Program Listing for File ImageBatchData.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed 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 CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef NVCV_IMAGEBATCHDATA_HPP
#define NVCV_IMAGEBATCHDATA_HPP

#include "ImageBatchData.h"
#include "ImageData.hpp"
#include "ImageFormat.hpp"
#include "Optional.hpp"
#include "detail/CudaFwd.h"

namespace nvcv {

class ImageBatchData
{
public:
    template<typename Derived>
    Optional<Derived> cast() const;

    static constexpr bool IsCompatibleKind(NVCVImageBatchBufferType type)
    {
        return type != NVCV_IMAGE_BATCH_BUFFER_NONE;
    }

    ImageBatchData() = default;

    ImageBatchData(const NVCVImageBatchData &data)
        : m_data(data)
    {
    }

    const NVCVImageBatchData &cdata() const &;

    NVCVImageBatchData cdata() &&;

    int32_t numImages() const;

protected:
    NVCVImageBatchData &data() &;

private:
    NVCVImageBatchData m_data{};
};

class ImageBatchVarShapeData : public ImageBatchData
{
public:
    using ImageBatchData::ImageBatchData;

    explicit ImageBatchVarShapeData(const NVCVImageBatchData &data);

    const NVCVImageFormat *formatList() const;

    const NVCVImageFormat *hostFormatList() const;

    Size2D maxSize() const;

    ImageFormat uniqueFormat() const;

    static constexpr bool IsCompatibleKind(NVCVImageBatchBufferType type)
    {
        return type == NVCV_IMAGE_BATCH_VARSHAPE_BUFFER_STRIDED_CUDA;
    }
};

class ImageBatchVarShapeDataStrided : public ImageBatchVarShapeData
{
public:
    using ImageBatchVarShapeData::ImageBatchVarShapeData;

    explicit ImageBatchVarShapeDataStrided(const NVCVImageBatchData &data);

    const NVCVImageBufferStrided *imageList() const;
};

class ImageBatchVarShapeDataStridedCuda : public ImageBatchVarShapeDataStrided
{
public:
    using Buffer = NVCVImageBatchVarShapeBufferStrided;

    using ImageBatchVarShapeDataStrided::ImageBatchVarShapeDataStrided;

    explicit ImageBatchVarShapeDataStridedCuda(int32_t numImages, const Buffer &buffer);

    explicit ImageBatchVarShapeDataStridedCuda(const NVCVImageBatchData &data);
};

} // namespace nvcv

#include "detail/ImageBatchDataImpl.hpp"

#endif // NVCV_IMAGEBATCHDATA_HPP