This README is the one indexed from the repository at its latest ref, not from the tag for this version.

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