From f7bce264bbbc8fa9e58eedb756103ab19a9e6c7e Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Thu, 21 Mar 2024 18:14:29 +0000
Subject: [PATCH] Don't take too long worrying about very small exposed areas.

(And in particular, don't take forever if the min / 10 results
in step being 0.)

(cherry picked from commit b285545aeeeb53fabee8b25cdd236f9374a930a8)
---
 common/view/view.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common/view/view.cpp b/common/view/view.cpp
index dddc6ae5a7..cecb564658 100644
--- a/common/view/view.cpp
+++ b/common/view/view.cpp
@@ -622,6 +622,9 @@ void VIEW::SetCenter( const VECTOR2D& aCenter, const std::vector<BOX2D>& obscuri
     BOX2I bbox = unobscuredPoly.BBox();
     int   step = std::min( bbox.GetWidth(), bbox.GetHeight() ) / 10;
 
+    if( step < 20 )
+        step = 20;
+
     while( !unobscuredPoly.IsEmpty() )
     {
         unobscuredCenter = unobscuredPoly.BBox().Centre();