{"provider_url":"https://hatena.blog","categories":["Ruby","Gem 'oekaki'"],"blog_url":"https://obelisk.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/obelisk2/","type":"rich","description":"\u81ea\u4f5c\u306e Gem 'oekaki' \u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002 oekaki | RubyGems.org | your community gem host GTK+\u3067\u304a\u7d75\u304b\u304d\u3057\u3066\u307f\u305f\uff08Ruby\uff09 - Camera Obscura oekaki_sample17.rb require 'oekaki' Width = 500 circles = [] #\u4f5c\u3063\u305f\u5186\u306e\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3066\u304a\u304f\u914d\u5217 check = ->(x, y, r) { return false if x < r or y < r or x > Width - r or y > Width - r circles.each do |x1, y1\u2026","image_url":"http://img.f.hatena.ne.jp/images/fotolife/o/obelisk2/20180123/20180123113327.png","blog_title":"Camera Obscura","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fobelisk.hatenablog.com%2Fentry%2F2018%2F01%2F23%2F121613\" title=\"GTK+ \u3067\u843d\u66f8\u304d 14\uff08Ruby\uff09 - Camera Obscura\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2018-01-23 12:16:13","title":"GTK+ \u3067\u843d\u66f8\u304d 14\uff08Ruby\uff09","url":"https://obelisk.hatenablog.com/entry/2018/01/23/121613","provider_name":"Hatena Blog","author_name":"obelisk2","height":"190","width":"100%"}