fix(QgsMapBoxGlStyleConverter): also handle visibility when it is defined in "layout" (#59974)

Co-authored-by: bdm-oslandia <benoit.de.mezzo@oslandia.com>

Author: qgis-bot

src/core/vectortile/qgsmapboxglstyleconverter.cpp

@@ -149,7 +149,18 @@ void QgsMapBoxGlStyleConverter::parseLayers( const QVariantList &layers, QgsMapB
     if ( maxZoom != -1 )
       maxZoom--;
 
-    const bool enabled = jsonLayer.value( QStringLiteral( "visibility" ) ).toString() != QLatin1String( "none" );
+    QString visibilyStr;
+    if ( jsonLayer.contains( QStringLiteral( "visibility" ) ) )
+    {
+      visibilyStr = jsonLayer.value( QStringLiteral( "visibility" ) ).toString();
+    }
+    else if ( jsonLayer.contains( QStringLiteral( "layout" ) ) && jsonLayer.value( QStringLiteral( "layout" ) ).userType() == QMetaType::Type::QVariantMap )
+    {
+      const QVariantMap jsonLayout = jsonLayer.value( QStringLiteral( "layout" ) ).toMap();
+      visibilyStr = jsonLayout.value( QStringLiteral( "visibility" ) ).toString();
+    }
+
+    const bool enabled = visibilyStr != QLatin1String( "none" );
 
     QString filterExpression;
     if ( jsonLayer.contains( QStringLiteral( "filter" ) ) )

tests/src/python/test_qgsmapboxglconverter.py

@@ -2203,6 +2203,88 @@ def testLabelRotation(self):
             '"direction"',
         )
 
+    def test_parse_visibility(self):
+        context = QgsMapBoxGlStyleConversionContext()
+        style = {
+            "sources": {"Basemaps": {"type": "vector", "url": "https://xxxxxx"}},
+            "layers": [
+                {
+                    "id": "at-layout-level-true",
+                    "source": "streets",
+                    "source-layer": "water",
+                    "type": "fill",
+                    "paint": {"fill-color": "#00ffff"},
+                    "layout": {
+                        "visibility": "visible",
+                        "text-field": "{substance}",
+                    },
+                },
+                {
+                    "id": "at-layout-level-other",
+                    "source": "streets",
+                    "source-layer": "water",
+                    "type": "fill",
+                    "paint": {"fill-color": "#00ffff"},
+                    "layout": {
+                        "visibility": "anOtherText",
+                        "text-field": "{substance}",
+                    },
+                },
+                {
+                    "id": "at-layout-level-false",
+                    "source": "streets",
+                    "source-layer": "water",
+                    "type": "fill",
+                    "paint": {"fill-color": "#00ffff"},
+                    "layout": {
+                        "visibility": "none",
+                        "text-field": "{substance}",
+                    },
+                },
+                {
+                    "id": "at-root-level-true",
+                    "source": "streets",
+                    "source-layer": "water",
+                    "type": "fill",
+                    "paint": {"fill-color": "#00ffff"},
+                    "visibility": "visible",
+                },
+                {
+                    "id": "at-root-level-other",
+                    "source": "streets",
+                    "source-layer": "water",
+                    "type": "fill",
+                    "paint": {"fill-color": "#00ffff"},
+                    "visibility": "anOtherText",
+                },
+                {
+                    "id": "at-root-level-false",
+                    "source": "streets",
+                    "source-layer": "water",
+                    "type": "fill",
+                    "paint": {"fill-color": "#00ffff"},
+                    "visibility": "none",
+                },
+            ],
+        }
+
+        converter = QgsMapBoxGlStyleConverter()
+        converter.convert(style, context)
+
+        renderer = converter.renderer()
+        style = renderer.style(0)
+        self.assertEqual(style.isEnabled(), True)
+        style = renderer.style(1)
+        self.assertEqual(style.isEnabled(), True)
+        style = renderer.style(2)
+        self.assertEqual(style.isEnabled(), False)
+        style = renderer.style(3)
+        self.assertEqual(style.isEnabled(), True)
+        style = renderer.style(4)
+        self.assertEqual(style.isEnabled(), True)
+        style = renderer.style(5)
+        self.assertEqual(style.isEnabled(), False)
+
     def test_parse_zoom_levels(self):
         context = QgsMapBoxGlStyleConversionContext()
         style = {