From 40da72668bb3c3af7df4ec91885c68d528c69f13 Mon Sep 17 00:00:00 2001
From: Yinan Zhou <yinan.a.zhou@gmail.com>
Date: Wed, 8 Jan 2025 10:54:31 -0500
Subject: [PATCH] fix: check if staff rotates in `SyncFromFacsimileFunctor` for
 Neon

refs: https://github.com/DDMAL/Neon/issues/1256
---
 src/facsimilefunctor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/facsimilefunctor.cpp b/src/facsimilefunctor.cpp
index d19f84bb92..0803cb2830 100644
--- a/src/facsimilefunctor.cpp
+++ b/src/facsimilefunctor.cpp
@@ -184,7 +184,7 @@ FunctorCode SyncFromFacsimileFunctor::VisitStaff(Staff *staff)
         m_staffZones[staff] = zone;
 
         // The staff slope is going up. The y left position needs to be adjusted accordingly
-        if (zone->GetRotate() < 0) {
+        if (zone->HasRotate() && zone->GetRotate() < 0) {
             staff->m_drawingFacsY = staff->m_drawingFacsY
                 + (m_currentNeumeLine->m_drawingFacsX2 - m_currentNeumeLine->m_drawingFacsX1)
                     * tan(zone->GetRotate() * M_PI / 180.0);