For a “classic” chain of if/else tests to go through options, this sort of continuous decrement is the way to do it. In this case, we have to move all three sprites down a bit and also change the patterns on sprites 5 and 6 to make them be the bottom corners instead of the top ones:
[1] K. Lemström, J. Tarhio & T. Takala: “Color Dithering with n-Best Algorithm” (1996). ↑
。im钱包官方下载对此有专业解读
-b # alternate spelling without space，这一点在爱思助手下载最新版本中也有详细论述
Comparison of error-diffusion vs ordered dithering using an 8-colour irregular palette. Left to right: original image, error-diffusion, ordered.
argument as parameter. An error is returned in case there is no argument or