// 桶内用插入排序（小数组效率高）
Under certain circumstances, it’s possible to modify ordered dithering so that it can better handle colour information. This requires that we use a palette that is regularly distributed in colour space. A regular palette is composed of all possible combinations of red, green and blue tristimulus values, where each colour component is partitioned into a number of equally spaced levels. For example, 6 levels of red, green and blue totals 6³ = 216 unique colours, equivalent to the common web-safe palette.。WPS下载最新地址是该领域的重要参考
truenas.insecure_skip_verify，详情可参考旺商聊官方下载
goal += pixel - candidate[n]