Tile grid layer scaling, closes #238

vtm/src/org/oscim/layers/TileGridLayer.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright 2012 Hannes Janetzek
+ * Copyright 2016 devemux86
+ *
+ * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 package org.oscim.layers;
 
 import org.oscim.backend.canvas.Paint.Cap;
@@ -12,6 +29,10 @@ public class TileGridLayer extends GenericLayer {
         super(map, new GridRenderer());
     }
 
+    public TileGridLayer(Map map, float scale) {
+        super(map, new GridRenderer(scale));
+    }
+
     public TileGridLayer(Map map, int color, float width, int repeat) {
         super(map, new GridRenderer(repeat, new LineStyle(color, width, Cap.BUTT), null));
     }

vtm/src/org/oscim/renderer/GridRenderer.java

@@ -18,6 +18,7 @@
 package org.oscim.renderer;
 
 import org.oscim.backend.canvas.Color;
+import org.oscim.backend.canvas.Paint;
 import org.oscim.backend.canvas.Paint.Cap;
 import org.oscim.core.GeometryBuffer;
 import org.oscim.core.Tile;
@@ -38,9 +39,14 @@ public class GridRenderer extends BucketRenderer {
     private int mCurX, mCurY, mCurZ;
 
     public GridRenderer() {
-        this(1, new LineStyle(Color.LTGRAY, 1.2f, Cap.BUTT),
+        this(1);
+    }
+
+    public GridRenderer(float scale) {
+        this(1, new LineStyle(Color.LTGRAY, 1.2f * scale, Cap.BUTT),
                 TextStyle.builder()
-                        .fontSize(22)
+                        .fontSize(12 * scale)
+                        .fontStyle(Paint.FontStyle.BOLD)
                         .color(Color.RED)
                         .build());
     }