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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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72
src/slic3r/GUI/Preferences.cpp
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@@ -6,6 +6,7 @@
#include "MsgDialog.hpp"
#include "I18N.hpp"
#include "libslic3r/AppConfig.hpp"
#include "libslic3r/Format/DRC.hpp"
#include <wx/language.h>
#include "OG_CustomCtrl.hpp"
#include "wx/graphics.h"
@@ -750,6 +751,58 @@ wxBoxSizer *PreferencesDialog::create_item_auto_reslice(wxString title, wxString
return sizer_row;
}
wxBoxSizer* PreferencesDialog::create_item_draco(wxString title, wxString side_label, wxString tooltip)
{
wxBoxSizer* sizer_input = new wxBoxSizer(wxHORIZONTAL);
auto input_title = new wxStaticText(m_parent, wxID_ANY, title, wxDefaultPosition, DESIGN_TITLE_SIZE, wxST_NO_AUTORESIZE);
input_title->SetForegroundColour(DESIGN_GRAY900_COLOR);
input_title->SetFont(::Label::Body_14);
input_title->SetToolTip(tooltip);
input_title->Wrap(DESIGN_TITLE_SIZE.x);
input_title->SetToolTip(tooltip);
auto input = new ::TextInput(m_parent, wxEmptyString, side_label, wxEmptyString, wxDefaultPosition, DESIGN_INPUT_SIZE, wxTE_PROCESS_ENTER);
StateColor input_bg(std::pair<wxColour, int>(wxColour("#F0F0F1"), StateColor::Disabled),
std::pair<wxColour, int>(*wxWHITE, StateColor::Enabled));
input->SetBackgroundColor(input_bg);
input->GetTextCtrl()->SetValue(app_config->get("drc_bits"));
wxTextValidator validator(wxFILTER_DIGITS);
input->SetToolTip(tooltip);
input->GetTextCtrl()->SetValidator(validator);
sizer_input->AddSpacer(FromDIP(DESIGN_LEFT_MARGIN));
sizer_input->Add(input_title, 0, wxALIGN_CENTER_VERTICAL);
sizer_input->Add(input , 0, wxALIGN_CENTER_VERTICAL | wxLEFT, FromDIP(5));
std::function<void()> set_draco_bits = [this, input]() {
long drc_bits = DRC_BITS_DEFAULT;
input->GetTextCtrl()->GetValue().ToLong(&drc_bits);
if (drc_bits > DRC_BITS_MAX) {
drc_bits = DRC_BITS_MAX;
input->GetTextCtrl()->SetValue(std::to_string(drc_bits));
} else if (drc_bits < DRC_BITS_MIN && drc_bits != 0) {
drc_bits = DRC_BITS_MIN;
input->GetTextCtrl()->SetValue(std::to_string(drc_bits));
}
app_config->set("drc_bits", std::to_string(drc_bits));
app_config->save();
};
input->GetTextCtrl()->Bind(wxEVT_TEXT_ENTER, [set_draco_bits](wxCommandEvent& e) {
set_draco_bits();
e.Skip();
});
input->GetTextCtrl()->Bind(wxEVT_KILL_FOCUS, [set_draco_bits](wxFocusEvent& e) {
set_draco_bits();
e.Skip();
});
return sizer_input;
}
wxBoxSizer* PreferencesDialog::create_item_darkmode(wxString title,wxString tooltip, std::string param)
{
wxBoxSizer* m_sizer_checkbox = new wxBoxSizer(wxHORIZONTAL);
@@ -864,6 +917,15 @@ wxBoxSizer *PreferencesDialog::create_item_checkbox(wxString title, wxString too
}
}
if (param == "associate_drc") {
bool pbool = app_config->get("associate_drc") == "true" ? true : false;
if (pbool) {
wxGetApp().associate_files(L"drc");
} else {
wxGetApp().disassociate_files(L"drc");
}
}
if (param == "associate_stl") {
bool pbool = app_config->get("associate_stl") == "true" ? true : false;
if (pbool) {
@@ -1306,6 +1368,13 @@ void PreferencesDialog::create_items()
g_sizer->Add(item_pop_up_filament_map_dialog);
#endif
auto item_draco_bits = create_item_draco(_L("Quality level for Draco export"),
_L("bits"),
_L("Controls the quantization bit depth used when compressing the mesh to Draco format.\n"
"0 = lossless compression (geometry is preserved at full precision). Valid lossy values range from 8 to 30.\n"
"Lower values produce smaller files but lose more geometric detail; higher values preserve more detail at the cost of larger files."));
g_sizer->Add(item_draco_bits);
g_sizer->AddSpacer(FromDIP(10));
sizer_page->Add(g_sizer, 0, wxEXPAND);
@@ -1554,6 +1623,9 @@ void PreferencesDialog::create_items()
auto item_associate_3mf = create_item_checkbox(_L("Associate 3MF files to OrcaSlicer"), _L("If enabled, sets OrcaSlicer as default application to open 3MF files.") , "associate_3mf");
g_sizer->Add(item_associate_3mf);
auto item_associate_drc = create_item_checkbox(_L("Associate DRC files to OrcaSlicer"), _L("If enabled, sets OrcaSlicer as default application to open DRC files."), "associate_drc");
g_sizer->Add(item_associate_drc);
auto item_associate_stl = create_item_checkbox(_L("Associate STL files to OrcaSlicer"), _L("If enabled, sets OrcaSlicer as default application to open STL files.") , "associate_stl");
g_sizer->Add(item_associate_stl);