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			661 lines
		
	
	
	
		
			32 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			661 lines
		
	
	
	
		
			32 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #ifndef slic3r_PrintBase_hpp_
 | |
| #define slic3r_PrintBase_hpp_
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| 
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| #include "libslic3r.h"
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| #include <set>
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| #include <vector>
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| #include <string>
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| #include <functional>
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| #include <atomic>
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| #include <mutex>
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| 
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| #include "ObjectID.hpp"
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| #include "Model.hpp"
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| #include "PlaceholderParser.hpp"
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| #include "PrintConfig.hpp"
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| 
 | |
| namespace Slic3r {
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| 
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| // BBS: error with object
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| struct StringObjectException
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| {
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|     std::string string;
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|     ObjectBase const *object = nullptr;
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|     std::string opt_key;
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| };
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| 
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| class CanceledException : public std::exception
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| {
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| public:
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|    const char* what() const throw() { return "Background processing has been canceled"; }
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| };
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| 
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| class PrintStateBase {
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| public:
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|     enum State {
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|         INVALID,
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|         STARTED,
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|         DONE,
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|     };
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| 
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|     enum class WarningLevel {
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|         NON_CRITICAL,
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|         CRITICAL
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|     };
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| 
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|     enum SlicingNotificationType
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|     {
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|         SlicingDefaultNotification = 0,    //normal status update, called by set_status
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|         SlicingReplaceInitEmptyLayers,
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|         SlicingNeedSupportOn,
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|         SlicingEmptyGcodeLayers,
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|         SlicingGcodeOverlap
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|     };
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| 
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|     typedef size_t TimeStamp;
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| 
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|     // A new unique timestamp is being assigned to the step every time the step changes its state.
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|     struct StateWithTimeStamp
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|     {
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|         StateWithTimeStamp() : state(INVALID), timestamp(0) {}
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|         State       state;
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|         TimeStamp   timestamp;
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|     };
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| 
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|     struct Warning
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|     {
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|     	// Critical warnings will be displayed on G-code export in a modal dialog, so that the user cannot miss them.
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|         WarningLevel    level;
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|         // If the warning is not current, then it is in an unknown state. It may or may not be valid.
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|         // A current warning will become non-current if its milestone gets invalidated.
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|         // A non-current warning will either become current or it will be removed at the end of a milestone.
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|         bool 			current;
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|         // Message to be shown to the user, UTF8, localized.
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|         std::string     message;
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|         // If message_id == 0, then the message is expected to identify the warning uniquely.
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|         // Otherwise message_id identifies the message. For example, if the message contains a varying number, then
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|         // it cannot itself identify the message type.
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|         int 			message_id;
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|     };
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| 
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|     struct StateWithWarnings : public StateWithTimeStamp
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|     {
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|     	void 	mark_warnings_non_current() { for (auto &w : warnings) w.current = false; }
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|         std::vector<Warning>    warnings;
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|     };
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| 
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| protected:
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|     //FIXME last timestamp is shared between Print & SLAPrint,
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|     // and if multiple Print or SLAPrint instances are executed in parallel, modification of g_last_timestamp
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|     // is not synchronized!
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|     static size_t g_last_timestamp;
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| };
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| 
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| // To be instantiated over PrintStep or PrintObjectStep enums.
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| template <class StepType, size_t COUNT>
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| class PrintState : public PrintStateBase
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| {
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| public:
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|     PrintState() {}
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| 
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|     StateWithTimeStamp state_with_timestamp(StepType step, std::mutex &mtx) const {
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|         std::scoped_lock<std::mutex> lock(mtx);
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|         StateWithTimeStamp state = m_state[step];
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|         return state;
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|     }
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| 
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|     StateWithWarnings state_with_warnings(StepType step, std::mutex &mtx) const {
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|         std::scoped_lock<std::mutex> lock(mtx);
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|         StateWithWarnings state = m_state[step];
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|         return state;
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|     }
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| 
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|     bool is_started(StepType step, std::mutex &mtx) const {
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|         return this->state_with_timestamp(step, mtx).state == STARTED;
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|     }
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| 
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|     bool is_done(StepType step, std::mutex &mtx) const {
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|         return this->state_with_timestamp(step, mtx).state == DONE;
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|     }
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| 
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|     StateWithTimeStamp state_with_timestamp_unguarded(StepType step) const {
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|         return m_state[step];
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|     }
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| 
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|     bool is_started_unguarded(StepType step) const {
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|         return this->state_with_timestamp_unguarded(step).state == STARTED;
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|     }
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| 
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|     bool is_done_unguarded(StepType step) const {
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|         return this->state_with_timestamp_unguarded(step).state == DONE;
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|     }
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| 
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|     // Set the step as started. Block on mutex while the Print / PrintObject / PrintRegion objects are being
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|     // modified by the UI thread.
