GrapeCity.Documents.Imaging.Skia.PngFilterFlags
PngFilterFlags Enum
Row filters to use when encoding a PNG.
Namespace: GrapeCity.Documents.Imaging.Skia
Assembly: DS.Documents.Imaging.Skia.dll
Syntax
[Flags]
public enum PngFilterFlags<Flags>
Public Enum PngFilterFlagsFields
| Name | Description |
|---|---|
| AllFilters | Try all the filters. |
| Average | Use the average of the two neighboring pixels (left and above) to predict the value of a pixel. |
| NoFilters | Do not use any filters. |
| None | Transmit unmodified. |
| Paeth | Compute a simple linear function of the three neighboring pixels (left, above, upper left), then chooses as predictor the neighboring pixel closest to the computed value. |
| Sub | Transmit the difference between each byte and the value of the corresponding byte of the prior pixel. |
| Up | Transmit the difference between each byte and the value of the corresponding byte of the pixel above. |