Add the full source of BambuStudio

using version 1.0.10

src/slic3r/GUI/Gizmos/GLGizmoFlatten.hpp

@@ -0,0 +1,65 @@
+#ifndef slic3r_GLGizmoFlatten_hpp_
+#define slic3r_GLGizmoFlatten_hpp_
+
+#include "GLGizmoBase.hpp"
+#include "slic3r/GUI/3DScene.hpp"
+
+
+namespace Slic3r {
+
+enum class ModelVolumeType : int;
+
+
+namespace GUI {
+
+
+class GLGizmoFlatten : public GLGizmoBase
+{
+// This gizmo does not use grabbers. The m_hover_id relates to polygon managed by the class itself.
+
+private:
+    mutable Vec3d m_normal;
+
+    struct PlaneData {
+        std::vector<Vec3d> vertices; // should be in fact local in update_planes()
+        GLIndexedVertexArray vbo;
+        Vec3d normal;
+        float area;
+    };
+
+    // This holds information to decide whether recalculation is necessary:
+    std::vector<Transform3d> m_volumes_matrices;
+    std::vector<ModelVolumeType> m_volumes_types;
+    Vec3d m_first_instance_scale;
+    Vec3d m_first_instance_mirror;
+
+    std::vector<PlaneData> m_planes;
+    bool m_planes_valid = false;
+    mutable Vec3d m_starting_center;
+    const ModelObject* m_old_model_object = nullptr;
+    std::vector<const Transform3d*> instances_matrices;
+
+    void update_planes();
+    bool is_plane_update_necessary() const;
+
+public:
+    GLGizmoFlatten(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id);
+
+    void set_flattening_data(const ModelObject* model_object);
+    Vec3d get_flattening_normal() const;
+
+protected:
+    virtual bool on_init() override;
+    virtual std::string on_get_name() const override;
+    virtual bool on_is_activable() const override;
+    virtual void on_start_dragging() override;
+    virtual void on_render() override;
+    virtual void on_render_for_picking() override;
+    virtual void on_set_state() override;
+    virtual CommonGizmosDataID on_get_requirements() const override;
+};
+
+} // namespace GUI
+} // namespace Slic3r
+
+#endif // slic3r_GLGizmoFlatten_hpp_