frame_deflate_codec.h

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// BSD 3-Clause License
// Copyright (c) 2021-2025, 🍀☀🌕🌥 🌊
// See the LICENSE file in the project root for full license information.
 
#ifndef PACS_ENCODING_COMPRESSION_FRAME_DEFLATE_CODEC_HPP
#define PACS_ENCODING_COMPRESSION_FRAME_DEFLATE_CODEC_HPP
 
#include "kcenon/pacs/encoding/compression/compression_codec.h"
 
namespace kcenon::pacs::encoding::compression {
 
class frame_deflate_codec final : public compression_codec {
public:
    static constexpr std::string_view kTransferSyntaxUID =
        "1.2.840.10008.1.2.11";
 
    static constexpr int kDefaultCompressionLevel = 6;
 
    static constexpr int kMinCompressionLevel = 1;
 
    static constexpr int kMaxCompressionLevel = 9;
 
    explicit frame_deflate_codec(
        int compression_level = kDefaultCompressionLevel);
 
    ~frame_deflate_codec() override;
 
    // Non-copyable but movable
    frame_deflate_codec(const frame_deflate_codec&) = delete;
    frame_deflate_codec& operator=(const frame_deflate_codec&) = delete;
    frame_deflate_codec(frame_deflate_codec&&) noexcept;
    frame_deflate_codec& operator=(frame_deflate_codec&&) noexcept;
 
 
    [[nodiscard]] std::string_view transfer_syntax_uid() const noexcept override;
    [[nodiscard]] std::string_view name() const noexcept override;
    [[nodiscard]] bool is_lossy() const noexcept override;
    [[nodiscard]] bool can_encode(const image_params& params) const noexcept override;
    [[nodiscard]] bool can_decode(const image_params& params) const noexcept override;
 
 
 
    [[nodiscard]] int compression_level() const noexcept;
 
 
 
    [[nodiscard]] codec_result encode(
        std::span<const uint8_t> pixel_data,
        const image_params& params,
        const compression_options& options = {}) const override;
 
    [[nodiscard]] codec_result decode(
        std::span<const uint8_t> compressed_data,
        const image_params& params) const override;
 
 
private:
    int compression_level_;
};
 
}  // namespace kcenon::pacs::encoding::compression
 
#endif  // PACS_ENCODING_COMPRESSION_FRAME_DEFLATE_CODEC_HPP