Question: What does the following image processing function do ? void process ( int& blue, int& green, int& red ) { blue = 2 5 5

What does the following image processing function do?
void process(int& blue, int& green, int& red)
{
blue =255- blue;
green =255- green;
red =255- red;
}
Question 19 options:
Darkens the pixel colors by half
Lightens the pixel colors by half
Produces a photographic negative effect
Produces no changes

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