module CrImage::Format::JPEG

Overview

Provides methods to read from and write to jpeg. Requires libturbojpeg to function.

image = File.open("image.jpg") { |file| CrImage::RGBAImage.from_jpeg(file) }
File.open("other_image.jpg") { |file| image.to_jpeg(file) }

Alternatively, you can use the convenience methods in the Open and Save modules to acheive the same thing:

image = CrImage::RGBAImage.open("image.jpg")
image.save("other_image.jpg")

Direct including types

• CrImage::GrayscaleImage
• CrImage::RGBAImage

Defined in:

lib-formats/jpeg.cr

Instance Method Summary

• #to_jpeg(io : IO, quality : Int32 = 100) : Nil

  Output the image as JPEG to io

Instance Method Detail