xiaoyan159/vtm
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Render themes: Android scoped storage, zip render theme, custom resource providers (#804)

Browse Source
This commit is contained in:
Emux
2021-01-21 15:01:19 +02:00
committed by GitHub
parent b9cbd97c40
commit 3bb8ce00c5
26 changed files with 778 additions and 119 deletions
Download Patch File Download Diff File Expand all files Collapse all files

183
vtm-android-example/src/org/oscim/android/test/MapsforgeActivity.java
View File

@@ -1,8 +1,9 @@
/*
* Copyright 2014 Hannes Janetzek
* Copyright 2016-2020 devemux86
* Copyright 2016-2021 devemux86
* Copyright 2017 Longri
* Copyright 2018 Gustl22
* Copyright 2021 eddiemuc
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
@@ -20,13 +21,17 @@
package org.oscim.android.test;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.provider.DocumentsContract;
import android.view.Menu;
import android.view.MenuItem;
import org.oscim.android.theme.ContentRenderTheme;
import org.oscim.android.theme.ContentResolverResourceProvider;
import org.oscim.backend.CanvasAdapter;
import org.oscim.core.MapElement;
import org.oscim.core.MapPosition;
@@ -42,9 +47,7 @@ import org.oscim.renderer.BitmapRenderer;
import org.oscim.renderer.GLViewport;
import org.oscim.renderer.bucket.RenderBuckets;
import org.oscim.scalebar.*;
import org.oscim.theme.IRenderTheme;
import org.oscim.theme.ThemeFile;
import org.oscim.theme.VtmThemes;
import org.oscim.theme.*;
import org.oscim.theme.styles.AreaStyle;
import org.oscim.theme.styles.RenderStyle;
import org.oscim.tiling.source.mapfile.MapFileTileSource;
@@ -52,15 +55,20 @@ import org.oscim.tiling.source.mapfile.MapInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.List;
import java.util.zip.ZipInputStream;
public class MapsforgeActivity extends MapActivity {
private static final Logger log = LoggerFactory.getLogger(MapsforgeActivity.class);
static final int SELECT_MAP_FILE = 0;
static final int SELECT_THEME_FILE = 1;
private static final int SELECT_THEME_ARCHIVE = 1;
private static final int SELECT_THEME_DIR = 2;
static final int SELECT_THEME_FILE = 3;
private static final Tag ISSEA_TAG = new Tag("natural", "issea");
private static final Tag NOSEA_TAG = new Tag("natural", "nosea");
@@ -71,6 +79,7 @@ public class MapsforgeActivity extends MapActivity {
private final boolean mS3db;
IRenderTheme mTheme;
VectorTileLayer mTileLayer;
private Uri mThemeDirUri;
public MapsforgeActivity() {
this(false);
@@ -142,11 +151,19 @@ public class MapsforgeActivity extends MapActivity {
item.setChecked(true);
return true;
case R.id.theme_external:
case R.id.theme_external_archive:
Intent intent = new Intent(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT ? Intent.ACTION_OPEN_DOCUMENT : Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("*/*");
startActivityForResult(intent, SELECT_THEME_FILE);
startActivityForResult(intent, SELECT_THEME_ARCHIVE);
return true;
case R.id.theme_external:
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP)
return false;
intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
startActivityForResult(intent, SELECT_THEME_DIR);
return true;
case R.id.gridlayer:
@@ -176,75 +193,100 @@ public class MapsforgeActivity extends MapActivity {
return;
}
MapFileTileSource tileSource = new MapFileTileSource();
//tileSource.setPreferredLanguage("en");
try {
Uri uri = data.getData();
MapFileTileSource tileSource = new MapFileTileSource();
//tileSource.setPreferredLanguage("en");
FileInputStream fis = (FileInputStream) getContentResolver().openInputStream(uri);
tileSource.setMapFileInputStream(fis);
mTileLayer = mMap.setBaseMap(tileSource);
loadTheme(null);
if (mS3db)
mMap.layers().add(new S3DBLayer(mMap, mTileLayer));
else
mMap.layers().add(new BuildingLayer(mMap, mTileLayer));
mMap.layers().add(new LabelLayer(mMap, mTileLayer));
DefaultMapScaleBar mapScaleBar = new DefaultMapScaleBar(mMap);
mapScaleBar.setScaleBarMode(DefaultMapScaleBar.ScaleBarMode.BOTH);
mapScaleBar.setDistanceUnitAdapter(MetricUnitAdapter.INSTANCE);
mapScaleBar.setSecondaryDistanceUnitAdapter(ImperialUnitAdapter.INSTANCE);
mapScaleBar.setScaleBarPosition(MapScaleBar.ScaleBarPosition.BOTTOM_LEFT);
MapScaleBarLayer mapScaleBarLayer = new MapScaleBarLayer(mMap, mapScaleBar);
BitmapRenderer renderer = mapScaleBarLayer.getRenderer();
renderer.setPosition(GLViewport.Position.BOTTOM_LEFT);
renderer.setOffset(5 * CanvasAdapter.getScale(), 0);
mMap.layers().add(mapScaleBarLayer);
MapInfo info = tileSource.getMapInfo();
if (!info.boundingBox.contains(mMap.getMapPosition().getGeoPoint())) {
MapPosition pos = new MapPosition();
pos.setByBoundingBox(info.boundingBox, Tile.SIZE * 4, Tile.SIZE * 4);
