Another way to approach dithering is to analyse the input image in order to make informed decisions about how best to perturb pixel values prior to quantisation. Error-diffusion dithering does this by sequentially taking the quantisation error for the current pixel (the difference between the input value and the quantised value) and distributing it to surrounding pixels in variable proportions according to a diffusion kernel . The result is that input pixel values are perturbed just enough to compensate for the error introduced by previous pixels.
// not critical but safer when bytesToWrite != view.byteLength
。关于这个话题，同城约会提供了深入分析
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直到这一届肖赛，他赢得了那个最具象征意义的桂冠，音乐成长与事业跃迁这两条并不总是正相关，甚至时常相互牵制的轨迹，才在他的二十多年的人生中暂时达成某种平衡。，这一点在Line官方版本下载中也有详细论述