Method quantize

imagequant-sys/org/pngquant/PngQuant.java:55–61

Performs quantization (chooses optimal palette for the given Image). Returned object can be used to customize remapping and reused to remap other images to the same palette. @link http://pngquant.org/lib/#liq_quantize_image @return null on failure

(Image img)

     * @return null on failure
     */
    public Result quantize(Image img) {
        try {
            return new Result(this, img);
        } catch(PngQuantException e) {
            return null;
        }
    }

    /**
     * Remapped images won't use more than given number of colors (may use less if setQuality() is used)