Store / retrieve layer height profile from the AMF file.

Reset the layer height profile when changing a print profile to an incompatible one.
Reset button on the layer height bar.
Fixed an update issue on zooming by a scroll wheel.
Fixed an issue when loading an AMF file: Object names are now retained.

1 files changed, 4 insertions, 0 deletions

diff --git a/xs/src/libslic3r/Model.hpp b/xs/src/libslic3r/Model.hpp
index e6e98bc01..5e1e29cd5 100644
--- a/xs/src/libslic3r/Model.hpp
+++ b/xs/src/libslic3r/Model.hpp
@@ -117,6 +117,10 @@ public:
     // Profile of increasing z to a layer height, to be linearly interpolated when calculating the layers.
     // The pairs of <z, layer_height> are packed into a 1D array to simplify handling by the Perl XS.
     std::vector<coordf_t> layer_height_profile;
+    // layer_height_profile is initialized when the layer editing mode is entered.
+    // Only if the user really modified the layer height, layer_height_profile_valid is set
+    // and used subsequently by the PrintObject.
+    bool                  layer_height_profile_valid;
 
     /* This vector accumulates the total translation applied to the object by the
         center_around_origin() method. Callers might want to apply the same translation