mMap.setMapPosition(pos);
mPrefs.clear();
}
} catch (Exception e) {
log.error(e.getMessage());
finish();
}
} else if (requestCode == SELECT_THEME_ARCHIVE) {
if (resultCode != Activity.RESULT_OK || data == null)
return;
try {
Uri uri = data.getData();
FileInputStream fis = (FileInputStream) getContentResolver().openInputStream(uri);
tileSource.setMapFileInputStream(fis);
final ZipXmlThemeResourceProvider resourceProvider = new ZipXmlThemeResourceProvider(new ZipInputStream(new BufferedInputStream(getContentResolver().openInputStream(uri))));
final List<String> xmlThemes = resourceProvider.getXmlThemes();
if (xmlThemes.isEmpty())
return;
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.dialog_theme_title);
builder.setSingleChoiceItems(xmlThemes.toArray(new String[0]), -1, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
ThemeFile theme = new ZipRenderTheme(xmlThemes.get(which), resourceProvider);
if (mTheme != null)
mTheme.dispose();
mTheme = mMap.setTheme(theme);
mapsforgeTheme(mTheme);
mMenu.findItem(R.id.theme_external_archive).setChecked(true);
}
});
builder.show();
} catch (IOException e) {
log.error(e.getMessage());
finish();
e.printStackTrace();
}
} else if (requestCode == SELECT_THEME_DIR) {
if (resultCode != Activity.RESULT_OK || data == null)
return;
}
mTileLayer = mMap.setBaseMap(tileSource);
loadTheme(null);
mThemeDirUri = data.getData();
if (mS3db)
mMap.layers().add(new S3DBLayer(mMap, mTileLayer));
else
mMap.layers().add(new BuildingLayer(mMap, mTileLayer));
mMap.layers().add(new LabelLayer(mMap, mTileLayer));
DefaultMapScaleBar mapScaleBar = new DefaultMapScaleBar(mMap);
mapScaleBar.setScaleBarMode(DefaultMapScaleBar.ScaleBarMode.BOTH);
mapScaleBar.setDistanceUnitAdapter(MetricUnitAdapter.INSTANCE);
mapScaleBar.setSecondaryDistanceUnitAdapter(ImperialUnitAdapter.INSTANCE);
mapScaleBar.setScaleBarPosition(MapScaleBar.ScaleBarPosition.BOTTOM_LEFT);
MapScaleBarLayer mapScaleBarLayer = new MapScaleBarLayer(mMap, mapScaleBar);
BitmapRenderer renderer = mapScaleBarLayer.getRenderer();
renderer.setPosition(GLViewport.Position.BOTTOM_LEFT);
renderer.setOffset(5 * CanvasAdapter.getScale(), 0);
mMap.layers().add(mapScaleBarLayer);
MapInfo info = tileSource.getMapInfo();
if (!info.boundingBox.contains(mMap.getMapPosition().getGeoPoint())) {
MapPosition pos = new MapPosition();
pos.setByBoundingBox(info.boundingBox, Tile.SIZE * 4, Tile.SIZE * 4);
mMap.setMapPosition(pos);
mPrefs.clear();
}
// Now we have the directory for resources, but we need to let the user also select a theme file
Intent intent = new Intent(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT ? Intent.ACTION_OPEN_DOCUMENT : Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("*/*");
intent.putExtra(DocumentsContract.EXTRA_INITIAL_URI, mThemeDirUri);
startActivityForResult(intent, SELECT_THEME_FILE);
} else if (requestCode == SELECT_THEME_FILE) {
if (resultCode != Activity.RESULT_OK || data == null)
return;
Uri uri = data.getData();
ThemeFile theme = new ContentRenderTheme(getContentResolver(), "", uri);
// Use tessellation with sea and land for Mapsforge themes
if (theme.isMapsforgeTheme()) {
mTileLayer.addHook(new VectorTileLayer.TileLoaderThemeHook() {
@Override
public boolean process(MapTile tile, RenderBuckets buckets, MapElement element, RenderStyle style, int level) {
if (element.tags.contains(ISSEA_TAG) || element.tags.contains(SEA_TAG) || element.tags.contains(NOSEA_TAG)) {
if (style instanceof AreaStyle)
((AreaStyle) style).mesh = true;
}
return false;
}
@Override
public void complete(MapTile tile, boolean success) {
}
});
}
ThemeFile theme = new ContentRenderTheme(getContentResolver(), uri);
theme.setResourceProvider(new ContentResolverResourceProvider(getContentResolver(), mThemeDirUri));
if (mTheme != null)
mTheme.dispose();
mTheme = mMap.setTheme(theme);
mapsforgeTheme(mTheme);
mMenu.findItem(R.id.theme_external).setChecked(true);
}
}
@@ -254,4 +296,25 @@ public class MapsforgeActivity extends MapActivity {
mTheme.dispose();
mTheme = mMap.setTheme(VtmThemes.DEFAULT);
}
private void mapsforgeTheme(IRenderTheme theme) {
if (!theme.isMapsforgeTheme())
return;
// Use tessellation with sea and land for Mapsforge themes
mTileLayer.addHook(new VectorTileLayer.TileLoaderThemeHook() {
@Override
public boolean process(MapTile tile, RenderBuckets buckets, MapElement element, RenderStyle style, int level) {
if (element.tags.contains(ISSEA_TAG) || element.tags.contains(SEA_TAG) || element.tags.contains(NOSEA_TAG)) {
if (style instanceof AreaStyle)
((AreaStyle) style).mesh = true;
}
return false;
}
@Override
public void complete(MapTile tile, boolean success) {
}
});
}
}