From 2e3798e8b54fb267a96cf23e1ffd8c855bac4369 Mon Sep 17 00:00:00 2001
From: hrdl <31923882+hrdl-github@users.noreply.github.com>
Date: Thu, 12 Oct 2023 13:50:38 +0200
Subject: [PATCH] Don't allow nan values in toc nodes.

Fix https://github.com/ahrm/sioyek/issues/539#issuecomment-1759302654
---
 pdf_viewer/document.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pdf_viewer/document.cpp b/pdf_viewer/document.cpp
index 6e6182015..2b833a32a 100644
--- a/pdf_viewer/document.cpp
+++ b/pdf_viewer/document.cpp
@@ -493,8 +493,8 @@ void Document::convert_toc_tree(fz_outline* root, std::vector<TocNode*>& output)
 
 		TocNode* current_node = new TocNode;
 		current_node->title = utf8_decode(root->title);
-		current_node->x = root->x;
-		current_node->y = root->y;
+		current_node->x = std::isnan(root->x) ? 0.0 : root->x;
+		current_node->y = std::isnan(root->y) ? 0.0 : root->y;
 		if (root->page.page == -1) {
 			float xp, yp;
 			fz_location loc = fz_resolve_link(context, doc, root->uri, &xp, &yp);