From 1f7ce88dbe4462e705db25882b248b723bbd8825 Mon Sep 17 00:00:00 2001
From: Bodmer <Bodmer@users.noreply.github.com>
Date: Tue, 3 May 2022 18:23:22 +0100
Subject: [PATCH] Fix #1812

Result of "fillheight = gFont.maxAscent - gdY[gNum];" can be negative.
---
 Extensions/Smooth_font.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Extensions/Smooth_font.cpp b/Extensions/Smooth_font.cpp
index 56e623c..c36581d 100644
--- a/Extensions/Smooth_font.cpp
+++ b/Extensions/Smooth_font.cpp
@@ -431,7 +431,7 @@ void TFT_eSPI::drawGlyph(uint16_t code)
     startWrite(); // Avoid slow ESP32 transaction overhead for every pixel
 
     int16_t fillwidth   = 0;
-    uint16_t fillheight = 0;
+    int16_t fillheight = 0;
 
     // Fill area above glyph
     if (_fillbg) {