When mapping color for rendering highlighted (identified) features,

don't allow pixels which were previously non-transparent to become totally transparent. This can result in invisible highlights for very transparent symbols. Fixes #54830
qgis · Oct 9, 2023 · b36e555 · b36e555
1 parent fe1d167
commit b36e555
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/gui/qgshighlight.cpp b/src/gui/qgshighlight.cpp
@@ -393,7 +393,7 @@ void QgsHighlight::paint( QPainter *p )
           if ( alpha > 0 )
           {
             int green = qGreen( line[c] );
-            line[c] = qRgba( penRed, penGreen, penBlue, std::clamp( static_cast< int >( alpha - ( green * k ) ), 0, 255 ) );
+            line[c] = qRgba( penRed, penGreen, penBlue, std::clamp( static_cast< int >( alpha - ( green * k ) ), 30, 255 ) );
           }
         }
       }