Class PngDecoder
Decoder for generating an image out of a png encoded stream.
Implements
Inherited Members
Namespace: SixLabors.ImageSharp.Formats.Png
Assembly: SixLabors.ImageSharp.dll
Syntax
public sealed class PngDecoder : ImageDecoder, IImageDecoderProperties
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Instance
Gets the shared instance.
Declaration
public static PngDecoder Instance { get; }Property Value
| Type | Description |
|---|---|
| PngDecoder |
Methods
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Decode(DecoderOptions, Stream, CancellationToken)
Decodes the image from the specified stream to an Image.
Declaration
protected override Image Decode(DecoderOptions options, Stream stream, CancellationToken cancellationToken)Parameters
| Type | Name | Description |
|---|---|---|
| DecoderOptions | options | The general decoder options. |
| Stream | stream | The |
| CancellationToken | cancellationToken | The token to monitor for cancellation requests. |
Returns
| Type | Description |
|---|---|
| Image | The Image. |
Overrides
Remarks
This method is designed to support the ImageSharp internal infrastructure and is not recommended for direct use.
Exceptions
| Type | Condition |
|---|---|
| ImageFormatException | Thrown if the encoded image contains errors. |
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Decode<TPixel>(DecoderOptions, Stream, CancellationToken)
Decodes the image from the specified stream to an Image<TPixel> of a specific pixel type.
Declaration
protected override Image<TPixel> Decode<TPixel>(DecoderOptions options, Stream stream, CancellationToken cancellationToken)
where TPixel : struct, IPixel<TPixel>Parameters
| Type | Name | Description |
|---|---|---|
| DecoderOptions | options | The general decoder options. |
| Stream | stream | The |
| CancellationToken | cancellationToken | The token to monitor for cancellation requests. |
Returns
| Type | Description |
|---|---|
| Image<TPixel> | The Image<TPixel>. |
Type Parameters
| Name | Description |
|---|---|
| TPixel | The pixel format. |
Overrides
Remarks
This method is designed to support the ImageSharp internal infrastructure and is not recommended for direct use.
Exceptions
| Type | Condition |
|---|---|
| ImageFormatException | Thrown if the encoded image contains errors. |
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Identify(DecoderOptions, Stream, CancellationToken)
Reads the raw image information from the specified stream.
Declaration
protected override ImageInfo Identify(DecoderOptions options, Stream stream, CancellationToken cancellationToken)Parameters
| Type | Name | Description |
|---|---|---|
| DecoderOptions | options | The general decoder options. |
| Stream | stream | The |
| CancellationToken | cancellationToken | The token to monitor for cancellation requests. |
Returns
| Type | Description |
|---|---|
| ImageInfo | The ImageInfo object. |
Overrides
Remarks
This method is designed to support the ImageSharp internal infrastructure and is not recommended for direct use.
Exceptions
| Type | Condition |
|---|---|
| ImageFormatException | Thrown if the encoded image contains errors. |
