From 74d47d8173f55f75d0534e5a02c74695f8e5d74b Mon Sep 17 00:00:00 2001
From: Jon Evans <jon@craftyjon.com>
Date: Mon, 15 Jan 2018 23:05:16 -0500
Subject: [PATCH] Ensure DrawRectangle() stroke outline will always be visible

Fixes: lp:1743242
* https://bugs.launchpad.net/kicad/+bug/1743242
---
 common/gal/opengl/opengl_gal.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common/gal/opengl/opengl_gal.cpp b/common/gal/opengl/opengl_gal.cpp
index 608c117144..9b46544466 100644
--- a/common/gal/opengl/opengl_gal.cpp
+++ b/common/gal/opengl/opengl_gal.cpp
@@ -688,6 +688,9 @@ void OPENGL_GAL::DrawRectangle( const VECTOR2D& aStartPoint, const VECTOR2D& aEn
     // Stroke the outline
     if( isStrokeEnabled )
     {
+        // Ensure stroke will be visible at current zoom
+        lineWidth = std::max( lineWidth, ( 1.01 / worldScale ) );
+
         currentManager->Color( strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a );
 
         std::deque<VECTOR2D> pointList;