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com.groupdocs.signature.options.saveoptions.imagessaveoptions

Class PngFilterType

  • java.lang.Object
    • com.groupdocs.signature.options.saveoptions.imagessaveoptions.PngFilterType

  • public final class PngFilterType
extends Object

    Represents PNG image filter type.

    • Field Summary

      Fields 
      Modifier and Type Field and Description
      static int Adaptive
      Adaptive filtering, means that saving process will choose most suitable filter for each data row.
      static int Avg
      The avg filter, means, that average filter will be applied to image data.
      static int None
      The null-filter, means no filtering for image data rows.
      static int Paeth
      The path predictor filter.
      static int Sub
      The sub filter, means subtractive filtering will be applied to image data.
      static int Up
      The up filter, means row-by-row subtraction filter will be applied.

    • Field Detail

      • Adaptive

        public static final int Adaptive

        Adaptive filtering, means that saving process will choose most suitable filter for each data row. Best compression, slowest execution time.

        See Also:
        Constant Field Values

      • Avg

        public static final int Avg

        The avg filter, means, that average filter will be applied to image data.

        See Also:
        Constant Field Values

      • None

        public static final int None

        The null-filter, means no filtering for image data rows.

        See Also:
        Constant Field Values

      • Sub

        public static final int Sub

        The sub filter, means subtractive filtering will be applied to image data.

        See Also:
        Constant Field Values

      • Up

        public static final int Up

        The up filter, means row-by-row subtraction filter will be applied.

        See Also:
        Constant Field Values