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Takes an RGB array/filename and adds a camera vignette effect.
add_vignette(...)
3-layer RGB array of the processed image.
Arguments to pass to render_title() function.
render_title()
if(run_documentation()){ #Plot the dragon plot_image(dragon) } if(run_documentation()){ #Add a vignette effect: add_vignette(dragon, preview = TRUE, vignette = 0.5) }
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