filter_attributes.h

/*
 * Copyright 2024 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
#pragma once
 
#include <lagrange/SurfaceMesh.h>
#include <lagrange/utils/BitField.h>
 
#include <optional>
#include <string>
#include <variant>
#include <vector>
 
namespace lagrange {
 
 
struct AttributeFilter
{
    using AttributeNameOrId = std::variant<AttributeId, std::string>;
 
    std::optional<std::vector<AttributeNameOrId>> included_attributes;
 
    std::optional<std::vector<AttributeNameOrId>> excluded_attributes;
 
    BitField<AttributeUsage> included_usages = BitField<AttributeUsage>::all();
 
    BitField<AttributeElement> included_element_types = BitField<AttributeElement>::all();
 
    std::vector<AttributeFilter> or_filters;
 
    std::vector<AttributeFilter> and_filters;
};
 
template <typename Scalar, typename Index>
std::vector<AttributeId> filtered_attribute_ids(
    const SurfaceMesh<Scalar, Index>& mesh,
    const AttributeFilter& options);
 
template <typename Scalar, typename Index>
SurfaceMesh<Scalar, Index> filter_attributes(
    SurfaceMesh<Scalar, Index> source_mesh,
    const AttributeFilter& options = {});
 
 
} // namespace lagrange