Red Artisan: Attachment_fu magic with Core Image and Ruby Cocoa!でタイトル通りのことが書かれていました。 require 'rubygems' require 'osx/cocoa' require 'active_support' # Copyright (c) Marcus Crafter <crafterm@redartisan.com> # class Processor def initialize(original) @original = original end def resize(width, height) create_core_image_context(width, height) scale_x, scale_y = scale(width, height) @original.affine_cl
![RubyCocoa で Core Image を使って画像を縮小 - Watsonのメモ](https://cdn-ak-scissors.b.st-hatena.com/image/square/e98808799cf8ffe0c05b05c1556e6a05bac34367/height=288;version=1;width=512/https%3A%2F%2Fcdn-ak.f.st-hatena.com%2Fimages%2Ffotolife%2FW%2FWatson%2F20081229%2F20081229183419.jpg)