stumpy resize

Image resize algorithms in pure crystal

Installation

1. Add the dependency to your shard.yml:

   dependencies:
     stumpy_resize:
       github: spider-gazelle/stumpy_resize
   

2. Run shards install

Usage

require "stumpy_resize"

# read
canvas = StumpyPNG.read("./path/image.png")

# resize
resized_canvas = StumpyResize.resize(canvas, 320, 320)

# blur it
burred_canvas = StumpyResize.blur(resized_canvas, 5)

# scale to fit (letter / pillar boxing if required)
fit_canvas = StumpyResize.scale_to_fit(resized_canvas, 320, 320)

# scale to cover (cropping the edges if required)
cover_canvas = StumpyResize.scale_to_cover(resized_canvas, 320, 320)

# write
StumpyPNG.write(resized_canvas, "./path/resized.png")

Contributing

1. Fork it (https://github.com/spider-gazelle/stumpy_resize/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• Stephen von Takach - creator and maintainer