ladybird/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.h

/*
 * Copyright (c) 2024, Nico Weber <thakis@chromium.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include "Boxes.h"

namespace Gfx::ISOBMFF {

struct JPEG2000HeaderBox final : public SuperBox {
    BOX_SUBTYPE(JPEG2000HeaderBox);
};

// I.5.3.1 Image Header box
struct JPEG2000ImageHeaderBox final : public Box {
    BOX_SUBTYPE(JPEG2000ImageHeaderBox);

    u32 height { 0 };
    u32 width { 0 };
    u16 num_components { 0 };
    u8 bits_per_component { 0 };
    u8 compression_type { 0 };
    u8 is_colorspace_unknown { 0 };
    u8 contains_intellectual_property_rights { 0 };
};

// I.5.3.3 Colour Specification box
struct JPEG2000ColorSpecificationBox final : public Box {
    BOX_SUBTYPE(JPEG2000ColorSpecificationBox);

    u8 method { 0 };
    i8 precedence { 0 };
    u8 approximation { 0 };
    u32 enumerated_color_space { 0 }; // Only set if method == 1
    ByteBuffer icc_data;              // Only set if method == 2
};

// I.5.3.6 Channel Definition box
struct JPEG2000ChannelDefinitionBox final : public Box {
    BOX_SUBTYPE(JPEG2000ChannelDefinitionBox);

    struct Channel {
        u16 channel_index;
        u16 channel_type;
        u16 channel_association;
    };
    Vector<Channel> channels;
};

// I.5.3.7 Resolution box
struct JPEG2000ResolutionBox final : public SuperBox {
    BOX_SUBTYPE(JPEG2000ResolutionBox);
};

struct JPEG2000ResolutionSubboxBase : public Box {
    ErrorOr<void> read_from_stream(BoxStream&);
    virtual void dump(String const& prepend) const override;

    u16 vertical_capture_grid_resolution_numerator { 0 };
    u16 vertical_capture_grid_resolution_denominator { 0 };
    u16 horizontal_capture_grid_resolution_numerator { 0 };
    u16 horizontal_capture_grid_resolution_denominator { 0 };
    i8 vertical_capture_grid_resolution_exponent { 0 };
    i8 horizontal_capture_grid_resolution_exponent { 0 };
};

// I.5.3.7.1 Capture Resolution box
struct JPEG2000CaptureResolutionBox final : public JPEG2000ResolutionSubboxBase {
    BOX_SUBTYPE(JPEG2000CaptureResolutionBox);
};

// I.5.3.7.2 Default Display Resolution box
struct JPEG2000DefaultDisplayResolutionBox final : public JPEG2000ResolutionSubboxBase {
    BOX_SUBTYPE(JPEG2000DefaultDisplayResolutionBox);
};

// I.5.4 Contiguous Codestream box
struct JPEG2000ContiguousCodestreamBox final : public Box {
    BOX_SUBTYPE(JPEG2000ContiguousCodestreamBox);

    ByteBuffer codestream;
};

struct JPEG2000SignatureBox final : public Box {
    BOX_SUBTYPE(JPEG2000SignatureBox);

    u32 signature { 0 };
};

// I.7.3 UUID Info boxes (superbox)
struct JPEG2000UUIDInfoBox final : public SuperBox {
    BOX_SUBTYPE(JPEG2000UUIDInfoBox);
};

// I.7.3.1 UUID List box
struct JPEG2000UUIDListBox final : public Box {
    BOX_SUBTYPE(JPEG2000UUIDListBox);

    Vector<Array<u8, 16>> uuids;
};

// I.7.3.2 Data Entry URL box
struct JPEG2000URLBox final : public Box {
    BOX_SUBTYPE(JPEG2000URLBox);

    ErrorOr<String> url_as_string() const;

    u8 version_number;
    u32 flag;
    ByteBuffer url_bytes;
};

}