RMagick - How to crop grid image into an array of images?
The following imageMagick command will crop a sprite image into several images divided equally:
convert image.png -crop 2x3-40-20@ +repage +adjoin tile-%d.jpg
Hot do I do this with Rmagick? But instead of creating multiple files i need to return an array of images.
Managed to get it done by croping each image at a time:
def split_images #'image' is a ImageMagick Object width = image.cols/number_cols height = image.rows/nubmer_rows images =  0.upto(number_rows-1) do |x| 0.upto(number_cols-1) do |y| images << image.crop( Magick::NorthWestGravity, x*width, y*height, width, height, true) end end end