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Tag transform improvements (#678)

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This commit is contained in:
Gustl22
2019-02-27 21:34:35 +01:00
committed by Emux
parent 4162d9b488
commit 207993a6e2
11 changed files with 129 additions and 56 deletions
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6
vtm/src/org/oscim/core/MapElement.java
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@@ -1,7 +1,7 @@
/*
* Copyright 2012 Hannes Janetzek
* Copyright 2016 Andrey Novikov
* Copyright 2017-2018 Gustl22
* Copyright 2017-2019 Gustl22
* Copyright 2018 devemux86
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
@@ -66,7 +66,7 @@ public class MapElement extends GeometryBuffer {
* @return height in meters, if present
*/
public Float getHeight(IRenderTheme theme) {
String res = theme != null ? theme.transformKey(Tag.KEY_HEIGHT) : Tag.KEY_HEIGHT;
String res = theme != null ? theme.transformBackwardKey(Tag.KEY_HEIGHT) : Tag.KEY_HEIGHT;
String v = tags.getValue(res != null ? res : Tag.KEY_HEIGHT);
if (v != null)
return Float.parseFloat(v);
@@ -77,7 +77,7 @@ public class MapElement extends GeometryBuffer {
* @return minimum height in meters, if present
*/
public Float getMinHeight(IRenderTheme theme) {
String res = theme != null ? theme.transformKey(Tag.KEY_MIN_HEIGHT) : Tag.KEY_MIN_HEIGHT;
String res = theme != null ? theme.transformBackwardKey(Tag.KEY_MIN_HEIGHT) : Tag.KEY_MIN_HEIGHT;
String v = tags.getValue(res != null ? res : Tag.KEY_MIN_HEIGHT);
if (v != null)
return Float.parseFloat(v);

2
vtm/src/org/oscim/layers/tile/buildings/BuildingLayer.java
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@@ -273,7 +273,7 @@ public class BuildingLayer extends Layer implements TileLoaderThemeHook, ZoomLim
protected String getKeyOrDefault(String key) {
if (mTileLayer.getTheme() == null)
return key;
String res = mTileLayer.getTheme().transformKey(key);
String res = mTileLayer.getTheme().transformBackwardKey(key);
return res != null ? res : key;
}

31
vtm/src/org/oscim/theme/IRenderTheme.java
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@@ -2,7 +2,7 @@
* Copyright 2010, 2011, 2012 mapsforge.org
* Copyright 2013 Hannes Janetzek
* Copyright 2017 devemux86
* Copyright 2018 Gustl22
* Copyright 2018-2019 Gustl22
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
@@ -66,14 +66,35 @@ public interface IRenderTheme {
void scaleTextSize(float scaleFactor);
/**
* @return the transformed tag key of this RenderTheme.
* Transform internal key to tile source key.
* e.g. for lazy fetched tag values via tile source key.
* Use when tile source and internal keys have 1-1 relation.
*
* @return the backwards transformed tag key.
*/
String transformKey(String key);
String transformBackwardKey(String key);
/**
* @return the transformed tag of this RenderTheme.
* Transform tile source key to internal key.
*
* @return the forward transformed tag key.
*/
Tag transformTag(Tag tag);
String transformForwardKey(String key);
/**
* Transform internal tag to tile source tag.
* Use when tile source and internal tags have 1-1 relation.
*
* @return the backwards transformed tag.
*/
Tag transformBackwardTag(Tag tag);
/**
* Transform tile source tag to internal tag.
*
* @return the forward transformed tag.
*/
Tag transformForwardTag(Tag tag);
class ThemeException extends IllegalArgumentException {
public ThemeException(String string) {

