Constructor Detail

• ColorEncoder

  public ColorEncoder()

Method Detail

• unpremult

  public static final Color[] unpremult​(Color[] color,
                                        float[] alpha)

  Undoes the premultiplication of the specified color array. The original colors are not modified.

  Parameters:

  color - an array of premultiplied colors

  alpha - alpha values corresponding to the colors

  Returns:

  an array of unpremultiplied colors

• unlinearize

  public static final Color[] unlinearize​(Color[] color)

  Moves the colors in the specified array to non-linear space. The original colors are not modified.

  Parameters:

  color - an array of colors in linear space

  Returns:

  a new array of the same colors in non-linear space

• quantizeRGB8

  public static final byte[] quantizeRGB8​(Color[] color)

  Quantize the specified colors to 8-bit RGB format. The returned array contains 3 bytes for each color in the original array.

  Parameters:

  color - array of colors to quantize

  Returns:

  array of quantized RGB values

• quantizeRGBA8

  public static final byte[] quantizeRGBA8​(Color[] color,
                                           float[] alpha)

  Quantize the specified colors to 8-bit RGBA format. The returned array contains 4 bytes for each color in the original array.

  Parameters:

  color - array of colors to quantize

  alpha - array of alpha values (same length as color)

  Returns:

  array of quantized RGBA values

• encodeRGBE

  public static final int[] encodeRGBE​(Color[] color)

  Encode the specified colors using Ward's RGBE technique. The returned array contains one int for each color in the original array.

  Parameters:

  color - array of colors to encode

  Returns:

  array of encoded colors