From c3814bc66f49f15cf376341914253b490777d92a Mon Sep 17 00:00:00 2001
From: Labrium <76017200+Labrium@users.noreply.github.com>
Date: Thu, 5 Oct 2023 20:12:14 -0600
Subject: [PATCH] Fix glyph rendering error for empty characters

---
 src/modules/font/freetype/TrueTypeRasterizer.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/modules/font/freetype/TrueTypeRasterizer.cpp b/src/modules/font/freetype/TrueTypeRasterizer.cpp
index 9c8d8dc71..36a721427 100644
--- a/src/modules/font/freetype/TrueTypeRasterizer.cpp
+++ b/src/modules/font/freetype/TrueTypeRasterizer.cpp
@@ -102,7 +102,18 @@ GlyphData *TrueTypeRasterizer::getGlyphData(uint32 glyph) const
 
 	err = FT_Glyph_To_Bitmap(&ftglyph, rendermode, 0, 1);
 	if (err != FT_Err_Ok)
-		throw love::Exception("TrueType Font glyph error: FT_Glyph_To_Bitmap failed (0x%x)", err);
+	{
+		if (rendermode == FT_RENDER_MODE_SDF)
+		{
+			err = FT_Glyph_To_Bitmap(&ftglyph, FT_RENDER_MODE_NORMAL, 0, 1);
+			if (err != FT_Err_Ok)
+				throw love::Exception("TrueType Font glyph error: FT_Glyph_To_Bitmap failed (0x%x)", err);
+		}
+		else
+		{
+			throw love::Exception("TrueType Font glyph error: FT_Glyph_To_Bitmap failed (0x%x)", err);
+		}
+	}
 	FT_BitmapGlyph bitmap_glyph = (FT_BitmapGlyph) ftglyph;
 	FT_Bitmap &bitmap = bitmap_glyph->bitmap;//just to make things easier
 	// Get metrics