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|     // This is necessary to block until the Print::apply() updates its state, which may
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|     // influence the processing step being entered.
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|     template<typename ThrowIfCanceled>
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|     bool set_started(StepType step, std::mutex &mtx, ThrowIfCanceled throw_if_canceled) {
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|         std::scoped_lock<std::mutex> lock(mtx);
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|         // If canceled, throw before changing the step state.
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|         throw_if_canceled();
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| #ifndef NDEBUG
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| // The following test is not necessarily valid after the background processing thread
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| // is stopped with throw_if_canceled(), as the CanceledException is not being catched
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| // by the Print or PrintObject to update m_step_active or m_state[...].state.
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| // This should not be a problem as long as the caller calls set_started() / set_done() /
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| // active_step_add_warning() consistently. From the robustness point of view it would be
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| // be better to catch CanceledException and do the updates. From the performance point of view,
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| // the current implementation is optimal.
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| //
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| //        assert(m_step_active == -1);
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| //        for (int i = 0; i < int(COUNT); ++ i)
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| //            assert(m_state[i].state != STARTED);
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| #endif // NDEBUG
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|         if (m_state[step].state == DONE)
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|             return false;
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|         PrintStateBase::StateWithWarnings &state = m_state[step];
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|         state.state = STARTED;
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|         state.timestamp = ++ g_last_timestamp;
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|         state.mark_warnings_non_current();
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|         m_step_active = static_cast<int>(step);
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|         return true;
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|     }
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| 
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|     // Set the step as done. Block on mutex while the Print / PrintObject / PrintRegion objects are being
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|     // modified by the UI thread.
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|     // Return value:
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|     // 		Timestamp when this stepentered the DONE state.
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|     // 		bool indicates whether the UI has to update the slicing warnings of this step or not.
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| 	template<typename ThrowIfCanceled>
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| 	std::pair<TimeStamp, bool> set_done(StepType step, std::mutex &mtx, ThrowIfCanceled throw_if_canceled) {
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|         std::scoped_lock<std::mutex> lock(mtx);
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|         // If canceled, throw before changing the step state.
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|         throw_if_canceled();
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|         assert(m_state[step].state == STARTED);
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|         assert(m_step_active == static_cast<int>(step));
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|         PrintStateBase::StateWithWarnings &state = m_state[step];
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|         state.state = DONE;
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|         state.timestamp = ++ g_last_timestamp;
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|         m_step_active = -1;
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|         // Remove all non-current warnings.
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|     	auto it = std::remove_if(state.warnings.begin(), state.warnings.end(), [](const auto &w) { return ! w.current; });
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|     	bool update_warning_ui = false;
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|         if (it != state.warnings.end()) {
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|         	state.warnings.erase(it, state.warnings.end());
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|         	update_warning_ui = true;
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|         }
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|         return std::make_pair(state.timestamp, update_warning_ui);
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|     }
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| 
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|     // Make the step invalid.
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|     // PrintBase::m_state_mutex should be locked at this point, guarding access to m_state.
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|     // In case the step has already been entered or finished, cancel the background
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|     // processing by calling the cancel callback.
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|     template<typename CancelationCallback>
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|     bool invalidate(StepType step, CancelationCallback cancel) {
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|         bool invalidated = m_state[step].state != INVALID;
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|         if (invalidated) {
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| #if 0
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|             if (mtx.state != mtx.HELD) {
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|                 printf("Not held!\n");
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|             }
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| #endif
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|             PrintStateBase::StateWithWarnings &state = m_state[step];
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|             state.state = INVALID;
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|             state.timestamp = ++ g_last_timestamp;
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|             // Raise the mutex, so that the following cancel() callback could cancel
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|             // the background processing.
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|             // Internally the cancel() callback shall unlock the PrintBase::m_status_mutex to let
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|             // the working thread proceed.
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|             cancel();
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|             // Now the worker thread should be stopped, therefore it cannot write into the warnings field.
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|             // It is safe to modify it.
