I've tried SetPixel method but couldn't find how to write pixel by pixel in grayscale with 10-bit values(0~1023). Thanks @pixels = $image->GetPixel(x=>1,y=>1); $pixels[0]*=0.5; $image->SetPixel(x=>1,y=>1,color=>\@pixels); # this is color information $image->Quantize(colorspace=>'gray');

In reply to Re^2: create PNG image by advix
in thread create PNG image by advix

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