What gem can I use to open a picture in a 2D matrix? I want to be able to read and modify each pixel individually.
I’m using Ruby 1.9.
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What gem can I use to open a picture in a 2D matrix? I want to be able to read and modify each pixel individually.
I’m using Ruby 1.9.
RMagick. Specifically you want the
Image#pixel_colormethod.There is also an
each_pixelmethod to iterate through for reading.