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Add the full source of BambuStudio

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lane.wei 2022-07-15 23:37:19 +08:00 • committed by Lane.Wei
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#ifndef slic3r_GUI_BackgroundSlicingProcess_hpp_
#define slic3r_GUI_BackgroundSlicingProcess_hpp_
#include <string>
#include <condition_variable>
#include <mutex>
#include <boost/thread.hpp>
#include <wx/event.h>
#include "libslic3r/PrintBase.hpp"
#include "libslic3r/GCode/ThumbnailData.hpp"
#include "libslic3r/Format/SL1.hpp"
#include "libslic3r/GCode/GCodeProcessor.hpp"
#include "PartPlate.hpp"
namespace boost { namespace filesystem { class path; } }
namespace Slic3r {
class DynamicPrintConfig;
class Model;
class SLAPrint;
class SlicingStatusEvent : public wxEvent
{
public:
SlicingStatusEvent(wxEventType eventType, int winid, const PrintBase::SlicingStatus &status) :
wxEvent(winid, eventType), status(std::move(status)) {}
virtual wxEvent *Clone() const { return new SlicingStatusEvent(*this); }
PrintBase::SlicingStatus status;
};
class SlicingProcessCompletedEvent : public wxEvent
{
public:
enum StatusType {
Finished,
Cancelled,
Error
};
SlicingProcessCompletedEvent(wxEventType eventType, int winid, StatusType status, std::exception_ptr exception) :
wxEvent(winid, eventType), m_status(status), m_exception(exception) {}
virtual wxEvent* Clone() const { return new SlicingProcessCompletedEvent(*this); }
StatusType status() const { return m_status; }
bool finished() const { return m_status == Finished; }
bool success() const { return m_status == Finished; }
bool cancelled() const { return m_status == Cancelled; }
bool error() const { return m_status == Error; }
// Unhandled error produced by stdlib or a Win32 structured exception, or unhandled Slic3r's own critical exception.
bool critical_error() const;
// Critical errors does invalidate plater except CopyFileError.
bool invalidate_plater() const;
// Only valid if error()
void rethrow_exception() const { assert(this->error()); assert(m_exception); std::rethrow_exception(m_exception); }
// Produce a human readable message to be displayed by a notification or a message box.
// 2nd parameter defines whether the output should be displayed with a monospace font.
std::pair<std::string, bool> format_error_message() const;
private:
StatusType m_status;
std::exception_ptr m_exception;
};
//BBS: move it to plater.hpp
//wxDEFINE_EVENT(EVT_SLICING_UPDATE, SlicingStatusEvent);
// Print step IDs for keeping track of the print state.
enum BackgroundSlicingProcessStep {
bspsGCodeFinalize, bspsCount,
};
// Support for the GUI background processing (Slicing and G-code generation).
// As of now this class is not declared in Slic3r::GUI due to the Perl bindings limits.
class BackgroundSlicingProcess
{
public:
BackgroundSlicingProcess();
// Stop the background processing and finalize the bacgkround processing thread, remove temp files.
~BackgroundSlicingProcess();
void set_fff_print(Print *print) { m_fff_print = print; }
void set_sla_print(SLAPrint *print) { m_sla_print = print; m_sla_print->set_printer(&m_sla_archive); }
void set_thumbnail_cb(ThumbnailsGeneratorCallback cb) { m_thumbnail_cb = cb; }
void set_gcode_result(GCodeProcessorResult* result) { m_gcode_result = result; }
//BBS: add partplate related logic
bool switch_print_preprocess();
bool can_switch_print();
void set_current_plate(GUI::PartPlate* plate) { m_current_plate = plate; }
GUI::PartPlate* get_current_plate() { return m_current_plate; }
GCodeProcessorResult* get_current_gcode_result() { return m_gcode_result;}
// The following wxCommandEvent will be sent to the UI thread / Plater window, when the slicing is finished
// and the background processing will transition into G-code export.
// The wxCommandEvent is sent to the UI thread asynchronously without waiting for the event to be processed.
void set_slicing_completed_event(int event_id) { m_event_slicing_completed_id = event_id; }
// The following wxCommandEvent will be sent to the UI thread / Plater window, when the G-code export is finished.
// The wxCommandEvent is sent to the UI thread asynchronously without waiting for the event to be processed.
void set_finished_event(int event_id) { m_event_finished_id = event_id; }
// The following wxCommandEvent will be sent to the UI thread / Plater window, when the G-code is being exported to
// specified path or uploaded.
