From 7a06e9bbf8db6c7d814af48b994163f8434e1e22 Mon Sep 17 00:00:00 2001
From: Jinny You <jinny@lottiefiles.com>
Date: Wed, 5 Jun 2024 19:54:29 +0900
Subject: [PATCH] lottie: Add exception for lottie doesn't have exported glyph

Added handling logic for missing characters to prevent program hang.
---
 src/loaders/lottie/tvgLottieBuilder.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/loaders/lottie/tvgLottieBuilder.cpp b/src/loaders/lottie/tvgLottieBuilder.cpp
index 401ceb08..9dd8a6fa 100644
--- a/src/loaders/lottie/tvgLottieBuilder.cpp
+++ b/src/loaders/lottie/tvgLottieBuilder.cpp
@@ -1099,6 +1099,7 @@ static void _updateText(LottieLayer* layer, float frameNo)
             cursor.y = ++line * (doc.height / scale);
         }
         //find the glyph
+        bool found = false;
         for (auto g = text->font->chars.begin(); g < text->font->chars.end(); ++g) {
             auto glyph = *g;
             //draw matched glyphs
@@ -1128,9 +1129,13 @@ static void _updateText(LottieLayer* layer, float frameNo)
 
                 //advance the cursor position horizontally
                 cursor.x += glyph->width + spacing + doc.tracking;
+
+                found = true;
                 break;
             }
         }
+
+        if (!found) ++p;
     }
 }