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Fix garbled G-code preview when a post-processing script is used (#15005)

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* Rebuild the G-code line offsets after post-processing scripts run in place

* Clamp the G-code window reads to the mapped file size

* Add tests for rebuilding the G-code line offsets

* Include <mutex>, <ios> and boost/filesystem/operations.hpp where they are used

* Keep the preview's G-code lines and highlight in step with post-processing scripts

---------

Co-authored-by: SoftFever <103989404+SoftFever@users.noreply.github.com>
Co-authored-by: SoftFever <softfeverever@gmail.com>
This commit is contained in:
ExPikaPaka
2026-10-09 23:08:43 +08:00
committed by GitHub
co-authored by SoftFever SoftFever
parent eb28daf0fe
commit e0b35f9ec9
5 changed files with 103 additions and 6 deletions
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src/slic3r/GUI/BackgroundSlicingProcess.cpp
+5 -4
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@@ -283,11 +283,12 @@ void BackgroundSlicingProcess::process_fff()
m_temp_output_path = this->get_current_plate()->get_tmp_gcode_path();
m_fff_print->export_gcode(m_temp_output_path, m_gcode_result,
[this](const ThumbnailsParams& params) { return this->render_thumbnails(params); });
// Orca: BBL printers post-process the g-code in place here and never re-parse it into a fresh
// GCodeProcessorResult, so m_gcode_result->nozzle_group_result (consumed by the H2C print-dispatch
// nozzle mapping) survives post-processing. No preservation guard is needed on this path.
// Orca: BBL printers post-process the g-code in place here, in the file the G-code viewer maps, so
// the preview re-reads its moves and line offsets from the edited file. The rest of m_gcode_result,
// including nozzle_group_result (consumed by the H2C print-dispatch nozzle mapping), is kept.
if (m_fff_print->is_BBL_printer()) {
run_post_process_scripts(m_temp_output_path, false, "File", m_temp_output_path, m_fff_print->full_print_config());
if (run_post_process_scripts(m_temp_output_path, false, "File", m_temp_output_path, m_fff_print->full_print_config()))
m_fff_print->reload_gcode_moves(m_gcode_result);
}
BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format(": export gcode finished");