// The wxCommandEvent is sent to the UI thread asynchronously without waiting for the event to be processed.
void set_export_began_event(int event_id) { m_event_export_began_id = event_id; }
// BBS
void set_export_finished_event(int event_id) { m_event_export_finished_id = event_id; }
// Activate either m_fff_print or m_sla_print.
// Return true if changed.
bool select_technology(PrinterTechnology tech);
// Get the currently active printer technology.
PrinterTechnology current_printer_technology() const;
// Get the current print. It is either m_fff_print or m_sla_print.
const PrintBase* current_print() const { return m_print; }
const Print* fff_print() const { return m_fff_print; }
const SLAPrint* sla_print() const { return m_sla_print; }
// Take the project path (if provided), extract the name of the project, run it through the macro processor and save it next to the project file.
// If the project_path is empty, just run output_filepath().
std::string output_filepath_for_project(const boost::filesystem::path &project_path);
// Start the background processing. Returns false if the background processing was already running.
bool start();
// Cancel the background processing. Returns false if the background processing was not running.
// A stopped background processing may be restarted with start().
bool stop();
// Cancel the background processing and reset the print. Returns false if the background processing was not running.
// Useful when the Model or configuration is being changed drastically.
bool reset();
// Apply config over the print. Returns false, if the new config values caused any of the already
// processed steps to be invalidated, therefore the task will need to be restarted.
PrintBase::ApplyStatus apply(const Model &model, const DynamicPrintConfig &config);
// After calling the apply() function, set_task() may be called to limit the task to be processed by process().
// This is useful for calculating SLA supports for a single object only.
void set_task(const PrintBase::TaskParams &params);
// After calling apply, the empty() call will report whether there is anything to slice.
bool empty() const;
// Validate the print. Returns an empty string if valid, returns an error message if invalid.
// Call validate before calling start().
StringObjectException validate(StringObjectException *warning = nullptr, Polygons* collison_polygons = nullptr, std::vector<std::pair<Polygon, float>>* height_polygons = nullptr);
// Set the export path of the G-code.
// Once the path is set, the G-code
void schedule_export(const std::string &path, bool export_path_on_removable_media);
// Clear m_export_path.
void reset_export();
// Once the G-code export is scheduled, the apply() methods will do nothing.
bool is_export_scheduled() const { return ! m_export_path.empty(); }
enum State {
// m_thread is not running yet, or it did not reach the STATE_IDLE yet (it does not wait on the condition yet).
STATE_INITIAL = 0,
// m_thread is waiting for the task to execute.
STATE_IDLE,
STATE_STARTED,
// m_thread is executing a task.
STATE_RUNNING,
// m_thread finished executing a task, and it is waiting until the UI thread picks up the results.
STATE_FINISHED,
// m_thread finished executing a task, the task has been canceled by the UI thread, therefore the UI thread will not be notified.
STATE_CANCELED,
// m_thread exited the loop and it is going to finish. The UI thread should join on m_thread.
STATE_EXIT,
STATE_EXITED,
};
State state() const { return m_state; }
bool idle() const { return m_state == STATE_IDLE; }
bool running() const { return m_state == STATE_STARTED || m_state == STATE_RUNNING || m_state == STATE_FINISHED || m_state == STATE_CANCELED; }
// Returns true if the last step of the active print was finished with success.
// The "finished" flag is reset by the apply() method, if it changes the state of the print.
// This "finished" flag does not account for the final export of the output file (.gcode or zipped PNGs),
// and it does not account for the OctoPrint scheduling.
//BBS: improve the finished logic, also judge the m_gcode_result
//bool finished() const { return m_print->finished(); }
bool finished() const { return m_print->finished() && !m_gcode_result->moves.empty(); }
//BBS: add Plater to friend class
//need to call stop_internal in ui thread
friend class GUI::Plater;
private:
void thread_proc();
// Calls thread_proc(), catches all C++ exceptions and shows them using wxApp::OnUnhandledException().
void thread_proc_safe() throw();
#ifdef _WIN32
// Wrapper for Win32 structured exceptions. Win32 structured exception blocks and C++ exception blocks cannot be mixed in the same function.
// Catch a SEH exception and return its ID or zero if no SEH exception has been catched.
unsigned long thread_proc_safe_seh() throw();
// Calls thread_proc_safe_seh(), rethrows a Slic3r::HardCrash exception based on SEH exception
// returned by thread_proc_safe_seh() and lets wxApp::OnUnhandledException() display it.
void thread_proc_safe_seh_throw() throw();
#endif // _WIN32
void join_background_thread();
// To be called by Print::apply() through the Print::m_cancel_callback to stop the background
// processing before changing any data of running or finalized milestones.
