Class DecodedImage

Image decoded to 8-bit RGBA pixels, row by row from the top.

Inheritance
object
DecodedImage
Implements
Inherited Members
Namespace: Uniform.Chat.Terminal.Ui.Images
Assembly: Uniform.Chat.dll
Syntax
public sealed record DecodedImage : IEquatable<DecodedImage>

Constructors

| Edit this page View Source

DecodedImage(int, int, byte[])

Image decoded to 8-bit RGBA pixels, row by row from the top.

Declaration
public DecodedImage(int Width, int Height, byte[] Rgba)
Parameters
Type Name Description
int Width

Width in pixels.
int Height

Height in pixels.
byte[] Rgba

Four bytes per pixel.

Fields

| Edit this page View Source

MaxDimension

Largest dimension accepted, to bound memory for hostile or huge images.

Declaration
public const int MaxDimension = 8192
Field Value
Type Description
int

Properties

| Edit this page View Source

Height

Height in pixels.

Declaration
public int Height { get; init; }
Property Value
Type Description
int
| Edit this page View Source

Rgba

Four bytes per pixel.

Declaration
public byte[] Rgba { get; init; }
Property Value
Type Description
byte[]
| Edit this page View Source

Width

Width in pixels.

Declaration
public int Width { get; init; }
Property Value
Type Description
int

Methods

| Edit this page View Source

Downscale(int)

Return a copy no larger than maxDimension on either side, using nearest-neighbor sampling; return itself when already small enough.

Declaration
public DecodedImage Downscale(int maxDimension)
Parameters
Type Name Description
int maxDimension
Returns
Type Description
DecodedImage
| Edit this page View Source

GetPixel(int, int)

Return the pixel at (x, y) as red, green, blue and alpha.

Declaration
public (byte R, byte G, byte B, byte A) GetPixel(int x, int y)
Parameters
Type Name Description
int x
int y
Returns
Type Description
(byte R, byte G, byte B, byte A)
| Edit this page View Source

ToColors()

Convert to the [x, y] color array of Terminal.Gui.Views.ImageView.

Declaration
public Color[,] ToColors()
Returns
Type Description
Color[,]
| Edit this page View Source

TryDecode(byte[])

Decode PNG, JPEG, GIF (first frame), BMP, TGA or PSD; return null for other or broken data.

Declaration
public static DecodedImage? TryDecode(byte[] data)
Parameters
Type Name Description
byte[] data
Returns
Type Description
DecodedImage

Implements