Extent all images to the width of the image with maximal width.
images.same.width(images, background_color = "white")
a vector/stack of magick images, all with the same width.
a vector/stack of magick images. See magick::image_blank
or other methods to get one.
hex color string, the background color to use if the images have different sizes and one needs to be extended. Do not use color names like 'gray', which differ between R and magick.