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|             state.mark_warnings_non_current();
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|             m_step_active = -1;
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|         }
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|         return invalidated;
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|     }
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| 
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|     template<typename CancelationCallback, typename StepTypeIterator>
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|     bool invalidate_multiple(StepTypeIterator step_begin, StepTypeIterator step_end, CancelationCallback cancel) {
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|         bool invalidated = false;
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|         for (StepTypeIterator it = step_begin; it != step_end; ++ it) {
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|             StateWithTimeStamp &state = m_state[*it];
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|             if (state.state != INVALID) {
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|                 invalidated = true;
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|                 state.state = INVALID;
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|                 state.timestamp = ++ g_last_timestamp;
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|             }
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|         }
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|         if (invalidated) {
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| #if 0
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|             if (mtx.state != mtx.HELD) {
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|                 printf("Not held!\n");
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|             }
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| #endif
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|             // Raise the mutex, so that the following cancel() callback could cancel
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|             // the background processing.
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|             // Internally the cancel() callback shall unlock the PrintBase::m_status_mutex to let
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|             // the working thread to proceed.
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|             cancel();
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|             // Now the worker thread should be stopped, therefore it cannot write into the warnings field.
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|             // It is safe to modify the warnings.
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|             for (StepTypeIterator it = step_begin; it != step_end; ++ it)
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|                 m_state[*it].mark_warnings_non_current();
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|             m_step_active = -1;
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|         }
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|         return invalidated;
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|     }
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| 
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|     // Make all steps invalid.
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|     // PrintBase::m_state_mutex should be locked at this point, guarding access to m_state.
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|     // In case any step has already been entered or finished, cancel the background
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|     // processing by calling the cancel callback.
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|     template<typename CancelationCallback>
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|     bool invalidate_all(CancelationCallback cancel) {
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|         bool invalidated = false;
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|         for (size_t i = 0; i < COUNT; ++ i) {
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|             StateWithTimeStamp &state = m_state[i];
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|             if (state.state != INVALID) {
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|                 invalidated = true;
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|                 state.state = INVALID;
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|                 state.timestamp = ++ g_last_timestamp;
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|             }
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|         }
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|         if (invalidated) {
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|             cancel();
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|             // Now the worker thread should be stopped, therefore it cannot write into the warnings field.
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|             // It is safe to modify the warnings.
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|             for (size_t i = 0; i < COUNT; ++ i)
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|                 m_state[i].mark_warnings_non_current();
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|             m_step_active = -1;
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|         }
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|         return invalidated;
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|     }
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| 
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|     // Update list of warnings of the current milestone with a new warning.
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|     // The warning may already exist in the list, marked as current or not current.
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|     // If it already exists, mark it as current.
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|     // Return value:
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|     // 		Current milestone (StepType).
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|     // 		bool indicates whether the UI has to be updated or not.
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|     std::pair<StepType, bool> active_step_add_warning(PrintStateBase::WarningLevel warning_level, const std::string &message, int message_id, std::mutex &mtx)
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|     {
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|         std::scoped_lock<std::mutex> lock(mtx);
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|         assert(m_step_active != -1);
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|         StateWithWarnings &state = m_state[m_step_active];
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|         assert(state.state == STARTED);
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|         std::pair<StepType, bool> retval(static_cast<StepType>(m_step_active), true);
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|         // Does a warning of the same level and message or message_id exist already?
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|         auto it = (message_id == 0) ?
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|             std::find_if(state.warnings.begin(), state.warnings.end(), [&message](const auto &w) { return w.message_id == 0 && w.message == message; }) :
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|             std::find_if(state.warnings.begin(), state.warnings.end(), [message_id](const auto& w) { return w.message_id == message_id; });
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|         if (it == state.warnings.end())
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|             // No, create a new warning and update UI.
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|             state.warnings.emplace_back(PrintStateBase::Warning{ warning_level, true, message, message_id });
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|         else if (it->message != message || it->level != warning_level) {
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|             // Yes, however it needs an update.
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|             it->message = message;
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|             it->level 	= warning_level;
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|             it->current = true;
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|         } else if (it->current)
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|             // Yes, and it is current. Don't update UI.
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|             retval.second = false;
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|         else
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|             // Yes, but it is not current. Mark it as current.
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|             it->current = true;
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|         return retval;
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|     }
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| 
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| private:
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|     StateWithWarnings   m_state[COUNT];
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|     // Active class StepType or -1 if none is active.
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|     // If the background processing is canceled, m_step_active may not be resetted
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|     // to -1, see the comment in this->set_started().
