我正在做一个项目，我必须在其中否定PPM文件(图像)的像素。我这样实现了否定函数:publicPPMImagenegate(){RGB[]negated=newRGB[pixels.length];System.arraycopy(pixels,0,negated,0,pixels.length);RGB[]negatedArr=Arrays.stream(negated).parallel().map(rgb->rgb.neg(maxColorVal)).toArray(size->newRGB[size]);returnnewPPMImage(width,height,maxCol