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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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21
src/libslic3r/Config.hpp
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@@ -2444,10 +2444,13 @@ public:
// "serialized" - vector valued option is entered in a single edit field. Values are separated by a semicolon.
// "show_value" - even if enum_values / enum_labels are set, still display the value, not the enum label.
std::string gui_flags;
// Optional plugin type used by GUIType::plugin_picker for filtering plugins.
// Capability type of a plugin-backed option, e.g. "post-processing" / "slicing-pipeline" /
// "printer-connection" (empty for ordinary options). GUIType::plugin_picker filters the plugin
// list by it, and it resolves the option's "plugins" manifest reference; see is_plugin_backed().
std::string plugin_type;
// Indicate whether the option support plugin.
bool support_plugin { false };
// Whether this option holds plugin capability name(s) that feed the "plugins" manifest -- true
// iff it declares a plugin_type. Setting plugin_type is the only step needed to add one.
bool is_plugin_backed() const { return !plugin_type.empty(); }
// Label of the GUI input field.
// In case the GUI input fields are grouped in some views, the label defines a short label of a grouped value,
// while full_label contains a label of a stand-alone field.
@@ -2761,6 +2764,13 @@ public:
//BBS: add json support
void save_to_json(const std::string &file, const std::string &name, const std::string &from, const std::string &version) const;
// Rebuild the in-memory "plugins" manifest (the "name;uuid;capability" references the plugin
// dispatchers consume) from the plugin-backed options via the registered resolver. save_to_json()
// derives the same manifest, but only when a preset is written to disk; a config assembled in
// memory for the backend (PresetBundle::full_config -> Print::apply) must refresh it here or a
// picked-but-unsaved plugin never resolves at slice/export time. No-op without a resolver.
void update_plugin_manifest();
// Set all the nullable values to nils.
void null_nullables();
@@ -2770,6 +2780,11 @@ private:
// Set a configuration value from a string.
bool set_deserialize_raw(const t_config_option_key& opt_key_src, const std::string& value, ConfigSubstitutionContext& substitutions, bool append);
void save_plugin_collection(const std::string& opt_key, const ConfigOption* opt, std::vector<std::string>& plugin_refs) const;
// Collect the de-duplicated "name;uuid;capability" plugin references derived from this config's
// plugin-backed options via the resolver. Shared by save_to_json (serializes them into the JSON
// manifest) and update_plugin_manifest (writes them back into the "plugins" option). Order is
// preserved and empties are dropped; returns empty without a resolver (CLI/headless).
std::vector<std::string> collect_plugin_manifest() const;
static std::function<std::string(std::string, std::string)> resolve_capability_fn;
};