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|     int                 m_step_active = -1;
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| };
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| 
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| class PrintBase;
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| 
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| class PrintObjectBase : public ObjectBase
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| {
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| public:
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|     const ModelObject*      model_object() const    { return m_model_object; }
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|     ModelObject*            model_object()          { return m_model_object; }
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| 
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| protected:
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|     PrintObjectBase(ModelObject *model_object) : m_model_object(model_object) {}
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|     virtual ~PrintObjectBase() {}
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|     // Declared here to allow access from PrintBase through friendship.
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| 	static std::mutex&                  state_mutex(PrintBase *print);
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| 	static std::function<void()>        cancel_callback(PrintBase *print);
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| 	// Notify UI about a new warning of a milestone "step" on this PrintObjectBase.
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| 	// The UI will be notified by calling a status callback registered on print.
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| 	// If no status callback is registered, the message is printed to console.
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|     void status_update_warnings(PrintBase *print, int step, PrintStateBase::WarningLevel warning_level,
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|         const std::string &message, PrintStateBase::SlicingNotificationType message_id = PrintStateBase::SlicingDefaultNotification);
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|     void emptylayer_update_msg(PrintBase* print, int type, const std::string& message, bool overwrite);
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| 
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|     ModelObject                  *m_model_object;
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| };
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| 
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| // Wrapper around the private PrintBase.throw_if_canceled(), so that a cancellation object could be passed
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| // to a non-friend of PrintBase by a PrintBase derived object.
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| class PrintTryCancel
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| {
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| public:
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|     // calls print.throw_if_canceled().
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|     void operator()();
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| private:
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|     friend PrintBase;
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|     PrintTryCancel() = delete;
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|     PrintTryCancel(const PrintBase *print) : m_print(print) {}
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|     const PrintBase *m_print;
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| };
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| 
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| /**
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|  * @brief Printing involves slicing and export of device dependent instructions.
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|  *
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|  * Every technology has a potentially different set of requirements for
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|  * slicing, support structures and output print instructions. The pipeline
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|  * however remains roughly the same:
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|  *      slice -> convert to instructions -> send to printer
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|  *
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|  * The PrintBase class will abstract this flow for different technologies.
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|  *
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|  */
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| class PrintBase : public ObjectBase
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| {
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| public:
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| 	PrintBase() : m_placeholder_parser(&m_full_print_config) { this->restart(); }
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|     inline virtual ~PrintBase() {}
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| 
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|     virtual PrinterTechnology technology() const noexcept = 0;
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| 
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|     // Reset the print status including the copy of the Model / ModelObject hierarchy.
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|     virtual void            clear() = 0;
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|     // The Print is empty either after clear() or after apply() over an empty model,
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|     // or after apply() over a model, where no object is printable (all outside the print volume).
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|     virtual bool            empty() const = 0;
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|     // List of existing PrintObject IDs, to remove notifications for non-existent IDs.
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|     virtual std::vector<ObjectID> print_object_ids() const = 0;
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| 
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|     // Validate the print, return empty string if valid, return error if process() cannot (or should not) be started.
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|     //BBS: add more paremeters to validate
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|     virtual StringObjectException validate(StringObjectException *warning = nullptr, Polygons* collison_polygons = nullptr, std::vector<std::pair<Polygon, float>>* height_polygons = nullptr) const { return {}; }
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| 
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|     enum ApplyStatus {
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|         // No change after the Print::apply() call.
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|         APPLY_STATUS_UNCHANGED,
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|         // Some of the Print / PrintObject / PrintObjectInstance data was changed,
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|         // but no result was invalidated (only data influencing not yet calculated results were changed).
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|         APPLY_STATUS_CHANGED,
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|         // Some data was changed, which in turn invalidated already calculated steps.
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|         APPLY_STATUS_INVALIDATED,
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|     };
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|     virtual ApplyStatus     apply(const Model &model, DynamicPrintConfig config) = 0;
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|     const Model&            model() const { return m_model; }
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| 
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|     struct TaskParams {
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| 		TaskParams() : single_model_object(0), single_model_instance_only(false), to_object_step(-1), to_print_step(-1) {}
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|         // If non-empty, limit the processing to this ModelObject.
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|         ObjectID                single_model_object;
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| 		// If set, only process single_model_object. Otherwise process everything, but single_model_object first.
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| 		bool					single_model_instance_only;
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|         // If non-negative, stop processing at the successive object step.
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|         int                     to_object_step;
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|         // If non-negative, stop processing at the successive print step.
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|         int                     to_print_step;
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|     };
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|     // After calling the apply() function, call set_task() to limit the task to be processed by process().
