Differential D10901 Diff 35905 source/blender/editors/space_spreadsheet/spreadsheet_data_source_geometry.hh

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source/blender/editors/space_spreadsheet/spreadsheet_data_source_geometry.hh

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				/*
				* This program is free software; you can redistribute it and/or
				* modify it under the terms of the GNU General Public License
				* as published by the Free Software Foundation; either version 2
				* of the License, or (at your option) any later version.
				*
				* This program is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with this program; if not, write to the Free Software Foundation,
				* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*/

				#pragma once

				#include <mutex>

				#include "BLI_resource_scope.hh"

				#include "BKE_geometry_set.hh"

				#include "spreadsheet_data_source.hh"

				struct bContext;

				namespace blender::ed::spreadsheet {

				class GeometryDataSource : public DataSource {
				private:
				Object *object_eval_;
				const GeometrySet geometry_set_;
				const GeometryComponent *component_;
				AttributeDomain domain_;

				/* Some data is computed on the fly only when it is requested. Computing it does not change the
				* logical state of this data source. Therefore, the corresponding methods are const and need to
				* be protected with a mutex. */
				mutable std::mutex mutex_;
				mutable ResourceScope scope_;

				public:
				GeometryDataSource(Object *object_eval,
				GeometrySet geometry_set,
				const GeometryComponentType component_type,
				const AttributeDomain domain)
				: object_eval_(object_eval),
				geometry_set_(std::move(geometry_set)),
				component_(geometry_set_.get_component_for_read(component_type)),
				domain_(domain)
				{
				}

				Object *object_eval() const
				{
				return object_eval_;
				}

				Span<int64_t> get_selected_element_indices() const;

				void foreach_default_column_ids(
				FunctionRef<void(const SpreadsheetColumnID &)> fn) const override;

				std::unique_ptr<ColumnValues> get_column_values(
				const SpreadsheetColumnID &column_id) const override;

				int tot_rows() const override;
				};

				class InstancesDataSource : public DataSource {
				const GeometrySet geometry_set_;
				const InstancesComponent *component_;

				public:
				InstancesDataSource(GeometrySet geometry_set)
				: geometry_set_(std::move(geometry_set)),
				component_(geometry_set_.get_component_for_read<InstancesComponent>())
				{
				}

				void foreach_default_column_ids(
				FunctionRef<void(const SpreadsheetColumnID &)> fn) const override;

				std::unique_ptr<ColumnValues> get_column_values(
				const SpreadsheetColumnID &column_id) const override;

				int tot_rows() const override;
				};

				std::unique_ptr<DataSource> data_source_from_geometry(const bContext C, Object object_eval);

				} // namespace blender::ed::spreadsheet