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feat(plugin): expose the slicing print-graph as raw orca.host classes + Twistify sample

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Adds PluginHostSlicing, which registers the print-graph data model (Print,
PrintObject, Layer, LayerRegion, Surface, ExPolygon, extrusions, ...) into the
orca.host submodule in the same raw-class style as PluginHostApi's Model/Preset
graph, with shared helpers in PluginBindingUtils. SlicingPipelinePluginCapability
is trimmed to the capability surface (the standalone SlicingNumpy helper is folded
away). Adds the Twistify example plugin next to Inset and broadens the binding,
hook, and plugin-install tests.
This commit is contained in:
SoftFever
2026-07-08 00:05:28 +08:00
parent aafcccc83c
commit f81a24abfb
29 changed files with 1718 additions and 962 deletions
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6
src/slic3r/GUI/PluginsDialog.cpp
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@@ -1007,9 +1007,9 @@ void PluginsDialog::run_script_plugin(const std::string& plugin_key, const std::
// ModelObject*/ModelVolume*/ModelInstance* aliases into host data and can mint ObjectIDs,
// which libslic3r requires on the main thread (ObjectID.hpp's non-atomic s_last_id). Running
// here makes those reads/instantiations legal and means nothing mutates the model underneath
// a run. The trade-off is that a slow execute() freezes the UI: the contract (see
// plugin_development.md) is to keep execute() quick and offload heavy work to the plugin's own
// threading.Thread. orca.host.ui calls already no-op their main-thread marshaling here.
// a run. The trade-off is that a slow execute() freezes the UI, so the contract is to keep
// execute() quick and offload heavy work to the plugin's own threading.Thread. orca.host.ui
// calls already no-op their main-thread marshaling here.
{
wxBusyCursor busy;
try {