Class PngConstants


  • public final class PngConstants
    extends Object
    • Field Detail

      • COMPRESSION_DEFLATE_INFLATE

        public static final int COMPRESSION_DEFLATE_INFLATE
        See Also:
        Constant Field Values
      • COMPRESSION_TYPE_INFLATE_DEFLATE

        public static final byte COMPRESSION_TYPE_INFLATE_DEFLATE
        See Also:
        Constant Field Values
      • FILTER_METHOD_ADAPTIVE

        public static final byte FILTER_METHOD_ADAPTIVE
        See Also:
        Constant Field Values
      • PARAM_KEY_PNG_TEXT_CHUNKS

        public static final String PARAM_KEY_PNG_TEXT_CHUNKS
        Parameter key.

        Only used when writing Png images.

        Valid values: a list of WriteTexts.

        See Also:
        Constant Field Values
      • PARAM_KEY_PHYSICAL_SCALE

        public static final String PARAM_KEY_PHYSICAL_SCALE
        Parameter key. Used in write operations to indicate the Physical Scale - sCAL.

        Valid values: PhysicalScale

        See Also:
        PhysicalScale, Constant Field Values
      • PARAM_KEY_PNG_COMPRESSION_LEVEL

        public static final String PARAM_KEY_PNG_COMPRESSION_LEVEL
        Parameter key. Used to indicate the PNG compression level to be used.

        For valid values, see Deflater. If no value is specified, it will use the default compression level.

        See Also:
        Deflater, Constant Field Values