SLAPrint steps moved to separate module.

* Lambdas replaced with class methods

src/libslic3r/SLAPrintSteps.hpp

@@ -0,0 +1,68 @@
+#ifndef SLAPRINTSTEPS_HPP
+#define SLAPRINTSTEPS_HPP
+
+#include <libslic3r/SLAPrint.hpp>
+
+#include <libslic3r/SLA/Hollowing.hpp>
+#include <libslic3r/SLA/SupportTree.hpp>
+
+namespace Slic3r {
+
+class SLAPrint::Steps
+{
+private:
+    SLAPrint *m_print = nullptr;
+    
+public:    
+    // where the per object operations start and end
+    static const constexpr unsigned min_objstatus = 0;   
+    static const constexpr unsigned max_objstatus = 50;
+    
+private:
+    const size_t objcount;
+    
+    // shortcut to initial layer height
+    const double  ilhd;
+    const float   ilh;
+    const coord_t ilhs;
+    
+    // the coefficient that multiplies the per object status values which
+    // are set up for <0, 100>. They need to be scaled into the whole process
+    const double objectstep_scale;
+    
+    template<class...Args> void report_status(Args&&...args)
+    {
+        m_print->m_report_status(*m_print, std::forward<Args>(args)...);
+    }
+    
+    double current_status() const { return m_print->m_report_status.status(); }
+    void throw_if_canceled() const { m_print->throw_if_canceled(); }
+    bool canceled() const { return m_print->canceled(); }
+    void initialize_printer_input();
+    
+public:
+    Steps(SLAPrint *print);
+    
+    void hollow_model(SLAPrintObject &po);
+    void slice_model(SLAPrintObject& po);
+    void support_points(SLAPrintObject& po);
+    void support_tree(SLAPrintObject& po);
+    void generate_pad(SLAPrintObject& po);
+    void slice_supports(SLAPrintObject& po);
+    
+    void merge_slices_and_eval_stats();
+    void rasterize();
+    
+    void execute(SLAPrintObjectStep step, SLAPrintObject &obj);
+    void execute(SLAPrintStep step);
+    
+    static std::string label(SLAPrintObjectStep step);
+    static std::string label(SLAPrintStep step);
+    
+    double progressrange(SLAPrintObjectStep step) const;
+    double progressrange(SLAPrintStep step) const;
+};
+
+}
+
+#endif // SLAPRINTSTEPS_HPP