From 21325a2b4da0afe107d3c4af4e4c295cd26726f4 Mon Sep 17 00:00:00 2001
From: "Juergen E. Fischer" <jef@norbit.de>
Date: Thu, 18 Aug 2016 18:17:37 +0200
Subject: [PATCH] dxf export: avoid symbology scale 0 (fixes #14138)

(cherry picked from commit 0a07fee15297e18a73b63f194f5aeecffd76800c)
---
 src/app/qgsdxfexportdialog.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/app/qgsdxfexportdialog.cpp b/src/app/qgsdxfexportdialog.cpp
index b425a94df3c8..28f4fa7ccd8b 100644
--- a/src/app/qgsdxfexportdialog.cpp
+++ b/src/app/qgsdxfexportdialog.cpp
@@ -526,11 +526,13 @@ QList< QPair<QgsVectorLayer *, int> > QgsDxfExportDialog::layers() const
 
 double QgsDxfExportDialog::symbologyScale() const
 {
-  double scale = 1 / mScaleWidget->scale();
+  if ( qgsDoubleNear( mScaleWidget->scale(), 0.0 ) )
+    return 1.0;
+
+  double scale = 1.0 / mScaleWidget->scale();
   if ( qgsDoubleNear( scale, 0.0 ) )
-  {
     return 1.0;
-  }
+
   return scale;
 }