From 1a3a77de7242aba418baa2d8d03081e07c763132 Mon Sep 17 00:00:00 2001
From: Manuel Fuhr <manuel@knid.net>
Date: Tue, 11 Jan 2022 21:46:13 +0100
Subject: [PATCH] Use initial view as minimal zoom level

---
 .../main/java/btools/routingapp/BInstallerView.java    | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BInstallerView.java b/brouter-routing-app/src/main/java/btools/routingapp/BInstallerView.java
index 8a41b41..ffe75c2 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BInstallerView.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BInstallerView.java
@@ -60,11 +60,13 @@ public class BInstallerView extends View {
   }
 
   private void setRatio(float ratio, float focusX, float focusY) {
-    mat.postScale(ratio, ratio, focusX, focusY);
-    fitBounds();
-    tilesVisible = currentScale() >= SCALE_GRID_VISIBLE;
+    if (currentScale() * ratio >= 1) {
+      mat.postScale(ratio, ratio, focusX, focusY);
+      fitBounds();
+      tilesVisible = currentScale() >= SCALE_GRID_VISIBLE;
 
-    invalidate();
+      invalidate();
+    }
   }
 
   private void setScale(float scale, float focusX, float focusY) {