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|     virtual void            set_task(const TaskParams ¶ms) {}
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|     // Perform the calculation. This is the only method that is to be called at a worker thread.
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|     virtual void            process() = 0;
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|     // Clean up after process() finished, either with success, error or if canceled.
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|     // The adjustments on the Print / PrintObject data due to set_task() are to be reverted here.
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|     virtual void            finalize() {}
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| 
 | |
|     struct SlicingStatus {
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|         SlicingStatus(int percent, const std::string &text, unsigned int flags = 0, int warning_step = -1,
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|             PrintStateBase::SlicingNotificationType  msg_type = PrintStateBase::SlicingDefaultNotification) :
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|             percent(percent), text(text), flags(flags), warning_step(warning_step), message_type(msg_type)
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|         {
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|         }
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|         SlicingStatus(const PrintBase &print, int warning_step, const std::string& text,
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|             PrintStateBase::SlicingNotificationType  msg_type = PrintStateBase::SlicingDefaultNotification) :
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|             flags(UPDATE_PRINT_STEP_WARNINGS), warning_object_id(print.id()), text(text), warning_step(warning_step), message_type(msg_type)
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|         {
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|         }
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|         SlicingStatus(const PrintObjectBase &print_object, int warning_step, const std::string& text,
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|             PrintStateBase::SlicingNotificationType  msg_type = PrintStateBase::SlicingDefaultNotification) :
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|             flags(UPDATE_PRINT_OBJECT_STEP_WARNINGS), warning_object_id(print_object.id()), text(text), warning_step(warning_step), message_type(msg_type)
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|         {
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|         }
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|         int             percent { -1 };
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|         std::string     text;
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|         // Bitmap of flags.
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|         enum FlagBits {
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|             DEFAULT                             = 0,
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|             RELOAD_SCENE                        = 1 << 1,
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|             RELOAD_SLA_SUPPORT_POINTS           = 1 << 2,
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|             RELOAD_SLA_PREVIEW                  = 1 << 3,
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|             // UPDATE_PRINT_STEP_WARNINGS is mutually exclusive with UPDATE_PRINT_OBJECT_STEP_WARNINGS.
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|             UPDATE_PRINT_STEP_WARNINGS          = 1 << 4,
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|             UPDATE_PRINT_OBJECT_STEP_WARNINGS   = 1 << 5
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|         };
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|         // Bitmap of FlagBits
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|         unsigned int    flags;
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|         // set to an ObjectID of a Print or a PrintObject based on flags
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|         // (whether UPDATE_PRINT_STEP_WARNINGS or UPDATE_PRINT_OBJECT_STEP_WARNINGS is set).
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|         ObjectID        warning_object_id;
 | |
|         // For which Print or PrintObject step a new warning is being issued?
 | |
|         int             warning_step { -1 };
 | |
| 
 | |
|         PrintStateBase::SlicingNotificationType  message_type {PrintStateBase::SlicingDefaultNotification};
 | |
|     };
 | |
|     typedef std::function<void(const SlicingStatus&)>  status_callback_type;
 | |
|     // Default status console print out in the form of percent => message.
 | |
|     void                    set_status_default() { m_status_callback = nullptr; }
 | |
|     // No status output or callback whatsoever, useful mostly for automatic tests.
 | |
|     void                    set_status_silent() { m_status_callback = [](const SlicingStatus&){}; }
 | |
|     // Register a custom status callback.
 | |
|     void                    set_status_callback(status_callback_type cb) { m_status_callback = cb; }
 | |
|     // Calls a registered callback to update the status, or print out the default message.
 | |
|     void                    set_status(int percent, const std::string &message, unsigned int flags = SlicingStatus::DEFAULT, int warning_step = -1) const;
 | |
| 
 | |
|     typedef std::function<void()>  cancel_callback_type;
 | |
|     // Various methods will call this callback to stop the background processing (the Print::process() call)
 | |
|     // in case a successive change of the Print / PrintObject / PrintRegion instances changed
 | |
|     // the state of the finished or running calculations.
 | |
|     void                       set_cancel_callback(cancel_callback_type cancel_callback) { m_cancel_callback = cancel_callback; }
 | |
|     // Has the calculation been canceled?
 | |
| 	enum CancelStatus {
 | |
| 		// No cancelation, background processing should run.
 | |
| 		NOT_CANCELED = 0,
 | |
| 		// Canceled by user from the user interface (user pressed the "Cancel" button or user closed the application).
