Jacques Lucke
19dfb6ea1f
This removes a lot of unnecessary code that is generated by the compiler automatically. In very few cases, a defaulted destructor in a .cc file is still necessary, because of forward declarations in the header. I removed some defaulted virtual destructors, because they are not necessary, when the parent class has a virtual destructor already. Defaulted constructors are only necessary when there is another constructor, but the class should still be default constructible. Differential Revision: https://developer.blender.org/D10911
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2020 Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup Alembic
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*/
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#pragma once
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#include <Alembic/Abc/OArrayProperty.h>
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#include <Alembic/Abc/OCompoundProperty.h>
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#include "BLI_map.hh"
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#include <memory>
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struct IDProperty;
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namespace blender::io::alembic {
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class ABCAbstractWriter;
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/* Write values of Custom Properties (a.k.a. ID Properties) to Alembic.
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*
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* Each Alembic Writer instance optionally has one CustomPropertiesExporter (CPE). This CPE not
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* only writes the custom properties to Alembic, but also keeps references in memory so that the
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* Alembic library doesn't prematurely finalize the data. */
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class CustomPropertiesExporter {
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private:
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/* Owner is used to get the OCompoundProperty and time sample index. The former should only be
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* requested from the Alembic library when it's actually going to be used to add custom
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* properties (otherwise an invalid Alembic file is written). */
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ABCAbstractWriter *owner_;
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/* The Compound Property that will contain the exported custom properties.
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*
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* Typically this the return value of abc_schema.getArbGeomParams() or
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* abc_schema.getUserProperties(). */
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Alembic::Abc::OCompoundProperty abc_compound_prop_;
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/* Mapping from property name in Blender to property in Alembic.
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* Here Blender does the same as other software (Maya, Houdini), and writes
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* scalar properties as single-element arrays. */
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Map<std::string, Alembic::Abc::OArrayProperty> abc_properties_;
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public:
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CustomPropertiesExporter(ABCAbstractWriter *owner);
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virtual ~CustomPropertiesExporter() = default;
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void write_all(const IDProperty *group);
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private:
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void write(const IDProperty *id_property);
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void write_array(const IDProperty *id_property);
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/* IDProperty arrays are used to store arrays-of-arrays or arrays-of-strings. */
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void write_idparray(const IDProperty *idp_array);
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void write_idparray_of_strings(const IDProperty *idp_array);
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void write_idparray_of_numbers(const IDProperty *idp_array);
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/* Flatten an array-of-arrays into one long array, then write that.
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* It is tempting to write an array of NxM numbers as a matrix, but there is
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* no guarantee that the data actually represents a matrix. */
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template<typename ABCPropertyType, typename BlenderValueType>
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void write_idparray_flattened_typed(const IDProperty *idp_array);
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/* Write a single scalar (i.e. non-array) property as single-value array. */
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template<typename ABCPropertyType, typename BlenderValueType>
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void set_scalar_property(StringRef property_name, const BlenderValueType property_value);
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template<typename ABCPropertyType, typename BlenderValueType>
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void set_array_property(StringRef property_name,
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const BlenderValueType *array_values,
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size_t num_array_items);
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template<typename ABCPropertyType>
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Alembic::Abc::OArrayProperty create_abc_property(StringRef property_name);
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};
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} // namespace blender::io::alembic
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