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Add support for Draco (.drc) format (#10681)

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* Add read support for Google's Draco (.drc) format.

* Fix build on Linux

* Use boost instead of fstat.

* Switch to boost memory-mapped file to save RAM and potentially improve performance.

* Trim trailing whitespace.

* Initial Draco write support.

Currently always exports with 16-bit precision and speed 0 (best compression).
The back-end function does have arguments to specify them, it's just not hooked into the GUI.

* Add Draco to the About dialogue.

* Fix Linux compile (hopefully)

* Add an option to associate DRC files on Windows.

* Implement a Preferences option to set Draco position quantization bits

* Update src/slic3r/GUI/Preferences.cpp

Co-authored-by: Ian Bassi <ian.bassi@outlook.com>

* Some slight changes to ianalexis's suggestion.

* Implement a create_item_spinctrl() function for numeric inputs, and use that instead of create_item_input().

* Move "bits" to inside the spinctrl box.

* Refactor following yw4z's feedback

* Update src/slic3r/GUI/Preferences.cpp

Co-authored-by: Ian Bassi <ian.bassi@outlook.com>

* Change to 0 bits as the default setting for Draco export precision.

* Change to a lossy checkbox and a bits field with a range of 8-30.

* Proper SpinInput code from yw4z

* Revert "Proper SpinInput code from yw4z"

This reverts commit 7e9c85f31a.

* Revert "Change to a lossy checkbox and a bits field with a range of 8-30."

This reverts commit d642c9bcc0.

* Redo preferences based on SoftFever's feedback

* Refactor to minimize code duplication

* Fix padding

* Improve Draco export quality level tooltip clarity

Clarify that 0 means lossless compression (not uncompressed),
document the valid lossy range (8-30), and better explain the
tradeoff between file size and geometric detail.

---------

Co-authored-by: SoftFever <softfeverever@gmail.com>
Co-authored-by: Noisyfox <timemanager.rick@gmail.com>
Co-authored-by: Ian Bassi <ian.bassi@outlook.com>
This commit is contained in:
Maeyanie
2026-02-06 05:27:17 -05:00
committed by GitHub
parent dffaa5c0a9
commit bb30999673
18 changed files with 396 additions and 12 deletions
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6
src/slic3r/GUI/MainFrame.cpp
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@@ -2516,6 +2516,12 @@ void MainFrame::init_menubar_as_editor()
append_menu_item(export_menu, wxID_ANY, _L("Export all objects as STLs") + dots, _L("Export all objects as STLs"),
[this](wxCommandEvent&) { if (m_plater) m_plater->export_stl(false, false, true); }, "menu_export_stl", nullptr,
[this](){return can_export_model(); }, this);
append_menu_item(export_menu, wxID_ANY, _L("Export all objects as one DRC") + dots, _L("Export all objects as one DRC"),
[this](wxCommandEvent&) { if (m_plater) m_plater->export_stl(false, false, false, FT_DRC); }, "menu_export_stl", nullptr,
[this](){return can_export_model(); }, this);
append_menu_item(export_menu, wxID_ANY, _L("Export all objects as DRCs") + dots, _L("Export all objects as DRCs"),
[this](wxCommandEvent&) { if (m_plater) m_plater->export_stl(false, false, true, FT_DRC); }, "menu_export_stl", nullptr,
[this](){return can_export_model(); }, this);
append_menu_item(export_menu, wxID_ANY, _L("Export Generic 3MF") + dots/* + "\t" + ctrl + "G"*/, _L("Export 3MF file without using some 3mf-extensions"),
[this](wxCommandEvent&) { if (m_plater) m_plater->export_core_3mf(); }, "menu_export_sliced_file", nullptr,
[this](){return can_export_model(); }, this);