* @param elevations A matching array of elevation measurements
* @param track The track for this chart
* @param context The current appplication context
*/
public static String getChartUrl(
Vector<Double> distances, Vector<Double> elevations, Track track, Context context) {
boolean metricUnits = PreferencesUtils.isMetricUnits(context);
return getChartUrl(
distances, elevations, track, context.getString(R.string.stats_elevation), metricUnits);
}
/**
* Gets a chart of a track. This form is for testing without contexts.
*
* @param distances An array of distance measurements
* @param elevations A matching array of elevation measurements
* @param track The track for this chart
* @param title The title for the chart
* @param metricUnits Should the data be displayed in metric units
*/
@VisibleForTesting
static String getChartUrl(Vector<Double> distances, Vector<Double> elevations, Track track,
String title, boolean metricUnits) {
if (distances == null || elevations == null || track == null) {
return null;
}
if (distances.size() != elevations.size()) {
return null;
}
// Round it up.
TripStatistics tripStatistics = track.getTripStatistics();
double effectiveMaxY = tripStatistics.getMaxElevation();
if (!metricUnits) {
effectiveMaxY *= UnitConversions.M_TO_FT;
}
effectiveMaxY = ((int) (effectiveMaxY / 100)) * 100 + 100;
// Round it down.
double effectiveMinY = tripStatistics.getMinElevation();
if (!metricUnits) {
effectiveMinY *= UnitConversions.M_TO_FT;
}
effectiveMinY = ((int) (effectiveMinY / 100)) * 100;
if (tripStatistics.getMinElevation() < 0) {
effectiveMinY -= 100;
}
double ySpread = effectiveMaxY - effectiveMinY;
StringBuilder sb = new StringBuilder(CHARTS_BASE_URL);
sb.append("&chs=600x350");
sb.append("&cht=lxy");
// Title
sb.append("&chtt=");
sb.append(title);
// Labels
sb.append("&chxt=x,y");
double totalDistance = tripStatistics.getTotalDistance() * UnitConversions.M_TO_KM;
if (!metricUnits) {
totalDistance *= UnitConversions.KM_TO_MI;
}
int xInterval = ((int) (totalDistance / 6));
int yInterval = ((int) (ySpread / 600)) * 100;
if (yInterval < 100) {
yInterval = 25;
}
// Range
sb.append("&chxr=0,0,");
sb.append((int) totalDistance);
sb.append(',');
sb.append(xInterval);
sb.append("|1,");
sb.append(effectiveMinY);
sb.append(',');
sb.append(effectiveMaxY);
sb.append(',');
sb.append(yInterval);
// Line color
sb.append("&chco=009A00");
// Fill
sb.append("&chm=B,00AA00,0,0,0");
// Grid lines
double desiredGrids = ySpread / yInterval;
sb.append("&chg=100000,");
sb.append(100.0 / desiredGrids);
sb.append(",1,0");
// Data
sb.append("&chd=e:");
for (int i = 0; i < distances.size(); i++) {
int normalized = (int) (getNormalizedDistance(distances.elementAt(i), track) * 4095);
sb.append(ChartsExtendedEncoder.getEncodedValue(normalized));
}
sb.append(ChartsExtendedEncoder.getSeparator());
for (int i = 0; i < elevations.size(); i++) {
double value = elevations.elementAt(i);
if (!metricUnits) {
value *= UnitConversions.M_TO_FT;
}
int normalized = (int) (getNormalizedElevation(value, effectiveMinY, ySpread) * 4095);
sb.append(ChartsExtendedEncoder.getEncodedValue(normalized));
}
return sb.toString();
}
private static double getNormalizedDistance(double value, Track track) {
return value / track.getTripStatistics().getTotalDistance();
}
private static double getNormalizedElevation(double value, double effectiveMinY, double ySpread) {
return (value - effectiveMinY) / ySpread;
}
}
myTracks/src/main/java/com/google/android/apps/mytracks/util/ChartsExtendedEncoder.java
-51
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@@ -1,51 +0,0 @@
/*
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.android.apps.mytracks.util;
/**
* The singleton class representing the extended encoding of chart data.
*/
public class ChartsExtendedEncoder {
// ChartServer data encoding in extended mode
private static final String CHARTSERVER_EXTENDED_ENCODING_SEPARATOR = ",";
private static final String CHARTSERVER_EXTENDED_ENCODING =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-.";
private static final int CHARTSERVER_EXTENDED_SINGLE_CHARACTER_VALUES =
CHARTSERVER_EXTENDED_ENCODING.length();
private static final String MISSING_POINT_EXTENDED_ENCODING = "__";
private ChartsExtendedEncoder() { }
public static String getEncodedValue(int scaled) {
int index1 = scaled / CHARTSERVER_EXTENDED_SINGLE_CHARACTER_VALUES;
if (index1 < 0 || index1 >= CHARTSERVER_EXTENDED_SINGLE_CHARACTER_VALUES) {
return MISSING_POINT_EXTENDED_ENCODING;
}
int index2 = scaled % CHARTSERVER_EXTENDED_SINGLE_CHARACTER_VALUES;
if (index2 < 0 || index2 >= CHARTSERVER_EXTENDED_SINGLE_CHARACTER_VALUES) {
return MISSING_POINT_EXTENDED_ENCODING;
}
return String.valueOf(CHARTSERVER_EXTENDED_ENCODING.charAt(index1))
+ String.valueOf(CHARTSERVER_EXTENDED_ENCODING.charAt(index2));
}
public static String getSeparator() {
return CHARTSERVER_EXTENDED_ENCODING_SEPARATOR;
}
}