Add the following code to your project's shard.yml under:
to use in production
- OR -
development_dependencies to use in development
Get and modify the image dimension (width and height) of various image types.
dependencies: image_size: github: hkalexling/image_size.cr
require "image_size" # Get dimension from the path to the image file size = ImageSize.get "test.png" pp size.width pp size.height # Get dimension from binary data file = File.new "test.png" bytes = Bytes.new file.size file.read bytes file.close size = ImageSize.get bytes pp size.width pp size.height # Resize the image width to 1024. The height is automatically calculated # to keep the aspect ratio bytes = ImageSize.resize "test.png", width: 1024 File.write "test-1024.png", bytes # Resize the image height to 256. The width is automatically calculated # to keep the aspect ratio bytes = ImageSize.resize "test.png", height: 256 File.write "test-256.png", bytes # Resize the image dimension to 1024 x 1024 bytes = ImageSize.resize "test.png", width: 1024, height: 1024 File.write "test-1024-1024.png", bytes