From c252bea0407deedad31c67ab7dd5de4890cafd53 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Wed, 25 Jul 2018 23:50:15 +0100
Subject: [PATCH] Fix crash on scaling the ccap window to be very small.

---
 src/wx/closed_captions_dialog.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/wx/closed_captions_dialog.cc b/src/wx/closed_captions_dialog.cc
index 857db66a8..1e13f867a 100644
--- a/src/wx/closed_captions_dialog.cc
+++ b/src/wx/closed_captions_dialog.cc
@@ -23,6 +23,7 @@
 #include <boost/bind.hpp>
 
 using std::list;
+using std::max;
 using std::cout;
 using std::make_pair;
 using boost::shared_ptr;
@@ -57,7 +58,7 @@ ClosedCaptionsDialog::paint ()
 	dc.SetTextForeground (*wxWHITE);
 
 	/* Choose a font which fits vertically */
-	int const line_height = dc.GetSize().GetHeight() / _num_lines;
+	int const line_height = max (8, dc.GetSize().GetHeight() / _num_lines);
 	wxFont font (*wxNORMAL_FONT);
 	font.SetPixelSize (wxSize (0, line_height * 0.8));
 	dc.SetFont (font);
-- 
2.30.2