39
vtm/src/org/oscim/theme/RenderTheme.java
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@@ -2,7 +2,7 @@
* Copyright 2014 Hannes Janetzek
* Copyright 2017 Longri
* Copyright 2017 devemux86
* Copyright 2018 Gustl22
* Copyright 2018-2019 Gustl22
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
@@ -26,6 +26,7 @@ import org.oscim.theme.rule.Rule;
import org.oscim.theme.rule.Rule.Element;
import org.oscim.theme.rule.Rule.RuleVisitor;
import org.oscim.theme.styles.RenderStyle;
import org.oscim.utils.ArrayUtils;
import org.oscim.utils.LRUCache;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -47,8 +48,8 @@ public class RenderTheme implements IRenderTheme {
private final Rule[] mRules;
private final boolean mMapsforgeTheme;
private final Map<String, String> mTransformKeyMap;
private final Map<Tag, Tag> mTransformTagMap;
private final Map<String, String> mTransformBackwardKeyMap, mTransformForwardKeyMap;
private final Map<Tag, Tag> mTransformBackwardTagMap, mTransformForwardTagMap;
class RenderStyleCache {
final int matchType;
@@ -105,8 +106,10 @@ public class RenderTheme implements IRenderTheme {
mRules = rules;
mMapsforgeTheme = mapsforgeTheme;
mTransformKeyMap = transformKeyMap;
mTransformTagMap = transformTagMap;
mTransformForwardKeyMap = transformKeyMap;
mTransformBackwardKeyMap = ArrayUtils.swap(transformKeyMap);
mTransformForwardTagMap = transformTagMap;
mTransformBackwardTagMap = ArrayUtils.swap(transformTagMap);
mStyleCache = new RenderStyleCache[3];
mStyleCache[0] = new RenderStyleCache(Element.NODE);
@@ -292,16 +295,30 @@ public class RenderTheme implements IRenderTheme {
}
@Override
public String transformKey(String key) {
if (mTransformKeyMap != null)
return mTransformKeyMap.get(key);
public String transformBackwardKey(String key) {
if (mTransformBackwardKeyMap != null)
return mTransformBackwardKeyMap.get(key);
return null;
}
@Override
public Tag transformTag(Tag tag) {
if (mTransformTagMap != null)
return mTransformTagMap.get(tag);
public String transformForwardKey(String key) {
if (mTransformForwardKeyMap != null)
return mTransformForwardKeyMap.get(key);
return null;
}
@Override
public Tag transformBackwardTag(Tag tag) {
if (mTransformBackwardTagMap != null)
return mTransformBackwardTagMap.get(tag);
return null;
}
@Override
public Tag transformForwardTag(Tag tag) {
if (mTransformForwardTagMap != null)
return mTransformForwardTagMap.get(tag);
return null;
}

30
vtm/src/org/oscim/theme/XmlThemeBuilder.java
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@@ -4,7 +4,7 @@
* Copyright 2016-2019 devemux86
* Copyright 2016-2017 Longri
* Copyright 2016 Andrey Novikov
* Copyright 2018 Gustl22
* Copyright 2018-2019 Gustl22
* Copyright 2018 Izumi Kawashima
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
@@ -1268,40 +1268,40 @@ public class XmlThemeBuilder extends DefaultHandler {
}
private void tagTransform(String localName, Attributes attributes) {
String matchKey, matchValue, outputKey, outputValue;
matchKey = matchValue = outputKey = outputValue = null;
String k, v, libK, libV;
k = v = libK = libV = null;
for (int i = 0; i < attributes.getLength(); i++) {
String name = attributes.getLocalName(i);
String value = attributes.getValue(i);
switch (name) {
case "match-k":
matchKey = value;
case "k":
k = value;
break;
case "match-v":
matchValue = value;
case "v":
v = value;
break;
case "output-k":
outputKey = value;
case "k-lib":
libK = value;
break;
case "output-v":
outputValue = value;
case "v-lib":
libV = value;
break;
default:
logUnknownAttribute(localName, name, value, i);
}
}
if (matchKey == null || matchKey.isEmpty() || outputKey == null || outputKey.isEmpty()) {
if (k == null || k.isEmpty() || libK == null || libK.isEmpty()) {
log.debug("empty key in element " + localName);
return;
}
if (matchValue == null && outputValue == null) {
mTransformKeyMap.put(matchKey, outputKey);
if (v == null && libV == null) {
mTransformKeyMap.put(k, libK);
} else {
mTransformTagMap.put(new Tag(matchKey, matchValue), new Tag(outputKey, outputValue));
mTransformTagMap.put(new Tag(k, v), new Tag(libK, libV));
}
}

15
vtm/src/org/oscim/utils/ArrayUtils.java
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@@ -17,6 +17,9 @@
*/
package org.oscim.utils;
import java.util.HashMap;
import java.util.Map;
public class ArrayUtils {
public static <T> void reverse(T[] data) {
@@ -189,6 +192,18 @@ public class ArrayUtils {
return neg ? -val : val;
}
/**
* @return the Map with swapped keys and values
*/
public static <K, V> Map<V, K> swap(Map<K, V> map) {
if (map == null)
return null;
Map<V, K> swap = new HashMap<>();
for (Map.Entry<K, V> entry : map.entrySet())
swap.put(entry.getValue(), entry.getKey());
return swap;
}
public static boolean withinRange(float[] vec, float min, float max) {
for (int i = 0, n = vec.length; i < n; i++) {
float v = vec[i];