 | |
| 		CANCELED_BY_USER = 1,
 | |
| 		// Canceled internally from Print::apply() through the Print/PrintObject::invalidate_step() or ::invalidate_all_steps().
 | |
| 		CANCELED_INTERNAL = 2
 | |
| 	};
 | |
|     CancelStatus               cancel_status() const { return m_cancel_status.load(std::memory_order_acquire); }
 | |
|     // Has the calculation been canceled?
 | |
| 	bool                       canceled() const { return m_cancel_status.load(std::memory_order_acquire) != NOT_CANCELED; }
 | |
|     // Cancel the running computation. Stop execution of all the background threads.
 | |
| 	void                       cancel() { m_cancel_status = CANCELED_BY_USER; }
 | |
| 	void                       cancel_internal() { m_cancel_status = CANCELED_INTERNAL; }
 | |
|     // Cancel the running computation. Stop execution of all the background threads.
 | |
| 	void                       restart() { m_cancel_status = NOT_CANCELED; }
 | |
|     // Returns true if the last step was finished with success.
 | |
|     virtual bool               finished() const = 0;
 | |
| 
 | |
|     const PlaceholderParser&   placeholder_parser() const { return m_placeholder_parser; }
 | |
|     const DynamicPrintConfig&  full_print_config() const { return m_full_print_config; }
 | |
| 
 | |
|     virtual std::string        output_filename(const std::string &filename_base = std::string()) const = 0;
 | |
|     // If the filename_base is set, it is used as the input for the template processing. In that case the path is expected to be the directory (may be empty).
 | |
|     // If filename_set is empty, than the path may be a file or directory. If it is a file, then the macro will not be processed.
 | |
|     std::string                output_filepath(const std::string &path, const std::string &filename_base = std::string()) const;
 | |
| 
 | |
|     //BBS: get/set plate id
 | |
|     int get_plate_index() const { return m_plate_index; }
 | |
|     void set_plate_index(int index) { m_plate_index = index; }
 | |
| 
 | |
| protected:
 | |
| 	friend class PrintObjectBase;
 | |
|     friend class BackgroundSlicingProcess;
 | |
| 
 | |
|     std::mutex&            state_mutex() const { return m_state_mutex; }
 | |
|     std::function<void()>  cancel_callback() { return m_cancel_callback; }
 | |
| 	void				   call_cancel_callback() { m_cancel_callback(); }
 | |
| 	// Notify UI about a new warning of a milestone "step" on this PrintBase.
 | |
| 	// The UI will be notified by calling a status callback.
 | |
| 	// If no status callback is registered, the message is printed to console.
 | |
|     void 				   status_update_warnings(int step, PrintStateBase::WarningLevel warning_level,
 | |
|         const std::string &message, const PrintObjectBase* print_object = nullptr, PrintStateBase::SlicingNotificationType message_id = PrintStateBase::SlicingDefaultNotification);
 | |
|     //BBS: add api to update printobject's warnings
 | |
| 	void                   status_update_warnings(int step, PrintStateBase::WarningLevel /* warning_level */,
 | |
| 	    const std::string& message, PrintObjectBase &object, PrintStateBase::SlicingNotificationType message_id = PrintStateBase::SlicingDefaultNotification);
 | |
| 
 | |
|     // If the background processing stop was requested, throw CanceledException.
 | |
|     // To be called by the worker thread and its sub-threads (mostly launched on the TBB thread pool) regularly.
 | |
|     void                   throw_if_canceled() const { if (m_cancel_status.load(std::memory_order_acquire)) throw CanceledException(); }
 | |
|     // Wrapper around this->throw_if_canceled(), so that throw_if_canceled() may be passed to a function without making throw_if_canceled() public.
 | |
|     PrintTryCancel         make_try_cancel() const { return PrintTryCancel(this); }
 | |
| 
 | |
|     // To be called by this->output_filename() with the format string pulled from the configuration layer.
 | |
|     std::string            output_filename(const std::string &format, const std::string &default_ext, const std::string &filename_base, const DynamicConfig *config_override = nullptr) const;
 | |
|     // Update "scale", "input_filename", "input_filename_base" placeholders from the current printable ModelObjects.
 | |
|     void                   update_object_placeholders(DynamicConfig &config, const std::string &default_ext) const;
 | |
| 
 | |
| 	Model                                   m_model;
 | |
| 	DynamicPrintConfig						m_full_print_config;
 | |
|     PlaceholderParser                       m_placeholder_parser;
 | |
| 
 | |
|     //BBS: add plate id into print base
 | |
|     int m_plate_index{ 0 };
 | |
| 
 | |
|     // Callback to be evoked regularly to update state of the UI thread.
