mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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61 lines
2.9 KiB
C++
61 lines
2.9 KiB
C++
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/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#ifndef HEADLESSSIDECARBUILDER_H
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#define HEADLESSSIDECARBUILDER_H
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#include "InstancedGeometry.h"
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#include "SidecarCache.h"
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#include <QObject>
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#include <QString>
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// Produces a .ifcview sidecar from an IFC file without touching the
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// ViewportWindow or any GL state. Mirrors the data path that
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// SceneLoader + ViewportWindow + ModelsPanelController.writeSidecarForModel
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// take for live loads, but does the vertex quantization and SidecarData
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// assembly entirely on the CPU.
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//
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// Threading: call ::build() from a non-GUI worker thread that has a Qt
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// event dispatcher (e.g. the thread spawned by QThread::create). build()
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// spins a local QEventLoop until the streamer's worker thread completes.
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class HeadlessSidecarBuilder : public QObject {
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Q_OBJECT
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public:
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explicit HeadlessSidecarBuilder(QObject* parent = nullptr);
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// `anchor_path` is fed to writeSidecar(), which normalises it to
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// `<stem(anchor_path)>.ifcview`. Pass either the IFC path itself
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// (sidecar lands beside it) or a temp path whose stem you control.
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bool build(const QString& ifc_path,
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const QString& anchor_path,
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int num_threads = 0);
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const QString& lastError() const { return last_error_; }
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private:
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void onMeshReady(const MeshChunk& chunk);
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void onInstanceReady(const InstanceChunk& chunk);
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SidecarData sidecar_data_;
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QString last_error_;
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};
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#endif // HEADLESSSIDECARBUILDER_H
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