From 1ba83801e994d78682b2ceeb31ca4f8d617392e6 Mon Sep 17 00:00:00 2001
From: Emux <devemux86@gmail.com>
Date: Sun, 28 Jan 2018 11:33:37 +0200
Subject: [PATCH] Polygon symbols default disabled, fix #405

---
 docs/Changelog.md                                        | 1 +
 .../layers/tile/vector/labeling/LabelTileLoaderHook.java | 6 +++++-
 vtm/src/org/oscim/utils/Parameters.java                  | 9 +++++++--
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/docs/Changelog.md b/docs/Changelog.md
index 5437313a2..bd9626a15 100644
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -9,6 +9,7 @@
 - Internal render themes improvements [#488](https://github.com/mapsforge/vtm/pull/488)
 - Map view roll [#474](https://github.com/mapsforge/vtm/pull/474)
 - Fling animation improvements [#489](https://github.com/mapsforge/vtm/pull/489)
+- Polygon symbols default disabled [#405](https://github.com/mapsforge/vtm/issues/405)
 - Map fractional zoom [#487](https://github.com/mapsforge/vtm/issues/487)
 - Render theme fallback internal resources [#477](https://github.com/mapsforge/vtm/issues/477)
 - Fix FadeStep alpha interpolation [#486](https://github.com/mapsforge/vtm/issues/486)
diff --git a/vtm/src/org/oscim/layers/tile/vector/labeling/LabelTileLoaderHook.java b/vtm/src/org/oscim/layers/tile/vector/labeling/LabelTileLoaderHook.java
index 1a2d1a125..bbab31db3 100644
--- a/vtm/src/org/oscim/layers/tile/vector/labeling/LabelTileLoaderHook.java
+++ b/vtm/src/org/oscim/layers/tile/vector/labeling/LabelTileLoaderHook.java
@@ -1,6 +1,6 @@
 /*
  * Copyright 2013 Hannes Janetzek
- * Copyright 2016-2017 devemux86
+ * Copyright 2016-2018 devemux86
  * Copyright 2016 Andrey Novikov
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
@@ -126,6 +126,10 @@ public boolean process(MapTile tile, RenderBuckets buckets, MapElement element,
                 // TODO
             } else if (element.type == POLY) {
                 PointF centroid = element.labelPosition;
+                if (!Parameters.POLY_SYMBOL) {
+                    if (centroid == null)
+                        return false;
+                }
                 // skip unnecessary calculations if centroid is outside of visible area
                 if (centroid != null && (centroid.x < 0 || centroid.x > Tile.SIZE || centroid.y < 0 || centroid.y > Tile.SIZE))
                     return false;
diff --git a/vtm/src/org/oscim/utils/Parameters.java b/vtm/src/org/oscim/utils/Parameters.java
index f085f70ab..486c64bb5 100644
--- a/vtm/src/org/oscim/utils/Parameters.java
+++ b/vtm/src/org/oscim/utils/Parameters.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 devemux86
+ * Copyright 2017-2018 devemux86
  *
  * 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
@@ -32,10 +32,15 @@ public final class Parameters {
     public static int MAXIMUM_BUFFER_SIZE = 8000000;
 
     /**
-     * Optimal placement of text labels on polygons.
+     * Optimal placement of labels or symbols on polygons.
      */
     public static boolean POLY_LABEL = false;
 
+    /**
+     * Placement of symbols on polygons.
+     */
+    public static boolean POLY_SYMBOL = false;
+
     /**
      * POT textures in themes.
      */