49586be475
============================================================================== In the Layers implementation there are User Layers, which have no direct impact on visualisation, and allow to group conceptually related geometry into logical entities, and Visual Layers, which define how geometries are visualised (or even whether they are visualised or not). For User Layers, SketchObject is responsible for the definition of the layers, and SketcherGeometryExtension is responsible for indicating the User Layer to which a geometry belongs (via a LayerId field). For Visual Layers, ViewProviderSketch is responsible for the definition of the visual layers, and ViewProviderSketchGeometryExtension is responsible for indicating the visual layer to which a geometry belongs. With this commit, ViewProviderSketchGeometryExtension: - takes over the responsibility of carrying a visual layer Id. - is extended to be persistent and serialise the Id. - is extended to be accesible from Python.
75 lines
3.5 KiB
C++
75 lines
3.5 KiB
C++
/***************************************************************************
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* Copyright (c) 2020 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef SKETCHER_VIEWPROVIDERSKETCHGEOMETRYEXTENSION_H
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#define SKETCHER_VIEWPROVIDERSKETCHGEOMETRYEXTENSION_H
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#include <Mod/Part/App/Geometry.h>
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#include <Mod/Sketcher/SketcherGlobal.h>
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namespace SketcherGui {
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class SketcherGuiExport ViewProviderSketchGeometryExtension : public Part::GeometryPersistenceExtension
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{
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TYPESYSTEM_HEADER_WITH_OVERRIDE();
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public:
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ViewProviderSketchGeometryExtension();
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~ViewProviderSketchGeometryExtension() override = default;
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std::unique_ptr<Part::GeometryExtension> copy() const override;
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PyObject *getPyObject() override;
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// Data Members
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// Representation factor
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// Provides a mechanism to store a factor associated with the representation of a geometry
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// This is only useful when a geometry must be scaled only for representation, while keeping its value
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// Applicability: General abstract concepts embodied in a geometry, in practice B-Spline poles.
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// Why not in SketchGeometryExtension? Because it is merely representation related. It has no place in
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// a console application.
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double getRepresentationFactor() const {return RepresentationFactor;}
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void setRepresentationFactor(double representationFactor) {RepresentationFactor = representationFactor;}
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int getVisualLayerId() const {return VisualLayerId;}
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void setVisualLayerId(int visuallayerid) {VisualLayerId = visuallayerid;}
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protected:
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void copyAttributes(Part::GeometryExtension * cpy) const override;
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void restoreAttributes(Base::XMLReader &reader) override;
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void saveAttributes(Base::Writer &writer) const override;
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private:
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ViewProviderSketchGeometryExtension(const ViewProviderSketchGeometryExtension&) = default;
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private:
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double RepresentationFactor;
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int VisualLayerId;
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};
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} //namespace SketcherGui
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#endif // SKETCHER_VIEWPROVIDERSKETCHGEOMETRYEXTENSION_H
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