triangle_uv_distortion.h

/*
 * Copyright 2023 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/DistortionMetric.h>
#include <lagrange/utils/span.h>
 
#include <cmath>
#include <type_traits>
 
namespace lagrange {

template <DistortionMetric metric, typename Scalar>
Scalar triangle_uv_distortion(
    span<const Scalar, 3> V0,
    span<const Scalar, 3> V1,
    span<const Scalar, 3> V2,
    span<const Scalar, 2> v0,
    span<const Scalar, 2> v1,
    span<const Scalar, 2> v2);

template <typename Scalar>
Scalar triangle_uv_distortion(
    span<const Scalar, 3> V0,
    span<const Scalar, 3> V1,
    span<const Scalar, 3> V2,
    span<const Scalar, 2> v0,
    span<const Scalar, 2> v1,
    span<const Scalar, 2> v2,
    DistortionMetric metric);
 
} // namespace lagrange