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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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5
src/slic3r/GUI/GUI_App.cpp
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@@ -537,10 +537,10 @@ static const FileWildcards file_wildcards_by_type[FT_SIZE] = {
/* FT_GCODE */ { "G-code files"sv, { ".gcode"sv} },
#ifdef __APPLE__
/* FT_MODEL */
{"Supported files"sv, {".3mf"sv, ".stl"sv, ".oltp"sv, ".stp"sv, ".step"sv, ".svg"sv, ".amf"sv, ".obj"sv, ".usd"sv, ".usda"sv, ".usdc"sv, ".usdz"sv, ".abc"sv, ".ply"sv}},
{"Supported files"sv, {".3mf"sv, ".stl"sv, ".oltp"sv, ".stp"sv, ".step"sv, ".svg"sv, ".amf"sv, ".obj"sv, ".usd"sv, ".usda"sv, ".usdc"sv, ".usdz"sv, ".abc"sv, ".ply"sv, ".drc"sv}},
#else
/* FT_MODEL */
{"Supported files"sv, {".3mf"sv, ".stl"sv, ".oltp"sv, ".stp"sv, ".step"sv, ".svg"sv, ".amf"sv, ".obj"sv}},
{"Supported files"sv, {".3mf"sv, ".stl"sv, ".oltp"sv, ".stp"sv, ".step"sv, ".svg"sv, ".amf"sv, ".obj"sv, ".drc"sv}},
#endif
/* FT_ZIP */ { "ZIP files"sv, { ".zip"sv } },
/* FT_PROJECT */ { "Project files"sv, { ".3mf"sv} },
@@ -550,6 +550,7 @@ static const FileWildcards file_wildcards_by_type[FT_SIZE] = {
/* FT_SVG */ { "SVG files"sv, { ".svg"sv } },
/* FT_TEX */ { "Texture"sv, { ".png"sv, ".svg"sv } },
/* FT_SL1 */ { "Masked SLA files"sv, { ".sl1"sv, ".sl1s"sv } },
/* FT_DRC */ { "Draco files"sv, { ".drc"sv } },
};
// This function produces a Win32 file dialog file template mask to be consumed by wxWidgets on all platforms.