 | |
|     status_callback_type                    m_status_callback;
 | |
| 
 | |
| private:
 | |
|     std::atomic<CancelStatus>               m_cancel_status;
 | |
| 
 | |
|     // Callback to be evoked to stop the background processing before a state is updated.
 | |
|     cancel_callback_type                    m_cancel_callback = [](){};
 | |
| 
 | |
|     // Mutex used for synchronization of the worker thread with the UI thread:
 | |
|     // The mutex will be used to guard the worker thread against entering a stage
 | |
|     // while the data influencing the stage is modified.
 | |
|     mutable std::mutex                      m_state_mutex;
 | |
| 
 | |
|     friend PrintTryCancel;
 | |
| };
 | |
| 
 | |
| template<typename PrintStepEnum, const size_t COUNT>
 | |
| class PrintBaseWithState : public PrintBase
 | |
| {
 | |
| public:
 | |
|     bool            is_step_done(PrintStepEnum step) const { return m_state.is_done(step, this->state_mutex()); }
 | |
| 	PrintStateBase::StateWithTimeStamp step_state_with_timestamp(PrintStepEnum step) const { return m_state.state_with_timestamp(step, this->state_mutex()); }
 | |
|     PrintStateBase::StateWithWarnings  step_state_with_warnings(PrintStepEnum step) const { return m_state.state_with_warnings(step, this->state_mutex()); }
 | |
| 
 | |
| protected:
 | |
|     bool            set_started(PrintStepEnum step) { return m_state.set_started(step, this->state_mutex(), [this](){ this->throw_if_canceled(); }); }
 | |
| 	PrintStateBase::TimeStamp set_done(PrintStepEnum step) {
 | |
| 		std::pair<PrintStateBase::TimeStamp, bool> status = m_state.set_done(step, this->state_mutex(), [this](){ this->throw_if_canceled(); });
 | |
|         if (status.second)
 | |
|             this->status_update_warnings(static_cast<int>(step), PrintStateBase::WarningLevel::NON_CRITICAL, std::string());
 | |
|         return status.first;
 | |
| 	}
 | |
|     bool            invalidate_step(PrintStepEnum step)
 | |
| 		{ return m_state.invalidate(step, this->cancel_callback()); }
 | |
|     template<typename StepTypeIterator>
 | |
|     bool            invalidate_steps(StepTypeIterator step_begin, StepTypeIterator step_end)
 | |
|         { return m_state.invalidate_multiple(step_begin, step_end, this->cancel_callback()); }
 | |
|     bool            invalidate_steps(std::initializer_list<PrintStepEnum> il)
 | |
|         { return m_state.invalidate_multiple(il.begin(), il.end(), this->cancel_callback()); }
 | |
|     bool            invalidate_all_steps()
 | |
|         { return m_state.invalidate_all(this->cancel_callback()); }
 | |
| 
 | |
| 	bool            is_step_started_unguarded(PrintStepEnum step) const { return m_state.is_started_unguarded(step); }
 | |
| 	bool            is_step_done_unguarded(PrintStepEnum step) const { return m_state.is_done_unguarded(step); }
 | |
| 
 | |
|     // Add a slicing warning to the active Print step and send a status notification.
 | |
|     // This method could be called multiple times between this->set_started() and this->set_done().
 | |
|     void            active_step_add_warning(PrintStateBase::WarningLevel warning_level, const std::string &message,
 | |
|                             PrintStateBase::SlicingNotificationType message_id = PrintStateBase::SlicingDefaultNotification)
 | |
|     {
 | |
|         std::pair<PrintStepEnum, bool> active_step = m_state.active_step_add_warning(warning_level, message, (int)message_id, this->state_mutex());
 | |
|         if (active_step.second)
 | |
|             // Update UI.
