PngFilterType enumeration

The png filter type.

The PngFilterType type exposes the following members:

Field	Description
NONE	The null-filter, means no filtering for image data rows.
SUB	The sub filter, means substractive filtering will be applied to image data.
UP	The up filter, means row-by-row substraction filter will be applied.
AVG	The avg filter, means, that average filter will be applied to image data.
PAETH	The paeth predictor filter.
ADAPTIVE	Adaptive filtering, means that saving process will choose most sutable filter for each data row. Best compression, slowest execution time.