Package org.apache.commons.imaging.palette

## Interface Palette

- All Known Implementing Classes:
    `QuantizedPalette`, `SimplePalette`

      public interface Palette

  Color palette.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `int` | `getEntry​(int index)` | Looks up the color for a given palette index.
    `int` | `getPaletteIndex​(int rgb)` | Looks up the palette index for a given color.
    `int` | `length()` | The number of entries in the palette.

- - ### Method Detail

    - #### getPaletteIndex

          int getPaletteIndex​(int rgb)
                       throws ImageWriteException

      Looks up the palette index for a given color.
      Parameters:
        `rgb` - the color to look up
      Returns:
        the palette index
      Throws:
        `ImageWriteException` - if it fails to read the palette index

    - #### getEntry

          int getEntry​(int index)

      Looks up the color for a given palette index.
      Parameters:
        `index` - the palette index to look up
      Returns:
        the color in ARGB format

    - #### length

          int length()

      The number of entries in the palette.
      Returns:
        the number of palette entries