Struct Jpeg2000Channel

Namespace

Egami.Formats.Jpeg2000

Assembly

Egami.dll

One channel definition of a JP2 file (cdef).

public readonly record struct Jpeg2000Channel : IEquatable<Jpeg2000Channel>

Implements

IEquatable<Jpeg2000Channel>

Inherited Members

ValueType.Equals(object)

ValueType.GetHashCode()

ValueType.ToString()

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Examples

using Raster image = Raster.Load("photo.jp2");
var details = (Jpeg2000Details)image.Metadata.FormatDetails!;
Console.WriteLine($"{details.Container}, {(details.Reversible ? "lossless 5/3" : "lossy 9/7")}, {details.DecompositionLevels} levels");
Console.WriteLine($"{details.QualityLayers} layers in {details.ProgressionOrder} order, {details.TileCount} tiles, {details.ColorSpace}");
foreach (Jpeg2000Component component in details.Components)
{
    Console.WriteLine($"{component.Precision} bits{(component.IsSigned ? " signed" : "")}, sampled every {component.SubsamplingX}×{component.SubsamplingY}");
}

foreach (Jpeg2000Channel channel in details.Channels)
{
    Console.WriteLine($"Channel {channel.Channel}: {channel.Type} for color {channel.Association}");
}

Constructors

Jpeg2000Channel(int, Jpeg2000ChannelType, int)

One channel definition of a JP2 file (cdef).

public Jpeg2000Channel(int Channel, Jpeg2000ChannelType Type, int Association)

Parameters

Channel int

The channel's index.

Type Jpeg2000ChannelType

What the channel is.

Association int

The color the channel belongs to, counting from 1; 0 for the whole image; -1 for none.

Examples

using Raster image = Raster.Load("photo.jp2");
var details = (Jpeg2000Details)image.Metadata.FormatDetails!;
Console.WriteLine($"{details.Container}, {(details.Reversible ? "lossless 5/3" : "lossy 9/7")}, {details.DecompositionLevels} levels");
Console.WriteLine($"{details.QualityLayers} layers in {details.ProgressionOrder} order, {details.TileCount} tiles, {details.ColorSpace}");
foreach (Jpeg2000Component component in details.Components)
{
    Console.WriteLine($"{component.Precision} bits{(component.IsSigned ? " signed" : "")}, sampled every {component.SubsamplingX}×{component.SubsamplingY}");
}

foreach (Jpeg2000Channel channel in details.Channels)
{
    Console.WriteLine($"Channel {channel.Channel}: {channel.Type} for color {channel.Association}");
}

Properties

Association

The color the channel belongs to, counting from 1; 0 for the whole image; -1 for none.

public int Association { get; init; }

Property Value

int

Channel

The channel's index.

public int Channel { get; init; }

Property Value

int

Type

What the channel is.

public Jpeg2000ChannelType Type { get; init; }

Property Value

Jpeg2000ChannelType