Merge branch 'main' into CURA-12096_move_gradual_flow_plugin_back_int…

…o_the_engine_core

include/ExtruderPlan.h

@@ -42,6 +42,7 @@ class ExtruderPlan
     FRIEND_TEST(ExtruderPlanPathsParameterizedTest, BackPressureCompensationFull);
     FRIEND_TEST(ExtruderPlanPathsParameterizedTest, BackPressureCompensationHalf);
     FRIEND_TEST(ExtruderPlanTest, BackPressureCompensationEmptyPlan);
+    friend class FffGcodeWriterTest_SurfaceGetsExtraInfillLinesUnderIt_Test;
 #endif
 public:
     size_t extruder_nr_{ 0 }; //!< The extruder used for this paths in the current plan.

include/FffGcodeWriter.h

@@ -38,6 +38,8 @@ struct MeshPathConfigs;
 class FffGcodeWriter : public NoCopy
 {
     friend class FffProcessor; // Because FffProcessor exposes finalize (TODO)
+    friend class FffGcodeWriterTest_SurfaceGetsExtraInfillLinesUnderIt_Test;
+
 private:
     coord_t max_object_height; //!< The maximal height of all previously sliced meshgroups, used to avoid collision when moving to the next meshgroup to print.
 

include/LayerPlan.h

@@ -53,6 +53,7 @@ class LayerPlan : public NoCopy
     friend class LayerPlanBuffer;
 #ifdef BUILD_TESTS
     friend class AddTravelTest;
+    friend class FffGcodeWriterTest_SurfaceGetsExtraInfillLinesUnderIt_Test;
 #endif
 
 public:

include/settings/EnumSettings.h

@@ -31,6 +31,19 @@ enum class EFillMethod
     PLUGIN, // Place plugin after none to prevent it from being tested in the gtest suite.
 };
 
+
+/*!
+ * Enum for the value of extra_infill_lines_to_support_skins
+ * This enum defines what extra lines should be added to infill to support
+ * skins above.
+ */
+enum class EExtraInfillLinesToSupportSkins
+{
+    WALLS_AND_LINES,
+    WALLS,
+    NONE,
+};
+
 /*!
  * Type of platform adhesion.
  */