Table of Contents

Class PngOptions

Namespace
Aspose.Imaging.ImageOptions
Assembly
Aspose.Imaging.dll

Create high-quality Portable Network Graphics (PNG) raster images effortlessly with our API, offering customizable options for compression levels, bits per pixel depths, and alpha bits. Seamlessly process XMP metadata containers, ensuring comprehensive image metadata management, and empowering you to tailor PNG images to your exact specifications with ease.

public class PngOptions : ImageOptionsBase, IDisposable, IHasXmpData, IHasMetadata
Inheritance
PngOptions
Implements
Derived
Inherited Members

Constructors

PngOptions()

Initializes a new instance of the PngOptions class.

public PngOptions()

PngOptions(PngOptions)

Initializes a new instance of the PngOptions class.

public PngOptions(PngOptions pngOptions)

Parameters

pngOptions PngOptions

The PNG options.

Fields

DefaultCompressionLevel

The default compression level.

public const int DefaultCompressionLevel = 6

Field Value

int

Properties

BitDepth

Gets or sets the bit depth values in range of 1, 2, 4, 8, 16.

Mind the next limits:

Grayscale, IndexedColor support bit depth of 1, 2, 4, 8.

GrayscaleWithAlpha supports bit depth of 8.

Truecolor, TruecolorWithAlpha support bit depth of 8, 16. 

public byte BitDepth { get; set; }

Property Value

byte

ColorType

Gets or sets the type of the color.

public PngColorType ColorType { get; set; }

Property Value

PngColorType

The type of the color.

CompressionLevel

Gets or sets the PngImage compression level in the range of 0-9. The higher the value - the more efficient the compression.

public int CompressionLevel { get; set; }

Property Value

int

FilterType

Gets or sets the filter type used during png file save process.

public PngFilterType FilterType { get; set; }

Property Value

PngFilterType

Progressive

Gets or sets a value indicating whether a PngImage is progressive.

public bool Progressive { get; set; }

Property Value

bool

true if progressive; otherwise, false.