// This function shall not trigger any UI update through the wxWidgets event.
void stop_internal();
// Helper to wrap the FFF slicing & G-code generation.
void process_fff();
// Temporary: for mimicking the fff file export behavior with the raster output
void process_sla();
// Call Print::process() and catch all exceptions into ex, thus no exception could be thrown
// by this method. This exception behavior is required to combine C++ exceptions with Win32 SEH exceptions
// on the same thread.
void call_process(std::exception_ptr &ex) throw();
#ifdef _WIN32
// Wrapper for Win32 structured exceptions. Win32 structured exception blocks and C++ exception blocks cannot be mixed in the same function.
// Catch a SEH exception and return its ID or zero if no SEH exception has been catched.
unsigned long call_process_seh(std::exception_ptr &ex) throw();
// Calls call_process_seh(), rethrows a Slic3r::HardCrash exception based on SEH exception
// returned by call_process_seh().
void call_process_seh_throw(std::exception_ptr &ex) throw();
#endif // _WIN32
// Currently active print. It is one of m_fff_print and m_sla_print.
PrintBase *m_print = nullptr;
// Non-owned pointers to Print instances.
Print *m_fff_print = nullptr;
SLAPrint *m_sla_print = nullptr;
// Data structure, to which the G-code export writes its annotations.
GCodeProcessorResult *m_gcode_result = nullptr;
// Callback function, used to write thumbnails into gcode.
ThumbnailsGeneratorCallback m_thumbnail_cb = nullptr;
SL1Archive m_sla_archive;
// Temporary G-code, there is one defined for the BackgroundSlicingProcess, differentiated from the other processes by a process ID.
std::string m_temp_output_path;
// Output path provided by the user. The output path may be set even if the slicing is running,
// but once set, it cannot be re-set.
std::string m_export_path;
bool m_export_path_on_removable_media = false;
// Thread, on which the background processing is executed. The thread will always be present
// and ready to execute the slicing process.
boost::thread m_thread;
// Mutex and condition variable to synchronize m_thread with the UI thread.
std::mutex m_mutex;
std::condition_variable m_condition;
State m_state = STATE_INITIAL;
// For executing tasks from the background thread on UI thread synchronously (waiting for result) using wxWidgets CallAfter().
// When the background proces is canceled, the UITask has to be invalidated as well, so that it will not be
// executed on the UI thread referencing invalid data.
struct UITask {
enum State {
Planned,
Finished,
Canceled,
};
State state = Planned;
std::mutex mutex;
std::condition_variable condition;
};
// Only one UI task may be planned by the background thread to be executed on the UI thread, as the background
// thread is blocking until the UI thread calculation finishes.
std::shared_ptr<UITask> m_ui_task;
//BBS: partplate related
GUI::PartPlate* m_current_plate;
PrinterTechnology m_printer_tech = ptUnknown;
PrintState<BackgroundSlicingProcessStep, bspsCount> m_step_state;
bool set_step_started(BackgroundSlicingProcessStep step);
void set_step_done(BackgroundSlicingProcessStep step);
bool is_step_done(BackgroundSlicingProcessStep step) const;
bool invalidate_step(BackgroundSlicingProcessStep step);
bool invalidate_all_steps();
// If the background processing stop was requested, throw CanceledException.
void throw_if_canceled() const { if (m_print->canceled()) throw CanceledException(); }
void finalize_gcode();
// To be executed at the background thread.
ThumbnailsList render_thumbnails(const ThumbnailsParams &params);
// Execute task from background thread on the UI thread synchronously. Returns true if processed, false if cancelled before executing the task.
bool execute_ui_task(std::function<void()> task);
// To be called from inside m_mutex to cancel a planned UI task.
static void cancel_ui_task(std::shared_ptr<BackgroundSlicingProcess::UITask> task);
// wxWidgets command ID to be sent to the plater to inform that the slicing is finished, and the G-code export will continue.
int m_event_slicing_completed_id = 0;
// wxWidgets command ID to be sent to the plater to inform that the task finished.
int m_event_finished_id = 0;
// wxWidgets command ID to be sent to the plater to inform that the G-code is being exported.
int m_event_export_began_id = 0;
// wxWidgets command ID to be sent to the plater to inform that the G-code is exported end.
int m_event_export_finished_id = 0;
};
}; // namespace Slic3r
#endif /* slic3r_GUI_BackgroundSlicingProcess_hpp_ */