Merge branch 'tm_openvdb_integration' into lm_tm_hollowing

* Refactor file names in SLA dir

src/libslic3r/SLA/JobController.hpp

@@ -0,0 +1,31 @@
+#ifndef SLA_JOBCONTROLLER_HPP
+#define SLA_JOBCONTROLLER_HPP
+
+#include <functional>
+
+namespace Slic3r { namespace sla {
+
+/// A Control structure for the support calculation. Consists of the status
+/// indicator callback and the stop condition predicate.
+struct JobController
+{
+    using StatusFn = std::function<void(unsigned, const std::string&)>;
+    using StopCond = std::function<bool(void)>;
+    using CancelFn = std::function<void(void)>;
+    
+    // This will signal the status of the calculation to the front-end
+    StatusFn statuscb = [](unsigned, const std::string&){};
+    
+    // Returns true if the calculation should be aborted.
+    StopCond stopcondition = [](){ return false; };
+    
+    // Similar to cancel callback. This should check the stop condition and
+    // if true, throw an appropriate exception. (TriangleMeshSlicer needs this)
+    // consider it a hard abort. stopcondition is permits the algorithm to
+    // terminate itself
+    CancelFn cancelfn = [](){};
+};
+
+}} // namespace Slic3r::sla
+
+#endif // JOBCONTROLLER_HPP