From b14999a428f52c54d7d1e584460a37889bb7a285 Mon Sep 17 00:00:00 2001
From: rettinghaus <klaus.rettinghaus@gmail.com>
Date: Tue, 18 Feb 2025 14:45:49 +0100
Subject: [PATCH] add special function

---
 .../musicxml/export/exportmusicxml.cpp        | 41 +++++++++++--------
 1 file changed, 24 insertions(+), 17 deletions(-)

diff --git a/src/importexport/musicxml/internal/musicxml/export/exportmusicxml.cpp b/src/importexport/musicxml/internal/musicxml/export/exportmusicxml.cpp
index f08ecf6d5ba9f..173f4c5c67243 100644
--- a/src/importexport/musicxml/internal/musicxml/export/exportmusicxml.cpp
+++ b/src/importexport/musicxml/internal/musicxml/export/exportmusicxml.cpp
@@ -796,26 +796,30 @@ static String slurTieLineStyle(const SlurTie* s)
         rest += String(u" placement=\"%1\"").arg(s->up() ? u"above" : u"below");
     }
     rest += color2xml(s);
+    return rest;
+}
 
-    if (ExportMusicXml::configuration()->exportLayout()) {
-        const SlurSegment* front = toSlurSegment(s->frontSegment());
-        const SlurSegment* back = toSlurSegment(s->backSegment());
-        const int spatium = s->spatium();
-        if (front) {
-            const PointF start = front->ups(Grip::START).pos();
-            const PointF bezier = front->ups(Grip::BEZIER1).pos();
-            rest += String(u" bezier-x=\"%1\"").arg(10 * (bezier.x() - start.x()) / spatium);
-            rest += String(u" bezier-y=\"%1\"").arg(-10 * bezier.y() / spatium);
-        }
-        if (back) {
-            const PointF end = back->ups(Grip::END).pos();
-            const PointF bezier = back->ups(Grip::BEZIER2).pos();
-            rest += String(u" bezier-x=\"%1\"").arg(10 * (bezier.x() - end.x()) / spatium);
-            rest += String(u" bezier-y=\"%1\"").arg(-10 * bezier.y() / spatium);
-        }
+static String slurBezier(const Slur* s, const bool start);
+{
+    if (!ExportMusicXml::configuration()->exportLayout()) {
+        return;
     }
 
-    return rest;
+    String rest;
+    const int spatium = s->spatium();
+    if (start) {
+        const SlurSegment* front = s->frontSegment();
+        const PointF start = front->ups(Grip::START).pos();
+        const PointF bezier = front->ups(Grip::BEZIER1).pos();
+        rest += String(u" bezier-x=\"%1\"").arg(10 * (bezier.x() - start.x()) / spatium);
+        rest += String(u" bezier-y=\"%1\"").arg(-10 * bezier.y() / spatium);
+    } else {
+        const SlurSegment* back = s->backSegment();
+        const PointF end = back->ups(Grip::END).pos();
+        const PointF bezier = back->ups(Grip::BEZIER2).pos();
+        rest += String(u" bezier-x=\"%1\"").arg(10 * (bezier.x() - end.x()) / spatium);
+        rest += String(u" bezier-y=\"%1\"").arg(-10 * bezier.y() / spatium);
+    }
 }
 
 //---------------------------------------------------------
@@ -938,6 +942,7 @@ void SlurHandler::doSlurStart(const Slur* s, Notations& notations, XmlWriter& xm
     String tagName = u"slur";
     tagName += u" type=\"start\"";
     tagName += slurTieLineStyle(s);
+    tagName += slurBezier(s, true);
 
     if (i >= 0) {
         // remove from list and print start
@@ -983,6 +988,7 @@ void SlurHandler::doSlurStop(const Slur* s, Notations& notations, XmlWriter& xml
             m_started[i] = false;
             notations.tag(xml, s);
             String tagName = String(u"slur type=\"stop\" number=\"%1\"").arg(i + 1);
+            tagName += slurBezier(s, false);
             xml.tagRaw(tagName);
         } else {
             LOGD("no free slur slot");
@@ -993,6 +999,7 @@ void SlurHandler::doSlurStop(const Slur* s, Notations& notations, XmlWriter& xml
         m_started[i] = false;
         notations.tag(xml, s);
         String tagName = String(u"slur type=\"stop\" number=\"%1\"").arg(i + 1);
+        tagName += slurBezier(s, false);
         xml.tagRaw(tagName);
     }
 }