 | |
|             this->status_update_warnings(static_cast<int>(active_step.first), warning_level, message, nullptr, message_id);
 | |
|     }
 | |
| 
 | |
| private:
 | |
|     PrintState<PrintStepEnum, COUNT> m_state;
 | |
| };
 | |
| 
 | |
| template<typename PrintType, typename PrintObjectStepEnum, const size_t COUNT>
 | |
| class PrintObjectBaseWithState : public PrintObjectBase
 | |
| {
 | |
| public:
 | |
|     PrintType*       print()         { return m_print; }
 | |
|     const PrintType* print() const   { return m_print; }
 | |
| 
 | |
|     typedef PrintState<PrintObjectStepEnum, COUNT> PrintObjectState;
 | |
|     bool            is_step_done(PrintObjectStepEnum step) const { return m_state.is_done(step, PrintObjectBase::state_mutex(m_print)); }
 | |
|     PrintStateBase::StateWithTimeStamp step_state_with_timestamp(PrintObjectStepEnum step) const { return m_state.state_with_timestamp(step, PrintObjectBase::state_mutex(m_print)); }
 | |
|     PrintStateBase::StateWithWarnings  step_state_with_warnings(PrintObjectStepEnum step) const { return m_state.state_with_warnings(step, PrintObjectBase::state_mutex(m_print)); }
 | |
| 
 | |
| protected:
 | |
| 	PrintObjectBaseWithState(PrintType *print, ModelObject *model_object) : PrintObjectBase(model_object), m_print(print) {}
 | |
| 
 | |
|     bool            set_started(PrintObjectStepEnum step)
 | |
|         { return m_state.set_started(step, PrintObjectBase::state_mutex(m_print), [this](){ this->throw_if_canceled(); }); }
 | |
| 	PrintStateBase::TimeStamp set_done(PrintObjectStepEnum step) {
 | |
| 		std::pair<PrintStateBase::TimeStamp, bool> status = m_state.set_done(step, PrintObjectBase::state_mutex(m_print), [this](){ this->throw_if_canceled(); });
 | |
|         if (status.second)
 | |
|             this->status_update_warnings(m_print, static_cast<int>(step), PrintStateBase::WarningLevel::NON_CRITICAL, std::string());
 | |
|         return status.first;
 | |
| 	}
 | |
| 
 | |
|     bool            invalidate_step(PrintObjectStepEnum step)
 | |
|         { return m_state.invalidate(step, PrintObjectBase::cancel_callback(m_print)); }
 | |
|     template<typename StepTypeIterator>
 | |
|     bool            invalidate_steps(StepTypeIterator step_begin, StepTypeIterator step_end)
 | |
|         { return m_state.invalidate_multiple(step_begin, step_end, PrintObjectBase::cancel_callback(m_print)); }
 | |
|     bool            invalidate_steps(std::initializer_list<PrintObjectStepEnum> il)
 | |
|         { return m_state.invalidate_multiple(il.begin(), il.end(), PrintObjectBase::cancel_callback(m_print)); }
 | |
|     bool            invalidate_all_steps()
 | |
|         { return m_state.invalidate_all(PrintObjectBase::cancel_callback(m_print)); }
 | |
|     bool            invalidate_all_steps_without_cancel()
 | |
|         { return m_state.invalidate_all([](){}); }
 | |
| 
 | |
|     bool            is_step_started_unguarded(PrintObjectStepEnum step) const { return m_state.is_started_unguarded(step); }
 | |
|     bool            is_step_done_unguarded(PrintObjectStepEnum step) const { return m_state.is_done_unguarded(step); }
 | |
| 
 | |
|     // Add a slicing warning to the active PrintObject step and send a status notification.
 | |
|     // This method could be called multiple times between this->set_started() and this->set_done().
 | |
|     void            active_step_add_warning(PrintStateBase::WarningLevel warning_level, const std::string &message,
 | |
|                         PrintStateBase::SlicingNotificationType message_id = PrintStateBase::SlicingDefaultNotification) {
 | |
|     	std::pair<PrintObjectStepEnum, bool> active_step = m_state.active_step_add_warning(warning_level, message,(int) message_id, PrintObjectBase::state_mutex(m_print));
 | |
|     	if (active_step.second)
 | |
|     		this->status_update_warnings(m_print, static_cast<int>(active_step.first), warning_level, message, message_id);
 | |
|     }
 | |
| 
 | |
| protected:
 | |
|     // If the background processing stop was requested, throw CanceledException.
 | |
|     // To be called by the worker thread and its sub-threads (mostly launched on the TBB thread pool) regularly.
 | |
|     void            throw_if_canceled() { if (m_print->canceled()) throw CanceledException(); }
 | |
| 
 | |
|     friend PrintType;
 | |
|     PrintType                               *m_print;
 | |
| 
 | |
| private:
 | |
|     PrintState<PrintObjectStepEnum, COUNT>   m_state;
 | |
| };
 | |
| 
 | |
| } // namespace Slic3r
 | |
| 
 | |
| #endif /* slic3r_PrintBase_hpp_ */
 | 
