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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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25
src/slic3r/GUI/GUI_Factories.cpp
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@@ -863,6 +863,27 @@ void MenuFactory::append_menu_item_export_stl(wxMenu* menu, bool is_mulity_menu)
}, m_parent);
}
void MenuFactory::append_menu_item_export_drc(wxMenu* menu, bool is_mulity_menu)
{
append_menu_item(menu, wxID_ANY, _L("Export as one DRC") + dots, "",
[](wxCommandEvent&) { plater()->export_stl(false, true, false, FT_DRC); }, "", nullptr,
[is_mulity_menu]() {
const Selection& selection = plater()->canvas3D()->get_selection();
if (is_mulity_menu)
return selection.is_multiple_full_instance() || selection.is_multiple_full_object();
else
return selection.is_single_full_instance() || selection.is_single_full_object();
}, m_parent);
if (!is_mulity_menu)
return;
append_menu_item(menu, wxID_ANY, _L("Export as DRCs") + dots, "",
[](wxCommandEvent&) { plater()->export_stl(false, true, true, FT_DRC); }, "", nullptr,
[]() {
const Selection& selection = plater()->canvas3D()->get_selection();
return selection.is_multiple_full_instance() || selection.is_multiple_full_object();
}, m_parent);
}
void MenuFactory::append_menu_item_reload_from_disk(wxMenu* menu)
{
append_menu_item(menu, wxID_ANY, _L("Reload from disk"), _L("Reload the selected parts from disk"),
@@ -1282,6 +1303,7 @@ void MenuFactory::create_common_object_menu(wxMenu* menu)
append_menu_item_reload_from_disk(menu);
append_menu_item_export_stl(menu);
append_menu_item_export_drc(menu);
// "Scale to print volume" makes a sense just for whole object
append_menu_item_scale_selection_to_fit_print_volume(menu);
@@ -1367,6 +1389,7 @@ void MenuFactory::create_extra_object_menu()
append_menu_item_replace_with_stl(&m_object_menu);
append_menu_item_replace_all_with_stl(&m_object_menu);
append_menu_item_export_stl(&m_object_menu);
append_menu_item_export_drc(&m_object_menu);
}
void MenuFactory::create_bbl_assemble_object_menu()
@@ -1401,6 +1424,7 @@ void MenuFactory::create_part_menu()
append_menu_item_delete(menu);
append_menu_item_reload_from_disk(menu);
append_menu_item_export_stl(menu);
append_menu_item_export_drc(menu);
append_menu_item_fix_through_netfabb(menu);
append_menu_items_mirror(menu);
append_menu_item_merge_parts_to_single_part(menu);
@@ -1782,6 +1806,7 @@ wxMenu* MenuFactory::multi_selection_menu()
append_menu_item_change_filament(menu);
menu->AppendSeparator();
append_menu_item_export_stl(menu, true);
append_menu_item_export_drc(menu, true);
}
else {
append_menu_item_center(menu);