ThemeCallback.getText method

docs/Changelog.md

@@ -2,6 +2,7 @@
 
 ## Next version
 
+- `ThemeCallback.getText` method [#1225](https://github.com/mapsforge/vtm/pull/1225)
 - Motorider map theme improvements [#1183](https://github.com/mapsforge/vtm/issues/1183)
 - Biker map theme improvements [#1192](https://github.com/mapsforge/vtm/issues/1192)
 - Minor improvements and bug fixes

vtm/src/org/oscim/layers/tile/vector/labeling/LabelTileLoaderHook.java

@@ -60,6 +60,8 @@ public boolean process(MapTile tile, RenderBuckets buckets, MapElement element,
             String value = element.tags.getValue(text.textKey);
             if (value == null || value.length() == 0)
                 return false;
+            if (style.themeCallback != null)
+                value = style.themeCallback.getText(element, value);
 
             LabelTileData ld = get(tile);
             if (element.type == LINE) {

vtm/src/org/oscim/theme/ThemeCallback.java

@@ -15,6 +15,7 @@
 package org.oscim.theme;
 
 import org.oscim.backend.canvas.Bitmap;
+import org.oscim.core.MapElement;
 import org.oscim.theme.styles.RenderStyle;
 
 /**
@@ -30,4 +31,9 @@ public interface ThemeCallback {
      * @return the color-int
      */
     int getColor(RenderStyle origin, int color);
+
+    /**
+     * @return the text
+     */
+    String getText(MapElement element, String text);
 }

vtm/src/org/oscim/theme/styles/RenderStyle.java

@@ -149,6 +149,8 @@ public interface Callback {
     RenderStyle mNext;
     boolean update;
 
+    public ThemeCallback themeCallback;
+
     public T setCat(String cat) {
         this.cat = cat;
         return self();

vtm/src/org/oscim/theme/styles/TextStyle.java

@@ -268,6 +268,8 @@ public TextBuilder<?> set(TextStyle text) {
             bgFill.setColor(b.themeCallback != null ? b.themeCallback.getColor(this, b.bgFillColor) : b.bgFillColor);
         } else
             bgFill = null;
+
+        themeCallback = b.themeCallback;
     }
 
     public final String style;