This class enables you to apply levels correction.

Namespace: Aurigma.GraphicsMill.Transforms
Assembly: Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)

Syntax

Visual Basic

Public NotInheritable Class Levels _
	Inherits PerChannelBitmapTransform

C#

public sealed class Levels : PerChannelBitmapTransform

Remarks

Using this class you can apply a tone correction similar to Adobe® Photoshop® Levels effect. You specify Shadows, Midtones and Highlights, as well as MinimumLevel and MaximumLevel modifiers. These values works in the same way as appropriate sliders in Adobe® Photoshop®.

It also can be applied automatically. To do it, set Auto property to true.

Thread Safety

Static members of this type are safe for multi-threaded operations. Instance members of this type are safe for multi-threaded operations.

Supported Pixel Formats

Member NameDescription
Format8bppGrayScale8 bits per pixel. Grayscale. 8 bits are used for luminosity level.
Format16bppGrayScale16 bits per pixel. Grayscale. All 16 bits are used for luminosity level (extended pixel format).
Format16bppAGrayScale16 bits per pixel. Grayscale with alpha channel. 8 bits are used for alpha channel and other 8 bits are used for luminosity level.
Format32bppAGrayScale32 bits per pixel. Grayscale with alpha channel. 16 bits are used for alpha channel and other 16 bits are used for luminosity level (extended pixel format).
Format24bppRgb24 bits per pixel. RGB. 8 bits each are used for the red, green, and blue components.
Format32bppRgb32 bits per pixel. RGB. 8 bits each are used for the red, green, and blue components. The rest 8 bits are unused.
Format32bppArgb32 bits per pixel. RGB with alpha channel. 8 bits each are used for the alpha, red, green, and blue components.
Format48bppRgb48 bits per pixel. RGB. 16 bits each are used for the red, green, and blue components (extended pixel format).
Format64bppArgb64 bits per pixel. RGB with alpha channel. 16 bits each are used for the alpha, red, green, and blue components (extended pixel format).