From fec0568b29e326a269f15cd12c90b6e43c69c39b Mon Sep 17 00:00:00 2001
From: Aaron van Geffen <aaron@aaronweb.net>
Date: Thu, 5 Oct 2017 13:22:42 +0200
Subject: [PATCH] Shade black backgrounds differently (e.g. IME)

---
 src/openrct2/drawing/string.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/openrct2/drawing/string.c b/src/openrct2/drawing/string.c
index a66f2dc4f8..028a0dd081 100644
--- a/src/openrct2/drawing/string.c
+++ b/src/openrct2/drawing/string.c
@@ -805,6 +805,11 @@ static void ttf_draw_string_raw_ttf(rct_drawpixelinfo *dpi, const utf8 *text, te
                             // Centre of the glyph: use full colour.
                             *dst = colour;
                         }
+                        else if (*dst < 10 && *src > 50)
+                        {
+                            // For black backgrounds, hint using grey pixels.
+                            *dst = 13;
+                        }
                         else if (*src > 70)
                         {
                             // Simulate font hinting by shading the background colour instead.