Fix #1812

Result of "fillheight = gFont.maxAscent - gdY[gNum];" can be negative.

Fix #1812
Result of "fillheight = gFont.maxAscent - gdY[gNum];" can be negative.
1f7ce88d · Bodmer · GitHub · 24b0e888 · 1f7ce88d
Unverified Commit 1f7ce88d authored May 03, 2022 by Bodmer Committed by GitHub May 03, 2022
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Extensions/Smooth_font.cpp Extensions/Smooth_font.cpp +1 -1

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--- 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) {