From 5e91383e3fc942ae6c86aeb01d281e59be5ae125 Mon Sep 17 00:00:00 2001
From: Mariusz Glebocki <mglb@arccos-1.net>
Date: Tue, 1 Oct 2019 21:26:38 +0200
Subject: [PATCH] Make sure font weight value is within allowed range

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

diff --git a/src/TerminalDisplay.cpp b/src/TerminalDisplay.cpp
index 727d49c3..5753ae74 100644
--- a/src/TerminalDisplay.cpp
+++ b/src/TerminalDisplay.cpp
@@ -777,10 +777,12 @@ void TerminalDisplay::drawCharacters(QPainter& painter,
         return;
     }
 
+    static constexpr int MaxFontWeight = 99; // https://doc.qt.io/qt-5/qfont.html#Weight-enum
+
     const int normalWeight = font().weight();
     // +26 makes "bold" from "normal", "normal" from "light", etc. It is 26 instead of not 25 to prefer
     // bolder weight when 25 falls in the middle between two weights. See QFont::Weight
-    const int boldWeight = normalWeight + 26;
+    const int boldWeight = qMin(normalWeight + 26, MaxFontWeight);
 
     const auto isBold = [boldWeight](const QFont &font) { return font.weight() >= boldWeight; };