From 934a6e5418f8ea23a8d56dab09634aa3866b5862 Mon Sep 17 00:00:00 2001
From: Mira Grudzinska <mira@lottiefiles.com>
Date: Thu, 10 Apr 2025 10:09:58 +0200
Subject: [PATCH] ttf: prevent crash while converting utf8 to unicode

If wrong utf8 sequence if given as an input, decoding
return nullptr and it has to be handled correctly.
---
 src/loaders/ttf/tvgTtfLoader.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/loaders/ttf/tvgTtfLoader.cpp b/src/loaders/ttf/tvgTtfLoader.cpp
index 01d69a0b..099a8649 100644
--- a/src/loaders/ttf/tvgTtfLoader.cpp
+++ b/src/loaders/ttf/tvgTtfLoader.cpp
@@ -284,6 +284,7 @@ bool TtfLoader::read(Shape* shape, char* text, FontMetrics& out)
 
     auto n = strlen(text);
     auto code = _codepoints(text, n);
+    if (!code) return false;
 
     //TODO: optimize with the texture-atlas?
     TtfGlyphMetrics gmetrics;