views.h

/*
 * Copyright 2022 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 <Eigen/Core>
 
namespace lagrange {
 
 
 
template <typename Scalar>
using RowMatrix = Eigen::Matrix<Scalar, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor>;
 
template <typename Scalar>
using RowMatrixView = Eigen::Map<RowMatrix<Scalar>, Eigen::Unaligned>;
 
template <typename Scalar>
using ConstRowMatrixView = const Eigen::Map<const RowMatrix<Scalar>, Eigen::Unaligned>;
 
template <typename Scalar>
using Vector = Eigen::Matrix<Scalar, Eigen::Dynamic, 1>;
 
template <typename Scalar>
using VectorView = Eigen::Map<Vector<Scalar>, Eigen::Unaligned>;
 
template <typename Scalar>
using ConstVectorView = const Eigen::Map<const Vector<Scalar>, Eigen::Unaligned>;
 
 
template <typename ValueType>
RowMatrixView<ValueType> matrix_ref(Attribute<ValueType>& attribute);
 
template <typename ValueType>
ConstRowMatrixView<ValueType> matrix_view(const Attribute<ValueType>& attribute);
 
template <typename ValueType>
VectorView<ValueType> vector_ref(Attribute<ValueType>& attribute);
 
template <typename ValueType>
ConstVectorView<ValueType> vector_view(const Attribute<ValueType>& attribute);
 
template <typename ValueType>
RowMatrixView<ValueType> reshaped_ref(Attribute<ValueType>& attribute, size_t num_cols);
 
template <typename ValueType>
ConstRowMatrixView<ValueType> reshaped_view(const Attribute<ValueType>& attribute, size_t num_cols);
 
 
template <typename ValueType, typename Scalar, typename Index>
RowMatrixView<ValueType> attribute_matrix_ref(
    SurfaceMesh<Scalar, Index>& mesh,
    std::string_view name);
 
template <typename ValueType, typename Scalar, typename Index>
RowMatrixView<ValueType> attribute_matrix_ref(
    SurfaceMesh<Scalar, Index>& mesh,
    AttributeId id);
 
template <typename ValueType, typename Scalar, typename Index>
ConstRowMatrixView<ValueType> attribute_matrix_view(
    const SurfaceMesh<Scalar, Index>& mesh,
    std::string_view name);
 
template <typename ValueType, typename Scalar, typename Index>
ConstRowMatrixView<ValueType> attribute_matrix_view(
    const SurfaceMesh<Scalar, Index>& mesh,
    AttributeId id);
 
template <typename ValueType, typename Scalar, typename Index>
VectorView<ValueType> attribute_vector_ref(
    SurfaceMesh<Scalar, Index>& mesh,
    std::string_view name);
 
template <typename ValueType, typename Scalar, typename Index>
VectorView<ValueType> attribute_vector_ref(
    SurfaceMesh<Scalar, Index>& mesh,
    AttributeId id);
 
template <typename ValueType, typename Scalar, typename Index>
ConstVectorView<ValueType> attribute_vector_view(
    const SurfaceMesh<Scalar, Index>& mesh,
    std::string_view name);
 
template <typename ValueType, typename Scalar, typename Index>
ConstVectorView<ValueType> attribute_vector_view(
    const SurfaceMesh<Scalar, Index>& mesh,
    AttributeId id);
 
 
template <typename Scalar, typename Index>
RowMatrixView<Scalar> vertex_ref(SurfaceMesh<Scalar, Index>& mesh);
 
template <typename Scalar, typename Index>
ConstRowMatrixView<Scalar> vertex_view(const SurfaceMesh<Scalar, Index>& mesh);
 
template <typename Scalar, typename Index>
RowMatrixView<Index> facet_ref(SurfaceMesh<Scalar, Index>& mesh);
 
template <typename Scalar, typename Index>
ConstRowMatrixView<Index> facet_view(const SurfaceMesh<Scalar, Index>& mesh);
 
 
} // namespace lagrange