Class ChannelList

Inheritance

System.Object

System.Collections.Generic.List<Channel>

ChannelList

Namespace: PhotoshopFile

Syntax

public class ChannelList : List<Channel>, IList<Channel>, ICollection<Channel>, IList, ICollection, IReadOnlyList<Channel>, IReadOnlyCollection<Channel>, IEnumerable<Channel>, IEnumerable

Constructors

ChannelList()

Declaration

public ChannelList()

Methods

ContainsId(Int32)

Declaration

public bool ContainsId(int id)

Parameters

Type	Name	Description
System.Int32	id

Returns

Type	Description
System.Boolean

GetId(Int32)

Declaration

public Channel GetId(int id)

Parameters

Type	Name	Description
System.Int32	id

Returns

Type	Description
Channel

ToIdArray()

Returns channels with nonnegative IDs as an array, so that accessing a channel by Id can be optimized into pointer arithmetic rather than being implemented as a List scan.

Declaration

public Channel[] ToIdArray()

Returns

Type	Description
Channel[]

Remarks

This optimization is crucial for blitting lots of pixels back and forth between Photoshop's per-channel representation, and Paint.NET's per-pixel BGRA representation.