From 2446baf7184ea353d71e520e278c56eaa5e5e439 Mon Sep 17 00:00:00 2001
From: onpon4 <onpon4@riseup.net>
Date: Sun, 5 Feb 2017 17:25:17 -0500
Subject: [PATCH] Cause scaling to always be square.

---
 src/gfx.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gfx.cpp b/src/gfx.cpp
index 1e09d5b..f1664f2 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -490,6 +490,7 @@ void gfx_free()
 void gfx_loadBackground(const char *filename)
 {
 	SDL_Surface *new_bg;
+	double scale;
 
 	if (gfx_background != NULL)
 	{
@@ -498,7 +499,8 @@ void gfx_loadBackground(const char *filename)
 	}
 	new_bg = gfx_loadImage(filename);
 	SDL_SetColorKey(new_bg, 0, 0);
-	gfx_background = zoomSurface(new_bg, (double)screen->w / new_bg->w, (double)screen->h / new_bg->h, 0);
+	scale = MAX((double)screen->w / new_bg->w, (double)screen->h / new_bg->h);
+	gfx_background = zoomSurface(new_bg, scale, scale, 0);
 	SDL_FreeSurface(new_bg);
 }