From 08ad63c8a2c5d0ba5dd3c748f6c08fc8bcc48fec Mon Sep 17 00:00:00 2001
From: David Faure <david.faure@kdab.com>
Date: Thu, 4 Apr 2024 16:58:39 +0200
Subject: [PATCH] Avoid crash when m_costs is empty

---
 core/paintbuffermodel.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/paintbuffermodel.cpp b/core/paintbuffermodel.cpp
index 035e3d3568..468717eb4f 100644
--- a/core/paintbuffermodel.cpp
+++ b/core/paintbuffermodel.cpp
@@ -135,7 +135,7 @@ PaintBuffer PaintBufferModel::buffer() const
 void PaintBufferModel::setCosts(const QVector<double> &costs)
 {
     m_costs = costs;
-    if (rowCount() > 0) {
+    if (rowCount() > 0 && !m_costs.isEmpty()) {
         m_maxCost = *std::max_element(m_costs.constBegin(), m_costs.constEnd());
         emit dataChanged(index(0, 2, QModelIndex()), index(rowCount() - 1, 2, QModelIndex()));
     }